./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/phases_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40774f15dea268138f2179cc2f832c9729515e75ef9c65e50e7b347c749bb02c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:37:27,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:37:27,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:37:27,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:37:27,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:37:27,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:37:27,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:37:27,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:37:27,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:37:27,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:37:27,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:37:27,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:37:27,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:37:27,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:37:27,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:37:27,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:37:27,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:37:27,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:37:27,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:37:27,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:37:27,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:37:27,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:37:27,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:37:27,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:37:27,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:37:27,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:37:27,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:37:27,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:37:27,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:37:27,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:37:27,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:37:27,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:37:27,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:37:27,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:37:27,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:37:27,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:37:27,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:37:27,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:37:27,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:37:27,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:37:27,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:37:27,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 13:37:27,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:37:27,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:37:27,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:37:27,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:37:27,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:37:27,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:37:27,934 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:37:27,934 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:37:27,935 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:37:27,935 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:37:27,936 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:37:27,937 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:37:27,937 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:37:27,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:37:27,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:37:27,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:37:27,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:37:27,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:37:27,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:37:27,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:37:27,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:37:27,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:37:27,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:37:27,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:37:27,941 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:37:27,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:37:27,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:37:27,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:37:27,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:37:27,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:37:27,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:37:27,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:37:27,947 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:37:27,947 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_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40774f15dea268138f2179cc2f832c9729515e75ef9c65e50e7b347c749bb02c [2021-11-23 13:37:28,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:37:28,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:37:28,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:37:28,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:37:28,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:37:28,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/loop-acceleration/phases_2-1.c [2021-11-23 13:37:28,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/data/a503442ec/22a0b01a66be428ab6c1c466af300881/FLAG68e5d56e1 [2021-11-23 13:37:28,980 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:37:28,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/sv-benchmarks/c/loop-acceleration/phases_2-1.c [2021-11-23 13:37:28,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/data/a503442ec/22a0b01a66be428ab6c1c466af300881/FLAG68e5d56e1 [2021-11-23 13:37:29,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/data/a503442ec/22a0b01a66be428ab6c1c466af300881 [2021-11-23 13:37:29,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:37:29,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:37:29,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:37:29,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:37:29,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:37:29,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de4cc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29, skipping insertion in model container [2021-11-23 13:37:29,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:37:29,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:37:29,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/sv-benchmarks/c/loop-acceleration/phases_2-1.c[459,472] [2021-11-23 13:37:29,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:37:29,615 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:37:29,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/sv-benchmarks/c/loop-acceleration/phases_2-1.c[459,472] [2021-11-23 13:37:29,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:37:29,652 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:37:29,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29 WrapperNode [2021-11-23 13:37:29,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:37:29,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:37:29,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:37:29,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:37:29,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,694 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-23 13:37:29,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:37:29,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:37:29,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:37:29,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:37:29,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:37:29,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:37:29,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:37:29,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:37:29,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (1/1) ... [2021-11-23 13:37:29,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:29,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:29,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:29,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:37:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:37:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:37:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:37:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:37:29,881 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:37:29,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:37:30,022 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:37:30,030 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:37:30,031 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:37:30,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:30 BoogieIcfgContainer [2021-11-23 13:37:30,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:37:30,034 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:37:30,035 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:37:30,039 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:37:30,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:37:30,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:37:29" (1/3) ... [2021-11-23 13:37:30,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aa8edbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:37:30, skipping insertion in model container [2021-11-23 13:37:30,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:37:30,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:29" (2/3) ... [2021-11-23 13:37:30,045 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aa8edbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:37:30, skipping insertion in model container [2021-11-23 13:37:30,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:37:30,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:30" (3/3) ... [2021-11-23 13:37:30,047 INFO L388 chiAutomizerObserver]: Analyzing ICFG phases_2-1.c [2021-11-23 13:37:30,095 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:37:30,095 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:37:30,095 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:37:30,095 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:37:30,095 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:37:30,095 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:37:30,095 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:37:30,096 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:37:30,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:37:30,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:37:30,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:37:30,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:37:30,140 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 13:37:30,140 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:37:30,140 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:37:30,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:37:30,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:37:30,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:37:30,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:37:30,143 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 13:37:30,144 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:37:30,152 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := 1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8#L21true assume !!(main_~y~0#1 % 4294967296 > 0); 6#L24-2true [2021-11-23 13:37:30,153 INFO L793 eck$LassoCheckResult]: Loop: 6#L24-2true assume !!(main_~x~0#1 % 4294967296 < main_~y~0#1 % 4294967296); 10#L24true assume main_~x~0#1 % 4294967296 < (if main_~y~0#1 % 4294967296 < 0 && 0 != main_~y~0#1 % 4294967296 % (main_~x~0#1 % 4294967296) then (if main_~x~0#1 % 4294967296 < 0 then main_~y~0#1 % 4294967296 / (main_~x~0#1 % 4294967296) - 1 else 1 + main_~y~0#1 % 4294967296 / (main_~x~0#1 % 4294967296)) else main_~y~0#1 % 4294967296 / (main_~x~0#1 % 4294967296)) % 4294967296;main_~x~0#1 := main_~x~0#1 * main_~x~0#1; 6#L24-2true [2021-11-23 13:37:30,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:30,161 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-23 13:37:30,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:30,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127713130] [2021-11-23 13:37:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:30,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:30,339 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:30,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:30,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:30,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2021-11-23 13:37:30,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:30,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846209743] [2021-11-23 13:37:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:30,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:30,435 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 13:37:30,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359299425] [2021-11-23 13:37:30,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:30,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:37:30,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:30,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:37:30,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 13:37:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:30,514 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:30,529 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:30,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:30,532 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2021-11-23 13:37:30,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:30,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585895151] [2021-11-23 13:37:30,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:30,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:30,545 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 13:37:30,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843011649] [2021-11-23 13:37:30,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:30,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:37:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:30,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:37:30,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 13:37:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:30,720 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:30,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:31,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:37:31 BoogieIcfgContainer [2021-11-23 13:37:31,107 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:37:31,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:37:31,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:37:31,110 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:37:31,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:30" (3/4) ... [2021-11-23 13:37:31,115 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-23 13:37:31,163 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:37:31,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:37:31,165 INFO L158 Benchmark]: Toolchain (without parser) took 1817.26ms. Allocated memory is still 88.1MB. Free memory was 67.5MB in the beginning and 48.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-23 13:37:31,166 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 73.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:37:31,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.81ms. Allocated memory is still 88.1MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 13:37:31,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 88.1MB. Free memory was 65.2MB in the beginning and 63.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:37:31,168 INFO L158 Benchmark]: Boogie Preprocessor took 21.42ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 62.8MB in the end (delta: 951.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:37:31,169 INFO L158 Benchmark]: RCFGBuilder took 315.25ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 54.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:37:31,170 INFO L158 Benchmark]: BuchiAutomizer took 1073.45ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 49.7MB in the end (delta: 4.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 13:37:31,171 INFO L158 Benchmark]: Witness Printer took 54.52ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 48.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:37:31,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 73.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.81ms. Allocated memory is still 88.1MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 88.1MB. Free memory was 65.2MB in the beginning and 63.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.42ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 62.8MB in the end (delta: 951.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.25ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 54.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1073.45ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 49.7MB in the end (delta: 4.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 54.52ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 48.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 23]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {y=2, x=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fcb463e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@400cee07=0, NULL=1, \result=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 23]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L18] unsigned int x = 1; [L19] unsigned int y = __VERIFIER_nondet_uint(); [L21] COND FALSE !(!(y > 0)) Loop: [L23] COND TRUE x < y [L24] COND TRUE x < y / x [L25] x *= x End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 13:37:31,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 13:37:31,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 13:37:31,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500abf1b-a46f-4063-b320-6b58fea864a3/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)