./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43671c88cb28f81a53d6c7fbea907e55b0f99c68f8a522c4103c0a12ddf9f652 --- 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-6b4ec56 [2022-11-20 12:24:47,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:24:47,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:24:47,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:24:47,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:24:47,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:24:47,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:24:47,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:24:47,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:24:47,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:24:47,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:24:47,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:24:47,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:24:47,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:24:47,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:24:47,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:24:47,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:24:47,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:24:47,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:24:47,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:24:47,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:24:47,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:24:47,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:24:47,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:24:47,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:24:47,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:24:47,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:24:47,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:24:47,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:24:47,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:24:47,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:24:47,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:24:47,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:24:47,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:24:47,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:24:47,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:24:47,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:24:47,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:24:47,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:24:47,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:24:47,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:24:47,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:24:47,295 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:24:47,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:24:47,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:24:47,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:24:47,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:24:47,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:24:47,298 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:24:47,298 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:24:47,298 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:24:47,298 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:24:47,299 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:24:47,300 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:24:47,300 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:24:47,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:24:47,300 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:24:47,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:24:47,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:24:47,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:24:47,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:24:47,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:24:47,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:24:47,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:24:47,301 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:24:47,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:24:47,302 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:24:47,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:24:47,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:24:47,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:24:47,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:24:47,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:24:47,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:24:47,304 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:24:47,304 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_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43671c88cb28f81a53d6c7fbea907e55b0f99c68f8a522c4103c0a12ddf9f652 [2022-11-20 12:24:47,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:24:47,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:24:47,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:24:47,589 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:24:47,590 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:24:47,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/reducercommutativity/rangesum10.i [2022-11-20 12:24:50,959 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:24:51,164 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:24:51,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/sv-benchmarks/c/reducercommutativity/rangesum10.i [2022-11-20 12:24:51,171 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/data/f1b4cc6cb/a86c5fe8a1c74f63950b76278847bda6/FLAGa6e2c577d [2022-11-20 12:24:51,189 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/data/f1b4cc6cb/a86c5fe8a1c74f63950b76278847bda6 [2022-11-20 12:24:51,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:24:51,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:24:51,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:24:51,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:24:51,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:24:51,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587c7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51, skipping insertion in model container [2022-11-20 12:24:51,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:24:51,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:24:51,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/sv-benchmarks/c/reducercommutativity/rangesum10.i[1465,1478] [2022-11-20 12:24:51,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:24:51,420 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:24:51,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/sv-benchmarks/c/reducercommutativity/rangesum10.i[1465,1478] [2022-11-20 12:24:51,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:24:51,458 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:24:51,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51 WrapperNode [2022-11-20 12:24:51,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:24:51,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:24:51,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:24:51,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:24:51,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,502 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2022-11-20 12:24:51,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:24:51,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:24:51,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:24:51,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:24:51,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,531 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:24:51,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:24:51,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:24:51,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:24:51,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (1/1) ... [2022-11-20 12:24:51,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:51,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:51,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:51,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:24:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:24:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:24:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:24:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:24:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:24:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:24:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:24:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:24:51,756 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:24:51,760 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:24:52,074 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:24:52,080 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:24:52,081 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 12:24:52,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:24:52 BoogieIcfgContainer [2022-11-20 12:24:52,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:24:52,084 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:24:52,086 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:24:52,090 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:24:52,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:24:52,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:24:51" (1/3) ... [2022-11-20 12:24:52,104 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@236cbded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:24:52, skipping insertion in model container [2022-11-20 12:24:52,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:24:52,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:51" (2/3) ... [2022-11-20 12:24:52,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@236cbded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:24:52, skipping insertion in model container [2022-11-20 12:24:52,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:24:52,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:24:52" (3/3) ... [2022-11-20 12:24:52,107 INFO L332 chiAutomizerObserver]: Analyzing ICFG rangesum10.i [2022-11-20 12:24:52,186 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:24:52,186 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:24:52,187 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:24:52,187 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:24:52,187 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:24:52,187 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:24:52,187 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:24:52,188 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:24:52,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 27 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:52,209 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2022-11-20 12:24:52,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:52,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:52,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:24:52,214 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:24:52,214 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:24:52,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 27 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:52,217 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2022-11-20 12:24:52,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:52,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:52,218 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:24:52,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:24:52,227 INFO L748 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 21#L17-3true [2022-11-20 12:24:52,228 INFO L750 eck$LassoCheckResult]: Loop: 21#L17-3true assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 10#L17-2true init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 21#L17-3true [2022-11-20 12:24:52,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:52,233 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 12:24:52,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:52,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580629205] [2022-11-20 12:24:52,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:52,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:52,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:52,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:52,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:52,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-20 12:24:52,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:52,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155728330] [2022-11-20 12:24:52,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:52,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:52,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:52,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:52,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:52,519 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-20 12:24:52,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:52,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60676450] [2022-11-20 12:24:52,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:52,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:52,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:52,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:52,997 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:24:52,998 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:24:52,998 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:24:52,998 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:24:52,998 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:24:52,998 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:52,999 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:24:52,999 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:24:52,999 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum10.i_Iteration1_Lasso [2022-11-20 12:24:52,999 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:24:52,999 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:24:53,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:24:53,919 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:24:53,925 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:24:53,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:53,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:53,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:53,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:53,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:24:53,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:53,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:24:53,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:53,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:53,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:53,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:24:53,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:24:53,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:24:53,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:53,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:53,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:53,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:54,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:54,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:24:54,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:54,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:54,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:54,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:24:54,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:24:54,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:24:54,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:24:54,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-20 12:24:54,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:54,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:54,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:54,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:54,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:54,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:24:54,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:54,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:54,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:54,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:24:54,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:24:54,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:24:54,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:24:54,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:54,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:54,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:54,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:54,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:54,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:54,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:54,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:54,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:54,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:24:54,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:24:54,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:24:54,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:24:54,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:54,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:54,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:54,125 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:54,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:24:54,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:54,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:54,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:24:54,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:54,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:54,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:54,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:24:54,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:24:54,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:24:54,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:54,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:54,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:54,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:54,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:54,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:24:54,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:54,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:24:54,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:54,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:54,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:54,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:24:54,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:24:54,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:24:54,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:54,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:54,231 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:54,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:54,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:24:54,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:54,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:54,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:54,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:54,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:24:54,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:24:54,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:24:54,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:54,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:54,278 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:54,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:54,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:54,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:54,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:54,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:54,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:24:54,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:24:54,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:24:54,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:24:54,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:54,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:54,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:54,341 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:54,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:24:54,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:24:54,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:24:54,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:24:54,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:24:54,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:24:54,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:24:54,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:24:54,414 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:24:54,476 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-20 12:24:54,476 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-20 12:24:54,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:24:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:54,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:24:54,511 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:24:54,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:24:54,534 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:24:54,534 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:24:54,535 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_init_nondet_~i~0#1) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_init_nondet_~i~0#1 Supporting invariants [] [2022-11-20 12:24:54,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:54,573 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2022-11-20 12:24:54,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:54,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:24:54,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:24:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:54,648 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:24:54,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:24:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:24:54,761 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 12:24:54,764 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 27 states have internal predecessors, (44), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:54,881 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 27 states have internal predecessors, (44), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 119 transitions. Complement of second has 8 states. [2022-11-20 12:24:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:24:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2022-11-20 12:24:54,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 12:24:54,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:24:54,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 12:24:54,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:24:54,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 12:24:54,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:24:54,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 119 transitions. [2022-11-20 12:24:54,897 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:54,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 22 states and 32 transitions. [2022-11-20 12:24:54,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-20 12:24:54,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 12:24:54,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 32 transitions. [2022-11-20 12:24:54,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:24:54,903 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 32 transitions. [2022-11-20 12:24:54,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 32 transitions. [2022-11-20 12:24:54,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-20 12:24:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 21 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:54,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 32 transitions. [2022-11-20 12:24:54,928 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 32 transitions. [2022-11-20 12:24:54,928 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 32 transitions. [2022-11-20 12:24:54,929 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:24:54,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 32 transitions. [2022-11-20 12:24:54,929 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:54,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:54,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:54,930 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 12:24:54,930 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:24:54,930 INFO L748 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 184#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 195#L17-3 assume !(init_nondet_~i~0#1 < 10); 190#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 191#L28-3 [2022-11-20 12:24:54,931 INFO L750 eck$LassoCheckResult]: Loop: 191#L28-3 assume !!(rangesum_~i~1#1 < 10); 192#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 193#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 191#L28-3 [2022-11-20 12:24:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:54,933 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-20 12:24:54,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:54,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073502819] [2022-11-20 12:24:54,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:54,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:24:55,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:24:55,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073502819] [2022-11-20 12:24:55,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073502819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:24:55,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:24:55,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:24:55,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215246077] [2022-11-20 12:24:55,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:24:55,057 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:24:55,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:55,057 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 1 times [2022-11-20 12:24:55,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:55,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091413999] [2022-11-20 12:24:55,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:55,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:55,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:55,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:55,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:24:55,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:24:55,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:24:55,138 INFO L87 Difference]: Start difference. First operand 22 states and 32 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:24:55,151 INFO L93 Difference]: Finished difference Result 23 states and 32 transitions. [2022-11-20 12:24:55,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 32 transitions. [2022-11-20 12:24:55,152 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:55,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 32 transitions. [2022-11-20 12:24:55,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-20 12:24:55,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 12:24:55,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2022-11-20 12:24:55,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:24:55,153 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2022-11-20 12:24:55,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2022-11-20 12:24:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-20 12:24:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2022-11-20 12:24:55,155 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2022-11-20 12:24:55,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:24:55,157 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2022-11-20 12:24:55,157 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:24:55,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2022-11-20 12:24:55,158 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:55,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:55,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:55,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:24:55,158 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:24:55,159 INFO L748 eck$LassoCheckResult]: Stem: 234#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 235#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 247#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 248#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 249#L17-3 assume !(init_nondet_~i~0#1 < 10); 241#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 242#L28-3 [2022-11-20 12:24:55,159 INFO L750 eck$LassoCheckResult]: Loop: 242#L28-3 assume !!(rangesum_~i~1#1 < 10); 243#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 244#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 242#L28-3 [2022-11-20 12:24:55,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-20 12:24:55,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:55,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61815863] [2022-11-20 12:24:55,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:55,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:24:55,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:24:55,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61815863] [2022-11-20 12:24:55,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61815863] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:24:55,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526804785] [2022-11-20 12:24:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:55,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:24:55,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:55,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:24:55,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 12:24:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:55,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:24:55,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:24:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:24:55,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:24:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:24:55,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526804785] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:24:55,356 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:24:55,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 12:24:55,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857531368] [2022-11-20 12:24:55,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:24:55,361 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:24:55,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:55,362 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 2 times [2022-11-20 12:24:55,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:55,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040495870] [2022-11-20 12:24:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:55,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:55,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:55,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:55,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:24:55,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:24:55,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:24:55,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:24:55,467 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 14 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:55,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:24:55,511 INFO L93 Difference]: Finished difference Result 28 states and 37 transitions. [2022-11-20 12:24:55,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 37 transitions. [2022-11-20 12:24:55,516 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:55,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 37 transitions. [2022-11-20 12:24:55,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-20 12:24:55,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 12:24:55,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 37 transitions. [2022-11-20 12:24:55,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:24:55,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2022-11-20 12:24:55,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 37 transitions. [2022-11-20 12:24:55,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-20 12:24:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 27 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2022-11-20 12:24:55,524 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2022-11-20 12:24:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:24:55,526 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2022-11-20 12:24:55,526 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:24:55,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 37 transitions. [2022-11-20 12:24:55,530 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:55,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:55,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:55,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-20 12:24:55,532 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:24:55,532 INFO L748 eck$LassoCheckResult]: Stem: 324#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 325#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 336#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 337#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 338#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 339#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 351#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 350#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 349#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 348#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 347#L17-3 assume !(init_nondet_~i~0#1 < 10); 331#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 332#L28-3 [2022-11-20 12:24:55,532 INFO L750 eck$LassoCheckResult]: Loop: 332#L28-3 assume !!(rangesum_~i~1#1 < 10); 333#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 334#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 332#L28-3 [2022-11-20 12:24:55,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:55,533 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-20 12:24:55,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:55,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550123369] [2022-11-20 12:24:55,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:55,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:24:55,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:24:55,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550123369] [2022-11-20 12:24:55,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550123369] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:24:55,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34456013] [2022-11-20 12:24:55,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:24:55,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:24:55,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:55,698 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:24:55,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 12:24:55,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:24:55,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:24:55,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:24:55,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:24:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:24:55,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:24:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:24:55,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34456013] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:24:55,892 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:24:55,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-20 12:24:55,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59221470] [2022-11-20 12:24:55,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:24:55,894 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:24:55,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:55,895 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 3 times [2022-11-20 12:24:55,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:55,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028456278] [2022-11-20 12:24:55,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:55,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:55,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:55,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:55,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:24:55,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 12:24:55,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:24:55,987 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. cyclomatic complexity: 14 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:56,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:24:56,047 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2022-11-20 12:24:56,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2022-11-20 12:24:56,050 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:56,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 49 transitions. [2022-11-20 12:24:56,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-20 12:24:56,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 12:24:56,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 49 transitions. [2022-11-20 12:24:56,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:24:56,053 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-11-20 12:24:56,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 49 transitions. [2022-11-20 12:24:56,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-20 12:24:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-11-20 12:24:56,060 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-11-20 12:24:56,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:24:56,061 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-11-20 12:24:56,061 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 12:24:56,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2022-11-20 12:24:56,064 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:56,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:56,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:56,066 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2022-11-20 12:24:56,066 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:24:56,067 INFO L748 eck$LassoCheckResult]: Stem: 474#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 475#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 486#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 487#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 488#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 489#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 494#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 513#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 512#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 511#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 510#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 509#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 508#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 507#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 506#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 505#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 504#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 503#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 502#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 501#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 500#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 499#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 498#L17-3 assume !(init_nondet_~i~0#1 < 10); 481#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 482#L28-3 [2022-11-20 12:24:56,067 INFO L750 eck$LassoCheckResult]: Loop: 482#L28-3 assume !!(rangesum_~i~1#1 < 10); 483#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 484#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 482#L28-3 [2022-11-20 12:24:56,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:56,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2022-11-20 12:24:56,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:56,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412423807] [2022-11-20 12:24:56,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:56,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:56,158 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 4 times [2022-11-20 12:24:56,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:56,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865405249] [2022-11-20 12:24:56,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:56,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:56,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1328180093, now seen corresponding path program 1 times [2022-11-20 12:24:56,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:56,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846451838] [2022-11-20 12:24:56,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:24:56,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:24:56,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846451838] [2022-11-20 12:24:56,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846451838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:24:56,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:24:56,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:24:56,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037772922] [2022-11-20 12:24:56,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:24:56,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:24:56,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:24:56,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:24:56,363 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:56,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:24:56,406 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2022-11-20 12:24:56,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 58 transitions. [2022-11-20 12:24:56,407 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:56,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 49 states and 58 transitions. [2022-11-20 12:24:56,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-11-20 12:24:56,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-11-20 12:24:56,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 58 transitions. [2022-11-20 12:24:56,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:24:56,408 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 58 transitions. [2022-11-20 12:24:56,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 58 transitions. [2022-11-20 12:24:56,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2022-11-20 12:24:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 45 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:56,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2022-11-20 12:24:56,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 55 transitions. [2022-11-20 12:24:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:24:56,413 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 55 transitions. [2022-11-20 12:24:56,413 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 12:24:56,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 55 transitions. [2022-11-20 12:24:56,414 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:56,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:56,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:56,415 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1] [2022-11-20 12:24:56,415 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:24:56,415 INFO L748 eck$LassoCheckResult]: Stem: 571#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 572#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 584#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 585#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 586#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 587#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 616#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 615#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 614#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 613#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 612#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 611#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 610#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 609#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 608#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 607#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 606#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 605#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 604#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 603#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 602#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 599#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 598#L17-3 assume !(init_nondet_~i~0#1 < 10); 577#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 578#L28-3 assume !!(rangesum_~i~1#1 < 10); 579#L29 assume !(rangesum_~i~1#1 > 5); 580#L28-2 [2022-11-20 12:24:56,416 INFO L750 eck$LassoCheckResult]: Loop: 580#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 581#L28-3 assume !!(rangesum_~i~1#1 < 10); 601#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 580#L28-2 [2022-11-20 12:24:56,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:56,416 INFO L85 PathProgramCache]: Analyzing trace with hash -95702812, now seen corresponding path program 1 times [2022-11-20 12:24:56,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:56,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911142825] [2022-11-20 12:24:56,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:56,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:56,456 INFO L85 PathProgramCache]: Analyzing trace with hash 60353, now seen corresponding path program 5 times [2022-11-20 12:24:56,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:56,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438435476] [2022-11-20 12:24:56,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:56,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:56,465 INFO L85 PathProgramCache]: Analyzing trace with hash 775842814, now seen corresponding path program 1 times [2022-11-20 12:24:56,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:56,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507656917] [2022-11-20 12:24:56,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:56,536 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:24:56,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:24:56,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507656917] [2022-11-20 12:24:56,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507656917] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:24:56,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669500704] [2022-11-20 12:24:56,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:24:56,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:56,542 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:24:56,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 12:24:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:56,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:24:56,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:24:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:24:56,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:24:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:24:56,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669500704] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:24:56,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:24:56,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-20 12:24:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801771183] [2022-11-20 12:24:56,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:24:56,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:24:56,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:24:56,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:24:56,788 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. cyclomatic complexity: 14 Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:56,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:24:56,898 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2022-11-20 12:24:56,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 85 transitions. [2022-11-20 12:24:56,899 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:24:56,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 76 states and 85 transitions. [2022-11-20 12:24:56,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2022-11-20 12:24:56,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2022-11-20 12:24:56,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 85 transitions. [2022-11-20 12:24:56,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:24:56,905 INFO L218 hiAutomatonCegarLoop]: Abstraction has 76 states and 85 transitions. [2022-11-20 12:24:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 85 transitions. [2022-11-20 12:24:56,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2022-11-20 12:24:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 72 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2022-11-20 12:24:56,911 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 82 transitions. [2022-11-20 12:24:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:24:56,915 INFO L428 stractBuchiCegarLoop]: Abstraction has 73 states and 82 transitions. [2022-11-20 12:24:56,915 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 12:24:56,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 82 transitions. [2022-11-20 12:24:56,917 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:56,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:56,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:56,919 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 3, 1, 1, 1, 1] [2022-11-20 12:24:56,919 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:24:56,919 INFO L748 eck$LassoCheckResult]: Stem: 873#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 874#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 886#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 887#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 888#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 889#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 923#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 922#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 921#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 920#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 919#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 918#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 917#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 916#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 915#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 914#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 913#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 912#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 911#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 910#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 909#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 902#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 901#L17-3 assume !(init_nondet_~i~0#1 < 10); 879#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 880#L28-3 assume !!(rangesum_~i~1#1 < 10); 930#L29 assume !(rangesum_~i~1#1 > 5); 883#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 884#L28-3 assume !!(rangesum_~i~1#1 < 10); 881#L29 assume !(rangesum_~i~1#1 > 5); 882#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 928#L28-3 assume !!(rangesum_~i~1#1 < 10); 927#L29 assume !(rangesum_~i~1#1 > 5); 926#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 925#L28-3 assume !!(rangesum_~i~1#1 < 10); 924#L29 assume !(rangesum_~i~1#1 > 5); 908#L28-2 [2022-11-20 12:24:56,920 INFO L750 eck$LassoCheckResult]: Loop: 908#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 905#L28-3 assume !!(rangesum_~i~1#1 < 10); 906#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 908#L28-2 [2022-11-20 12:24:56,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:56,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1594065280, now seen corresponding path program 1 times [2022-11-20 12:24:56,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:56,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196586209] [2022-11-20 12:24:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:56,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:56,987 INFO L85 PathProgramCache]: Analyzing trace with hash 60353, now seen corresponding path program 6 times [2022-11-20 12:24:56,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:56,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36888129] [2022-11-20 12:24:56,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:56,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:56,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:57,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:57,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:57,004 INFO L85 PathProgramCache]: Analyzing trace with hash -654604830, now seen corresponding path program 2 times [2022-11-20 12:24:57,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:57,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582800462] [2022-11-20 12:24:57,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:57,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:24:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:24:57,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:24:57,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582800462] [2022-11-20 12:24:57,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582800462] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:24:57,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233327189] [2022-11-20 12:24:57,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:24:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:24:57,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:24:57,142 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:24:57,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 12:24:57,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:24:57,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:24:57,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:24:57,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:24:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:24:57,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:24:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:24:57,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233327189] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:24:57,351 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:24:57,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2022-11-20 12:24:57,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881885574] [2022-11-20 12:24:57,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:24:57,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:24:57,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:24:57,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:24:57,421 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. cyclomatic complexity: 14 Second operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:24:57,554 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2022-11-20 12:24:57,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 103 transitions. [2022-11-20 12:24:57,555 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:24:57,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 94 states and 103 transitions. [2022-11-20 12:24:57,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2022-11-20 12:24:57,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2022-11-20 12:24:57,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 103 transitions. [2022-11-20 12:24:57,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:24:57,557 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 103 transitions. [2022-11-20 12:24:57,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 103 transitions. [2022-11-20 12:24:57,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2022-11-20 12:24:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.098901098901099) internal successors, (100), 90 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:24:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2022-11-20 12:24:57,561 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 100 transitions. [2022-11-20 12:24:57,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:24:57,562 INFO L428 stractBuchiCegarLoop]: Abstraction has 91 states and 100 transitions. [2022-11-20 12:24:57,562 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 12:24:57,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 100 transitions. [2022-11-20 12:24:57,563 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:24:57,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:24:57,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:24:57,564 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 6, 6, 5, 1, 1, 1, 1] [2022-11-20 12:24:57,564 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:24:57,564 INFO L748 eck$LassoCheckResult]: Stem: 1276#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 1277#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 1289#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1290#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1291#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1292#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1328#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1327#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1326#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1325#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1324#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1323#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1322#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1321#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1320#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1319#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1318#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1317#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1316#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1315#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1314#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1307#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1306#L17-3 assume !(init_nondet_~i~0#1 < 10); 1282#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1283#L28-3 assume !!(rangesum_~i~1#1 < 10); 1341#L29 assume !(rangesum_~i~1#1 > 5); 1286#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1287#L28-3 assume !!(rangesum_~i~1#1 < 10); 1284#L29 assume !(rangesum_~i~1#1 > 5); 1285#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1339#L28-3 assume !!(rangesum_~i~1#1 < 10); 1338#L29 assume !(rangesum_~i~1#1 > 5); 1337#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1336#L28-3 assume !!(rangesum_~i~1#1 < 10); 1335#L29 assume !(rangesum_~i~1#1 > 5); 1334#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1333#L28-3 assume !!(rangesum_~i~1#1 < 10); 1332#L29 assume !(rangesum_~i~1#1 > 5); 1331#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1330#L28-3 assume !!(rangesum_~i~1#1 < 10); 1329#L29 assume !(rangesum_~i~1#1 > 5); 1313#L28-2 [2022-11-20 12:24:57,564 INFO L750 eck$LassoCheckResult]: Loop: 1313#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1310#L28-3 assume !!(rangesum_~i~1#1 < 10); 1311#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 1313#L28-2 [2022-11-20 12:24:57,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:57,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2114090752, now seen corresponding path program 2 times [2022-11-20 12:24:57,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:57,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961228710] [2022-11-20 12:24:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:57,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:57,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:57,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:57,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:57,601 INFO L85 PathProgramCache]: Analyzing trace with hash 60353, now seen corresponding path program 7 times [2022-11-20 12:24:57,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:57,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502968944] [2022-11-20 12:24:57,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:57,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:57,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:57,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:24:57,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:24:57,608 INFO L85 PathProgramCache]: Analyzing trace with hash -522805150, now seen corresponding path program 3 times [2022-11-20 12:24:57,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:24:57,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032956771] [2022-11-20 12:24:57,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:24:57,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:24:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:57,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:24:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:24:57,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:04,809 WARN L233 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 260 DAG size of output: 197 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:25:05,848 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:25:05,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:25:05,848 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:25:05,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:25:05,849 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:25:05,849 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:05,849 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:25:05,849 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:25:05,849 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum10.i_Iteration8_Lasso [2022-11-20 12:25:05,849 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:25:05,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:25:05,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:05,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:05,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:05,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,026 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,028 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,031 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:08,618 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:25:08,618 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:25:08,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,622 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:25:08,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:25:08,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:25:08,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:25:08,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:08,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:08,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,672 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:25:08,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:25:08,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:25:08,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:25:08,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:08,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:08,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,708 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:25:08,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:25:08,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:25:08,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:25:08,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:08,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:08,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,760 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 12:25:08,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:08,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:08,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:08,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:08,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,802 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 12:25:08,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:08,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:08,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:08,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:08,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,861 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 12:25:08,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:08,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:08,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:08,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:08,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,908 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 12:25:08,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:08,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:08,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:08,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-20 12:25:08,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,948 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 12:25:08,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:08,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:08,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:08,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:08,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:08,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:08,983 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:08,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 12:25:08,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:08,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:08,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:08,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:08,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:08,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:08,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:09,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:09,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-20 12:25:09,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:09,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:09,013 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:09,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 12:25:09,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:09,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:09,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:09,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:09,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:09,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:09,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:09,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:09,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:09,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:09,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:09,052 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:09,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 12:25:09,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:09,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:09,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:09,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:09,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:09,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:09,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:09,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:09,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:09,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:09,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:09,089 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:09,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:09,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 12:25:09,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:09,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:09,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:09,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:09,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:09,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:09,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:09,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:09,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:09,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:09,132 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:09,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:09,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:09,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:09,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:09,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:09,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 12:25:09,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:09,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:09,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:09,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:09,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:09,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:09,176 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:09,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 12:25:09,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:09,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:09,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:09,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:09,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:09,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:25:09,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:25:09,224 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:25:09,248 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 12:25:09,248 INFO L444 ModelExtractionUtils]: 20 out of 31 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 12:25:09,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:09,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:09,253 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:09,255 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:25:09,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 12:25:09,273 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:25:09,273 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:25:09,273 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_rangesum_~i~1#1) = -2*ULTIMATE.start_rangesum_~i~1#1 + 17 Supporting invariants [] [2022-11-20 12:25:09,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-20 12:25:09,483 INFO L156 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2022-11-20 12:25:09,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:09,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:25:09,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:09,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:25:09,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:09,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:09,633 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 12:25:09,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 91 states and 100 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:09,664 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 91 states and 100 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 104 states and 116 transitions. Complement of second has 7 states. [2022-11-20 12:25:09,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:25:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:09,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-20 12:25:09,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 41 letters. Loop has 3 letters. [2022-11-20 12:25:09,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:25:09,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 44 letters. Loop has 3 letters. [2022-11-20 12:25:09,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:25:09,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 41 letters. Loop has 6 letters. [2022-11-20 12:25:09,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:25:09,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 116 transitions. [2022-11-20 12:25:09,668 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-20 12:25:09,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 93 states and 104 transitions. [2022-11-20 12:25:09,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2022-11-20 12:25:09,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2022-11-20 12:25:09,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 104 transitions. [2022-11-20 12:25:09,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:25:09,670 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 104 transitions. [2022-11-20 12:25:09,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 104 transitions. [2022-11-20 12:25:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-20 12:25:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.118279569892473) internal successors, (104), 92 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2022-11-20 12:25:09,674 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 104 transitions. [2022-11-20 12:25:09,674 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 104 transitions. [2022-11-20 12:25:09,674 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 12:25:09,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 104 transitions. [2022-11-20 12:25:09,675 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-20 12:25:09,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:25:09,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:25:09,676 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:09,676 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:25:09,677 INFO L748 eck$LassoCheckResult]: Stem: 1791#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 1792#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 1807#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1808#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1809#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1810#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1868#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1867#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1866#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1865#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1864#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1863#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1862#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1861#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1860#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1859#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1858#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1857#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1856#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1855#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1854#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1824#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1823#L17-3 assume !(init_nondet_~i~0#1 < 10); 1797#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1798#L28-3 assume !!(rangesum_~i~1#1 < 10); 1799#L29 assume !(rangesum_~i~1#1 > 5); 1800#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1803#L28-3 assume !!(rangesum_~i~1#1 < 10); 1848#L29 assume !(rangesum_~i~1#1 > 5); 1804#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1805#L28-3 assume !!(rangesum_~i~1#1 < 10); 1801#L29 assume !(rangesum_~i~1#1 > 5); 1802#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1845#L28-3 assume !!(rangesum_~i~1#1 < 10); 1843#L29 assume !(rangesum_~i~1#1 > 5); 1841#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1839#L28-3 assume !!(rangesum_~i~1#1 < 10); 1837#L29 assume !(rangesum_~i~1#1 > 5); 1835#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1833#L28-3 assume !!(rangesum_~i~1#1 < 10); 1830#L29 assume !(rangesum_~i~1#1 > 5); 1825#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1818#L28-3 assume !(rangesum_~i~1#1 < 10); 1819#L28-4 assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0; 1813#L37 main_#t~ret5#1 := rangesum_#res#1;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1795#L28-8 assume !!(rangesum_~i~1#1 < 10); 1796#L29-2 assume !(rangesum_~i~1#1 > 5); 1811#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1812#L28-8 assume !!(rangesum_~i~1#1 < 10); 1853#L29-2 assume !(rangesum_~i~1#1 > 5); 1852#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1851#L28-8 assume !!(rangesum_~i~1#1 < 10); 1850#L29-2 assume !(rangesum_~i~1#1 > 5); 1849#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1847#L28-8 assume !!(rangesum_~i~1#1 < 10); 1846#L29-2 assume !(rangesum_~i~1#1 > 5); 1844#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1842#L28-8 assume !!(rangesum_~i~1#1 < 10); 1840#L29-2 assume !(rangesum_~i~1#1 > 5); 1838#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1836#L28-8 assume !!(rangesum_~i~1#1 < 10); 1834#L29-2 assume !(rangesum_~i~1#1 > 5); 1831#L28-7 [2022-11-20 12:25:09,677 INFO L750 eck$LassoCheckResult]: Loop: 1831#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1826#L28-8 assume !!(rangesum_~i~1#1 < 10); 1827#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 1831#L28-7 [2022-11-20 12:25:09,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:09,677 INFO L85 PathProgramCache]: Analyzing trace with hash -365260545, now seen corresponding path program 1 times [2022-11-20 12:25:09,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:09,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223610575] [2022-11-20 12:25:09,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:09,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-20 12:25:09,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:09,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223610575] [2022-11-20 12:25:09,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223610575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:09,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:25:09,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:25:09,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463730878] [2022-11-20 12:25:09,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:09,750 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:25:09,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:09,750 INFO L85 PathProgramCache]: Analyzing trace with hash 85178, now seen corresponding path program 1 times [2022-11-20 12:25:09,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:09,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959576615] [2022-11-20 12:25:09,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:09,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:09,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:09,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:09,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:09,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:25:09,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:25:09,831 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:09,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:09,892 INFO L93 Difference]: Finished difference Result 108 states and 123 transitions. [2022-11-20 12:25:09,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 123 transitions. [2022-11-20 12:25:09,893 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2022-11-20 12:25:09,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 106 states and 119 transitions. [2022-11-20 12:25:09,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2022-11-20 12:25:09,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2022-11-20 12:25:09,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 119 transitions. [2022-11-20 12:25:09,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:25:09,895 INFO L218 hiAutomatonCegarLoop]: Abstraction has 106 states and 119 transitions. [2022-11-20 12:25:09,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 119 transitions. [2022-11-20 12:25:09,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 95. [2022-11-20 12:25:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.0947368421052632) internal successors, (104), 94 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2022-11-20 12:25:09,899 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 104 transitions. [2022-11-20 12:25:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:25:09,900 INFO L428 stractBuchiCegarLoop]: Abstraction has 95 states and 104 transitions. [2022-11-20 12:25:09,900 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 12:25:09,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 104 transitions. [2022-11-20 12:25:09,901 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:25:09,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:25:09,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:25:09,902 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 7, 7, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:09,903 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:25:09,903 INFO L748 eck$LassoCheckResult]: Stem: 1999#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 2000#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 2015#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2016#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2017#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2018#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2051#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2050#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2049#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2048#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2047#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2046#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2045#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2044#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2043#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2042#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2041#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2040#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2039#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2038#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2037#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2032#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2031#L17-3 assume !(init_nondet_~i~0#1 < 10); 2005#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2006#L28-3 assume !!(rangesum_~i~1#1 < 10); 2007#L29 assume !(rangesum_~i~1#1 > 5); 2008#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2011#L28-3 assume !!(rangesum_~i~1#1 < 10); 2077#L29 assume !(rangesum_~i~1#1 > 5); 2012#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2013#L28-3 assume !!(rangesum_~i~1#1 < 10); 2009#L29 assume !(rangesum_~i~1#1 > 5); 2010#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2076#L28-3 assume !!(rangesum_~i~1#1 < 10); 2075#L29 assume !(rangesum_~i~1#1 > 5); 2074#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2073#L28-3 assume !!(rangesum_~i~1#1 < 10); 2072#L29 assume !(rangesum_~i~1#1 > 5); 2071#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2070#L28-3 assume !!(rangesum_~i~1#1 < 10); 2069#L29 assume !(rangesum_~i~1#1 > 5); 2054#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2068#L28-3 assume !!(rangesum_~i~1#1 < 10); 2053#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2033#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2026#L28-3 assume !(rangesum_~i~1#1 < 10); 2027#L28-4 assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0; 2020#L37 main_#t~ret5#1 := rangesum_#res#1;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2021#L28-8 assume !!(rangesum_~i~1#1 < 10); 2030#L29-2 assume !(rangesum_~i~1#1 > 5); 2019#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2003#L28-8 assume !!(rangesum_~i~1#1 < 10); 2004#L29-2 assume !(rangesum_~i~1#1 > 5); 2067#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2066#L28-8 assume !!(rangesum_~i~1#1 < 10); 2065#L29-2 assume !(rangesum_~i~1#1 > 5); 2064#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2063#L28-8 assume !!(rangesum_~i~1#1 < 10); 2062#L29-2 assume !(rangesum_~i~1#1 > 5); 2061#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2060#L28-8 assume !!(rangesum_~i~1#1 < 10); 2059#L29-2 assume !(rangesum_~i~1#1 > 5); 2058#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2057#L28-8 assume !!(rangesum_~i~1#1 < 10); 2056#L29-2 assume !(rangesum_~i~1#1 > 5); 2052#L28-7 [2022-11-20 12:25:09,903 INFO L750 eck$LassoCheckResult]: Loop: 2052#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2055#L28-8 assume !!(rangesum_~i~1#1 < 10); 2035#L29-2 assume !(rangesum_~i~1#1 > 5); 2052#L28-7 [2022-11-20 12:25:09,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:09,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1039890653, now seen corresponding path program 1 times [2022-11-20 12:25:09,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:09,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627966519] [2022-11-20 12:25:09,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:09,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-11-20 12:25:09,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:09,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627966519] [2022-11-20 12:25:09,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627966519] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:25:09,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233176110] [2022-11-20 12:25:09,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:09,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:09,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:09,987 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:10,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-11-20 12:25:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:10,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:25:10,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-11-20 12:25:10,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:25:10,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233176110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:10,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:25:10,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2022-11-20 12:25:10,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898549426] [2022-11-20 12:25:10,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:10,183 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:25:10,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:10,184 INFO L85 PathProgramCache]: Analyzing trace with hash 85180, now seen corresponding path program 1 times [2022-11-20 12:25:10,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:10,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755115487] [2022-11-20 12:25:10,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:10,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:10,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:10,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:10,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:10,208 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:25:10,208 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:25:10,208 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:25:10,208 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:25:10,208 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:25:10,208 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:10,208 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:25:10,208 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:25:10,208 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum10.i_Iteration10_Loop [2022-11-20 12:25:10,208 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:25:10,208 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:25:10,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:10,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:10,236 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:25:10,236 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:25:10,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:10,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:10,239 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:10,243 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:25:10,243 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:25:10,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 12:25:10,281 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:25:10,281 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_rangesum_#t~post3#1=0} Honda state: {ULTIMATE.start_rangesum_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:25:10,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:10,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:10,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:10,292 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:10,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:25:10,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:25:10,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 12:25:10,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-20 12:25:10,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:10,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:10,371 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:10,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 12:25:10,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:25:10,411 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:25:10,476 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:25:10,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-20 12:25:10,480 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:25:10,480 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:25:10,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:25:10,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:25:10,480 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:25:10,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:10,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:25:10,480 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:25:10,480 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum10.i_Iteration10_Loop [2022-11-20 12:25:10,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:25:10,480 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:25:10,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:10,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:25:10,510 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:25:10,510 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:25:10,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:10,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:10,511 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:10,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:10,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:10,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:25:10,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:10,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:10,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:10,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:25:10,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:25:10,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 12:25:10,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:25:10,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:10,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:10,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:10,543 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:10,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:25:10,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:25:10,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:25:10,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:25:10,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:25:10,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:25:10,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:25:10,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:25:10,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 12:25:10,572 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:25:10,574 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 12:25:10,574 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 12:25:10,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:25:10,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:10,577 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:10,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 12:25:10,578 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:25:10,579 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 12:25:10,579 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:25:10,579 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_rangesum_~i~1#1) = -2*ULTIMATE.start_rangesum_~i~1#1 + 9 Supporting invariants [] [2022-11-20 12:25:10,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-20 12:25:10,582 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 12:25:10,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:10,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:25:10,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:10,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:25:10,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:10,780 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 12:25:10,780 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 95 states and 104 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:10,808 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 95 states and 104 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 114 states and 126 transitions. Complement of second has 5 states. [2022-11-20 12:25:10,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 12:25:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2022-11-20 12:25:10,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 65 letters. Loop has 3 letters. [2022-11-20 12:25:10,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:25:10,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 68 letters. Loop has 3 letters. [2022-11-20 12:25:10,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:25:10,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 65 letters. Loop has 6 letters. [2022-11-20 12:25:10,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:25:10,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 126 transitions. [2022-11-20 12:25:10,811 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-20 12:25:10,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 99 states and 109 transitions. [2022-11-20 12:25:10,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2022-11-20 12:25:10,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2022-11-20 12:25:10,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 109 transitions. [2022-11-20 12:25:10,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:25:10,813 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 109 transitions. [2022-11-20 12:25:10,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 109 transitions. [2022-11-20 12:25:10,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2022-11-20 12:25:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.1020408163265305) internal successors, (108), 97 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2022-11-20 12:25:10,815 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 108 transitions. [2022-11-20 12:25:10,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:10,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:25:10,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:25:10,816 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:10,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:10,840 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2022-11-20 12:25:10,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 122 transitions. [2022-11-20 12:25:10,841 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-20 12:25:10,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 109 states and 122 transitions. [2022-11-20 12:25:10,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2022-11-20 12:25:10,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2022-11-20 12:25:10,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 109 states and 122 transitions. [2022-11-20 12:25:10,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:25:10,842 INFO L218 hiAutomatonCegarLoop]: Abstraction has 109 states and 122 transitions. [2022-11-20 12:25:10,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states and 122 transitions. [2022-11-20 12:25:10,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 98. [2022-11-20 12:25:10,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.0816326530612246) internal successors, (106), 97 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2022-11-20 12:25:10,846 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 106 transitions. [2022-11-20 12:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:25:10,847 INFO L428 stractBuchiCegarLoop]: Abstraction has 98 states and 106 transitions. [2022-11-20 12:25:10,847 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 12:25:10,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 106 transitions. [2022-11-20 12:25:10,848 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-20 12:25:10,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:25:10,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:25:10,849 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:10,849 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:25:10,850 INFO L748 eck$LassoCheckResult]: Stem: 2832#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 2833#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 2850#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2851#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2852#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2853#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2889#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2888#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2887#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2886#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2885#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2884#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2883#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2882#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2881#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2880#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2879#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2878#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2875#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2873#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2872#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2869#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2868#L17-3 assume !(init_nondet_~i~0#1 < 10); 2840#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2841#L28-3 assume !!(rangesum_~i~1#1 < 10); 2842#L29 assume !(rangesum_~i~1#1 > 5); 2843#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2847#L28-3 assume !!(rangesum_~i~1#1 < 10); 2902#L29 assume !(rangesum_~i~1#1 > 5); 2848#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2849#L28-3 assume !!(rangesum_~i~1#1 < 10); 2844#L29 assume !(rangesum_~i~1#1 > 5); 2845#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2901#L28-3 assume !!(rangesum_~i~1#1 < 10); 2900#L29 assume !(rangesum_~i~1#1 > 5); 2899#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2898#L28-3 assume !!(rangesum_~i~1#1 < 10); 2897#L29 assume !(rangesum_~i~1#1 > 5); 2896#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2895#L28-3 assume !!(rangesum_~i~1#1 < 10); 2894#L29 assume !(rangesum_~i~1#1 > 5); 2877#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2893#L28-3 assume !!(rangesum_~i~1#1 < 10); 2876#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2874#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2863#L28-3 assume !(rangesum_~i~1#1 < 10); 2864#L28-4 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 2858#L37 main_#t~ret5#1 := rangesum_#res#1;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2859#L28-8 assume !!(rangesum_~i~1#1 < 10); 2867#L29-2 assume !(rangesum_~i~1#1 > 5); 2854#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2838#L28-8 assume !!(rangesum_~i~1#1 < 10); 2839#L29-2 assume !(rangesum_~i~1#1 > 5); 2855#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2856#L28-8 assume !!(rangesum_~i~1#1 < 10); 2913#L29-2 assume !(rangesum_~i~1#1 > 5); 2912#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2911#L28-8 assume !!(rangesum_~i~1#1 < 10); 2910#L29-2 assume !(rangesum_~i~1#1 > 5); 2909#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2908#L28-8 assume !!(rangesum_~i~1#1 < 10); 2905#L29-2 assume !(rangesum_~i~1#1 > 5); 2906#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2907#L28-8 assume !!(rangesum_~i~1#1 < 10); 2892#L29-2 assume !(rangesum_~i~1#1 > 5); 2890#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2836#L28-8 assume !!(rangesum_~i~1#1 < 10); 2837#L29-2 [2022-11-20 12:25:10,850 INFO L750 eck$LassoCheckResult]: Loop: 2837#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2871#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2870#L28-8 assume !!(rangesum_~i~1#1 < 10); 2837#L29-2 [2022-11-20 12:25:10,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:10,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1815162476, now seen corresponding path program 1 times [2022-11-20 12:25:10,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:10,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358536970] [2022-11-20 12:25:10,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:10,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:10,868 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:25:10,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1981188973] [2022-11-20 12:25:10,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:10,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:10,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:10,870 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:10,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-11-20 12:25:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:11,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:25:11,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 12:25:11,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:25:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 12:25:11,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:11,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358536970] [2022-11-20 12:25:11,239 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:25:11,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981188973] [2022-11-20 12:25:11,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981188973] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:25:11,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:25:11,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2022-11-20 12:25:11,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792625877] [2022-11-20 12:25:11,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:25:11,241 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:25:11,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash 81548, now seen corresponding path program 2 times [2022-11-20 12:25:11,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:11,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643341819] [2022-11-20 12:25:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:11,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:11,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:11,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:11,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:11,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:25:11,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:25:11,317 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. cyclomatic complexity: 14 Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:11,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:11,519 INFO L93 Difference]: Finished difference Result 145 states and 162 transitions. [2022-11-20 12:25:11,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 162 transitions. [2022-11-20 12:25:11,520 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2022-11-20 12:25:11,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 139 states and 156 transitions. [2022-11-20 12:25:11,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2022-11-20 12:25:11,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2022-11-20 12:25:11,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 156 transitions. [2022-11-20 12:25:11,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:25:11,523 INFO L218 hiAutomatonCegarLoop]: Abstraction has 139 states and 156 transitions. [2022-11-20 12:25:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 156 transitions. [2022-11-20 12:25:11,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 116. [2022-11-20 12:25:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.0948275862068966) internal successors, (127), 115 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 127 transitions. [2022-11-20 12:25:11,534 INFO L240 hiAutomatonCegarLoop]: Abstraction has 116 states and 127 transitions. [2022-11-20 12:25:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:25:11,540 INFO L428 stractBuchiCegarLoop]: Abstraction has 116 states and 127 transitions. [2022-11-20 12:25:11,540 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-20 12:25:11,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 127 transitions. [2022-11-20 12:25:11,541 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-20 12:25:11,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:25:11,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:25:11,542 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:11,542 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:25:11,544 INFO L748 eck$LassoCheckResult]: Stem: 3486#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 3487#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 3505#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3506#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3507#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3508#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3561#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3559#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3557#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3555#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3553#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3551#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3549#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3547#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3545#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3543#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3541#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3539#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3537#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3535#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3530#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3526#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3525#L17-3 assume !(init_nondet_~i~0#1 < 10); 3494#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 3495#L28-3 assume !!(rangesum_~i~1#1 < 10); 3496#L29 assume !(rangesum_~i~1#1 > 5); 3497#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3500#L28-3 assume !!(rangesum_~i~1#1 < 10); 3520#L29 assume !(rangesum_~i~1#1 > 5); 3501#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3502#L28-3 assume !!(rangesum_~i~1#1 < 10); 3498#L29 assume !(rangesum_~i~1#1 > 5); 3499#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3577#L28-3 assume !!(rangesum_~i~1#1 < 10); 3576#L29 assume !(rangesum_~i~1#1 > 5); 3575#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3574#L28-3 assume !!(rangesum_~i~1#1 < 10); 3573#L29 assume !(rangesum_~i~1#1 > 5); 3572#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3571#L28-3 assume !!(rangesum_~i~1#1 < 10); 3570#L29 assume !(rangesum_~i~1#1 > 5); 3534#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3569#L28-3 assume !!(rangesum_~i~1#1 < 10); 3568#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3567#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3566#L28-3 assume !!(rangesum_~i~1#1 < 10); 3565#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3564#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3563#L28-3 assume !!(rangesum_~i~1#1 < 10); 3562#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3533#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3536#L28-3 assume !!(rangesum_~i~1#1 < 10); 3531#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3532#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3518#L28-3 assume !(rangesum_~i~1#1 < 10); 3519#L28-4 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 3512#L37 main_#t~ret5#1 := rangesum_#res#1;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 3490#L28-8 assume !!(rangesum_~i~1#1 < 10); 3491#L29-2 assume !(rangesum_~i~1#1 > 5); 3509#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3510#L28-8 assume !!(rangesum_~i~1#1 < 10); 3581#L29-2 assume !(rangesum_~i~1#1 > 5); 3580#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3578#L28-8 assume !!(rangesum_~i~1#1 < 10); 3579#L29-2 assume !(rangesum_~i~1#1 > 5); 3586#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3585#L28-8 assume !!(rangesum_~i~1#1 < 10); 3584#L29-2 assume !(rangesum_~i~1#1 > 5); 3583#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3582#L28-8 assume !!(rangesum_~i~1#1 < 10); 3523#L29-2 assume !(rangesum_~i~1#1 > 5); 3524#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3587#L28-8 assume !!(rangesum_~i~1#1 < 10); 3560#L29-2 assume !(rangesum_~i~1#1 > 5); 3558#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3556#L28-8 assume !!(rangesum_~i~1#1 < 10); 3554#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3552#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3550#L28-8 assume !!(rangesum_~i~1#1 < 10); 3548#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3546#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3544#L28-8 assume !!(rangesum_~i~1#1 < 10); 3542#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3540#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3538#L28-8 assume !!(rangesum_~i~1#1 < 10); 3528#L29-2 [2022-11-20 12:25:11,544 INFO L750 eck$LassoCheckResult]: Loop: 3528#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3529#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3527#L28-8 assume !!(rangesum_~i~1#1 < 10); 3528#L29-2 [2022-11-20 12:25:11,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:11,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1484601769, now seen corresponding path program 1 times [2022-11-20 12:25:11,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:11,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963196152] [2022-11-20 12:25:11,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:11,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:11,569 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:25:11,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1346159192] [2022-11-20 12:25:11,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:11,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:11,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:11,574 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:11,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-11-20 12:25:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:11,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:12,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:12,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash 81548, now seen corresponding path program 3 times [2022-11-20 12:25:12,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:12,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278376678] [2022-11-20 12:25:12,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:12,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:12,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:12,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:12,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1801965686, now seen corresponding path program 2 times [2022-11-20 12:25:12,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:12,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36918149] [2022-11-20 12:25:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:12,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:12,103 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:25:12,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696333942] [2022-11-20 12:25:12,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:25:12,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:12,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:12,109 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:12,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-11-20 12:25:12,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:12,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:25:12,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:25:12,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:25:12,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2022-11-20 12:25:12,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:25:12,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:12,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36918149] [2022-11-20 12:25:12,350 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:25:12,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696333942] [2022-11-20 12:25:12,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696333942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:12,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:25:12,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:25:12,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921892571] [2022-11-20 12:25:12,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:12,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:12,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:25:12,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:25:12,412 INFO L87 Difference]: Start difference. First operand 116 states and 127 transitions. cyclomatic complexity: 17 Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:12,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:12,543 INFO L93 Difference]: Finished difference Result 139 states and 143 transitions. [2022-11-20 12:25:12,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 143 transitions. [2022-11-20 12:25:12,544 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-20 12:25:12,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 115 states and 119 transitions. [2022-11-20 12:25:12,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2022-11-20 12:25:12,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2022-11-20 12:25:12,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 119 transitions. [2022-11-20 12:25:12,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:25:12,546 INFO L218 hiAutomatonCegarLoop]: Abstraction has 115 states and 119 transitions. [2022-11-20 12:25:12,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 119 transitions. [2022-11-20 12:25:12,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 96. [2022-11-20 12:25:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.0416666666666667) internal successors, (100), 95 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:25:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 100 transitions. [2022-11-20 12:25:12,549 INFO L240 hiAutomatonCegarLoop]: Abstraction has 96 states and 100 transitions. [2022-11-20 12:25:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:25:12,559 INFO L428 stractBuchiCegarLoop]: Abstraction has 96 states and 100 transitions. [2022-11-20 12:25:12,559 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-20 12:25:12,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 100 transitions. [2022-11-20 12:25:12,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-20 12:25:12,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:25:12,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:25:12,561 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:12,561 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:25:12,562 INFO L748 eck$LassoCheckResult]: Stem: 4014#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 4015#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 4031#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4032#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4033#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4034#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4098#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4096#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4094#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4092#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4090#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4088#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4086#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4085#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4083#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4080#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4075#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4074#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4073#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4072#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4071#L17-3 assume !!(init_nondet_~i~0#1 < 10);call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 4051#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 4050#L17-3 assume !(init_nondet_~i~0#1 < 10); 4022#L15 assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 4023#L28-3 assume !!(rangesum_~i~1#1 < 10); 4024#L29 assume !(rangesum_~i~1#1 > 5); 4025#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4028#L28-3 assume !!(rangesum_~i~1#1 < 10); 4026#L29 assume !(rangesum_~i~1#1 > 5); 4027#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4029#L28-3 assume !!(rangesum_~i~1#1 < 10); 4102#L29 assume !(rangesum_~i~1#1 > 5); 4101#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4100#L28-3 assume !!(rangesum_~i~1#1 < 10); 4099#L29 assume !(rangesum_~i~1#1 > 5); 4097#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4095#L28-3 assume !!(rangesum_~i~1#1 < 10); 4093#L29 assume !(rangesum_~i~1#1 > 5); 4091#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4089#L28-3 assume !!(rangesum_~i~1#1 < 10); 4087#L29 assume !(rangesum_~i~1#1 > 5); 4082#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4084#L28-3 assume !!(rangesum_~i~1#1 < 10); 4081#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 4079#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4043#L28-3 assume !!(rangesum_~i~1#1 < 10); 4044#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 4068#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4066#L28-3 assume !!(rangesum_~i~1#1 < 10); 4064#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 4062#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4060#L28-3 assume !!(rangesum_~i~1#1 < 10); 4058#L29 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 4056#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4054#L28-3 assume !(rangesum_~i~1#1 < 10); 4046#L28-4 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 4038#L37 main_#t~ret5#1 := rangesum_#res#1;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 4039#L28-8 assume !!(rangesum_~i~1#1 < 10); 4048#L29-2 assume !(rangesum_~i~1#1 > 5); 4035#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4036#L28-8 assume !!(rangesum_~i~1#1 < 10); 4109#L29-2 assume !(rangesum_~i~1#1 > 5); 4037#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4020#L28-8 assume !!(rangesum_~i~1#1 < 10); 4021#L29-2 assume !(rangesum_~i~1#1 > 5); 4049#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4108#L28-8 assume !!(rangesum_~i~1#1 < 10); 4107#L29-2 assume !(rangesum_~i~1#1 > 5); 4106#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4105#L28-8 assume !!(rangesum_~i~1#1 < 10); 4104#L29-2 assume !(rangesum_~i~1#1 > 5); 4103#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4077#L28-8 assume !!(rangesum_~i~1#1 < 10); 4078#L29-2 assume !(rangesum_~i~1#1 > 5); 4076#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4018#L28-8 assume !!(rangesum_~i~1#1 < 10); 4019#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 4070#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4069#L28-8 assume !!(rangesum_~i~1#1 < 10); 4067#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 4065#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4063#L28-8 assume !!(rangesum_~i~1#1 < 10); 4061#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 4059#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4057#L28-8 assume !!(rangesum_~i~1#1 < 10); 4055#L29-2 assume rangesum_~i~1#1 > 5;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 4053#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 4052#L28-8 assume !(rangesum_~i~1#1 < 10); 4045#L28-9 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 4040#L37-1 main_#t~ret8#1 := rangesum_#res#1;assume { :end_inline_rangesum } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 4041#L54-3 [2022-11-20 12:25:12,562 INFO L750 eck$LassoCheckResult]: Loop: 4041#L54-3 assume !!(main_~i~2#1 < 9);call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1; 4042#L54-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 4041#L54-3 [2022-11-20 12:25:12,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:12,563 INFO L85 PathProgramCache]: Analyzing trace with hash 817204024, now seen corresponding path program 1 times [2022-11-20 12:25:12,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:12,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978460128] [2022-11-20 12:25:12,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:12,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:12,591 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:25:12,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113549190] [2022-11-20 12:25:12,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:12,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:12,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:12,593 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:12,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-20 12:25:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:12,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:13,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:13,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:13,194 INFO L85 PathProgramCache]: Analyzing trace with hash 3331, now seen corresponding path program 1 times [2022-11-20 12:25:13,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:13,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247555701] [2022-11-20 12:25:13,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:13,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:13,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:13,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:25:13,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:13,203 INFO L85 PathProgramCache]: Analyzing trace with hash -645945734, now seen corresponding path program 1 times [2022-11-20 12:25:13,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:13,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053576218] [2022-11-20 12:25:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:13,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:13,222 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:25:13,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550654153] [2022-11-20 12:25:13,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:13,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:13,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:13,230 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:13,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7cdeaf5-c6df-43b4-8eb1-9f9e1ae323a2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-11-20 12:25:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:13,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:25:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:25:13,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:27:42,792 WARN L233 SmtUtils]: Spent 2.48m on a formula simplification. DAG size of input: 533 DAG size of output: 391 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)