./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/max.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_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/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_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/max.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/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_3a280d5e-b141-4476-a7cb-700e978b7e66/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 97795e7b99ddd869ecccb7f865206a167342b52333873684a94abd35acf6650e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:06:08,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:06:08,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 12:06:08,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:06:08,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:06:09,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:06:09,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:06:09,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:06:09,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:06:09,027 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:06:09,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:06:09,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:06:09,028 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:06:09,031 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 12:06:09,031 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 12:06:09,032 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 12:06:09,032 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 12:06:09,033 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 12:06:09,033 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 12:06:09,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:06:09,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 12:06:09,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:06:09,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:06:09,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:06:09,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:06:09,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 12:06:09,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 12:06:09,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 12:06:09,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:06:09,038 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:06:09,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:06:09,040 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 12:06:09,040 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:06:09,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:06:09,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:06:09,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:06:09,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:06:09,042 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 12:06:09,042 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_3a280d5e-b141-4476-a7cb-700e978b7e66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97795e7b99ddd869ecccb7f865206a167342b52333873684a94abd35acf6650e [2023-11-26 12:06:09,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:06:09,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:06:09,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:06:09,374 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:06:09,375 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:06:09,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/reducercommutativity/max.i [2023-11-26 12:06:12,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:06:12,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:06:12,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/sv-benchmarks/c/reducercommutativity/max.i [2023-11-26 12:06:12,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/data/46ffee526/34a5509337e44747aef2b088b52fdad3/FLAGb33e3288b [2023-11-26 12:06:12,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/data/46ffee526/34a5509337e44747aef2b088b52fdad3 [2023-11-26 12:06:12,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:06:12,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:06:12,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:12,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:06:12,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:06:12,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:12" (1/1) ... [2023-11-26 12:06:12,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a45dfc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:12, skipping insertion in model container [2023-11-26 12:06:12,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:12" (1/1) ... [2023-11-26 12:06:12,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:06:13,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:13,109 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:06:13,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:13,150 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:06:13,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13 WrapperNode [2023-11-26 12:06:13,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:13,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:13,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:06:13,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:06:13,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,197 INFO L138 Inliner]: procedures = 16, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2023-11-26 12:06:13,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:13,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:06:13,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:06:13,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:06:13,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,228 INFO L175 MemorySlicer]: Split 22 memory accesses to 3 slices as follows [2, 6, 14]. 64 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0]. The 4 writes are split as follows [0, 0, 4]. [2023-11-26 12:06:13,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:06:13,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:06:13,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:06:13,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:06:13,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (1/1) ... [2023-11-26 12:06:13,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:13,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:13,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:13,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 12:06:13,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:06:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:06:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:06:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:06:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:06:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:06:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:06:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:06:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:06:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:06:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:06:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:06:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:06:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:06:13,503 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:06:13,507 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:06:13,888 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:06:13,921 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:06:13,922 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 12:06:13,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:13 BoogieIcfgContainer [2023-11-26 12:06:13,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:06:13,925 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 12:06:13,925 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 12:06:13,933 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 12:06:13,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:06:13,937 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 12:06:12" (1/3) ... [2023-11-26 12:06:13,938 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65e74db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:06:13, skipping insertion in model container [2023-11-26 12:06:13,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:06:13,938 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:13" (2/3) ... [2023-11-26 12:06:13,939 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65e74db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:06:13, skipping insertion in model container [2023-11-26 12:06:13,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:06:13,940 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:13" (3/3) ... [2023-11-26 12:06:13,941 INFO L332 chiAutomizerObserver]: Analyzing ICFG max.i [2023-11-26 12:06:14,002 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 12:06:14,002 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 12:06:14,003 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 12:06:14,003 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 12:06:14,003 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 12:06:14,003 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 12:06:14,003 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 12:06:14,004 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 12:06:14,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 31 states have internal predecessors, (45), 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 12:06:14,029 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2023-11-26 12:06:14,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:14,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:14,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 12:06:14,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:14,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 12:06:14,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 31 states have internal predecessors, (45), 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 12:06:14,044 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2023-11-26 12:06:14,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:14,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:14,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 12:06:14,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:14,055 INFO L748 eck$LassoCheckResult]: Stem: 30#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9#L31true assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 17#L22-3true [2023-11-26 12:06:14,056 INFO L750 eck$LassoCheckResult]: Loop: 17#L22-3true assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 15#L23true assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 29#L23-2true max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 12#L22-2true max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 17#L22-3true [2023-11-26 12:06:14,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-11-26 12:06:14,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:14,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666409241] [2023-11-26 12:06:14,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:14,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:14,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:14,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:14,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:14,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1326822, now seen corresponding path program 1 times [2023-11-26 12:06:14,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:14,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526475245] [2023-11-26 12:06:14,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:14,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:14,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:14,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:14,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:14,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1805089543, now seen corresponding path program 1 times [2023-11-26 12:06:14,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:14,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005325326] [2023-11-26 12:06:14,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:14,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:14,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:15,099 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:06:15,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:06:15,101 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:06:15,101 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:06:15,101 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:06:15,101 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:15,102 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:06:15,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:06:15,103 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration1_Lasso [2023-11-26 12:06:15,103 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:06:15,103 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:06:15,126 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 12:06:15,138 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 12:06:15,141 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 12:06:15,143 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 12:06:15,245 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 12:06:15,601 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 12:06:15,604 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 12:06:15,608 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 12:06:15,611 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 12:06:15,614 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 12:06:15,618 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 12:06:15,622 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 12:06:15,626 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 12:06:15,630 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 12:06:15,642 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 12:06:15,645 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 12:06:15,648 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 12:06:15,650 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 12:06:15,652 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 12:06:15,656 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 12:06:15,658 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 12:06:15,662 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 12:06:15,667 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 12:06:15,669 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 12:06:15,672 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 12:06:16,204 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:06:16,209 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:06:16,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,230 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 12:06:16,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 12:06:16,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:16,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:16,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:16,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,274 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 12:06:16,279 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 12:06:16,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:16,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:16,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:16,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,320 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 12:06:16,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 12:06:16,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:16,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:16,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:16,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,358 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 12:06:16,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:16,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:16,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:16,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,412 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,417 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 12:06:16,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 12:06:16,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:16,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:16,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,454 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,463 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 12:06:16,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 12:06:16,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:16,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:16,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,501 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,510 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 12:06:16,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 12:06:16,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:16,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:16,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,547 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 12:06:16,558 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 12:06:16,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:16,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:16,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,593 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,602 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 12:06:16,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 12:06:16,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:16,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:16,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,655 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,663 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 12:06:16,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 12:06:16,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:16,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:16,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:16,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,702 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 12:06:16,713 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 12:06:16,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:16,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:16,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:16,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:16,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:16,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:16,760 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:06:16,803 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-26 12:06:16,803 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-26 12:06:16,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:16,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,855 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,862 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:06:16,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 12:06:16,896 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 12:06:16,896 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:06:16,897 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1) = -4*ULTIMATE.start_max_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_max_~x#1.offset >= 0] [2023-11-26 12:06:16,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:16,936 INFO L156 tatePredicateManager]: 7 out of 9 supporting invariants were superfluous and have been removed [2023-11-26 12:06:16,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated [2023-11-26 12:06:16,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:17,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:17,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:17,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:06:17,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:17,116 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 12:06:17,153 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 12:06:17,161 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 32 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 31 states have internal predecessors, (45), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:17,276 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 32 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 31 states have internal predecessors, (45), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 93 transitions. Complement of second has 8 states. [2023-11-26 12:06:17,278 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 12:06:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2023-11-26 12:06:17,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-26 12:06:17,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:17,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-26 12:06:17,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:17,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 3 letters. Loop has 8 letters. [2023-11-26 12:06:17,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:17,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 93 transitions. [2023-11-26 12:06:17,293 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:17,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 23 states and 32 transitions. [2023-11-26 12:06:17,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-26 12:06:17,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-26 12:06:17,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2023-11-26 12:06:17,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:06:17,300 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2023-11-26 12:06:17,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2023-11-26 12:06:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-26 12:06:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 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 12:06:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2023-11-26 12:06:17,326 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2023-11-26 12:06:17,326 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2023-11-26 12:06:17,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 12:06:17,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2023-11-26 12:06:17,327 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:17,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:17,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:17,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 12:06:17,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:17,328 INFO L748 eck$LassoCheckResult]: Stem: 210#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 201#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 202#L22-3 assume !(max_~i~0#1 < ~N~0); 204#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 200#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 197#L22-8 [2023-11-26 12:06:17,329 INFO L750 eck$LassoCheckResult]: Loop: 197#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 199#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 190#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 191#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 197#L22-8 [2023-11-26 12:06:17,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash 889511083, now seen corresponding path program 1 times [2023-11-26 12:06:17,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:17,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138899121] [2023-11-26 12:06:17,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:17,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:17,494 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 12:06:17,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:17,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138899121] [2023-11-26 12:06:17,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138899121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:17,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:17,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:06:17,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766448385] [2023-11-26 12:06:17,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:17,500 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:17,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:17,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2034854, now seen corresponding path program 1 times [2023-11-26 12:06:17,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:17,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741605753] [2023-11-26 12:06:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:17,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:17,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:17,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:17,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:17,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:06:17,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:06:17,613 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 13 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 12:06:17,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:17,651 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2023-11-26 12:06:17,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2023-11-26 12:06:17,653 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:17,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2023-11-26 12:06:17,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-26 12:06:17,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-26 12:06:17,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2023-11-26 12:06:17,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:06:17,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2023-11-26 12:06:17,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2023-11-26 12:06:17,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2023-11-26 12:06:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 states have internal predecessors, (29), 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 12:06:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2023-11-26 12:06:17,657 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-11-26 12:06:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:06:17,658 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-11-26 12:06:17,658 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 12:06:17,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2023-11-26 12:06:17,659 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:17,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:17,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:17,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:17,660 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:17,660 INFO L748 eck$LassoCheckResult]: Stem: 264#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 255#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 256#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 265#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 263#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 261#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 262#L22-3 assume !(max_~i~0#1 < ~N~0); 257#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 258#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 252#L22-8 [2023-11-26 12:06:17,660 INFO L750 eck$LassoCheckResult]: Loop: 252#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 254#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 243#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 244#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 252#L22-8 [2023-11-26 12:06:17,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:17,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1805667996, now seen corresponding path program 1 times [2023-11-26 12:06:17,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:17,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755732866] [2023-11-26 12:06:17,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:17,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:17,787 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 12:06:17,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:17,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755732866] [2023-11-26 12:06:17,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755732866] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:17,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831827797] [2023-11-26 12:06:17,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:17,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:17,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:17,789 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:17,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-26 12:06:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:17,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:06:17,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:17,919 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 12:06:17,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:06:17,946 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 12:06:17,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831827797] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:06:17,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:06:17,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-26 12:06:17,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896401632] [2023-11-26 12:06:17,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:06:17,947 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:17,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:17,948 INFO L85 PathProgramCache]: Analyzing trace with hash 2034854, now seen corresponding path program 2 times [2023-11-26 12:06:17,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:17,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943031663] [2023-11-26 12:06:17,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:17,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:17,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:17,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:18,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:18,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:18,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:06:18,027 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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 12:06:18,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:18,109 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2023-11-26 12:06:18,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2023-11-26 12:06:18,111 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:18,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 38 transitions. [2023-11-26 12:06:18,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-26 12:06:18,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-26 12:06:18,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2023-11-26 12:06:18,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:06:18,113 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 38 transitions. [2023-11-26 12:06:18,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2023-11-26 12:06:18,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2023-11-26 12:06:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 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 12:06:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2023-11-26 12:06:18,116 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2023-11-26 12:06:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:06:18,117 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2023-11-26 12:06:18,117 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 12:06:18,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2023-11-26 12:06:18,118 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:18,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:18,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:18,119 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:18,119 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:18,119 INFO L748 eck$LassoCheckResult]: Stem: 382#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 372#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 373#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 384#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 386#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 378#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 379#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 383#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 380#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 381#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 385#L22-3 assume !(max_~i~0#1 < ~N~0); 374#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 375#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 369#L22-8 [2023-11-26 12:06:18,119 INFO L750 eck$LassoCheckResult]: Loop: 369#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 371#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 360#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 361#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 369#L22-8 [2023-11-26 12:06:18,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1818198429, now seen corresponding path program 2 times [2023-11-26 12:06:18,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:18,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880604502] [2023-11-26 12:06:18,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:18,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:18,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:18,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:18,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:18,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2034854, now seen corresponding path program 3 times [2023-11-26 12:06:18,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:18,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387019329] [2023-11-26 12:06:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:18,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:18,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:18,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:18,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:18,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1198284866, now seen corresponding path program 1 times [2023-11-26 12:06:18,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:18,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445328868] [2023-11-26 12:06:18,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:18,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:06:18,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:18,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445328868] [2023-11-26 12:06:18,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445328868] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:18,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166833637] [2023-11-26 12:06:18,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:18,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:18,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:18,897 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:18,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-26 12:06:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:18,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-26 12:06:18,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:19,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2023-11-26 12:06:19,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 12:06:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:06:19,260 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:06:19,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:06:19,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2023-11-26 12:06:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:06:19,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166833637] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:06:19,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:06:19,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2023-11-26 12:06:19,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588776727] [2023-11-26 12:06:19,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:06:19,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:19,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-26 12:06:19,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2023-11-26 12:06:19,664 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. cyclomatic complexity: 11 Second operand has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 22 states have internal predecessors, (42), 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 12:06:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:21,416 INFO L93 Difference]: Finished difference Result 114 states and 143 transitions. [2023-11-26 12:06:21,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 143 transitions. [2023-11-26 12:06:21,419 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 32 [2023-11-26 12:06:21,422 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 114 states and 143 transitions. [2023-11-26 12:06:21,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2023-11-26 12:06:21,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2023-11-26 12:06:21,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 114 states and 143 transitions. [2023-11-26 12:06:21,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:06:21,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 114 states and 143 transitions. [2023-11-26 12:06:21,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states and 143 transitions. [2023-11-26 12:06:21,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 39. [2023-11-26 12:06:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 38 states have internal predecessors, (50), 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 12:06:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2023-11-26 12:06:21,432 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 50 transitions. [2023-11-26 12:06:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-26 12:06:21,433 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2023-11-26 12:06:21,433 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 12:06:21,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 50 transitions. [2023-11-26 12:06:21,434 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:21,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:21,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:21,435 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:21,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:21,436 INFO L748 eck$LassoCheckResult]: Stem: 678#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 674#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 668#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 669#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 679#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 680#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 694#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 693#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 685#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 688#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 689#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 683#L22-3 assume !(max_~i~0#1 < ~N~0); 684#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 672#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 665#L22-8 [2023-11-26 12:06:21,436 INFO L750 eck$LassoCheckResult]: Loop: 665#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 667#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 656#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 657#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 665#L22-8 [2023-11-26 12:06:21,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:21,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2083741857, now seen corresponding path program 1 times [2023-11-26 12:06:21,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:21,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675105748] [2023-11-26 12:06:21,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:21,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:21,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:21,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:21,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:21,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2034854, now seen corresponding path program 4 times [2023-11-26 12:06:21,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:21,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835863100] [2023-11-26 12:06:21,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:21,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:21,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:21,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:21,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:21,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2085565180, now seen corresponding path program 1 times [2023-11-26 12:06:21,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:21,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718882534] [2023-11-26 12:06:21,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:21,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:21,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:21,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:22,762 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:06:22,762 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:06:22,762 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:06:22,762 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:06:22,762 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:06:22,762 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:22,762 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:06:22,763 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:06:22,763 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration5_Lasso [2023-11-26 12:06:22,763 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:06:22,763 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:06:22,769 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 12:06:26,096 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 12:06:26,099 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 12:06:26,183 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 12:06:26,185 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 12:06:26,187 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 12:06:26,189 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 12:06:26,191 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 12:06:26,194 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 12:06:26,196 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 12:06:26,198 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 12:06:26,200 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 12:06:26,202 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 12:06:26,206 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 12:06:26,219 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 12:06:26,221 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 12:06:26,224 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 12:06:26,227 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 12:06:26,231 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 12:06:26,233 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 12:06:26,235 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 12:06:26,237 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 12:06:26,240 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 12:06:26,703 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:06:26,703 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:06:26,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:26,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:26,707 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:26,717 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 12:06:26,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 12:06:26,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:26,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:26,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:26,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:26,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:26,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:26,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:26,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:26,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:26,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:26,746 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:26,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 12:06:26,750 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 12:06:26,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:26,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:26,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:26,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:26,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:26,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:26,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:26,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-26 12:06:26,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:26,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:26,785 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:26,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 12:06:26,792 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 12:06:26,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:26,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:26,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:26,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:26,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:26,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:26,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:26,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:26,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:26,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:26,833 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:26,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 12:06:26,838 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 12:06:26,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:26,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:26,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:26,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:26,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:26,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:26,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:26,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:26,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:26,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:26,880 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:26,890 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 12:06:26,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:26,903 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 12:06:26,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:26,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:26,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 12:06:26,911 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-26 12:06:26,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:26,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:26,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:26,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:26,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:26,946 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:26,958 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 12:06:26,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 12:06:26,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:26,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:26,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:26,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:26,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:26,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:26,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:27,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:27,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:27,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:27,003 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:27,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 12:06:27,009 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 12:06:27,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:27,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:27,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:27,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:27,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:27,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:27,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:27,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:27,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:27,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:27,041 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:27,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 12:06:27,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:27,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:27,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:27,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:27,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:27,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:27,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:27,083 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:06:27,132 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2023-11-26 12:06:27,132 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-26 12:06:27,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:27,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:27,137 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:27,171 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:06:27,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 12:06:27,182 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 12:06:27,182 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:06:27,183 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_max_~x#1.base)_2, ULTIMATE.start_max_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_max_~x#1.base)_2 - 2*ULTIMATE.start_max_~i~0#1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_max_~x#1.base)_2 - 2*~N~0 >= 0] [2023-11-26 12:06:27,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:27,223 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2023-11-26 12:06:27,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated [2023-11-26 12:06:27,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:27,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 12:06:27,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:27,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:06:27,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:27,479 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 12:06:27,480 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-26 12:06:27,480 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 50 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:27,634 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 50 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 74 states and 101 transitions. Complement of second has 12 states. [2023-11-26 12:06:27,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-26 12:06:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 36 transitions. [2023-11-26 12:06:27,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 36 transitions. Stem has 14 letters. Loop has 4 letters. [2023-11-26 12:06:27,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:27,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 36 transitions. Stem has 18 letters. Loop has 4 letters. [2023-11-26 12:06:27,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:27,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 36 transitions. Stem has 14 letters. Loop has 8 letters. [2023-11-26 12:06:27,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:27,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 101 transitions. [2023-11-26 12:06:27,639 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:27,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 68 states and 90 transitions. [2023-11-26 12:06:27,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-26 12:06:27,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2023-11-26 12:06:27,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 90 transitions. [2023-11-26 12:06:27,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:06:27,641 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 90 transitions. [2023-11-26 12:06:27,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 90 transitions. [2023-11-26 12:06:27,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 57. [2023-11-26 12:06:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 56 states have internal predecessors, (75), 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 12:06:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2023-11-26 12:06:27,646 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 75 transitions. [2023-11-26 12:06:27,646 INFO L428 stractBuchiCegarLoop]: Abstraction has 57 states and 75 transitions. [2023-11-26 12:06:27,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 12:06:27,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 75 transitions. [2023-11-26 12:06:27,647 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:27,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:27,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:27,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:27,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:06:27,649 INFO L748 eck$LassoCheckResult]: Stem: 929#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 925#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 921#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 922#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 933#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 951#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 950#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 949#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 947#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 942#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 940#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 938#L22-3 assume !(max_~i~0#1 < ~N~0); 936#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 935#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 934#L22-8 assume !(max_~i~0#1 < ~N~0); 917#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 920#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 914#L43-3 [2023-11-26 12:06:27,649 INFO L750 eck$LassoCheckResult]: Loop: 914#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 913#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 914#L43-3 [2023-11-26 12:06:27,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1591298555, now seen corresponding path program 1 times [2023-11-26 12:06:27,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:27,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279466581] [2023-11-26 12:06:27,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:27,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:06:27,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:27,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279466581] [2023-11-26 12:06:27,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279466581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:27,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:27,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:06:27,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123383981] [2023-11-26 12:06:27,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:27,704 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:27,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:27,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 1 times [2023-11-26 12:06:27,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:27,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756897942] [2023-11-26 12:06:27,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:27,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:27,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:27,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:27,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:27,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:06:27,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:06:27,789 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. cyclomatic complexity: 24 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 12:06:27,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:27,839 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2023-11-26 12:06:27,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 86 transitions. [2023-11-26 12:06:27,840 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:27,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 68 states and 86 transitions. [2023-11-26 12:06:27,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-11-26 12:06:27,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-26 12:06:27,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 86 transitions. [2023-11-26 12:06:27,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:06:27,842 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 86 transitions. [2023-11-26 12:06:27,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 86 transitions. [2023-11-26 12:06:27,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 58. [2023-11-26 12:06:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 57 states have internal predecessors, (73), 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 12:06:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2023-11-26 12:06:27,847 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 73 transitions. [2023-11-26 12:06:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:06:27,849 INFO L428 stractBuchiCegarLoop]: Abstraction has 58 states and 73 transitions. [2023-11-26 12:06:27,849 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 12:06:27,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 73 transitions. [2023-11-26 12:06:27,850 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 12:06:27,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:27,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:27,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:27,851 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:27,851 INFO L748 eck$LassoCheckResult]: Stem: 1063#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1059#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1052#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1053#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1067#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1089#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1093#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1068#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1069#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1085#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1092#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1091#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1064#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1062#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1060#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1061#L22-3 assume !(max_~i~0#1 < ~N~0); 1090#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1056#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1057#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1070#L23-3 [2023-11-26 12:06:27,851 INFO L750 eck$LassoCheckResult]: Loop: 1070#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1036#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1037#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1047#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1070#L23-3 [2023-11-26 12:06:27,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:27,852 INFO L85 PathProgramCache]: Analyzing trace with hash 209733900, now seen corresponding path program 1 times [2023-11-26 12:06:27,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:27,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809378193] [2023-11-26 12:06:27,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:27,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:27,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:27,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:27,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:27,885 INFO L85 PathProgramCache]: Analyzing trace with hash 2128124, now seen corresponding path program 5 times [2023-11-26 12:06:27,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:27,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020958611] [2023-11-26 12:06:27,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:27,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:27,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:27,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:27,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash -772848505, now seen corresponding path program 2 times [2023-11-26 12:06:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:27,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550892627] [2023-11-26 12:06:27,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:27,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:27,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:27,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:29,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:29,550 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:06:29,550 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:06:29,550 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:06:29,550 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:06:29,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:06:29,550 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:29,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:06:29,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:06:29,551 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration7_Lasso [2023-11-26 12:06:29,551 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:06:29,551 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:06:29,554 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 12:06:29,557 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 12:06:30,046 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 12:06:30,049 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 12:06:30,053 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 12:06:30,055 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 12:06:30,057 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 12:06:30,059 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 12:06:30,061 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 12:06:30,063 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 12:06:30,073 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 12:06:30,074 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 12:06:30,076 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 12:06:30,078 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 12:06:30,080 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 12:06:30,082 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 12:06:30,087 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 12:06:30,089 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 12:06:30,173 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 12:06:30,176 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 12:06:30,179 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 12:06:30,181 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 12:06:30,862 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:06:30,862 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:06:30,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:30,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:30,869 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:30,877 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 12:06:30,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 12:06:30,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:30,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:30,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:30,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:30,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:30,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:30,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:30,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:30,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:30,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:30,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:30,896 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:30,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 12:06:30,900 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 12:06:30,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:30,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:30,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:30,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:30,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:30,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:30,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:30,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-26 12:06:30,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:30,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:30,921 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:30,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 12:06:30,924 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 12:06:30,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:30,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:30,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:30,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:30,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:30,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:30,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:30,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-26 12:06:30,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:30,945 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:30,969 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 12:06:30,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 12:06:30,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:30,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:30,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:30,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:30,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:30,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:30,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:30,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-26 12:06:30,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:30,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:30,996 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:30,998 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 12:06:30,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 12:06:31,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:31,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:31,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:31,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:31,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:31,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:31,033 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:06:31,057 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-26 12:06:31,057 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-26 12:06:31,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:31,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:31,058 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:31,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 12:06:31,060 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:06:31,071 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:06:31,072 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:06:31,072 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~x#1.offset, v_rep(select #length ULTIMATE.start_max_~x#1.base)_3, ULTIMATE.start_max_~i~0#1) = -1*ULTIMATE.start_max_~x#1.offset + 1*v_rep(select #length ULTIMATE.start_max_~x#1.base)_3 - 4*ULTIMATE.start_max_~i~0#1 Supporting invariants [] [2023-11-26 12:06:31,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:31,098 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 12:06:31,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated [2023-11-26 12:06:31,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~x!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-26 12:06:31,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:31,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:06:31,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:31,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:06:31,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:31,215 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 12:06:31,216 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 12:06:31,216 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 73 transitions. cyclomatic complexity: 21 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:31,244 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 73 transitions. cyclomatic complexity: 21. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 68 states and 91 transitions. Complement of second has 7 states. [2023-11-26 12:06:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 12:06:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2023-11-26 12:06:31,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 19 letters. Loop has 4 letters. [2023-11-26 12:06:31,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:31,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 23 letters. Loop has 4 letters. [2023-11-26 12:06:31,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:31,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 19 letters. Loop has 8 letters. [2023-11-26 12:06:31,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:31,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 91 transitions. [2023-11-26 12:06:31,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 12:06:31,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 65 states and 87 transitions. [2023-11-26 12:06:31,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-26 12:06:31,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2023-11-26 12:06:31,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 87 transitions. [2023-11-26 12:06:31,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:31,249 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 87 transitions. [2023-11-26 12:06:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 87 transitions. [2023-11-26 12:06:31,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 58. [2023-11-26 12:06:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 57 states have internal predecessors, (77), 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 12:06:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2023-11-26 12:06:31,253 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 77 transitions. [2023-11-26 12:06:31,253 INFO L428 stractBuchiCegarLoop]: Abstraction has 58 states and 77 transitions. [2023-11-26 12:06:31,253 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 12:06:31,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 77 transitions. [2023-11-26 12:06:31,254 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 12:06:31,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:31,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:31,255 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:31,255 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:06:31,256 INFO L748 eck$LassoCheckResult]: Stem: 1312#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1307#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1301#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1302#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1313#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1314#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1342#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1341#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1340#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1338#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1336#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1333#L22-3 assume !(max_~i~0#1 < ~N~0); 1334#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1343#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1299#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1300#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1288#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1289#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1297#L22-8 assume !(max_~i~0#1 < ~N~0); 1310#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1306#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1296#L43-3 [2023-11-26 12:06:31,256 INFO L750 eck$LassoCheckResult]: Loop: 1296#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 1295#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1296#L43-3 [2023-11-26 12:06:31,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:31,256 INFO L85 PathProgramCache]: Analyzing trace with hash -18080898, now seen corresponding path program 1 times [2023-11-26 12:06:31,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:31,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890579915] [2023-11-26 12:06:31,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:31,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:06:31,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:31,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890579915] [2023-11-26 12:06:31,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890579915] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:31,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751626445] [2023-11-26 12:06:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:31,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:31,345 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:31,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-26 12:06:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:31,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:06:31,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:06:31,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:06:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:06:31,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751626445] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:06:31,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:06:31,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-11-26 12:06:31,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336672552] [2023-11-26 12:06:31,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:06:31,532 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:31,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:31,533 INFO L85 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 2 times [2023-11-26 12:06:31,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:31,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463005774] [2023-11-26 12:06:31,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:31,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:31,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:31,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:31,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:31,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:06:31,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:06:31,609 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. cyclomatic complexity: 24 Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 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 12:06:31,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:31,692 INFO L93 Difference]: Finished difference Result 78 states and 104 transitions. [2023-11-26 12:06:31,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 104 transitions. [2023-11-26 12:06:31,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 12:06:31,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 75 states and 96 transitions. [2023-11-26 12:06:31,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2023-11-26 12:06:31,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-26 12:06:31,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 96 transitions. [2023-11-26 12:06:31,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:31,696 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 96 transitions. [2023-11-26 12:06:31,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 96 transitions. [2023-11-26 12:06:31,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 59. [2023-11-26 12:06:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.271186440677966) internal successors, (75), 58 states have internal predecessors, (75), 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 12:06:31,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2023-11-26 12:06:31,700 INFO L240 hiAutomatonCegarLoop]: Abstraction has 59 states and 75 transitions. [2023-11-26 12:06:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:06:31,705 INFO L428 stractBuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2023-11-26 12:06:31,705 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 12:06:31,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 75 transitions. [2023-11-26 12:06:31,706 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 12:06:31,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:31,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:31,707 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:31,707 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:06:31,707 INFO L748 eck$LassoCheckResult]: Stem: 1583#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1577#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1571#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1572#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1586#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1602#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1601#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1599#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1600#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1598#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1609#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1608#L22-3 assume !(max_~i~0#1 < ~N~0); 1607#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1606#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1588#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1589#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1557#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1558#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1567#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1570#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1555#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1556#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1566#L22-8 assume !(max_~i~0#1 < ~N~0); 1580#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1576#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1565#L43-3 [2023-11-26 12:06:31,707 INFO L750 eck$LassoCheckResult]: Loop: 1565#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 1564#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1565#L43-3 [2023-11-26 12:06:31,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2011161481, now seen corresponding path program 2 times [2023-11-26 12:06:31,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:31,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432989366] [2023-11-26 12:06:31,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:31,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:06:32,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:32,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432989366] [2023-11-26 12:06:32,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432989366] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:32,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063458694] [2023-11-26 12:06:32,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 12:06:32,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:32,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:32,351 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:32,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-26 12:06:32,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 12:06:32,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:06:32,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-26 12:06:32,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:32,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:32,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:06:32,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 18 [2023-11-26 12:06:32,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 12:06:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 12:06:32,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:06:32,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:06:32,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2023-11-26 12:06:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 12:06:32,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063458694] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:06:32,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:06:32,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 24 [2023-11-26 12:06:32,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545474986] [2023-11-26 12:06:32,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:06:32,978 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:32,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:32,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 3 times [2023-11-26 12:06:32,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:32,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702624533] [2023-11-26 12:06:32,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:32,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:32,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:32,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:33,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:33,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-26 12:06:33,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2023-11-26 12:06:33,065 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. cyclomatic complexity: 21 Second operand has 24 states, 24 states have (on average 2.1666666666666665) internal successors, (52), 24 states have internal predecessors, (52), 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 12:06:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:33,732 INFO L93 Difference]: Finished difference Result 136 states and 170 transitions. [2023-11-26 12:06:33,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 136 states and 170 transitions. [2023-11-26 12:06:33,733 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2023-11-26 12:06:33,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 136 states to 136 states and 170 transitions. [2023-11-26 12:06:33,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 75 [2023-11-26 12:06:33,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 75 [2023-11-26 12:06:33,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 170 transitions. [2023-11-26 12:06:33,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:33,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 170 transitions. [2023-11-26 12:06:33,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 170 transitions. [2023-11-26 12:06:33,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 78. [2023-11-26 12:06:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 77 states have internal predecessors, (100), 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 12:06:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2023-11-26 12:06:33,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 100 transitions. [2023-11-26 12:06:33,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-26 12:06:33,751 INFO L428 stractBuchiCegarLoop]: Abstraction has 78 states and 100 transitions. [2023-11-26 12:06:33,753 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 12:06:33,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 100 transitions. [2023-11-26 12:06:33,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 12:06:33,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:33,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:33,755 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:33,756 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:06:33,756 INFO L748 eck$LassoCheckResult]: Stem: 1968#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1962#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1958#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1959#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1969#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1984#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1960#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1961#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1985#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1986#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2003#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2001#L22-3 assume !(max_~i~0#1 < ~N~0); 1998#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1996#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1994#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1992#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1941#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1942#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1951#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1954#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1939#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1940#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1950#L22-8 assume !(max_~i~0#1 < ~N~0); 1963#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1957#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1949#L43-3 [2023-11-26 12:06:33,757 INFO L750 eck$LassoCheckResult]: Loop: 1949#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 1948#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1949#L43-3 [2023-11-26 12:06:33,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:33,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1618134471, now seen corresponding path program 1 times [2023-11-26 12:06:33,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:33,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542199481] [2023-11-26 12:06:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:33,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:33,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:33,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:33,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:33,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 4 times [2023-11-26 12:06:33,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:33,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708655555] [2023-11-26 12:06:33,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:33,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:33,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:33,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:33,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:33,869 INFO L85 PathProgramCache]: Analyzing trace with hash -249063589, now seen corresponding path program 1 times [2023-11-26 12:06:33,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:33,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937368064] [2023-11-26 12:06:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:33,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:33,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:33,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:36,610 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:06:36,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:06:36,610 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:06:36,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:06:36,611 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:06:36,611 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:36,611 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:06:36,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:06:36,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration10_Lasso [2023-11-26 12:06:36,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:06:36,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:06:36,616 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 12:06:36,623 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 12:06:36,625 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 12:06:36,627 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 12:06:36,629 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 12:06:36,632 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 12:06:36,634 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 12:06:36,636 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 12:06:36,654 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 12:06:36,657 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 12:06:36,659 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 12:06:36,661 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 12:06:39,348 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 12:06:39,350 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 12:06:39,473 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 12:06:39,475 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 12:06:39,479 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 12:06:39,481 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 12:06:39,483 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 12:06:39,485 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 12:06:39,487 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 12:06:39,489 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 12:06:39,490 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 12:06:39,492 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 12:06:40,170 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:06:40,171 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:06:40,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,173 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 12:06:40,176 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 12:06:40,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-26 12:06:40,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,193 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 12:06:40,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:40,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,211 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 12:06:40,214 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 12:06:40,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,234 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 12:06:40,237 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 12:06:40,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-26 12:06:40,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,254 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 12:06:40,257 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 12:06:40,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,273 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,276 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 12:06:40,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 12:06:40,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-26 12:06:40,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,292 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 12:06:40,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:40,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,331 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,336 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 12:06:40,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 12:06:40,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-26 12:06:40,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,375 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,381 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 12:06:40,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 12:06:40,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,421 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 12:06:40,425 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 12:06:40,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-26 12:06:40,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,454 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 12:06:40,457 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 12:06:40,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-26 12:06:40,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,474 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 12:06:40,477 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 12:06:40,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,501 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 12:06:40,504 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 12:06:40,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,515 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 12:06:40,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,522 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-26 12:06:40,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,554 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 12:06:40,565 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 12:06:40,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,607 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,613 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 12:06:40,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 12:06:40,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,659 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 12:06:40,662 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 12:06:40,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,692 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,701 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 12:06:40,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 12:06:40,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-26 12:06:40,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,722 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 12:06:40,727 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 12:06:40,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:06:40,777 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-26 12:06:40,778 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-26 12:06:40,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,780 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 12:06:40,782 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:06:40,793 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:06:40,794 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:06:40,794 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ~N~0) = -1*ULTIMATE.start_main_~i~1#1 + 1*~N~0 Supporting invariants [] [2023-11-26 12:06:40,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,809 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 12:06:40,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:40,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:06:40,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:40,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:06:40,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:40,923 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 12:06:40,924 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 12:06:40,924 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 100 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 12:06:40,955 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 100 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) Result 81 states and 106 transitions. Complement of second has 7 states. [2023-11-26 12:06:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 12:06:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 12:06:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-11-26 12:06:40,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 25 letters. Loop has 2 letters. [2023-11-26 12:06:40,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:40,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 2 letters. [2023-11-26 12:06:40,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:40,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 25 letters. Loop has 4 letters. [2023-11-26 12:06:40,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:40,961 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 106 transitions. [2023-11-26 12:06:40,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:40,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 79 states and 102 transitions. [2023-11-26 12:06:40,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-26 12:06:40,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 12:06:40,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 102 transitions. [2023-11-26 12:06:40,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:40,965 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 102 transitions. [2023-11-26 12:06:40,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 102 transitions. [2023-11-26 12:06:40,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-26 12:06:40,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2911392405063291) internal successors, (102), 78 states have internal predecessors, (102), 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 12:06:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2023-11-26 12:06:40,978 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 102 transitions. [2023-11-26 12:06:40,978 INFO L428 stractBuchiCegarLoop]: Abstraction has 79 states and 102 transitions. [2023-11-26 12:06:40,978 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-26 12:06:40,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 102 transitions. [2023-11-26 12:06:40,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:40,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:40,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:40,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:40,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:40,985 INFO L748 eck$LassoCheckResult]: Stem: 2245#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 2240#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2238#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2239#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2249#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2278#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2291#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2290#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2289#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2288#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2287#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2286#L22-3 assume !(max_~i~0#1 < ~N~0); 2285#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 2284#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2282#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2253#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2247#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2252#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2251#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2250#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2218#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2219#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2229#L22-8 assume !(max_~i~0#1 < ~N~0); 2243#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 2236#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 2237#L43-3 assume !(main_~i~1#1 < ~N~0 - 1); 2224#L43-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2223#L22-13 [2023-11-26 12:06:40,986 INFO L750 eck$LassoCheckResult]: Loop: 2223#L22-13 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2225#L23-6 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2226#L23-8 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2222#L22-12 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2223#L22-13 [2023-11-26 12:06:40,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash -249063647, now seen corresponding path program 1 times [2023-11-26 12:06:40,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:40,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970753094] [2023-11-26 12:06:40,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:40,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 12:06:41,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:41,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970753094] [2023-11-26 12:06:41,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970753094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:41,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:41,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:06:41,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224888047] [2023-11-26 12:06:41,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:41,076 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:41,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:41,077 INFO L85 PathProgramCache]: Analyzing trace with hash 3173862, now seen corresponding path program 1 times [2023-11-26 12:06:41,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:41,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081635362] [2023-11-26 12:06:41,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:41,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:41,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:41,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:06:41,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:06:41,154 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 12:06:41,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:41,184 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2023-11-26 12:06:41,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 102 transitions. [2023-11-26 12:06:41,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:41,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 102 transitions. [2023-11-26 12:06:41,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-26 12:06:41,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 12:06:41,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 102 transitions. [2023-11-26 12:06:41,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:41,188 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 102 transitions. [2023-11-26 12:06:41,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 102 transitions. [2023-11-26 12:06:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2023-11-26 12:06:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 78 states have internal predecessors, (101), 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 12:06:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2023-11-26 12:06:41,192 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 101 transitions. [2023-11-26 12:06:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:06:41,193 INFO L428 stractBuchiCegarLoop]: Abstraction has 79 states and 101 transitions. [2023-11-26 12:06:41,194 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-26 12:06:41,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 101 transitions. [2023-11-26 12:06:41,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:41,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:41,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:41,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:41,196 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:41,196 INFO L748 eck$LassoCheckResult]: Stem: 2411#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 2406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2400#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2401#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2412#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2413#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2462#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2453#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2451#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2447#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2443#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2436#L22-3 assume !(max_~i~0#1 < ~N~0); 2432#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 2428#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2424#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2420#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2416#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2419#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2418#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2417#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2384#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2385#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2395#L22-8 assume !(max_~i~0#1 < ~N~0); 2409#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 2404#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 2405#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 2393#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2394#L43-3 assume !(main_~i~1#1 < ~N~0 - 1); 2390#L43-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2389#L22-13 [2023-11-26 12:06:41,196 INFO L750 eck$LassoCheckResult]: Loop: 2389#L22-13 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2391#L23-6 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2392#L23-8 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2388#L22-12 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2389#L22-13 [2023-11-26 12:06:41,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:41,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1168061379, now seen corresponding path program 1 times [2023-11-26 12:06:41,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:41,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924232100] [2023-11-26 12:06:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:41,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:41,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:41,253 INFO L85 PathProgramCache]: Analyzing trace with hash 3173862, now seen corresponding path program 2 times [2023-11-26 12:06:41,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:41,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275876245] [2023-11-26 12:06:41,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:41,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:41,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:41,262 INFO L85 PathProgramCache]: Analyzing trace with hash 934015144, now seen corresponding path program 1 times [2023-11-26 12:06:41,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:41,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600426296] [2023-11-26 12:06:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:41,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:44,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:46,105 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:06:46,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:06:46,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:06:46,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:06:46,105 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:06:46,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:46,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:06:46,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:06:46,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration12_Lasso [2023-11-26 12:06:46,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:06:46,106 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:06:46,112 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 12:06:46,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:46,147 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 12:06:46,149 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 12:06:46,152 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 12:06:46,155 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 12:06:46,157 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 12:06:46,160 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 12:06:46,459 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 12:06:46,461 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 12:06:46,463 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 12:06:46,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:46,467 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 12:06:46,469 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 12:06:46,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:51,820 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 12:06:51,822 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 12:06:51,824 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 12:06:51,826 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 12:06:51,828 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 12:06:51,830 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 12:06:51,832 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 12:06:52,239 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-11-26 12:06:52,502 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:06:52,502 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:06:52,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,504 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-26 12:06:52,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:52,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-26 12:06:52,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,531 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 12:06:52,533 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 12:06:52,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-26 12:06:52,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,556 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-26 12:06:52,559 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 12:06:52,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-26 12:06:52,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,583 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-26 12:06:52,587 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 12:06:52,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-26 12:06:52,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,607 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-26 12:06:52,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:52,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-26 12:06:52,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,633 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-26 12:06:52,636 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 12:06:52,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-26 12:06:52,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,655 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-26 12:06:52,658 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 12:06:52,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-26 12:06:52,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,677 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-26 12:06:52,680 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 12:06:52,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-26 12:06:52,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,699 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-26 12:06:52,701 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 12:06:52,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-26 12:06:52,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,724 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-26 12:06:52,727 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 12:06:52,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-26 12:06:52,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,749 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-26 12:06:52,752 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 12:06:52,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-26 12:06:52,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,773 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-26 12:06:52,776 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 12:06:52,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-26 12:06:52,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,797 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,805 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 12:06:52,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-26 12:06:52,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-26 12:06:52,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,827 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-26 12:06:52,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:52,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-26 12:06:52,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,849 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-26 12:06:52,854 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 12:06:52,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:52,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,872 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-26 12:06:52,875 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 12:06:52,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:52,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,892 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-26 12:06:52,895 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 12:06:52,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-26 12:06:52,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,912 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-26 12:06:52,915 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 12:06:52,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-26 12:06:52,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,936 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-26 12:06:52,939 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 12:06:52,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-26 12:06:52,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,956 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-26 12:06:52,958 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 12:06:52,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:52,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:52,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:52,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:52,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-26 12:06:52,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:52,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:52,975 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:52,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-26 12:06:52,978 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 12:06:52,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:52,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:52,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:52,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:52,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:52,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:52,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:53,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-26 12:06:53,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:53,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:53,002 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:53,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-26 12:06:53,005 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 12:06:53,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:53,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:53,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:53,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:53,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:53,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:53,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:53,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:53,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:53,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:53,033 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:53,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-26 12:06:53,035 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 12:06:53,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:53,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:53,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:53,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:53,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:53,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:53,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:53,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-26 12:06:53,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:53,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:53,060 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:53,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-26 12:06:53,062 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 12:06:53,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:53,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:53,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:53,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:53,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:53,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:53,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:53,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:53,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:53,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:53,084 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:53,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-26 12:06:53,087 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 12:06:53,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:53,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:53,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:53,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:53,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:53,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:53,119 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:06:53,155 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2023-11-26 12:06:53,156 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-26 12:06:53,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:53,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:53,157 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:53,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-26 12:06:53,160 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:06:53,173 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:06:53,173 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:06:53,173 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0#1) = -2*ULTIMATE.start_max_~i~0#1 + 3 Supporting invariants [] [2023-11-26 12:06:53,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-26 12:06:53,220 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2023-11-26 12:06:53,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:53,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:06:53,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:53,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:06:53,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:53,491 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 12:06:53,492 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-26 12:06:53,492 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 101 transitions. cyclomatic complexity: 28 Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:53,711 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 101 transitions. cyclomatic complexity: 28. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 118 states and 152 transitions. Complement of second has 13 states. [2023-11-26 12:06:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 8 stem states 1 non-accepting loop states 2 accepting loop states [2023-11-26 12:06:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 64 transitions. [2023-11-26 12:06:53,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 64 transitions. Stem has 29 letters. Loop has 4 letters. [2023-11-26 12:06:53,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:53,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 64 transitions. Stem has 33 letters. Loop has 4 letters. [2023-11-26 12:06:53,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:53,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 64 transitions. Stem has 29 letters. Loop has 8 letters. [2023-11-26 12:06:53,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:53,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 152 transitions. [2023-11-26 12:06:53,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:53,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 78 states and 99 transitions. [2023-11-26 12:06:53,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-26 12:06:53,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-26 12:06:53,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 99 transitions. [2023-11-26 12:06:53,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:53,717 INFO L218 hiAutomatonCegarLoop]: Abstraction has 78 states and 99 transitions. [2023-11-26 12:06:53,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 99 transitions. [2023-11-26 12:06:53,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2023-11-26 12:06:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 66 states have internal predecessors, (84), 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 12:06:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2023-11-26 12:06:53,720 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 84 transitions. [2023-11-26 12:06:53,720 INFO L428 stractBuchiCegarLoop]: Abstraction has 67 states and 84 transitions. [2023-11-26 12:06:53,720 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-26 12:06:53,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 84 transitions. [2023-11-26 12:06:53,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:53,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:53,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:53,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:53,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:53,722 INFO L748 eck$LassoCheckResult]: Stem: 2798#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 2795#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2790#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2791#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2803#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2828#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2827#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2826#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2825#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2824#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2823#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2822#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2813#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2820#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2816#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2812#L22-3 assume !(max_~i~0#1 < ~N~0); 2810#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 2808#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2807#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2805#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2801#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2781#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2782#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2785#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2769#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2770#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2780#L22-8 assume !(max_~i~0#1 < ~N~0); 2796#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 2788#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 2789#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 2778#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2779#L43-3 assume !(main_~i~1#1 < ~N~0 - 1); 2775#L43-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2774#L22-13 [2023-11-26 12:06:53,723 INFO L750 eck$LassoCheckResult]: Loop: 2774#L22-13 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2776#L23-6 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 2777#L23-8 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2773#L22-12 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2774#L22-13 [2023-11-26 12:06:53,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:53,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1580658666, now seen corresponding path program 2 times [2023-11-26 12:06:53,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:53,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820324236] [2023-11-26 12:06:53,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:53,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:06:53,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:53,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820324236] [2023-11-26 12:06:53,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820324236] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:53,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003942865] [2023-11-26 12:06:53,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 12:06:53,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:53,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:53,865 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:53,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2023-11-26 12:06:53,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 12:06:53,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:06:53,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:06:53,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:06:54,075 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:06:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:06:54,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003942865] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:06:54,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:06:54,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2023-11-26 12:06:54,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743927953] [2023-11-26 12:06:54,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:06:54,150 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:54,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:54,151 INFO L85 PathProgramCache]: Analyzing trace with hash 3173862, now seen corresponding path program 3 times [2023-11-26 12:06:54,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:54,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094564770] [2023-11-26 12:06:54,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:54,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:54,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:54,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:54,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:54,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 12:06:54,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:06:54,229 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. cyclomatic complexity: 23 Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 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 12:06:54,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:54,434 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2023-11-26 12:06:54,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 119 transitions. [2023-11-26 12:06:54,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:54,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 91 states and 114 transitions. [2023-11-26 12:06:54,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2023-11-26 12:06:54,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2023-11-26 12:06:54,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 114 transitions. [2023-11-26 12:06:54,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:54,437 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 114 transitions. [2023-11-26 12:06:54,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 114 transitions. [2023-11-26 12:06:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 71. [2023-11-26 12:06:54,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 70 states have internal predecessors, (88), 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 12:06:54,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2023-11-26 12:06:54,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 71 states and 88 transitions. [2023-11-26 12:06:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:06:54,442 INFO L428 stractBuchiCegarLoop]: Abstraction has 71 states and 88 transitions. [2023-11-26 12:06:54,442 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-26 12:06:54,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 88 transitions. [2023-11-26 12:06:54,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:54,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:54,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:54,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:54,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:54,445 INFO L748 eck$LassoCheckResult]: Stem: 3180#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 3175#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3171#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 3172#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3181#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 3205#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3208#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3207#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3178#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 3179#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3221#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3220#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3217#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 3219#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3218#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3216#L22-3 assume !(max_~i~0#1 < ~N~0); 3215#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 3214#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 3213#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3212#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 3153#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3154#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3163#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3166#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 3185#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3188#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3187#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3186#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 3151#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3152#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3162#L22-8 assume !(max_~i~0#1 < ~N~0); 3176#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 3169#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 3170#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 3160#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3161#L43-3 assume !(main_~i~1#1 < ~N~0 - 1); 3157#L43-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 3156#L22-13 [2023-11-26 12:06:54,445 INFO L750 eck$LassoCheckResult]: Loop: 3156#L22-13 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3158#L23-6 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 3159#L23-8 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3155#L22-12 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3156#L22-13 [2023-11-26 12:06:54,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:54,446 INFO L85 PathProgramCache]: Analyzing trace with hash 477776739, now seen corresponding path program 3 times [2023-11-26 12:06:54,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:54,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220690004] [2023-11-26 12:06:54,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:54,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 12:06:54,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:54,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220690004] [2023-11-26 12:06:54,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220690004] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:54,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551028010] [2023-11-26 12:06:54,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 12:06:54,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:54,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:54,604 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:54,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2023-11-26 12:06:54,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a280d5e-b141-4476-a7cb-700e978b7e66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-26 12:06:54,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-26 12:06:54,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:06:54,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:06:54,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 12:06:54,879 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:06:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 12:06:54,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551028010] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:06:54,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:06:54,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2023-11-26 12:06:54,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747228821] [2023-11-26 12:06:54,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:06:54,966 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:54,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:54,967 INFO L85 PathProgramCache]: Analyzing trace with hash 3173862, now seen corresponding path program 4 times [2023-11-26 12:06:54,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:54,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058493224] [2023-11-26 12:06:54,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:54,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:54,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:54,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:55,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:55,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 12:06:55,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:06:55,052 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. cyclomatic complexity: 23 Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:55,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:55,246 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2023-11-26 12:06:55,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 103 transitions. [2023-11-26 12:06:55,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:55,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 84 states and 103 transitions. [2023-11-26 12:06:55,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-26 12:06:55,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2023-11-26 12:06:55,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 103 transitions. [2023-11-26 12:06:55,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:55,250 INFO L218 hiAutomatonCegarLoop]: Abstraction has 84 states and 103 transitions. [2023-11-26 12:06:55,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 103 transitions. [2023-11-26 12:06:55,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 73. [2023-11-26 12:06:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 72 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2023-11-26 12:06:55,253 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 90 transitions. [2023-11-26 12:06:55,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 12:06:55,257 INFO L428 stractBuchiCegarLoop]: Abstraction has 73 states and 90 transitions. [2023-11-26 12:06:55,257 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-26 12:06:55,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 90 transitions. [2023-11-26 12:06:55,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:55,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:55,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:55,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:55,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:06:55,260 INFO L748 eck$LassoCheckResult]: Stem: 3578#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(109, 2, 0, 1);call write~init~int#1(97, 2, 1, 1);call write~init~int#1(120, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 3572#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3568#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 3569#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3576#L23 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 3577#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3618#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3617#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3614#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 3611#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3608#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3607#L22-3 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3596#L23 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 3602#L23-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3597#L22-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3595#L22-3 assume !(max_~i~0#1 < ~N~0); 3593#L22-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 3591#max_returnLabel#1 main_#t~ret6#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 3590#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3588#L23-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 3580#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3558#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3559#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3562#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 3582#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3586#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3585#L22-8 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3583#L23-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 3546#L23-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3547#L22-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3557#L22-8 assume !(max_~i~0#1 < ~N~0); 3574#L22-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 3566#max_returnLabel#2 main_#t~ret9#1 := max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;havoc max_#in~x#1.base, max_#in~x#1.offset;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 3567#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 3555#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3556#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 3573#L43-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3584#L43-3 assume !(main_~i~1#1 < ~N~0 - 1); 3552#L43-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 3551#L22-13 [2023-11-26 12:06:55,261 INFO L750 eck$LassoCheckResult]: Loop: 3551#L22-13 assume !!(max_~i~0#1 < ~N~0);call max_#t~mem2#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 3553#L23-6 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int#2(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 3554#L23-8 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 3550#L22-12 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 3551#L22-13 [2023-11-26 12:06:55,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:55,261 INFO L85 PathProgramCache]: Analyzing trace with hash -417996923, now seen corresponding path program 4 times [2023-11-26 12:06:55,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:55,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78624334] [2023-11-26 12:06:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:55,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:55,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:55,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:55,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:55,331 INFO L85 PathProgramCache]: Analyzing trace with hash 3173862, now seen corresponding path program 5 times [2023-11-26 12:06:55,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:55,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935863011] [2023-11-26 12:06:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:55,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:55,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:55,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:55,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:55,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1568478358, now seen corresponding path program 2 times [2023-11-26 12:06:55,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:55,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56833611] [2023-11-26 12:06:55,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:55,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:55,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:55,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace