./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/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_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/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_c1271de2-20f9-45ed-ac31-174d90d8eb68/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 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f --- 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 12:45:58,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:45:58,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:45:58,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:45:58,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:45:58,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:45:58,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:45:58,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:45:58,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:45:58,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:45:58,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:45:58,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:45:58,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:45:58,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:45:58,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:45:58,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:45:58,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:45:58,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:45:58,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:45:58,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:45:58,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:45:58,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:45:58,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:45:58,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:45:58,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:45:58,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:45:58,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:45:58,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:45:58,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:45:58,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:45:58,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:45:58,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:45:58,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:45:58,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:45:58,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:45:58,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:45:58,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:45:58,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:45:58,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:45:58,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:45:58,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:45:58,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:45:58,851 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:45:58,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:45:58,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:45:58,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:45:58,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:45:58,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:45:58,853 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:45:58,853 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:45:58,853 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:45:58,854 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:45:58,854 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:45:58,854 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:45:58,854 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:45:58,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:45:58,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:45:58,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:45:58,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:45:58,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:45:58,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:45:58,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:45:58,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:45:58,856 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:45:58,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:45:58,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:45:58,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:45:58,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:45:58,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:45:58,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:45:58,858 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:45:58,861 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_c1271de2-20f9-45ed-ac31-174d90d8eb68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f [2022-11-16 12:45:59,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:45:59,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:45:59,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:45:59,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:45:59,189 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:45:59,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2022-11-16 12:45:59,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/data/cbea16225/944678dbd22d4c0e8fd35f33a5975f91/FLAG8c4e6e37a [2022-11-16 12:45:59,833 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:45:59,833 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2022-11-16 12:45:59,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/data/cbea16225/944678dbd22d4c0e8fd35f33a5975f91/FLAG8c4e6e37a [2022-11-16 12:46:00,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/data/cbea16225/944678dbd22d4c0e8fd35f33a5975f91 [2022-11-16 12:46:00,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:46:00,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:46:00,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:46:00,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:46:00,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:46:00,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4697c0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00, skipping insertion in model container [2022-11-16 12:46:00,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:46:00,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:46:00,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:46:00,566 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:46:00,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:46:00,655 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:46:00,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00 WrapperNode [2022-11-16 12:46:00,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:46:00,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:46:00,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:46:00,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:46:00,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,713 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2022-11-16 12:46:00,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:46:00,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:46:00,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:46:00,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:46:00,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,739 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:46:00,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:46:00,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:46:00,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:46:00,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (1/1) ... [2022-11-16 12:46:00,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:00,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:00,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:00,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:46:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:46:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:46:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:46:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:46:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:46:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:46:01,044 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:46:01,046 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:46:01,436 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:46:01,443 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:46:01,444 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:46:01,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:01 BoogieIcfgContainer [2022-11-16 12:46:01,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:46:01,447 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:46:01,447 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:46:01,452 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:46:01,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:46:01,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:46:00" (1/3) ... [2022-11-16 12:46:01,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73e9f07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:46:01, skipping insertion in model container [2022-11-16 12:46:01,455 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:46:01,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:00" (2/3) ... [2022-11-16 12:46:01,455 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73e9f07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:46:01, skipping insertion in model container [2022-11-16 12:46:01,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:46:01,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:01" (3/3) ... [2022-11-16 12:46:01,457 INFO L332 chiAutomizerObserver]: Analyzing ICFG a.06-alloca.i [2022-11-16 12:46:01,523 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:46:01,523 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:46:01,523 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:46:01,523 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:46:01,523 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:46:01,523 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:46:01,523 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:46:01,524 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:46:01,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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 12:46:01,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:46:01,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:01,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:01,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:46:01,568 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:01,569 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:46:01,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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 12:46:01,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:46:01,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:01,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:01,572 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:46:01,572 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:01,579 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 19#L557-20true [2022-11-16 12:46:01,580 INFO L750 eck$LassoCheckResult]: Loop: 19#L557-20true call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 17#L557-1true assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 16#L557-3true test_fun_#t~short14#1 := test_fun_#t~short9#1; 8#L557-4true assume test_fun_#t~short14#1; 15#L557-9true test_fun_#t~short18#1 := test_fun_#t~short14#1; 14#L557-10true assume !test_fun_#t~short18#1; 12#L557-12true test_fun_#t~short20#1 := test_fun_#t~short18#1; 18#L557-13true assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 10#L557-15true test_fun_#t~short22#1 := test_fun_#t~short20#1; 6#L557-16true assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 20#L557-18true assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 19#L557-20true [2022-11-16 12:46:01,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:01,587 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:46:01,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:01,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482651247] [2022-11-16 12:46:01,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:01,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:01,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:01,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:01,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:01,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1442805661, now seen corresponding path program 1 times [2022-11-16 12:46:01,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:01,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979520162] [2022-11-16 12:46:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:02,092 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 12:46:02,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:02,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979520162] [2022-11-16 12:46:02,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979520162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:02,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:02,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:46:02,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086182470] [2022-11-16 12:46:02,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:02,103 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:02,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:02,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:46:02,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:46:02,142 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 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 12:46:02,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:02,201 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2022-11-16 12:46:02,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-11-16 12:46:02,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2022-11-16 12:46:02,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 30 transitions. [2022-11-16 12:46:02,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-16 12:46:02,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-11-16 12:46:02,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2022-11-16 12:46:02,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:46:02,212 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-16 12:46:02,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2022-11-16 12:46:02,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2022-11-16 12:46:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-16 12:46:02,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 12:46:02,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:46:02,251 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 12:46:02,252 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:46:02,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-16 12:46:02,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-11-16 12:46:02,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:02,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:02,257 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:46:02,257 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:02,257 INFO L748 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 62#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 65#L557-20 [2022-11-16 12:46:02,258 INFO L750 eck$LassoCheckResult]: Loop: 65#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 74#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 73#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 66#L557-4 assume test_fun_#t~short14#1; 67#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 72#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 70#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 71#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 69#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 63#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 64#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 65#L557-20 [2022-11-16 12:46:02,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:02,262 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-16 12:46:02,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:02,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148908324] [2022-11-16 12:46:02,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:02,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:02,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:02,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:02,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:02,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1500063963, now seen corresponding path program 1 times [2022-11-16 12:46:02,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:02,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253505256] [2022-11-16 12:46:02,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:02,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:02,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:02,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:02,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:02,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1876539869, now seen corresponding path program 1 times [2022-11-16 12:46:02,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:02,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418366117] [2022-11-16 12:46:02,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:02,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:02,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:02,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:04,734 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:46:04,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:46:04,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:46:04,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:46:04,736 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:46:04,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:04,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:46:04,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:46:04,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration2_Lasso [2022-11-16 12:46:04,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:46:04,736 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:46:04,761 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 12:46:04,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:04,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:04,776 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 12:46:04,779 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 12:46:04,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:04,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:04,788 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:04,791 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 12:46:04,793 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 12:46:04,796 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 12:46:04,799 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 12:46:04,801 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 12:46:04,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:04,807 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 12:46:05,888 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 12:46:05,891 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 12:46:05,894 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 12:46:05,896 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 12:46:05,899 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 12:46:05,902 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 12:46:05,904 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 12:46:05,907 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 12:46:05,910 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 12:46:05,913 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 12:46:05,915 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 12:46:05,918 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 12:46:05,921 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 12:46:05,923 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 12:46:06,605 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:46:06,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:46:06,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:06,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:06,635 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 12:46:06,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:06,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:06,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:06,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:06,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:06,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:06,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:06,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:46:06,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:06,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:06,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:06,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:06,697 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 12:46:06,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:46:06,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:06,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:06,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:06,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:06,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:06,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:06,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:06,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:06,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:06,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:06,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:06,746 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 12:46:06,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:46:06,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:06,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:06,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:06,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:06,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:06,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:06,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:06,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:06,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:06,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:06,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:06,783 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 12:46:06,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:46:06,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:06,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:06,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:06,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:06,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:06,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:06,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:06,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:06,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:06,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:06,817 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:06,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:46:06,832 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 12:46:06,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:06,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:06,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:06,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:06,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:06,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:06,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:06,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:06,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:06,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:06,869 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:06,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:46:06,874 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 12:46:06,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:06,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:06,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:06,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:06,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:06,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:06,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:06,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:06,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:06,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:06,915 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:06,925 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 12:46:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:46:06,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:06,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:06,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:06,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:06,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:06,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:06,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:06,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:06,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:06,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:06,974 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 12:46:06,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:46:06,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:06,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:06,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:06,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:06,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:06,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:07,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:07,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,030 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,039 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 12:46:07,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:07,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:07,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:07,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:07,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:07,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:07,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:07,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:46:07,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:07,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,073 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:07,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:46:07,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:07,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:07,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:07,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:07,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:07,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:07,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:07,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:07,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,130 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,139 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 12:46:07,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:46:07,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:07,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:07,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:07,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:07,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:07,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:07,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:07,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:07,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,180 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,184 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 12:46:07,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:07,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:07,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:07,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:07,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:07,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:07,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:07,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:46:07,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:07,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,212 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,220 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 12:46:07,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:46:07,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:07,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:07,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:07,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:07,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:07,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:07,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:07,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:07,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,258 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,268 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 12:46:07,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:46:07,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:07,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:07,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:07,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:07,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:07,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:07,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:07,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,306 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,311 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 12:46:07,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:07,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:07,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:07,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:07,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:46:07,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:07,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:07,370 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:46:07,438 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 12:46:07,438 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-16 12:46:07,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,470 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:46:07,523 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:46:07,544 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:46:07,544 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:46:07,545 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1 + 4294967293 Supporting invariants [] [2022-11-16 12:46:07,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,772 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2022-11-16 12:46:07,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:07,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:46:07,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:07,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-16 12:46:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:07,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 12:46:07,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:08,257 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 12:46:08,261 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-16 12:46:08,263 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:08,502 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 101 transitions. Complement of second has 12 states. [2022-11-16 12:46:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-16 12:46:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 48 transitions. [2022-11-16 12:46:08,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 2 letters. Loop has 11 letters. [2022-11-16 12:46:08,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:08,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 13 letters. Loop has 11 letters. [2022-11-16 12:46:08,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:08,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 2 letters. Loop has 22 letters. [2022-11-16 12:46:08,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:08,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 101 transitions. [2022-11-16 12:46:08,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2022-11-16 12:46:08,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 66 states and 92 transitions. [2022-11-16 12:46:08,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-16 12:46:08,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2022-11-16 12:46:08,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 92 transitions. [2022-11-16 12:46:08,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:46:08,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 92 transitions. [2022-11-16 12:46:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 92 transitions. [2022-11-16 12:46:08,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 45. [2022-11-16 12:46:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 44 states have internal predecessors, (62), 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 12:46:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2022-11-16 12:46:08,519 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 62 transitions. [2022-11-16 12:46:08,519 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 62 transitions. [2022-11-16 12:46:08,519 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:46:08,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 62 transitions. [2022-11-16 12:46:08,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2022-11-16 12:46:08,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:08,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:08,521 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:46:08,521 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:08,521 INFO L748 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 376#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 381#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 400#L557-1 [2022-11-16 12:46:08,522 INFO L750 eck$LassoCheckResult]: Loop: 400#L557-1 assume !test_fun_#t~short9#1; 396#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 397#L557-4 assume test_fun_#t~short14#1; 415#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 393#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 389#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 390#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 387#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 377#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 378#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 404#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 400#L557-1 [2022-11-16 12:46:08,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:08,522 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-16 12:46:08,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:08,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720398841] [2022-11-16 12:46:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:08,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:08,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:08,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:08,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:08,568 INFO L85 PathProgramCache]: Analyzing trace with hash 962628681, now seen corresponding path program 1 times [2022-11-16 12:46:08,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:08,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491433487] [2022-11-16 12:46:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:08,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:08,617 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 12:46:08,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:08,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491433487] [2022-11-16 12:46:08,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491433487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:08,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:08,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:46:08,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704647420] [2022-11-16 12:46:08,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:08,619 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:08,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:08,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:46:08,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:46:08,619 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 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 12:46:08,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:08,666 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2022-11-16 12:46:08,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2022-11-16 12:46:08,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2022-11-16 12:46:08,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 82 transitions. [2022-11-16 12:46:08,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-16 12:46:08,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-11-16 12:46:08,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 82 transitions. [2022-11-16 12:46:08,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:46:08,668 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 82 transitions. [2022-11-16 12:46:08,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 82 transitions. [2022-11-16 12:46:08,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2022-11-16 12:46:08,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 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 12:46:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-16 12:46:08,672 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-16 12:46:08,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:46:08,676 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-16 12:46:08,676 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:46:08,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2022-11-16 12:46:08,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:46:08,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:08,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:08,680 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:46:08,680 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:08,681 INFO L748 eck$LassoCheckResult]: Stem: 488#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 489#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 494#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 509#L557-1 [2022-11-16 12:46:08,681 INFO L750 eck$LassoCheckResult]: Loop: 509#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 507#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 495#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 496#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 484#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 485#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 505#L557-10 assume !test_fun_#t~short18#1; 501#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 502#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 499#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 490#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 491#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 512#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 509#L557-1 [2022-11-16 12:46:08,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:08,682 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2022-11-16 12:46:08,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:08,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312471025] [2022-11-16 12:46:08,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:08,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:08,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:08,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:08,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:08,729 INFO L85 PathProgramCache]: Analyzing trace with hash 623036047, now seen corresponding path program 1 times [2022-11-16 12:46:08,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:08,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145168989] [2022-11-16 12:46:08,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:08,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:08,803 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 12:46:08,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:08,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145168989] [2022-11-16 12:46:08,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145168989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:08,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:08,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:46:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312887898] [2022-11-16 12:46:08,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:08,807 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:08,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:08,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:46:08,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:46:08,809 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:08,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:08,849 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2022-11-16 12:46:08,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 78 transitions. [2022-11-16 12:46:08,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2022-11-16 12:46:08,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 78 transitions. [2022-11-16 12:46:08,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-11-16 12:46:08,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-16 12:46:08,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 78 transitions. [2022-11-16 12:46:08,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:46:08,858 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 78 transitions. [2022-11-16 12:46:08,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 78 transitions. [2022-11-16 12:46:08,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 43. [2022-11-16 12:46:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 42 states have internal predecessors, (58), 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 12:46:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-11-16 12:46:08,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-16 12:46:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:46:08,873 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-16 12:46:08,873 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:46:08,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 58 transitions. [2022-11-16 12:46:08,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-11-16 12:46:08,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:08,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:08,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:46:08,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:08,877 INFO L748 eck$LassoCheckResult]: Stem: 594#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 595#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 600#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 620#L557-1 [2022-11-16 12:46:08,877 INFO L750 eck$LassoCheckResult]: Loop: 620#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 617#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 601#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 602#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 590#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 591#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 611#L557-10 assume !test_fun_#t~short18#1; 612#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 623#L557-13 assume !test_fun_#t~short20#1; 605#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 596#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 597#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 625#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 620#L557-1 [2022-11-16 12:46:08,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:08,878 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2022-11-16 12:46:08,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:08,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777932350] [2022-11-16 12:46:08,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:08,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:08,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:08,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:08,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:08,941 INFO L85 PathProgramCache]: Analyzing trace with hash 624883089, now seen corresponding path program 1 times [2022-11-16 12:46:08,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:08,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517075070] [2022-11-16 12:46:08,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:08,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:08,999 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 12:46:08,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:08,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517075070] [2022-11-16 12:46:09,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517075070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:09,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:09,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:46:09,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018771760] [2022-11-16 12:46:09,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:09,000 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:09,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:09,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:46:09,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:46:09,001 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:09,029 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2022-11-16 12:46:09,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 64 transitions. [2022-11-16 12:46:09,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:46:09,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 39 states and 46 transitions. [2022-11-16 12:46:09,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:46:09,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-16 12:46:09,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 46 transitions. [2022-11-16 12:46:09,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:46:09,031 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-16 12:46:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 46 transitions. [2022-11-16 12:46:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-16 12:46:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2022-11-16 12:46:09,033 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-16 12:46:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:46:09,034 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-16 12:46:09,035 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:46:09,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2022-11-16 12:46:09,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:46:09,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:09,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:09,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:46:09,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:09,036 INFO L748 eck$LassoCheckResult]: Stem: 701#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 702#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 707#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 722#L557-1 [2022-11-16 12:46:09,036 INFO L750 eck$LassoCheckResult]: Loop: 722#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 720#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 708#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 709#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 697#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 698#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 718#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 714#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 715#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 712#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 703#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 704#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 725#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 722#L557-1 [2022-11-16 12:46:09,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:09,037 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 4 times [2022-11-16 12:46:09,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:09,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387011257] [2022-11-16 12:46:09,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:09,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:09,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1151971315, now seen corresponding path program 1 times [2022-11-16 12:46:09,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:09,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680824046] [2022-11-16 12:46:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:09,348 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 12:46:09,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:09,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680824046] [2022-11-16 12:46:09,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680824046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:09,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:09,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:46:09,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479908279] [2022-11-16 12:46:09,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:09,350 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:09,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:09,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:46:09,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:46:09,351 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:09,565 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2022-11-16 12:46:09,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 98 transitions. [2022-11-16 12:46:09,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2022-11-16 12:46:09,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 75 states and 82 transitions. [2022-11-16 12:46:09,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2022-11-16 12:46:09,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2022-11-16 12:46:09,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 82 transitions. [2022-11-16 12:46:09,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:46:09,567 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 82 transitions. [2022-11-16 12:46:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 82 transitions. [2022-11-16 12:46:09,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 43. [2022-11-16 12:46:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 42 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-11-16 12:46:09,570 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-11-16 12:46:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:46:09,571 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-11-16 12:46:09,571 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:46:09,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 50 transitions. [2022-11-16 12:46:09,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2022-11-16 12:46:09,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:09,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:09,572 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:46:09,572 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:09,572 INFO L748 eck$LassoCheckResult]: Stem: 853#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 854#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 859#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 878#L557-1 [2022-11-16 12:46:09,572 INFO L750 eck$LassoCheckResult]: Loop: 878#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 874#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 875#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 870#L557-6 assume !test_fun_#t~short13#1; 849#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 850#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 872#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 866#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 867#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 864#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 855#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 856#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 882#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 878#L557-1 [2022-11-16 12:46:09,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:09,573 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 5 times [2022-11-16 12:46:09,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:09,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613571409] [2022-11-16 12:46:09,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:09,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:09,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1544998325, now seen corresponding path program 1 times [2022-11-16 12:46:09,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:09,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568367873] [2022-11-16 12:46:09,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:09,656 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 12:46:09,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:09,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568367873] [2022-11-16 12:46:09,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568367873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:09,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:09,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:46:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954506256] [2022-11-16 12:46:09,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:09,658 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:09,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:46:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:09,659 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:09,700 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2022-11-16 12:46:09,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 54 transitions. [2022-11-16 12:46:09,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:46:09,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 39 states and 42 transitions. [2022-11-16 12:46:09,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:46:09,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-16 12:46:09,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 42 transitions. [2022-11-16 12:46:09,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:46:09,702 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-16 12:46:09,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 42 transitions. [2022-11-16 12:46:09,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-16 12:46:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2022-11-16 12:46:09,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-16 12:46:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:46:09,705 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-16 12:46:09,705 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:46:09,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 42 transitions. [2022-11-16 12:46:09,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:46:09,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:09,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:09,706 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:46:09,706 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:09,706 INFO L748 eck$LassoCheckResult]: Stem: 957#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 958#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 963#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 978#L557-1 [2022-11-16 12:46:09,706 INFO L750 eck$LassoCheckResult]: Loop: 978#L557-1 assume !test_fun_#t~short9#1; 976#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 964#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 965#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 953#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 954#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 974#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 970#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 971#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 968#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 959#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 960#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 981#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 978#L557-1 [2022-11-16 12:46:09,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:09,707 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 6 times [2022-11-16 12:46:09,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:09,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561877620] [2022-11-16 12:46:09,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:09,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:09,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1738777329, now seen corresponding path program 1 times [2022-11-16 12:46:09,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:09,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639937806] [2022-11-16 12:46:09,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:09,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash -403715764, now seen corresponding path program 1 times [2022-11-16 12:46:09,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:09,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671512174] [2022-11-16 12:46:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:12,258 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:46:12,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:46:12,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:46:12,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:46:12,258 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:46:12,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:12,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:46:12,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:46:12,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration8_Lasso [2022-11-16 12:46:12,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:46:12,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:46:12,264 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 12:46:12,268 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 12:46:12,270 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 12:46:13,474 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 12:46:13,477 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 12:46:13,479 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 12:46:13,481 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 12:46:13,484 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 12:46:13,485 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 12:46:13,488 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 12:46:13,490 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 12:46:13,493 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 12:46:13,496 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 12:46:13,500 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 12:46:13,505 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 12:46:13,507 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 12:46:13,510 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 12:46:13,513 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 12:46:13,517 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 12:46:13,519 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 12:46:13,521 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 12:46:13,524 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 12:46:13,527 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 12:46:13,531 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 12:46:13,532 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 12:46:13,534 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 12:46:13,536 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 12:46:13,538 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 12:46:13,540 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 12:46:14,470 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:46:14,470 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:46:14,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,475 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,481 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 12:46:14,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:46:14,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:14,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:14,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:14,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-11-16 12:46:14,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,500 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:46:14,503 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 12:46:14,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:14,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:14,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:14,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,521 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:46:14,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:14,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:14,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:14,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,555 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,568 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 12:46:14,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:46:14,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:14,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:14,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,618 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,623 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 12:46:14,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:46:14,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:14,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:14,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,666 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,671 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 12:46:14,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:46:14,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:14,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:14,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,712 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,719 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 12:46:14,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:46:14,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:14,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:14,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,776 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,779 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 12:46:14,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:46:14,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:14,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:14,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,805 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:46:14,808 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 12:46:14,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:14,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:14,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:46:14,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:46:14,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:14,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:14,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:14,834 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:14,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:46:14,835 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 12:46:14,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:14,847 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-16 12:46:14,847 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:46:14,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:14,886 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-16 12:46:14,886 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 12:46:14,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:46:15,292 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2022-11-16 12:46:15,292 INFO L444 ModelExtractionUtils]: 35 out of 76 variables were initially zero. Simplification set additionally 38 variables to zero. [2022-11-16 12:46:15,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:15,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:15,299 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:15,302 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:46:15,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:46:15,327 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-11-16 12:46:15,328 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:46:15,328 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_2 + 4294967293 Supporting invariants [] [2022-11-16 12:46:15,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:15,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:15,579 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2022-11-16 12:46:15,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:46:15,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 12:46:15,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:15,836 INFO L321 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2022-11-16 12:46:15,837 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 94 treesize of output 75 [2022-11-16 12:46:15,899 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 12:46:15,899 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 12:46:15,900 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:15,932 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 86 transitions. Complement of second has 6 states. [2022-11-16 12:46:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:46:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-16 12:46:15,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 13 letters. [2022-11-16 12:46:15,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:15,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 13 letters. [2022-11-16 12:46:15,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:15,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 26 letters. [2022-11-16 12:46:15,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:15,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 86 transitions. [2022-11-16 12:46:15,938 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:46:15,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2022-11-16 12:46:15,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:46:15,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:46:15,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:46:15,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:46:15,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:15,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:15,940 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:15,940 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-16 12:46:15,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:46:15,940 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:46:15,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:46:15,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:46:15 BoogieIcfgContainer [2022-11-16 12:46:15,948 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:46:15,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:46:15,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:46:15,949 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:46:15,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:01" (3/4) ... [2022-11-16 12:46:15,953 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:46:15,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:46:15,954 INFO L158 Benchmark]: Toolchain (without parser) took 15829.74ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 100.1MB in the beginning and 127.2MB in the end (delta: -27.1MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-16 12:46:15,960 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:46:15,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.61ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 108.8MB in the end (delta: -8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:46:15,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.43ms. Allocated memory is still 138.4MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:46:15,962 INFO L158 Benchmark]: Boogie Preprocessor took 29.66ms. Allocated memory is still 138.4MB. Free memory was 106.7MB in the beginning and 104.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:46:15,962 INFO L158 Benchmark]: RCFGBuilder took 701.32ms. Allocated memory is still 138.4MB. Free memory was 104.7MB in the beginning and 89.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:46:15,963 INFO L158 Benchmark]: BuchiAutomizer took 14500.83ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 89.3MB in the beginning and 128.3MB in the end (delta: -39.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2022-11-16 12:46:15,963 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 207.6MB. Free memory was 128.3MB in the beginning and 127.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:46:15,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.61ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 108.8MB in the end (delta: -8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.43ms. Allocated memory is still 138.4MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.66ms. Allocated memory is still 138.4MB. Free memory was 106.7MB in the beginning and 104.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.32ms. Allocated memory is still 138.4MB. Free memory was 104.7MB in the beginning and 89.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 14500.83ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 89.3MB in the beginning and 128.3MB in the end (delta: -39.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 207.6MB. Free memory was 128.3MB in the beginning and 127.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (6 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 and consists of 7 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 12.6s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 93 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 396 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 154 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI6 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital449 mio100 ax104 hnf100 lsp94 ukn55 mio100 lsp34 div100 bol105 ite100 ukn100 eq179 hnf89 smp100 dnf138 smp97 tf100 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 496ms VariablesStem: 14 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:46:15,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1271de2-20f9-45ed-ac31-174d90d8eb68/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 Writing output log to file Ultimate.log Result: TRUE