./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/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_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/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 64bit --witnessprinter.graph.data.programhash e23f623e36810418f8259db464ff0229ef2650c877ad54b7024836b278c00de1 --- 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 12:24:55,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:24:55,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:24:55,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:24:55,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:24:55,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:24:55,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:24:55,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:24:55,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:24:55,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:24:55,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:24:55,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:24:55,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:24:55,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:24:55,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:24:55,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:24:55,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:24:55,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:24:55,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:24:55,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:24:55,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:24:55,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:24:55,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:24:55,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:24:55,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:24:55,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:24:55,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:24:55,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:24:55,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:24:55,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:24:55,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:24:55,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:24:55,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:24:55,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:24:55,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:24:55,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:24:55,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:24:55,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:24:55,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:24:55,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:24:55,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:24:55,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:24:55,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:24:55,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:24:55,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:24:55,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:24:55,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:24:55,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:24:55,812 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:24:55,812 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:24:55,812 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:24:55,813 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:24:55,814 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:24:55,814 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:24:55,814 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:24:55,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:24:55,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:24:55,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:24:55,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:24:55,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:24:55,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:24:55,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:24:55,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:24:55,817 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:24:55,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:24:55,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:24:55,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:24:55,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:24:55,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:24:55,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:24:55,819 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:24:55,820 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_2db1f86e-57a5-477d-95af-0d9ca4b61aff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e23f623e36810418f8259db464ff0229ef2650c877ad54b7024836b278c00de1 [2022-11-16 12:24:56,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:24:56,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:24:56,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:24:56,141 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:24:56,142 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:24:56,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i [2022-11-16 12:24:56,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/data/671e5beab/18b56e794adf495d9cc3b0210219f600/FLAG3a64fc005 [2022-11-16 12:24:56,737 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:24:56,738 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i [2022-11-16 12:24:56,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/data/671e5beab/18b56e794adf495d9cc3b0210219f600/FLAG3a64fc005 [2022-11-16 12:24:57,093 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/data/671e5beab/18b56e794adf495d9cc3b0210219f600 [2022-11-16 12:24:57,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:24:57,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:24:57,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:24:57,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:24:57,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:24:57,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31823ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57, skipping insertion in model container [2022-11-16 12:24:57,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:24:57,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:24:57,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:24:57,511 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:24:57,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:24:57,602 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:24:57,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57 WrapperNode [2022-11-16 12:24:57,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:24:57,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:24:57,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:24:57,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:24:57,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,659 INFO L138 Inliner]: procedures = 109, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-11-16 12:24:57,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:24:57,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:24:57,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:24:57,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:24:57,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,695 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:24:57,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:24:57,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:24:57,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:24:57,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (1/1) ... [2022-11-16 12:24:57,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:57,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:57,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:57,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:24:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:24:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:24:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:24:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:24:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:24:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:24:57,912 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:24:57,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:24:58,114 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:24:58,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:24:58,119 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:24:58,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:58 BoogieIcfgContainer [2022-11-16 12:24:58,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:24:58,121 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:24:58,121 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:24:58,129 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:24:58,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:24:58,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:24:57" (1/3) ... [2022-11-16 12:24:58,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@174e8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:24:58, skipping insertion in model container [2022-11-16 12:24:58,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:24:58,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:57" (2/3) ... [2022-11-16 12:24:58,132 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@174e8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:24:58, skipping insertion in model container [2022-11-16 12:24:58,132 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:24:58,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:58" (3/3) ... [2022-11-16 12:24:58,133 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Nested-alloca.i [2022-11-16 12:24:58,233 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:24:58,233 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:24:58,233 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:24:58,233 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:24:58,233 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:24:58,233 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:24:58,234 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:24:58,234 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:24:58,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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 12:24:58,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:24:58,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:58,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:58,263 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:58,263 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:24:58,263 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:24:58,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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 12:24:58,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:24:58,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:58,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:58,269 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:58,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:24:58,277 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 5#L552-4true [2022-11-16 12:24:58,278 INFO L750 eck$LassoCheckResult]: Loop: 5#L552-4true call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 12#L552-1true assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 11#L553-4true assume !true; 4#L552-3true call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 5#L552-4true [2022-11-16 12:24:58,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:58,288 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:24:58,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:58,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938228328] [2022-11-16 12:24:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:58,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:58,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:58,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:58,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1113608, now seen corresponding path program 1 times [2022-11-16 12:24:58,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:58,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386011087] [2022-11-16 12:24:58,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:58,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:58,651 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 12:24:58,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:58,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386011087] [2022-11-16 12:24:58,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386011087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:58,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:58,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:58,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555394332] [2022-11-16 12:24:58,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:58,657 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:24:58,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:58,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:24:58,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:24:58,697 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:58,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:58,710 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2022-11-16 12:24:58,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2022-11-16 12:24:58,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:24:58,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 9 transitions. [2022-11-16 12:24:58,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-16 12:24:58,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-16 12:24:58,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2022-11-16 12:24:58,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:58,719 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-16 12:24:58,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2022-11-16 12:24:58,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-16 12:24:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:58,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-11-16 12:24:58,740 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-16 12:24:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:24:58,747 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-16 12:24:58,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:24:58,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-11-16 12:24:58,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:24:58,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:58,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:58,750 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:58,750 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-16 12:24:58,751 INFO L748 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 35#L552-4 [2022-11-16 12:24:58,751 INFO L750 eck$LassoCheckResult]: Loop: 35#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 36#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 38#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 39#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 34#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 35#L552-4 [2022-11-16 12:24:58,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:58,754 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-16 12:24:58,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:58,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097262007] [2022-11-16 12:24:58,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:58,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:58,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:58,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:58,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:58,806 INFO L85 PathProgramCache]: Analyzing trace with hash 34512977, now seen corresponding path program 1 times [2022-11-16 12:24:58,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:58,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656572037] [2022-11-16 12:24:58,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:58,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:58,997 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 12:24:58,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:58,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656572037] [2022-11-16 12:24:58,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656572037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:58,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:58,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:24:58,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325337525] [2022-11-16 12:24:58,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:58,999 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:24:58,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:59,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:24:59,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:24:59,000 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.25) 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 12:24:59,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:59,047 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2022-11-16 12:24:59,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2022-11-16 12:24:59,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-16 12:24:59,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 12 transitions. [2022-11-16 12:24:59,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:24:59,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:24:59,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 12 transitions. [2022-11-16 12:24:59,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:59,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-11-16 12:24:59,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 12 transitions. [2022-11-16 12:24:59,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-11-16 12:24:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 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 12:24:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-11-16 12:24:59,051 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-16 12:24:59,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:24:59,052 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-16 12:24:59,053 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:24:59,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2022-11-16 12:24:59,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 12:24:59,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:59,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:59,054 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:59,054 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:59,054 INFO L748 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 63#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 61#L552-4 [2022-11-16 12:24:59,054 INFO L750 eck$LassoCheckResult]: Loop: 61#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 64#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 68#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 67#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 65#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 66#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 69#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 60#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 61#L552-4 [2022-11-16 12:24:59,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:59,055 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2022-11-16 12:24:59,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:59,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112849870] [2022-11-16 12:24:59,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:59,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:59,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:59,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:59,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:59,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1680656940, now seen corresponding path program 1 times [2022-11-16 12:24:59,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:59,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316975458] [2022-11-16 12:24:59,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:59,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:59,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:59,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316975458] [2022-11-16 12:24:59,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316975458] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:24:59,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843543155] [2022-11-16 12:24:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:59,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:24:59,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:59,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:24:59,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:24:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:59,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-16 12:24:59,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:59,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 12:24:59,829 INFO L321 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2022-11-16 12:24:59,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 66 [2022-11-16 12:24:59,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-16 12:24:59,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 12:24:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:59,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:25:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:00,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843543155] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:25:00,007 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:25:00,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2022-11-16 12:25:00,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361852525] [2022-11-16 12:25:00,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:25:00,008 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:25:00,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:00,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:25:00,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:25:00,009 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. cyclomatic complexity: 2 Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:00,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:00,113 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2022-11-16 12:25:00,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 21 transitions. [2022-11-16 12:25:00,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2022-11-16 12:25:00,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 21 transitions. [2022-11-16 12:25:00,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-16 12:25:00,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-16 12:25:00,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 21 transitions. [2022-11-16 12:25:00,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:25:00,116 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 21 transitions. [2022-11-16 12:25:00,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 21 transitions. [2022-11-16 12:25:00,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-16 12:25:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 18 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 12:25:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-11-16 12:25:00,118 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-11-16 12:25:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:25:00,119 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-11-16 12:25:00,119 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:25:00,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 20 transitions. [2022-11-16 12:25:00,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2022-11-16 12:25:00,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:25:00,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:25:00,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:25:00,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-16 12:25:00,121 INFO L748 eck$LassoCheckResult]: Stem: 153#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 154#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 152#L552-4 [2022-11-16 12:25:00,121 INFO L750 eck$LassoCheckResult]: Loop: 152#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 155#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 160#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 169#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 156#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 157#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 158#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 159#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 168#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 167#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 166#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 165#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 164#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 162#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 163#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 161#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 151#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 152#L552-4 [2022-11-16 12:25:00,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:00,122 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2022-11-16 12:25:00,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:00,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910235807] [2022-11-16 12:25:00,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:00,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:25:00,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:25:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:25:00,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:25:00,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:00,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1241080977, now seen corresponding path program 2 times [2022-11-16 12:25:00,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:00,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677777941] [2022-11-16 12:25:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:00,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:02,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:02,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677777941] [2022-11-16 12:25:02,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677777941] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:02,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439963327] [2022-11-16 12:25:02,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:25:02,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:02,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:02,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:02,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:25:02,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:25:02,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:25:02,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-16 12:25:02,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:02,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 12:25:02,639 INFO L321 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2022-11-16 12:25:02,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 66 [2022-11-16 12:25:02,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2022-11-16 12:25:02,842 INFO L321 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2022-11-16 12:25:02,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 80 [2022-11-16 12:25:02,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2022-11-16 12:25:03,077 INFO L321 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2022-11-16 12:25:03,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 80 [2022-11-16 12:25:03,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2022-11-16 12:25:03,291 INFO L321 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2022-11-16 12:25:03,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 80 [2022-11-16 12:25:03,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-16 12:25:03,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 12:25:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:03,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:32:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:32:14,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439963327] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:32:14,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:32:14,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 22 [2022-11-16 12:32:14,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667828824] [2022-11-16 12:32:14,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:32:14,653 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:32:14,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:32:14,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-16 12:32:14,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=279, Unknown=34, NotChecked=0, Total=462 [2022-11-16 12:32:14,655 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. cyclomatic complexity: 2 Second operand has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 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 12:32:15,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:32:15,061 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-11-16 12:32:15,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2022-11-16 12:32:15,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2022-11-16 12:32:15,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 24 transitions. [2022-11-16 12:32:15,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-16 12:32:15,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-16 12:32:15,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 24 transitions. [2022-11-16 12:32:15,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:32:15,063 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-16 12:32:15,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 24 transitions. [2022-11-16 12:32:15,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-16 12:32:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 21 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 12:32:15,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-16 12:32:15,066 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-16 12:32:15,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:32:15,067 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-16 12:32:15,067 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:32:15,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 23 transitions. [2022-11-16 12:32:15,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2022-11-16 12:32:15,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:32:15,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:32:15,069 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:32:15,069 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 5, 5, 1, 1, 1, 1] [2022-11-16 12:32:15,070 INFO L748 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 319#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 321#L552-4 [2022-11-16 12:32:15,070 INFO L750 eck$LassoCheckResult]: Loop: 321#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 322#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 327#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 339#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 323#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 324#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 325#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 326#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 338#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 337#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 336#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 335#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 334#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 333#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 332#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 331#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 329#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 330#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 328#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 320#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 321#L552-4 [2022-11-16 12:32:15,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:15,070 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2022-11-16 12:32:15,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:15,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248539835] [2022-11-16 12:32:15,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:15,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:15,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:15,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:32:15,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:15,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1966644716, now seen corresponding path program 3 times [2022-11-16 12:32:15,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:15,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061885758] [2022-11-16 12:32:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:15,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:15,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:15,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:32:15,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:15,177 INFO L85 PathProgramCache]: Analyzing trace with hash -872207186, now seen corresponding path program 1 times [2022-11-16 12:32:15,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:15,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467037016] [2022-11-16 12:32:15,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:15,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:32:16,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:32:16,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467037016] [2022-11-16 12:32:16,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467037016] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:32:16,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199695821] [2022-11-16 12:32:16,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:16,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:32:16,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:32:16,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:32:16,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:32:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:16,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 12:32:16,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:32:17,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-16 12:32:17,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 12:32:17,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2022-11-16 12:32:17,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 12:32:17,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-16 12:32:17,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2022-11-16 12:32:17,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 12:32:17,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-16 12:32:17,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2022-11-16 12:32:17,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 12:32:17,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-16 12:32:17,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2022-11-16 12:32:17,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 12:32:17,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-16 12:32:17,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2022-11-16 12:32:17,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 12:32:17,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-16 12:32:17,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 12:32:17,402 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:32:17,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:32:41,842 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_469 (Array Int Int)) (v_ArrVal_471 Int) (v_ArrVal_470 Int) (v_ArrVal_475 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base|))) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~j~0#1.offset| v_ArrVal_470)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_469))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~j~0#1.base|))) (or (not (<= (+ v_ArrVal_470 1) (select .cse0 |c_ULTIMATE.start_main_~j~0#1.offset|))) (< (select (select (store (store .cse1 |c_ULTIMATE.start_main_~j~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~j~0#1.offset| (+ v_ArrVal_471 (- 1)))) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~j~0#1.base|) |c_ULTIMATE.start_main_~j~0#1.offset|) 10) (not (<= v_ArrVal_471 (+ 2 (select .cse2 |c_ULTIMATE.start_main_~j~0#1.offset|))))))))) is different from false [2022-11-16 12:32:41,901 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_469 (Array Int Int)) (v_ArrVal_471 Int) (v_ArrVal_470 Int) (v_ArrVal_475 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base|))) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~j~0#1.offset| v_ArrVal_470)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_469))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~j~0#1.base|))) (or (< (+ (select .cse0 |c_ULTIMATE.start_main_~j~0#1.offset|) 1) v_ArrVal_470) (< (select (select (store (store .cse1 |c_ULTIMATE.start_main_~j~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~j~0#1.offset| (+ v_ArrVal_471 (- 1)))) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~j~0#1.base|) |c_ULTIMATE.start_main_~j~0#1.offset|) 10) (not (<= v_ArrVal_471 (+ 2 (select .cse2 |c_ULTIMATE.start_main_~j~0#1.offset|))))))))) is different from false [2022-11-16 12:32:41,946 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_469 (Array Int Int)) (v_ArrVal_465 Int) (v_ArrVal_471 Int) (v_ArrVal_470 Int) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base|))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~j~0#1.offset| v_ArrVal_465)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_464))) (let ((.cse2 (select .cse4 |c_ULTIMATE.start_main_~j~0#1.base|))) (let ((.cse0 (store (store .cse4 |c_ULTIMATE.start_main_~j~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~j~0#1.offset| v_ArrVal_470)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_469))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~j~0#1.base|))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~j~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~j~0#1.offset| (+ v_ArrVal_471 (- 1)))) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~j~0#1.base|) |c_ULTIMATE.start_main_~j~0#1.offset|) 10) (not (<= v_ArrVal_471 (+ 2 (select .cse1 |c_ULTIMATE.start_main_~j~0#1.offset|)))) (< (+ (select .cse2 |c_ULTIMATE.start_main_~j~0#1.offset|) 1) v_ArrVal_470) (not (<= (+ v_ArrVal_465 1) (select .cse3 |c_ULTIMATE.start_main_~j~0#1.offset|)))))))))) is different from false [2022-11-16 12:32:42,034 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_469 (Array Int Int)) (v_ArrVal_465 Int) (v_ArrVal_471 Int) (v_ArrVal_470 Int) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base|))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~j~0#1.offset| v_ArrVal_465)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_464))) (let ((.cse3 (select .cse4 |c_ULTIMATE.start_main_~j~0#1.base|))) (let ((.cse0 (store (store .cse4 |c_ULTIMATE.start_main_~j~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~j~0#1.offset| v_ArrVal_470)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_469))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~j~0#1.base|))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~j~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~j~0#1.offset| (+ v_ArrVal_471 (- 1)))) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~j~0#1.base|) |c_ULTIMATE.start_main_~j~0#1.offset|) 10) (< (+ (select .cse2 |c_ULTIMATE.start_main_~j~0#1.offset|) 1) v_ArrVal_465) (not (<= v_ArrVal_471 (+ 2 (select .cse1 |c_ULTIMATE.start_main_~j~0#1.offset|)))) (< (+ (select .cse3 |c_ULTIMATE.start_main_~j~0#1.offset|) 1) v_ArrVal_470)))))))) is different from false [2022-11-16 12:35:19,884 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 12:35:19,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 767 treesize of output 467 [2022-11-16 12:35:19,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 902 treesize of output 894 [2022-11-16 12:35:19,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-11-16 12:35:19,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 110 [2022-11-16 12:35:20,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 246 [2022-11-16 12:35:20,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2022-11-16 12:35:20,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 438 treesize of output 406 [2022-11-16 12:35:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 13 refuted. 2 times theorem prover too weak. 0 trivial. 25 not checked. [2022-11-16 12:35:20,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199695821] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:35:20,186 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:35:20,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 15] total 28 [2022-11-16 12:35:20,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533065592] [2022-11-16 12:35:20,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:35:36,054 WARN L233 SmtUtils]: Spent 15.86s on a formula simplification. DAG size of input: 169 DAG size of output: 158 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:35:39,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:35:39,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-16 12:35:39,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=330, Unknown=31, NotChecked=188, Total=756 [2022-11-16 12:35:39,223 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. cyclomatic complexity: 2 Second operand has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 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 12:35:40,160 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base|))) (let ((.cse0 (select .cse3 |c_ULTIMATE.start_main_~j~0#1.offset|))) (and (forall ((v_ArrVal_469 (Array Int Int)) (v_ArrVal_471 Int) (v_ArrVal_470 Int) (v_ArrVal_475 (Array Int Int))) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~j~0#1.offset| v_ArrVal_470)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_469))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~j~0#1.base|))) (or (< (+ .cse0 1) v_ArrVal_470) (< (select (select (store (store .cse1 |c_ULTIMATE.start_main_~j~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~j~0#1.offset| (+ v_ArrVal_471 (- 1)))) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~j~0#1.base|) |c_ULTIMATE.start_main_~j~0#1.offset|) 10) (not (<= v_ArrVal_471 (+ 2 (select .cse2 |c_ULTIMATE.start_main_~j~0#1.offset|)))))))) (forall ((v_ArrVal_471 Int) (v_ArrVal_475 (Array Int Int))) (or (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~j~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~j~0#1.offset| (+ v_ArrVal_471 (- 1)))) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~j~0#1.base|) |c_ULTIMATE.start_main_~j~0#1.offset|) 10) (not (<= v_ArrVal_471 (+ .cse0 2)))))))) is different from false [2022-11-16 12:36:04,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:04,934 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2022-11-16 12:36:04,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 52 transitions. [2022-11-16 12:36:04,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2022-11-16 12:36:04,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 52 transitions. [2022-11-16 12:36:04,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51 [2022-11-16 12:36:04,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51 [2022-11-16 12:36:04,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 52 transitions. [2022-11-16 12:36:04,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:36:04,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 52 transitions. [2022-11-16 12:36:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 52 transitions. [2022-11-16 12:36:04,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 36. [2022-11-16 12:36:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 35 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:36:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2022-11-16 12:36:04,943 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 37 transitions. [2022-11-16 12:36:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-16 12:36:04,953 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 37 transitions. [2022-11-16 12:36:04,954 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:36:04,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 37 transitions. [2022-11-16 12:36:04,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2022-11-16 12:36:04,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:36:04,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:36:04,957 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 1, 1, 1, 1] [2022-11-16 12:36:04,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 5, 5, 1, 1, 1, 1] [2022-11-16 12:36:04,958 INFO L748 eck$LassoCheckResult]: Stem: 584#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 585#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 591#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 592#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 593#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 617#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 587#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 588#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 589#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 590#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 616#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 615#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 614#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 613#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 612#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 611#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 610#L553-4 [2022-11-16 12:36:04,958 INFO L750 eck$LassoCheckResult]: Loop: 610#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 609#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 608#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 607#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 606#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 605#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 604#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 603#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 602#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 601#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 600#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 599#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 598#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 597#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 595#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 596#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 594#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 582#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 583#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 586#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 610#L553-4 [2022-11-16 12:36:04,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:04,959 INFO L85 PathProgramCache]: Analyzing trace with hash 384495752, now seen corresponding path program 1 times [2022-11-16 12:36:04,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:04,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552902714] [2022-11-16 12:36:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:36:05,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:36:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:36:05,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:36:05,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash 440091564, now seen corresponding path program 4 times [2022-11-16 12:36:05,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:05,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706732880] [2022-11-16 12:36:05,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:36:05,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:36:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:36:05,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:36:05,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:05,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1560827213, now seen corresponding path program 2 times [2022-11-16 12:36:05,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:05,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558325401] [2022-11-16 12:36:05,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:05,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:36:05,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:36:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:36:05,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:36:19,443 WARN L233 SmtUtils]: Spent 14.12s on a formula simplification. DAG size of input: 169 DAG size of output: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:36:35,920 WARN L233 SmtUtils]: Spent 13.59s on a formula simplification. DAG size of input: 190 DAG size of output: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:36:39,576 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:36:39,577 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:36:39,577 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:36:39,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:36:39,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:36:39,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:39,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:36:39,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:36:39,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration6_Lasso [2022-11-16 12:36:39,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:36:39,579 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:36:39,597 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 12:36:39,612 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 12:36:39,617 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 12:36:39,620 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 12:36:39,625 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 12:36:39,631 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 12:36:39,634 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 12:36:39,636 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 12:36:39,642 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 12:36:39,649 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 12:36:39,652 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 12:36:39,655 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 12:36:39,658 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 12:36:46,354 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 12:36:46,359 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 12:36:46,361 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 12:36:46,364 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 12:36:47,371 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:36:47,376 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:36:47,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:36:47,388 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 12:36:47,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-16 12:36:47,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,425 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:36:47,432 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 12:36:47,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,473 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:36:47,475 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 12:36:47,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:47,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:47,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:47,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,494 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:36:47,499 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 12:36:47,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,562 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:36:47,567 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 12:36:47,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,588 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:36:47,596 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 12:36:47,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:47,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:47,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:47,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-11-16 12:36:47,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,624 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,627 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 12:36:47,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:36:47,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:47,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:47,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:47,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-11-16 12:36:47,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,647 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:36:47,650 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 12:36:47,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,670 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:36:47,675 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 12:36:47,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,702 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:36:47,706 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 12:36:47,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:47,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:47,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:47,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,723 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:36:47,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:47,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:47,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:47,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:47,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,745 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:36:47,747 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 12:36:47,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:36:47,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:36:47,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:36:47,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-11-16 12:36:47,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,765 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:36:47,768 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 12:36:47,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,803 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:36:47,812 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 12:36:47,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:47,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,859 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:36:47,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:36:47,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-11-16 12:36:47,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,936 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:36:47,946 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 12:36:47,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:47,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:47,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:47,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:47,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:47,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:47,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:36:47,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-16 12:36:47,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:47,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:47,985 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:47,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:36:47,991 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 12:36:48,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:36:48,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:36:48,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:36:48,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:36:48,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:36:48,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:36:48,010 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:36:48,023 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-16 12:36:48,023 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-16 12:36:48,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:36:48,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:48,030 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:48,032 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:36:48,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:36:48,056 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:36:48,057 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:36:48,057 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 + 17 Supporting invariants [] [2022-11-16 12:36:48,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:48,364 INFO L156 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2022-11-16 12:36:48,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:48,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:36:48,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:36:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:48,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 91 conjunts are in the unsatisfiable core [2022-11-16 12:36:48,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:36:48,973 INFO L321 Elim1Store]: treesize reduction 57, result has 57.1 percent of original size [2022-11-16 12:36:48,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 116 [2022-11-16 12:36:50,001 INFO L321 Elim1Store]: treesize reduction 44, result has 55.6 percent of original size [2022-11-16 12:36:50,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 95 treesize of output 129 [2022-11-16 12:36:50,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:51,134 INFO L321 Elim1Store]: treesize reduction 57, result has 57.1 percent of original size [2022-11-16 12:36:51,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 205 treesize of output 216 [2022-11-16 12:36:52,542 INFO L321 Elim1Store]: treesize reduction 44, result has 55.6 percent of original size [2022-11-16 12:36:52,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 99 [2022-11-16 12:36:53,606 INFO L321 Elim1Store]: treesize reduction 57, result has 57.1 percent of original size [2022-11-16 12:36:53,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 176 treesize of output 191 [2022-11-16 12:36:56,044 INFO L321 Elim1Store]: treesize reduction 44, result has 55.6 percent of original size [2022-11-16 12:36:56,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 226 treesize of output 232 [2022-11-16 12:36:58,865 INFO L321 Elim1Store]: treesize reduction 57, result has 57.1 percent of original size [2022-11-16 12:36:58,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 253 treesize of output 248 [2022-11-16 12:37:00,808 INFO L321 Elim1Store]: treesize reduction 44, result has 55.6 percent of original size [2022-11-16 12:37:00,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 292 treesize of output 282 [2022-11-16 12:37:04,188 INFO L321 Elim1Store]: treesize reduction 57, result has 57.1 percent of original size [2022-11-16 12:37:04,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 255 treesize of output 250 [2022-11-16 12:37:07,660 INFO L321 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2022-11-16 12:37:07,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 96 [2022-11-16 12:37:08,455 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-16 12:37:08,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 90 [2022-11-16 12:37:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:37:09,057 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 17 loop predicates [2022-11-16 12:37:09,059 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 37 transitions. cyclomatic complexity: 2 Second operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:16,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 37 transitions. cyclomatic complexity: 2. Second operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 96 transitions. Complement of second has 38 states. [2022-11-16 12:37:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 1 stem states 18 non-accepting loop states 1 accepting loop states [2022-11-16 12:37:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2022-11-16 12:37:16,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 29 transitions. Stem has 16 letters. Loop has 20 letters. [2022-11-16 12:37:16,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:37:16,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 29 transitions. Stem has 36 letters. Loop has 20 letters. [2022-11-16 12:37:16,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:37:16,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 29 transitions. Stem has 16 letters. Loop has 40 letters. [2022-11-16 12:37:16,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:37:16,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 96 transitions. [2022-11-16 12:37:16,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:37:16,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 90 states and 93 transitions. [2022-11-16 12:37:16,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2022-11-16 12:37:16,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2022-11-16 12:37:16,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 93 transitions. [2022-11-16 12:37:16,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:37:16,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 93 transitions. [2022-11-16 12:37:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 93 transitions. [2022-11-16 12:37:16,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 40. [2022-11-16 12:37:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 states have internal predecessors, (43), 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 12:37:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-11-16 12:37:16,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-16 12:37:16,245 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-16 12:37:16,245 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:37:16,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 43 transitions. [2022-11-16 12:37:16,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:37:16,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:37:16,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:37:16,248 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:37:16,248 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:37:16,248 INFO L748 eck$LassoCheckResult]: Stem: 1009#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1010#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 1011#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 1012#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 1021#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1046#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1045#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1044#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1018#L553-1 [2022-11-16 12:37:16,248 INFO L750 eck$LassoCheckResult]: Loop: 1018#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1014#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1015#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1018#L553-1 [2022-11-16 12:37:16,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:16,249 INFO L85 PathProgramCache]: Analyzing trace with hash 149953318, now seen corresponding path program 2 times [2022-11-16 12:37:16,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:16,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816402832] [2022-11-16 12:37:16,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:16,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:16,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:37:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:16,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:37:16,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:16,320 INFO L85 PathProgramCache]: Analyzing trace with hash 49708, now seen corresponding path program 1 times [2022-11-16 12:37:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:16,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164316873] [2022-11-16 12:37:16,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:16,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:16,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:37:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:16,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:37:16,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:16,338 INFO L85 PathProgramCache]: Analyzing trace with hash 493328615, now seen corresponding path program 3 times [2022-11-16 12:37:16,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:16,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416373546] [2022-11-16 12:37:16,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:16,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:16,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:37:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:16,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:37:18,903 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:37:18,904 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:37:18,904 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:37:18,904 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:37:18,904 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:37:18,904 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:18,904 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:37:18,904 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:37:18,904 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration7_Lasso [2022-11-16 12:37:18,905 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:37:18,905 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:37:18,908 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 12:37:18,915 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 12:37:18,920 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 12:37:18,922 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 12:37:19,615 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 12:37:19,619 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 12:37:19,622 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 12:37:19,626 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 12:37:19,629 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 12:37:19,631 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 12:37:19,636 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 12:37:19,638 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 12:37:19,640 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 12:37:19,645 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 12:37:19,648 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 12:37:20,535 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:37:20,536 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:37:20,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,542 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:37:20,546 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 12:37:20,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:37:20,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:37:20,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:37:20,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:37:20,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,562 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:37:20,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:37:20,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:37:20,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:37:20,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:37:20,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,585 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:37:20,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:37:20,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:37:20,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:37:20,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:37:20,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:37:20,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,604 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:37:20,607 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 12:37:20,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:37:20,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:37:20,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:37:20,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,627 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,631 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 12:37:20,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:37:20,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:37:20,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:37:20,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:37:20,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,651 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,653 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 12:37:20,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:37:20,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:37:20,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:37:20,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:37:20,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,676 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:37:20,679 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 12:37:20,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:37:20,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:37:20,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:37:20,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,709 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:37:20,711 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 12:37:20,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:37:20,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:37:20,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:37:20,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,769 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,775 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 12:37:20,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:37:20,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:37:20,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:37:20,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:37:20,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:37:20,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:37:20,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:37:20,803 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:37:20,816 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-16 12:37:20,816 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-16 12:37:20,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:37:20,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:20,818 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:20,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:37:20,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:37:20,832 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 12:37:20,832 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:37:20,832 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_2 + 23 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_2 + 1*ULTIMATE.start_main_#t~mem9#1 >= 0] [2022-11-16 12:37:20,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:20,930 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2022-11-16 12:37:20,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:21,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:37:21,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:37:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:21,075 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-16 12:37:21,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:37:21,168 INFO L321 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2022-11-16 12:37:21,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 73 [2022-11-16 12:37:21,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2022-11-16 12:37:21,408 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 12:37:21,408 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-16 12:37:21,408 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 12:37:21,530 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 79 states and 85 transitions. Complement of second has 8 states. [2022-11-16 12:37:21,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:37:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 12:37:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-11-16 12:37:21,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2022-11-16 12:37:21,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:37:21,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 11 letters. Loop has 3 letters. [2022-11-16 12:37:21,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:37:21,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 6 letters. [2022-11-16 12:37:21,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:37:21,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 85 transitions. [2022-11-16 12:37:21,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:37:21,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 57 states and 60 transitions. [2022-11-16 12:37:21,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-16 12:37:21,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-16 12:37:21,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 60 transitions. [2022-11-16 12:37:21,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:37:21,538 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 60 transitions. [2022-11-16 12:37:21,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 60 transitions. [2022-11-16 12:37:21,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2022-11-16 12:37:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 states have internal predecessors, (59), 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 12:37:21,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2022-11-16 12:37:21,543 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 59 transitions. [2022-11-16 12:37:21,543 INFO L428 stractBuchiCegarLoop]: Abstraction has 56 states and 59 transitions. [2022-11-16 12:37:21,544 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:37:21,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 59 transitions. [2022-11-16 12:37:21,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:37:21,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:37:21,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:37:21,546 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 9, 9, 2, 2, 1, 1, 1, 1] [2022-11-16 12:37:21,546 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:37:21,547 INFO L748 eck$LassoCheckResult]: Stem: 1276#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1277#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 1280#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 1281#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 1290#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1287#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1288#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1331#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1289#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1285#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1286#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1291#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1330#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1329#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1328#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1327#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1326#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1325#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1324#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1323#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1322#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1321#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1320#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1319#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1318#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1317#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1316#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1315#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1314#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1301#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1302#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1300#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1293#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 1278#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 1279#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 1282#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 1292#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1294#L553-1 [2022-11-16 12:37:21,547 INFO L750 eck$LassoCheckResult]: Loop: 1294#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 1283#L553-3 call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 1284#L553-4 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 1294#L553-1 [2022-11-16 12:37:21,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:21,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1141003332, now seen corresponding path program 3 times [2022-11-16 12:37:21,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:21,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598537715] [2022-11-16 12:37:21,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:21,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:21,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:37:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:21,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:37:21,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:21,675 INFO L85 PathProgramCache]: Analyzing trace with hash 49708, now seen corresponding path program 2 times [2022-11-16 12:37:21,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:21,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221357587] [2022-11-16 12:37:21,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:21,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:21,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:37:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:21,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:37:21,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:21,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1259063151, now seen corresponding path program 4 times [2022-11-16 12:37:21,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:21,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637213539] [2022-11-16 12:37:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:21,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:37:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:37:21,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:22,716 WARN L233 SmtUtils]: Spent 2.01m on a formula simplification. DAG size of input: 327 DAG size of output: 291 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:39:48,303 WARN L233 SmtUtils]: Spent 13.94s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:39:48,307 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:39:48,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:39:48,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:39:48,308 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:39:48,308 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:39:48,308 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:48,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:39:48,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:39:48,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration8_Lasso [2022-11-16 12:39:48,308 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:39:48,308 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:39:48,309 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ArithmeticException: integer overflow at java.base/java.lang.Math.toIntExact(Math.java:1074) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis$PreprocessingBenchmark.(LassoAnalysis.java:551) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:255) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:615) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:908) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:819) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 12:39:48,312 INFO L158 Benchmark]: Toolchain (without parser) took 891213.87ms. Allocated memory was 102.8MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 69.4MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-11-16 12:39:48,313 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:39:48,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.01ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 72.8MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:39:48,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.58ms. Allocated memory is still 102.8MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:39:48,314 INFO L158 Benchmark]: Boogie Preprocessor took 36.70ms. Allocated memory is still 102.8MB. Free memory was 71.1MB in the beginning and 70.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:39:48,314 INFO L158 Benchmark]: RCFGBuilder took 422.41ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 58.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:39:48,315 INFO L158 Benchmark]: BuchiAutomizer took 890190.67ms. Allocated memory was 102.8MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 58.1MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-11-16 12:39:48,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.01ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 72.8MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.58ms. Allocated memory is still 102.8MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.70ms. Allocated memory is still 102.8MB. Free memory was 71.1MB in the beginning and 70.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.41ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 58.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 890190.67ms. Allocated memory was 102.8MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 58.1MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ArithmeticException: integer overflow de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ArithmeticException: integer overflow: java.base/java.lang.Math.toIntExact(Math.java:1074) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 12:39:48,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:48,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:48,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:48,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:49,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db1f86e-57a5-477d-95af-0d9ca4b61aff/bin/uautomizer-tPACEb0tL8/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: integer overflow