./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --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 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:20:38,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:20:38,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:20:38,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:20:38,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:20:38,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:20:38,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:20:38,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:20:38,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:20:38,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:20:38,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:20:38,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:20:38,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:20:38,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:20:38,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:20:38,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:20:38,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:20:38,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:20:38,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:20:38,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:20:38,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:20:38,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:20:38,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:20:38,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:20:38,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:20:38,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:20:38,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:20:38,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:20:38,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:20:38,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:20:38,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:20:38,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:20:38,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:20:38,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:20:38,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:20:38,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:20:38,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:20:38,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:20:38,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:20:38,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:20:38,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:20:38,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:20:38,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:20:38,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:20:38,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:20:38,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:20:38,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:20:38,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:20:38,511 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:20:38,512 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:20:38,512 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:20:38,512 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:20:38,512 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:20:38,513 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:20:38,513 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:20:38,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:20:38,513 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:20:38,516 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:20:38,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:20:38,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:20:38,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:20:38,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:20:38,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:20:38,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:20:38,518 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:20:38,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:20:38,520 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:20:38,520 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:20:38,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:20:38,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:20:38,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:20:38,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:20:38,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:20:38,523 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:20:38,524 INFO L138 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_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2022-11-16 12:20:38,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:20:38,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:20:38,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:20:38,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:20:38,860 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:20:38,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2022-11-16 12:20:38,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/data/17167430d/2b5cc46c4ffc49f1ad97a105de1e398b/FLAGe99b50740 [2022-11-16 12:20:39,561 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:20:39,561 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2022-11-16 12:20:39,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/data/17167430d/2b5cc46c4ffc49f1ad97a105de1e398b/FLAGe99b50740 [2022-11-16 12:20:39,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/data/17167430d/2b5cc46c4ffc49f1ad97a105de1e398b [2022-11-16 12:20:39,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:20:39,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:20:39,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:20:39,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:20:39,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:20:39,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:20:39" (1/1) ... [2022-11-16 12:20:39,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f096107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:39, skipping insertion in model container [2022-11-16 12:20:39,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:20:39" (1/1) ... [2022-11-16 12:20:39,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:20:39,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:20:40,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:20:40,550 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:20:40,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:20:40,706 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:20:40,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40 WrapperNode [2022-11-16 12:20:40,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:20:40,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:20:40,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:20:40,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:20:40,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,798 INFO L138 Inliner]: procedures = 164, calls = 72, calls flagged for inlining = 28, calls inlined = 5, statements flattened = 65 [2022-11-16 12:20:40,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:20:40,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:20:40,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:20:40,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:20:40,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:20:40,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:20:40,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:20:40,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:20:40,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (1/1) ... [2022-11-16 12:20:40,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:40,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:40,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:20:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:20:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:20:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:20:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:20:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:20:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:20:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:20:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:20:41,168 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:20:41,170 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:20:41,408 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:20:41,414 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:20:41,414 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:20:41,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:41 BoogieIcfgContainer [2022-11-16 12:20:41,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:20:41,420 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:20:41,422 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:20:41,427 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:20:41,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:20:41,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:20:39" (1/3) ... [2022-11-16 12:20:41,429 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@700a4e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:20:41, skipping insertion in model container [2022-11-16 12:20:41,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:20:41,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40" (2/3) ... [2022-11-16 12:20:41,430 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@700a4e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:20:41, skipping insertion in model container [2022-11-16 12:20:41,430 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:20:41,430 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:41" (3/3) ... [2022-11-16 12:20:41,432 INFO L332 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_1.i [2022-11-16 12:20:41,523 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:20:41,523 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:20:41,523 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:20:41,524 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:20:41,524 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:20:41,524 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:20:41,524 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:20:41,524 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:20:41,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2022-11-16 12:20:41,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 12:20:41,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:41,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:41,592 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 12:20:41,592 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-16 12:20:41,592 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:20:41,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2022-11-16 12:20:41,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 12:20:41,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:41,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:41,598 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 12:20:41,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-16 12:20:41,605 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 12#L526true assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 6#L529true entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 7#L766true assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 10#L767-3true [2022-11-16 12:20:41,606 INFO L750 eck$LassoCheckResult]: Loop: 10#L767-3true assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 15#L526-1true assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 16#L529-1true entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 14#L769true assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 11#L767-2true entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 10#L767-3true [2022-11-16 12:20:41,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:41,613 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-11-16 12:20:41,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:41,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129545532] [2022-11-16 12:20:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:41,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:41,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:41,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129545532] [2022-11-16 12:20:41,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129545532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:20:41,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:20:41,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:20:41,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815518760] [2022-11-16 12:20:41,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:20:41,957 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:41,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:41,959 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2022-11-16 12:20:41,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:41,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690079918] [2022-11-16 12:20:41,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:41,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:41,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:42,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:42,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:42,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:20:42,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:20:42,540 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-16 12:20:42,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:42,627 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-11-16 12:20:42,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 43 transitions. [2022-11-16 12:20:42,632 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2022-11-16 12:20:42,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 20 states and 25 transitions. [2022-11-16 12:20:42,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-16 12:20:42,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-16 12:20:42,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2022-11-16 12:20:42,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:42,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-16 12:20:42,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2022-11-16 12:20:42,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-16 12:20:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:42,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-16 12:20:42,696 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-16 12:20:42,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:20:42,702 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-16 12:20:42,702 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:20:42,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-11-16 12:20:42,703 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 12:20:42,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:42,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:42,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 12:20:42,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-16 12:20:42,705 INFO L748 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 70#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 75#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 74#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 72#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 73#L767-3 [2022-11-16 12:20:42,705 INFO L750 eck$LassoCheckResult]: Loop: 73#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 76#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 79#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 78#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 77#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 73#L767-3 [2022-11-16 12:20:42,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:42,706 INFO L85 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2022-11-16 12:20:42,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:42,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192510095] [2022-11-16 12:20:42,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:42,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:42,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:42,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:42,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2022-11-16 12:20:42,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:42,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412468613] [2022-11-16 12:20:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:42,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:42,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:42,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:42,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2022-11-16 12:20:42,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:42,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567972599] [2022-11-16 12:20:42,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:42,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:42,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:42,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:43,756 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:20:43,756 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:20:43,757 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:20:43,757 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:20:43,757 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:20:43,757 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:43,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:20:43,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:20:43,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration2_Lasso [2022-11-16 12:20:43,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:20:43,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:20:43,788 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:43,800 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:43,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:43,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:43,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:44,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:45,306 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:20:45,313 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:20:45,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:20:45,329 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 [2022-11-16 12:20:45,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:45,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:45,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:45,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:20:45,373 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 [2022-11-16 12:20:45,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:45,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:45,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:45,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:20:45,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:45,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:45,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:45,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:20:45,464 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 [2022-11-16 12:20:45,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:45,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:45,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:45,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:20:45,506 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 [2022-11-16 12:20:45,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:45,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:45,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,555 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,563 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 [2022-11-16 12:20:45,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:20:45,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:45,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:45,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:45,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,602 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,611 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 [2022-11-16 12:20:45,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:20:45,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:45,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:45,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,670 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:20:45,683 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 [2022-11-16 12:20:45,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,697 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-16 12:20:45,697 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:20:45,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,714 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-16 12:20:45,714 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 12:20:45,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,757 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,766 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 [2022-11-16 12:20:45,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:45,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:20:45,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:45,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:45,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,807 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:20:45,812 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 [2022-11-16 12:20:45,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:45,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:45,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,859 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,867 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 [2022-11-16 12:20:45,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:45,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:45,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:20:45,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,906 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:20:45,919 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 [2022-11-16 12:20:45,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:45,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:45,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:45,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:45,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:45,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,954 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:20:45,961 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 [2022-11-16 12:20:45,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:45,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:45,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:45,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:45,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:45,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:45,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:46,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:46,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:46,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:46,010 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:46,015 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 [2022-11-16 12:20:46,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:20:46,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:46,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:46,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:46,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:46,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:46,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:46,098 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:20:46,162 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-16 12:20:46,162 INFO L444 ModelExtractionUtils]: 31 out of 40 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-11-16 12:20:46,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:46,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:46,168 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:46,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:20:46,173 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:20:46,196 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:20:46,196 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:20:46,197 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0#1, ULTIMATE.start_entry_point_~i~0#1) = 1*ULTIMATE.start_entry_point_~len~0#1 - 1*ULTIMATE.start_entry_point_~i~0#1 Supporting invariants [] [2022-11-16 12:20:46,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:46,226 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 12:20:46,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:46,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:20:46,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:46,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:20:46,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:46,380 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 [2022-11-16 12:20:46,382 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:46,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 6 states. [2022-11-16 12:20:46,429 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 [2022-11-16 12:20:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-11-16 12:20:46,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 5 letters. [2022-11-16 12:20:46,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:46,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 5 letters. [2022-11-16 12:20:46,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:46,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 10 letters. [2022-11-16 12:20:46,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:46,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-11-16 12:20:46,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:20:46,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 20 states and 26 transitions. [2022-11-16 12:20:46,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 12:20:46,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-16 12:20:46,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-11-16 12:20:46,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:20:46,438 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-16 12:20:46,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-11-16 12:20:46,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2022-11-16 12:20:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 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) [2022-11-16 12:20:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-16 12:20:46,440 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 12:20:46,441 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 12:20:46,441 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:20:46,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-16 12:20:46,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:46,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:46,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:46,442 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:46,442 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:46,443 INFO L748 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 187#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 184#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 185#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 186#L767-3 assume !(entry_point_~i~0#1 < entry_point_~len~0#1); 183#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 179#L773-3 [2022-11-16 12:20:46,443 INFO L750 eck$LassoCheckResult]: Loop: 179#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 180#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 179#L773-3 [2022-11-16 12:20:46,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1804968475, now seen corresponding path program 1 times [2022-11-16 12:20:46,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182086422] [2022-11-16 12:20:46,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:46,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:46,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182086422] [2022-11-16 12:20:46,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182086422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:20:46,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:20:46,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:20:46,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408974436] [2022-11-16 12:20:46,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:20:46,566 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:46,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 1 times [2022-11-16 12:20:46,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995444108] [2022-11-16 12:20:46,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:46,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:46,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:20:46,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:20:46,651 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2022-11-16 12:20:46,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:46,684 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2022-11-16 12:20:46,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2022-11-16 12:20:46,685 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 12:20:46,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2022-11-16 12:20:46,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-16 12:20:46,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 12:20:46,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2022-11-16 12:20:46,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:20:46,687 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2022-11-16 12:20:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2022-11-16 12:20:46,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2022-11-16 12:20:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2022-11-16 12:20:46,689 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-16 12:20:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:20:46,694 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-16 12:20:46,695 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:20:46,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2022-11-16 12:20:46,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:46,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:46,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:46,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:46,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:46,697 INFO L748 eck$LassoCheckResult]: Stem: 230#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 231#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 238#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 235#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 236#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 237#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 240#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 245#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 243#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 234#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 232#L773-3 [2022-11-16 12:20:46,698 INFO L750 eck$LassoCheckResult]: Loop: 232#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 233#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 232#L773-3 [2022-11-16 12:20:46,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1173218535, now seen corresponding path program 1 times [2022-11-16 12:20:46,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167177604] [2022-11-16 12:20:46,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,752 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 2 times [2022-11-16 12:20:46,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050797352] [2022-11-16 12:20:46,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:46,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2113388251, now seen corresponding path program 1 times [2022-11-16 12:20:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402197111] [2022-11-16 12:20:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:46,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:46,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402197111] [2022-11-16 12:20:46,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402197111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:20:46,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:20:46,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:20:46,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988114942] [2022-11-16 12:20:46,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:20:46,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:46,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:20:46,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:20:46,865 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:46,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:46,898 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-16 12:20:46,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2022-11-16 12:20:46,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:46,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 26 transitions. [2022-11-16 12:20:46,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 12:20:46,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:20:46,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2022-11-16 12:20:46,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:20:46,901 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-16 12:20:46,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2022-11-16 12:20:46,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2022-11-16 12:20:46,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 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) [2022-11-16 12:20:46,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-16 12:20:46,903 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-16 12:20:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:20:46,905 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-16 12:20:46,905 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:20:46,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2022-11-16 12:20:46,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:46,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:46,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:46,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:46,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:46,907 INFO L748 eck$LassoCheckResult]: Stem: 284#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 285#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 292#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 289#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 290#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 291#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 293#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 300#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 298#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 296#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 294#L767-3 assume !(entry_point_~i~0#1 < entry_point_~len~0#1); 288#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 286#L773-3 [2022-11-16 12:20:46,908 INFO L750 eck$LassoCheckResult]: Loop: 286#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 287#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 286#L773-3 [2022-11-16 12:20:46,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2113443111, now seen corresponding path program 1 times [2022-11-16 12:20:46,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360535381] [2022-11-16 12:20:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:47,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:47,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360535381] [2022-11-16 12:20:47,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360535381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:20:47,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:20:47,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:20:47,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83466397] [2022-11-16 12:20:47,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:20:47,023 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:47,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 3 times [2022-11-16 12:20:47,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:47,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963505538] [2022-11-16 12:20:47,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:47,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:47,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:47,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:47,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:20:47,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:20:47,100 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:47,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:47,131 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-11-16 12:20:47,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2022-11-16 12:20:47,135 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:47,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2022-11-16 12:20:47,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-16 12:20:47,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-16 12:20:47,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2022-11-16 12:20:47,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:20:47,138 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-16 12:20:47,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2022-11-16 12:20:47,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2022-11-16 12:20:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-16 12:20:47,142 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-16 12:20:47,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:20:47,145 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-16 12:20:47,146 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:20:47,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2022-11-16 12:20:47,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:47,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:47,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:47,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:47,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:47,150 INFO L748 eck$LassoCheckResult]: Stem: 339#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 340#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 345#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 342#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 343#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 344#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 348#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 353#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 351#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 346#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 347#L767-3 assume !(entry_point_~i~0#1 < entry_point_~len~0#1); 341#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 337#L773-3 [2022-11-16 12:20:47,150 INFO L750 eck$LassoCheckResult]: Loop: 337#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 338#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 337#L773-3 [2022-11-16 12:20:47,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:47,151 INFO L85 PathProgramCache]: Analyzing trace with hash 2056184809, now seen corresponding path program 1 times [2022-11-16 12:20:47,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:47,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273880798] [2022-11-16 12:20:47,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:47,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:47,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:47,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273880798] [2022-11-16 12:20:47,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273880798] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:20:47,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018066691] [2022-11-16 12:20:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:47,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:20:47,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,244 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-16 12:20:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:47,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:20:47,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:47,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:20:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:47,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018066691] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:20:47,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:20:47,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-16 12:20:47,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207862738] [2022-11-16 12:20:47,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:20:47,482 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:47,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:47,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 4 times [2022-11-16 12:20:47,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:47,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658368820] [2022-11-16 12:20:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:47,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:47,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:20:47,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:20:47,574 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 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) [2022-11-16 12:20:47,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:47,666 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2022-11-16 12:20:47,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 55 transitions. [2022-11-16 12:20:47,667 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:47,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 55 transitions. [2022-11-16 12:20:47,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-16 12:20:47,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-11-16 12:20:47,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2022-11-16 12:20:47,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:20:47,669 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-11-16 12:20:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2022-11-16 12:20:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 32. [2022-11-16 12:20:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.1875) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-11-16 12:20:47,673 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-16 12:20:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:20:47,674 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-16 12:20:47,674 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:20:47,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2022-11-16 12:20:47,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:47,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:47,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:47,677 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:47,677 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:47,678 INFO L748 eck$LassoCheckResult]: Stem: 486#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 487#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 492#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 489#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 490#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 491#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 495#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1 % 4294967296);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 502#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 503#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 514#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 496#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 498#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 501#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 499#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 488#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 484#L773-3 [2022-11-16 12:20:47,678 INFO L750 eck$LassoCheckResult]: Loop: 484#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 485#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 484#L773-3 [2022-11-16 12:20:47,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:47,678 INFO L85 PathProgramCache]: Analyzing trace with hash 979558027, now seen corresponding path program 1 times [2022-11-16 12:20:47,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:47,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130798070] [2022-11-16 12:20:47,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:47,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:47,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:47,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 5 times [2022-11-16 12:20:47,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:47,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076133367] [2022-11-16 12:20:47,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:47,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:47,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:47,722 INFO L85 PathProgramCache]: Analyzing trace with hash 757427661, now seen corresponding path program 1 times [2022-11-16 12:20:47,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:47,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247822831] [2022-11-16 12:20:47,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:47,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:47,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:48,765 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:20:48,765 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:20:48,765 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:20:48,765 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:20:48,766 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:20:48,766 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,766 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:20:48,766 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:20:48,766 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration7_Lasso [2022-11-16 12:20:48,766 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:20:48,767 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:20:48,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:48,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:48,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:48,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:48,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:48,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,138 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:49,695 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:20:49,696 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:20:49,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:49,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:49,697 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:49,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:20:49,707 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 [2022-11-16 12:20:49,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:49,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:49,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:49,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:49,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:49,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:49,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:49,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:49,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:49,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:49,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:49,743 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:49,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:20:49,812 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 [2022-11-16 12:20:49,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:49,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:49,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:49,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:49,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:49,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:49,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:49,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:49,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:49,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:49,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:49,848 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:49,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:20:49,858 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 [2022-11-16 12:20:49,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:49,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:49,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:49,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:49,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:49,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:49,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:49,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:49,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:49,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:49,895 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:49,904 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 [2022-11-16 12:20:49,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:49,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:49,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:49,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:49,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:49,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:49,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:49,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:20:49,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:49,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:49,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:49,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:49,937 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:49,947 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 [2022-11-16 12:20:49,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:20:49,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:49,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:49,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:49,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:49,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:49,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:49,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:49,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:49,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:49,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:49,992 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:49,996 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 [2022-11-16 12:20:50,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:20:50,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:50,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:50,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:50,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,017 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:20:50,019 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 [2022-11-16 12:20:50,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:50,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,063 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:20:50,065 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 [2022-11-16 12:20:50,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:50,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-16 12:20:50,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,088 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:20:50,090 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 [2022-11-16 12:20:50,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:50,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-16 12:20:50,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,128 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,132 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 [2022-11-16 12:20:50,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:20:50,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:50,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,187 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,195 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 [2022-11-16 12:20:50,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:50,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:50,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:50,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:20:50,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,239 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:20:50,244 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 [2022-11-16 12:20:50,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:50,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:50,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:50,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-16 12:20:50,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,262 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:20:50,266 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 [2022-11-16 12:20:50,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:50,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-16 12:20:50,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,311 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:20:50,314 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 [2022-11-16 12:20:50,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:50,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,360 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,371 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 [2022-11-16 12:20:50,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:20:50,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:50,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,397 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:20:50,399 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 [2022-11-16 12:20:50,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:50,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:50,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:50,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-16 12:20:50,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,416 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:20:50,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:50,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,429 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-11-16 12:20:50,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,438 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-16 12:20:50,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:50,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,476 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,479 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 [2022-11-16 12:20:50,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:50,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:50,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:50,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:50,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:20:50,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:50,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:50,530 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:20:50,556 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 12:20:50,556 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-16 12:20:50,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:50,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:50,560 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:50,562 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:20:50,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:20:50,599 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:20:50,599 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:20:50,599 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~j~0#1) = 2*ULTIMATE.start_entry_point_~j~0#1 + 1 Supporting invariants [] [2022-11-16 12:20:50,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,622 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-16 12:20:50,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:50,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:20:50,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:50,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:20:50,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:50,730 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 [2022-11-16 12:20:50,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:50,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 41 transitions. Complement of second has 4 states. [2022-11-16 12:20:50,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:20:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2022-11-16 12:20:50,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2022-11-16 12:20:50,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:50,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2022-11-16 12:20:50,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:50,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-16 12:20:50,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:50,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2022-11-16 12:20:50,743 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:20:50,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2022-11-16 12:20:50,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:20:50,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:20:50,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:20:50,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:50,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:20:50,744 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:20:50,745 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:20:50,745 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:20:50,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:20:50,745 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:20:50,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:20:50,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:20:50 BoogieIcfgContainer [2022-11-16 12:20:50,753 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:20:50,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:20:50,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:20:50,754 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:20:50,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:41" (3/4) ... [2022-11-16 12:20:50,757 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:20:50,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:20:50,758 INFO L158 Benchmark]: Toolchain (without parser) took 10912.28ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 67.8MB in the beginning and 55.3MB in the end (delta: 12.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2022-11-16 12:20:50,759 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:20:50,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.86ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 65.8MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:20:50,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.76ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 63.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:20:50,760 INFO L158 Benchmark]: Boogie Preprocessor took 61.22ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 62.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:20:50,761 INFO L158 Benchmark]: RCFGBuilder took 558.57ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 50.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:20:50,761 INFO L158 Benchmark]: BuchiAutomizer took 9332.66ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 50.1MB in the beginning and 55.3MB in the end (delta: -5.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-16 12:20:50,761 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 148.9MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:20:50,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.86ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 65.8MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.76ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 63.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.22ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 62.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.57ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 50.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 9332.66ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 50.1MB in the beginning and 55.3MB in the end (delta: -5.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 148.9MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + len and consists of 4 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 8.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 205 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 125 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 117 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital231 mio100 ax114 hnf100 lsp81 ukn61 mio100 lsp52 div175 bol100 ite100 ukn100 eq165 hnf92 smp74 dnf111 smp91 tf100 neg98 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 77ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:20:50,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:50,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-11-16 12:20:51,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d18b1a2-9bf6-47f9-8d27-93573cd3dc64/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE