./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8 --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 d628f3524885345eb9e2318f2d0dbb026e233c3bcc51319b2ad8fc1a71d35580 --- 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-2329fc7 [2022-12-13 15:41:01,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:41:01,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:41:01,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:41:01,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:41:01,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:41:01,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:41:01,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:41:01,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:41:01,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:41:01,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:41:01,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:41:01,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:41:01,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:41:01,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:41:01,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:41:01,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:41:01,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:41:01,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:41:01,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:41:01,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:41:01,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:41:01,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:41:01,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:41:01,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:41:01,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:41:01,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:41:01,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:41:01,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:41:01,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:41:01,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:41:01,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:41:01,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:41:01,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:41:01,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:41:01,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:41:01,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:41:01,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:41:01,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:41:01,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:41:01,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:41:01,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 15:41:01,904 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:41:01,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:41:01,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:41:01,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:41:01,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:41:01,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:41:01,907 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:41:01,907 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 15:41:01,907 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 15:41:01,907 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 15:41:01,907 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 15:41:01,908 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 15:41:01,908 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 15:41:01,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:41:01,908 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:41:01,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:41:01,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:41:01,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 15:41:01,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 15:41:01,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 15:41:01,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:41:01,909 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 15:41:01,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:41:01,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 15:41:01,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:41:01,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:41:01,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:41:01,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:41:01,911 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 15:41:01,911 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_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d628f3524885345eb9e2318f2d0dbb026e233c3bcc51319b2ad8fc1a71d35580 [2022-12-13 15:41:02,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:41:02,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:41:02,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:41:02,140 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:41:02,141 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:41:02,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i [2022-12-13 15:41:04,677 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:41:04,859 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:41:04,860 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i [2022-12-13 15:41:04,868 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/data/14bad92e0/bf4fa956f2464676a7d777c993957ef4/FLAGa091e1f30 [2022-12-13 15:41:05,255 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/data/14bad92e0/bf4fa956f2464676a7d777c993957ef4 [2022-12-13 15:41:05,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:41:05,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:41:05,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:41:05,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:41:05,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:41:05,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7025c4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05, skipping insertion in model container [2022-12-13 15:41:05,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:41:05,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:41:05,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:41:05,453 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:41:05,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:41:05,491 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:41:05,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05 WrapperNode [2022-12-13 15:41:05,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:41:05,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:41:05,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:41:05,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:41:05,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,516 INFO L138 Inliner]: procedures = 109, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-12-13 15:41:05,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:41:05,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:41:05,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:41:05,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:41:05,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:41:05,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:41:05,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:41:05,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:41:05,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (1/1) ... [2022-12-13 15:41:05,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:05,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:05,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 15:41:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:41:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:41:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:41:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:41:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:41:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:41:05,657 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:41:05,658 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:41:05,735 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:41:05,739 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:41:05,739 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:41:05,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:41:05 BoogieIcfgContainer [2022-12-13 15:41:05,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:41:05,741 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 15:41:05,742 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 15:41:05,744 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 15:41:05,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:41:05,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 03:41:05" (1/3) ... [2022-12-13 15:41:05,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a450b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:41:05, skipping insertion in model container [2022-12-13 15:41:05,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:41:05,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:05" (2/3) ... [2022-12-13 15:41:05,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a450b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:41:05, skipping insertion in model container [2022-12-13 15:41:05,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:41:05,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:41:05" (3/3) ... [2022-12-13 15:41:05,747 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Sequence-alloca.i [2022-12-13 15:41:05,793 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 15:41:05,794 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 15:41:05,794 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 15:41:05,794 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 15:41:05,794 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 15:41:05,794 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 15:41:05,794 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 15:41:05,794 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 15:41:05,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:05,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-12-13 15:41:05,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:41:05,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:41:05,813 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 15:41:05,813 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 15:41:05,813 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 15:41:05,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:05,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-12-13 15:41:05,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:41:05,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:41:05,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 15:41:05,815 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 15:41:05,820 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 4#L552-4true [2022-12-13 15:41:05,820 INFO L750 eck$LassoCheckResult]: Loop: 4#L552-4true call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 9#L552-1true assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 3#L552-3true call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 4#L552-4true [2022-12-13 15:41:05,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 15:41:05,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:05,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575135162] [2022-12-13 15:41:05,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:05,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:05,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:41:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:05,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:41:05,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:05,978 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2022-12-13 15:41:05,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:05,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928794644] [2022-12-13 15:41:05,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:05,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:05,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:41:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:06,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:41:06,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:06,003 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2022-12-13 15:41:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:06,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521029662] [2022-12-13 15:41:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:06,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:06,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:41:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:06,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:41:06,522 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 15:41:06,522 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 15:41:06,522 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 15:41:06,522 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 15:41:06,523 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 15:41:06,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:06,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 15:41:06,523 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 15:41:06,523 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Sequence-alloca.i_Iteration1_Lasso [2022-12-13 15:41:06,523 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 15:41:06,523 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 15:41:06,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:06,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:41:07,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 15:41:07,150 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 15:41:07,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 15:41:07,155 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 [2022-12-13 15:41:07,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:07,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 15:41:07,188 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 [2022-12-13 15:41:07,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 15:41:07,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 15:41:07,212 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 [2022-12-13 15:41:07,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 15:41:07,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 15:41:07,234 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 [2022-12-13 15:41:07,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:41:07,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:41:07,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:41:07,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 15:41:07,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,251 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 15:41:07,252 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 [2022-12-13 15:41:07,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 15:41:07,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 15:41:07,274 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 [2022-12-13 15:41:07,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:41:07,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:41:07,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:41:07,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 15:41:07,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,290 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 15:41:07,293 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 [2022-12-13 15:41:07,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:07,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,314 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 15:41:07,316 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 [2022-12-13 15:41:07,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:41:07,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:41:07,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:41:07,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 15:41:07,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,332 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 15:41:07,335 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 [2022-12-13 15:41:07,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:41:07,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:41:07,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:41:07,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 15:41:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,351 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 15:41:07,353 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 [2022-12-13 15:41:07,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:41:07,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:41:07,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:41:07,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 15:41:07,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,370 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 15:41:07,372 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 [2022-12-13 15:41:07,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:41:07,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:41:07,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:41:07,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 15:41:07,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,390 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 15:41:07,392 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 [2022-12-13 15:41:07,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 15:41:07,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,412 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 15:41:07,414 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 [2022-12-13 15:41:07,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 15:41:07,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,443 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 15:41:07,445 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 [2022-12-13 15:41:07,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 15:41:07,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,467 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 15:41:07,469 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 [2022-12-13 15:41:07,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 15:41:07,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,489 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 15:41:07,491 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 [2022-12-13 15:41:07,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 15:41:07,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,524 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 15:41:07,526 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 [2022-12-13 15:41:07,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 15:41:07,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,549 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 15:41:07,551 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 [2022-12-13 15:41:07,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 15:41:07,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,571 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 15:41:07,573 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 [2022-12-13 15:41:07,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:41:07,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 15:41:07,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,591 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 15:41:07,593 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 [2022-12-13 15:41:07,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:41:07,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:41:07,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:41:07,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:41:07,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:41:07,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:41:07,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 15:41:07,619 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 15:41:07,619 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-12-13 15:41:07,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:41:07,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:07,651 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:07,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 15:41:07,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 15:41:07,665 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 15:41:07,665 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 15:41:07,665 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 + 199 Supporting invariants [] [2022-12-13 15:41:07,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 15:41:07,723 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2022-12-13 15:41:07,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:07,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:41:07,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:07,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 15:41:07,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:07,844 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-12-13 15:41:07,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 50 [2022-12-13 15:41:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:07,920 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 [2022-12-13 15:41:07,922 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:07,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 31 transitions. Complement of second has 10 states. [2022-12-13 15:41:07,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 15:41:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2022-12-13 15:41:07,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 3 letters. [2022-12-13 15:41:07,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:41:07,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 3 letters. [2022-12-13 15:41:07,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:41:07,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 6 letters. [2022-12-13 15:41:07,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:41:07,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2022-12-13 15:41:07,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:07,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 11 states and 13 transitions. [2022-12-13 15:41:07,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-12-13 15:41:07,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 15:41:07,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-12-13 15:41:07,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 15:41:07,977 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-12-13 15:41:07,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-12-13 15:41:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-12-13 15:41:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 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) [2022-12-13 15:41:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-12-13 15:41:07,994 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-12-13 15:41:07,994 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-12-13 15:41:07,994 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 15:41:07,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2022-12-13 15:41:07,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:07,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:41:07,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:41:07,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 15:41:07,995 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 15:41:07,995 INFO L748 eck$LassoCheckResult]: Stem: 156#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 150#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 152#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 153#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 154#L553-4 [2022-12-13 15:41:07,996 INFO L750 eck$LassoCheckResult]: Loop: 154#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 158#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 155#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 154#L553-4 [2022-12-13 15:41:07,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:07,996 INFO L85 PathProgramCache]: Analyzing trace with hash 28694795, now seen corresponding path program 1 times [2022-12-13 15:41:07,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:07,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216013731] [2022-12-13 15:41:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:07,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:08,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:08,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:08,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216013731] [2022-12-13 15:41:08,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216013731] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:08,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:08,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:41:08,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529109067] [2022-12-13 15:41:08,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:08,101 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 15:41:08,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:08,101 INFO L85 PathProgramCache]: Analyzing trace with hash 50806, now seen corresponding path program 1 times [2022-12-13 15:41:08,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:08,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965247515] [2022-12-13 15:41:08,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:08,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:08,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:41:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:08,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:41:08,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:08,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:08,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:08,171 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:08,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:08,194 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-12-13 15:41:08,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2022-12-13 15:41:08,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:08,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 12 states and 13 transitions. [2022-12-13 15:41:08,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 15:41:08,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 15:41:08,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2022-12-13 15:41:08,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 15:41:08,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-12-13 15:41:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2022-12-13 15:41:08,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-12-13 15:41:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-12-13 15:41:08,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-12-13 15:41:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:08,198 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-12-13 15:41:08,198 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 15:41:08,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 12 transitions. [2022-12-13 15:41:08,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:08,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:41:08,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:41:08,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:08,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 15:41:08,199 INFO L748 eck$LassoCheckResult]: Stem: 189#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 183#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 184#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 181#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 182#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 185#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 186#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 187#L553-4 [2022-12-13 15:41:08,199 INFO L750 eck$LassoCheckResult]: Loop: 187#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 191#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 188#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 187#L553-4 [2022-12-13 15:41:08,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:08,200 INFO L85 PathProgramCache]: Analyzing trace with hash 149879881, now seen corresponding path program 1 times [2022-12-13 15:41:08,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:08,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575890441] [2022-12-13 15:41:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:08,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:08,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 15:41:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:08,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:08,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575890441] [2022-12-13 15:41:08,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575890441] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:41:08,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903758197] [2022-12-13 15:41:08,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:08,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:41:08,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:08,437 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:41:08,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-12-13 15:41:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:08,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 15:41:08,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:08,529 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-12-13 15:41:08,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-12-13 15:41:08,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 15:41:08,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 15:41:08,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 20 [2022-12-13 15:41:08,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-13 15:41:08,681 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:08,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 52 [2022-12-13 15:41:08,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2022-12-13 15:41:08,728 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 15:41:08,729 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 1 case distinctions, treesize of input 28 treesize of output 26 [2022-12-13 15:41:08,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 15:41:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:08,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:41:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:08,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903758197] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:41:08,828 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:41:08,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-12-13 15:41:08,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353546251] [2022-12-13 15:41:08,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:41:08,828 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 15:41:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:08,829 INFO L85 PathProgramCache]: Analyzing trace with hash 50806, now seen corresponding path program 2 times [2022-12-13 15:41:08,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:08,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266344113] [2022-12-13 15:41:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:08,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:08,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:41:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:08,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:41:08,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:08,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 15:41:08,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:41:08,902 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2022-12-13 15:41:09,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:09,013 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2022-12-13 15:41:09,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 21 transitions. [2022-12-13 15:41:09,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:09,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 19 transitions. [2022-12-13 15:41:09,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 15:41:09,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 15:41:09,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 19 transitions. [2022-12-13 15:41:09,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 15:41:09,015 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-12-13 15:41:09,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 19 transitions. [2022-12-13 15:41:09,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-12-13 15:41:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-12-13 15:41:09,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-13 15:41:09,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:41:09,017 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-13 15:41:09,018 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 15:41:09,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 18 transitions. [2022-12-13 15:41:09,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:09,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:41:09,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:41:09,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-13 15:41:09,019 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 15:41:09,019 INFO L748 eck$LassoCheckResult]: Stem: 286#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 280#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 281#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 294#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 293#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 290#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 278#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 279#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 282#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 292#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 291#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 289#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 283#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 284#L553-4 [2022-12-13 15:41:09,019 INFO L750 eck$LassoCheckResult]: Loop: 284#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 288#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 285#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 284#L553-4 [2022-12-13 15:41:09,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:09,019 INFO L85 PathProgramCache]: Analyzing trace with hash -579836663, now seen corresponding path program 2 times [2022-12-13 15:41:09,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:09,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600650534] [2022-12-13 15:41:09,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:09,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:09,517 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:09,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:09,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600650534] [2022-12-13 15:41:09,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600650534] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:41:09,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282732408] [2022-12-13 15:41:09,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:41:09,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:41:09,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:09,518 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:41:09,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-12-13 15:41:09,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 15:41:09,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:41:09,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 15:41:09,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:09,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2022-12-13 15:41:09,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:41:09,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-13 15:41:09,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 15:41:09,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 15:41:09,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 15:41:09,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 15:41:09,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 15:41:09,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 15:41:09,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 15:41:09,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 15:41:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:09,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:41:09,783 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_208 (Array Int Int)) (v_ArrVal_206 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_206 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)))) is different from false [2022-12-13 15:41:09,795 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_206 Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_205))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99) (not (<= v_ArrVal_206 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))))))) is different from false [2022-12-13 15:41:09,819 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_206 Int) (v_ArrVal_204 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_204)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_205))) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_204 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_206 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)))))) is different from false [2022-12-13 15:41:09,838 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_206 Int) (v_ArrVal_202 (Array Int Int)) (v_ArrVal_204 Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_202))) (let ((.cse1 (select .cse3 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse2 (store (store .cse3 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_204)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_205))) (let ((.cse0 (select .cse2 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_206 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_204 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99))))))) is different from false [2022-12-13 15:41:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 13 not checked. [2022-12-13 15:41:09,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282732408] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:41:09,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:41:09,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 10] total 24 [2022-12-13 15:41:09,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379568396] [2022-12-13 15:41:09,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:41:09,874 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 15:41:09,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:09,875 INFO L85 PathProgramCache]: Analyzing trace with hash 50806, now seen corresponding path program 3 times [2022-12-13 15:41:09,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:09,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771813888] [2022-12-13 15:41:09,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:09,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:09,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:41:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:09,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:41:09,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 15:41:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=259, Unknown=6, NotChecked=156, Total=552 [2022-12-13 15:41:09,949 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. cyclomatic complexity: 3 Second operand has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:10,078 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_208 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)) (<= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 3)) is different from false [2022-12-13 15:41:10,081 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_208 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)) (<= |c_ULTIMATE.start_main_#t~mem7#1| 3)) is different from false [2022-12-13 15:41:10,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:10,115 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-12-13 15:41:10,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 27 transitions. [2022-12-13 15:41:10,116 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:10,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 24 states and 25 transitions. [2022-12-13 15:41:10,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 15:41:10,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 15:41:10,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 25 transitions. [2022-12-13 15:41:10,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 15:41:10,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-12-13 15:41:10,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 25 transitions. [2022-12-13 15:41:10,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-12-13 15:41:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:41:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-12-13 15:41:10,119 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-12-13 15:41:10,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 15:41:10,120 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-12-13 15:41:10,120 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 15:41:10,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 24 transitions. [2022-12-13 15:41:10,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:10,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:41:10,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:41:10,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 1, 1, 1, 1] [2022-12-13 15:41:10,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 15:41:10,122 INFO L748 eck$LassoCheckResult]: Stem: 452#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 453#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 445#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 446#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 465#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 447#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 448#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 443#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 444#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 464#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 463#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 462#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 461#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 460#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 459#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 457#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 458#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 456#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 455#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 449#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 450#L553-4 [2022-12-13 15:41:10,122 INFO L750 eck$LassoCheckResult]: Loop: 450#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 454#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 451#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 450#L553-4 [2022-12-13 15:41:10,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:10,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1041220151, now seen corresponding path program 3 times [2022-12-13 15:41:10,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:10,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188759006] [2022-12-13 15:41:10,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:10,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:10,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:10,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188759006] [2022-12-13 15:41:10,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188759006] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:41:10,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88979618] [2022-12-13 15:41:10,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 15:41:10,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:41:10,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:10,922 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:41:10,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-12-13 15:41:11,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-12-13 15:41:11,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:41:11,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-13 15:41:11,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:11,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2022-12-13 15:41:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:41:11,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-13 15:41:11,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 15:41:11,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 15:41:11,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 15:41:11,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 15:41:11,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 15:41:11,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 15:41:11,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 15:41:11,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 15:41:11,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 15:41:11,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 15:41:11,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 15:41:11,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 15:41:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:11,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:41:11,240 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_308 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)) is different from false [2022-12-13 15:41:11,250 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_308 (Array Int Int)) (v_ArrVal_307 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_307 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_307)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)))) is different from false [2022-12-13 15:41:11,259 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_305 (Array Int Int)) (v_ArrVal_308 (Array Int Int)) (v_ArrVal_307 Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_305))) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_307 (+ 1 (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|)))) (< (select (select (store (store .cse1 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_307)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99))))) is different from false [2022-12-13 15:41:11,283 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_305 (Array Int Int)) (v_ArrVal_308 (Array Int Int)) (v_ArrVal_307 Int) (v_ArrVal_303 Int)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_303)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_305))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_307)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99) (not (<= v_ArrVal_307 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_303 (+ (select .cse2 |c_ULTIMATE.start_main_~i~0#1.offset|) 1)))))))) is different from false [2022-12-13 15:41:11,298 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_305 (Array Int Int)) (v_ArrVal_308 (Array Int Int)) (v_ArrVal_307 Int) (v_ArrVal_302 (Array Int Int)) (v_ArrVal_303 Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_302))) (let ((.cse1 (select .cse3 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse2 (store (store .cse3 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_303)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_305))) (let ((.cse0 (select .cse2 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_307 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_303 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_307)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99))))))) is different from false [2022-12-13 15:41:11,326 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_300 Int) (v_ArrVal_305 (Array Int Int)) (v_ArrVal_308 (Array Int Int)) (v_ArrVal_307 Int) (v_ArrVal_302 (Array Int Int)) (v_ArrVal_303 Int)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_300)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_302))) (let ((.cse3 (select .cse4 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse1 (store (store .cse4 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_303)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_305))) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_307 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store .cse1 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_307)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99) (not (<= v_ArrVal_300 (+ (select .cse2 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_303 (+ (select .cse3 |c_ULTIMATE.start_main_~i~0#1.offset|) 1)))))))))) is different from false [2022-12-13 15:41:11,346 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_300 Int) (v_ArrVal_305 (Array Int Int)) (v_ArrVal_308 (Array Int Int)) (v_ArrVal_307 Int) (v_ArrVal_299 (Array Int Int)) (v_ArrVal_302 (Array Int Int)) (v_ArrVal_303 Int)) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_299))) (let ((.cse0 (select .cse5 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse4 (store (store .cse5 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_300)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_302))) (let ((.cse1 (select .cse4 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse2 (store (store .cse4 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_303)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_305))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_300 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_303 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_307)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99) (not (<= v_ArrVal_307 (+ (select .cse3 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))))))))))) is different from false [2022-12-13 15:41:11,387 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_300 Int) (v_ArrVal_305 (Array Int Int)) (v_ArrVal_308 (Array Int Int)) (v_ArrVal_297 Int) (v_ArrVal_307 Int) (v_ArrVal_299 (Array Int Int)) (v_ArrVal_302 (Array Int Int)) (v_ArrVal_303 Int)) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse6 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_297)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_299))) (let ((.cse4 (select .cse6 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse5 (store (store .cse6 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_300)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_302))) (let ((.cse0 (select .cse5 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse2 (store (store .cse5 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_303)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_305))) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_303 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_307 (+ 1 (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|)))) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_307)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99) (not (<= v_ArrVal_297 (+ (select .cse3 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_300 (+ (select .cse4 |c_ULTIMATE.start_main_~i~0#1.offset|) 1)))))))))))) is different from false [2022-12-13 15:41:11,415 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_300 Int) (v_ArrVal_305 (Array Int Int)) (v_ArrVal_308 (Array Int Int)) (v_ArrVal_297 Int) (v_ArrVal_296 (Array Int Int)) (v_ArrVal_307 Int) (v_ArrVal_299 (Array Int Int)) (v_ArrVal_302 (Array Int Int)) (v_ArrVal_303 Int)) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_296))) (let ((.cse4 (select .cse7 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse6 (store (store .cse7 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_297)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_299))) (let ((.cse3 (select .cse6 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse5 (store (store .cse6 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_300)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_302))) (let ((.cse2 (select .cse5 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse0 (store (store .cse5 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_303)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_305))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_307)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99) (not (<= v_ArrVal_303 (+ (select .cse2 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_300 (+ (select .cse3 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_297 (+ (select .cse4 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_307 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))))))))))))) is different from false [2022-12-13 15:41:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 40 not checked. [2022-12-13 15:41:11,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88979618] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:41:11,455 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:41:11,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 14] total 34 [2022-12-13 15:41:11,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096846519] [2022-12-13 15:41:11,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:41:11,455 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 15:41:11,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:11,455 INFO L85 PathProgramCache]: Analyzing trace with hash 50806, now seen corresponding path program 4 times [2022-12-13 15:41:11,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:11,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393919717] [2022-12-13 15:41:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:11,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:11,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:41:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:41:11,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:41:11,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:11,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-13 15:41:11,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=398, Unknown=9, NotChecked=486, Total=1122 [2022-12-13 15:41:11,505 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. cyclomatic complexity: 3 Second operand has 34 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 34 states have internal predecessors, (56), 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) [2022-12-13 15:41:11,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:11,850 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2022-12-13 15:41:11,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 37 transitions. [2022-12-13 15:41:11,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:11,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 33 states and 34 transitions. [2022-12-13 15:41:11,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 15:41:11,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 15:41:11,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 34 transitions. [2022-12-13 15:41:11,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 15:41:11,851 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 34 transitions. [2022-12-13 15:41:11,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 34 transitions. [2022-12-13 15:41:11,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-12-13 15:41:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.03125) internal successors, (33), 31 states have internal predecessors, (33), 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) [2022-12-13 15:41:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2022-12-13 15:41:11,854 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 33 transitions. [2022-12-13 15:41:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 15:41:11,855 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 33 transitions. [2022-12-13 15:41:11,855 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 15:41:11,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 33 transitions. [2022-12-13 15:41:11,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 15:41:11,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:41:11,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:41:11,856 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 1, 1, 1, 1] [2022-12-13 15:41:11,856 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 15:41:11,856 INFO L748 eck$LassoCheckResult]: Stem: 688#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 689#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 681#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 682#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 710#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 683#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 684#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 679#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 680#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 709#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 708#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 707#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 706#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 705#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 704#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 703#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 702#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 701#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 700#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 699#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 698#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 697#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 696#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 695#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 693#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 694#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 692#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 691#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 685#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 686#L553-4 [2022-12-13 15:41:11,856 INFO L750 eck$LassoCheckResult]: Loop: 686#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 690#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 687#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 686#L553-4 [2022-12-13 15:41:11,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:11,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1121421813, now seen corresponding path program 4 times [2022-12-13 15:41:11,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:11,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945867068] [2022-12-13 15:41:11,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:13,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:13,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945867068] [2022-12-13 15:41:13,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945867068] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:41:13,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349775192] [2022-12-13 15:41:13,073 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 15:41:13,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:41:13,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:13,074 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:41:13,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b77fbb4-18da-49a6-b18b-9319eb231092/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-12-13 15:41:13,158 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 15:41:13,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:41:13,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 61 conjunts are in the unsatisfiable core [2022-12-13 15:41:13,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:13,184 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-12-13 15:41:13,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-12-13 15:41:13,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 15:41:13,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 15:41:13,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:41:13,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-12-13 15:41:13,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-12-13 15:41:13,341 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-13 15:41:13,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 72 [2022-12-13 15:41:13,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 15:41:13,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-13 15:41:13,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2022-12-13 15:41:13,447 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:13,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:13,533 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:13,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:13,600 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:13,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:13,663 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:13,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:13,728 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:13,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:13,815 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:13,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:13,884 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:13,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:13,970 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:13,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:14,044 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:14,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:14,120 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:14,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:14,184 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:14,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:14,287 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:14,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:14,348 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:14,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:14,446 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 15:41:14,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 15:41:14,488 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 15:41:14,489 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 1 case distinctions, treesize of input 28 treesize of output 26 [2022-12-13 15:41:14,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 15:41:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:14,519 INFO L328 TraceCheckSpWp]: Computing backward predicates...