./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sum10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/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_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sum10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/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_af6f6cff-2e7b-45d6-a71f-535eb2af5469/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 f341d659968a9193c951bd8eec2bcf2a384f8494a1f57cb579da98ce5ebdb030 --- 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 11:57:57,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:57:57,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:57:57,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:57:57,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:57:57,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:57:57,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:57:57,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:57:57,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:57:57,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:57:57,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:57:57,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:57:57,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:57:57,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:57:57,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:57:57,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:57:57,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:57:57,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:57:57,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:57:57,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:57:57,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:57:57,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:57:57,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:57:57,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:57:57,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:57:57,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:57:57,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:57:57,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:57:57,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:57:57,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:57:57,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:57:57,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:57:57,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:57:57,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:57:57,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:57:57,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:57:57,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:57:57,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:57:57,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:57:57,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:57:57,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:57:57,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 11:57:57,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:57:57,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:57:57,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:57:57,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:57:57,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:57:57,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:57:57,864 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:57:57,864 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:57:57,864 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:57:57,865 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:57:57,865 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:57:57,865 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:57:57,865 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:57:57,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:57:57,866 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:57:57,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:57:57,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:57:57,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:57:57,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:57:57,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:57:57,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:57:57,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:57:57,868 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:57:57,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:57:57,868 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:57:57,868 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:57:57,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:57:57,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:57:57,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:57:57,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:57:57,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:57:57,871 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:57:57,872 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_af6f6cff-2e7b-45d6-a71f-535eb2af5469/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f341d659968a9193c951bd8eec2bcf2a384f8494a1f57cb579da98ce5ebdb030 [2022-11-20 11:57:58,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:57:58,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:57:58,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:57:58,220 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:57:58,221 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:57:58,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/reducercommutativity/sum10-1.i [2022-11-20 11:58:01,473 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:58:01,746 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:58:01,747 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/sv-benchmarks/c/reducercommutativity/sum10-1.i [2022-11-20 11:58:01,754 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/data/ce784f54c/b104ba58272b449fb5173478872ce87e/FLAG128a5da4c [2022-11-20 11:58:01,770 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/data/ce784f54c/b104ba58272b449fb5173478872ce87e [2022-11-20 11:58:01,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:58:01,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:58:01,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:58:01,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:58:01,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:58:01,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:58:01" (1/1) ... [2022-11-20 11:58:01,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59df43ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:01, skipping insertion in model container [2022-11-20 11:58:01,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:58:01" (1/1) ... [2022-11-20 11:58:01,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:58:01,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:58:01,996 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_af6f6cff-2e7b-45d6-a71f-535eb2af5469/sv-benchmarks/c/reducercommutativity/sum10-1.i[1277,1290] [2022-11-20 11:58:01,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:58:02,009 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:58:02,031 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_af6f6cff-2e7b-45d6-a71f-535eb2af5469/sv-benchmarks/c/reducercommutativity/sum10-1.i[1277,1290] [2022-11-20 11:58:02,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:58:02,047 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:58:02,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02 WrapperNode [2022-11-20 11:58:02,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:58:02,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:58:02,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:58:02,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:58:02,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,089 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-20 11:58:02,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:58:02,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:58:02,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:58:02,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:58:02,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,117 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:58:02,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:58:02,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:58:02,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:58:02,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (1/1) ... [2022-11-20 11:58:02,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:02,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:02,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:02,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:58:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:58:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:58:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:58:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:58:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:58:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:58:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:58:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:58:02,293 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:58:02,295 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:58:02,527 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:58:02,533 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:58:02,534 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 11:58:02,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:02 BoogieIcfgContainer [2022-11-20 11:58:02,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:58:02,537 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:58:02,537 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:58:02,541 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:58:02,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:58:02,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:58:01" (1/3) ... [2022-11-20 11:58:02,543 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@153c4b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:58:02, skipping insertion in model container [2022-11-20 11:58:02,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:58:02,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:02" (2/3) ... [2022-11-20 11:58:02,544 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@153c4b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:58:02, skipping insertion in model container [2022-11-20 11:58:02,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:58:02,544 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:02" (3/3) ... [2022-11-20 11:58:02,545 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum10-1.i [2022-11-20 11:58:02,620 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:58:02,620 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:58:02,621 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:58:02,621 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:58:02,621 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:58:02,621 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:58:02,621 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:58:02,622 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:58:02,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:58:02,647 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-11-20 11:58:02,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:02,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:02,654 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:58:02,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:02,654 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:58:02,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:58:02,657 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-11-20 11:58:02,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:02,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:02,658 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:58:02,658 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:02,666 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(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 14#L34-3true [2022-11-20 11:58:02,666 INFO L750 eck$LassoCheckResult]: Loop: 14#L34-3true assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 10#L34-2true main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 14#L34-3true [2022-11-20 11:58:02,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:02,672 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:58:02,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:02,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290552224] [2022-11-20 11:58:02,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:02,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:02,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:02,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:02,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-20 11:58:02,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:02,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689501039] [2022-11-20 11:58:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:02,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:02,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:02,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:02,852 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-20 11:58:02,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:02,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116780103] [2022-11-20 11:58:02,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:02,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:02,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:02,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:03,271 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:58:03,272 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:58:03,272 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:58:03,273 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:58:03,274 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:58:03,274 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:03,275 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:58:03,275 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:58:03,276 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum10-1.i_Iteration1_Lasso [2022-11-20 11:58:03,276 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:58:03,276 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:58:03,304 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 11:58:03,320 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 11:58:03,324 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 11:58:03,332 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 11:58:03,337 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 11:58:03,342 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 11:58:03,345 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 11:58:03,349 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 11:58:03,353 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 11:58:03,358 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 11:58:03,624 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 11:58:03,628 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 11:58:03,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:03,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:03,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:03,641 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 11:58:03,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:03,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:03,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:58:03,938 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:58:03,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:03,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:03,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:03,966 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 11:58:03,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:58:03,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:03,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:03,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:03,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:03,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:03,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:03,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:04,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,028 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 11:58:04,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:58:04,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:04,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:04,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:04,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:58:04,075 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 11:58:04,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:04,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:04,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,117 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,128 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 11:58:04,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:04,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:58:04,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:04,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:04,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,166 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:58:04,171 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 11:58:04,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:04,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:04,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:04,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,209 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,219 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 11:58:04,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:58:04,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:04,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:04,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:04,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,250 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:58:04,254 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 11:58:04,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:04,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:04,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:04,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,303 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,312 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 11:58:04,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:58:04,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:04,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:04,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:04,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,352 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,362 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 11:58:04,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:58:04,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:04,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:04,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,418 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,428 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 11:58:04,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:58:04,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:04,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:04,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,470 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:58:04,474 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 11:58:04,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:04,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:04,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:04,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,511 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,520 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 11:58:04,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:58:04,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:04,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:04,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:04,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:04,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:04,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:04,564 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:58:04,608 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-20 11:58:04,608 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-20 11:58:04,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:04,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:04,645 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:04,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:58:04,651 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:58:04,691 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:58:04,691 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:58:04,692 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2022-11-20 11:58:04,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:04,720 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-20 11:58:04,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:58:04,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:58:04,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:04,824 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 11:58:04,865 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 11:58:04,867 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 11:58:04,955 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 66 states and 92 transitions. Complement of second has 8 states. [2022-11-20 11:58:04,957 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 11:58:04,962 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 11:58:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2022-11-20 11:58:04,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 11:58:04,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:58:04,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 11:58:04,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:58:04,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 11:58:04,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:58:04,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 92 transitions. [2022-11-20 11:58:04,971 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 11:58:04,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 19 states and 24 transitions. [2022-11-20 11:58:04,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 11:58:04,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-20 11:58:04,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-11-20 11:58:04,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:04,977 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-20 11:58:04,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-11-20 11:58:05,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-20 11:58:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:58:05,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-11-20 11:58:05,009 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-20 11:58:05,009 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-20 11:58:05,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:58:05,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-11-20 11:58:05,011 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 11:58:05,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:05,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:05,011 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 11:58:05,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:05,012 INFO L748 eck$LassoCheckResult]: Stem: 150#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(10, 2); 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 162#L34-3 assume !(main_~i~1#1 < 10); 154#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 155#L20-3 [2022-11-20 11:58:05,012 INFO L750 eck$LassoCheckResult]: Loop: 155#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 168#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 155#L20-3 [2022-11-20 11:58:05,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:05,013 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-20 11:58:05,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:05,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785908812] [2022-11-20 11:58:05,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:05,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:05,091 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 11:58:05,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:05,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785908812] [2022-11-20 11:58:05,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785908812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:05,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:05,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:58:05,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783546956] [2022-11-20 11:58:05,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:05,100 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:58:05,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:05,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2022-11-20 11:58:05,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:05,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922109042] [2022-11-20 11:58:05,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:05,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:05,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:05,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:05,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:05,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:05,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:05,223 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 10 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 11:58:05,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:05,245 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-20 11:58:05,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2022-11-20 11:58:05,252 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 11:58:05,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2022-11-20 11:58:05,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-20 11:58:05,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-20 11:58:05,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-11-20 11:58:05,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:05,254 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-11-20 11:58:05,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-11-20 11:58:05,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-20 11:58:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:58:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-11-20 11:58:05,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-20 11:58:05,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:05,264 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-20 11:58:05,264 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:58:05,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-11-20 11:58:05,266 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 11:58:05,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:05,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:05,267 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:58:05,267 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:05,268 INFO L748 eck$LassoCheckResult]: Stem: 195#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 207#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 210#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 211#L34-3 assume !(main_~i~1#1 < 10); 199#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 200#L20-3 [2022-11-20 11:58:05,270 INFO L750 eck$LassoCheckResult]: Loop: 200#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 213#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 200#L20-3 [2022-11-20 11:58:05,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:05,277 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-20 11:58:05,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:05,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957693419] [2022-11-20 11:58:05,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:05,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:05,367 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 11:58:05,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:05,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957693419] [2022-11-20 11:58:05,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957693419] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:58:05,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696725547] [2022-11-20 11:58:05,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:05,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:58:05,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:05,370 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:58:05,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 11:58:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:05,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:58:05,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:05,454 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 11:58:05,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:58:05,479 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 11:58:05,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696725547] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:58:05,480 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:58:05,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 11:58:05,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654671779] [2022-11-20 11:58:05,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:58:05,481 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:58:05,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:05,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2022-11-20 11:58:05,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:05,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141675896] [2022-11-20 11:58:05,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:05,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:05,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:05,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:05,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:05,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:58:05,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:58:05,572 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 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 11:58:05,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:05,610 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-11-20 11:58:05,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-11-20 11:58:05,611 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 11:58:05,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2022-11-20 11:58:05,612 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-20 11:58:05,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-20 11:58:05,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2022-11-20 11:58:05,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:05,613 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-20 11:58:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2022-11-20 11:58:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-20 11:58:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 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 11:58:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-20 11:58:05,616 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-20 11:58:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:58:05,617 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-20 11:58:05,618 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 11:58:05,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2022-11-20 11:58:05,618 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 11:58:05,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:05,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:05,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-20 11:58:05,620 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:05,620 INFO L748 eck$LassoCheckResult]: Stem: 281#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(10, 2); 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 291#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 298#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 299#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 294#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 295#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 303#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 302#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 301#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 300#L34-3 assume !(main_~i~1#1 < 10); 283#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 284#L20-3 [2022-11-20 11:58:05,620 INFO L750 eck$LassoCheckResult]: Loop: 284#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 297#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 284#L20-3 [2022-11-20 11:58:05,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:05,621 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-20 11:58:05,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:05,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194192521] [2022-11-20 11:58:05,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:05,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:05,803 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 11:58:05,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:05,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194192521] [2022-11-20 11:58:05,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194192521] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:58:05,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472704123] [2022-11-20 11:58:05,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:58:05,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:58:05,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:05,807 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:58:05,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-20 11:58:05,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:58:05,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:58:05,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:58:05,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:05,946 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 11:58:05,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:58:06,049 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 11:58:06,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472704123] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:58:06,049 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:58:06,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-20 11:58:06,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68385633] [2022-11-20 11:58:06,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:58:06,053 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:58:06,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:06,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2022-11-20 11:58:06,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:06,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163577442] [2022-11-20 11:58:06,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:06,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:06,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:06,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:06,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:06,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:58:06,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:58:06,144 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 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 11:58:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:06,221 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-11-20 11:58:06,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 41 transitions. [2022-11-20 11:58:06,227 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 11:58:06,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 41 transitions. [2022-11-20 11:58:06,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-20 11:58:06,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-20 11:58:06,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 41 transitions. [2022-11-20 11:58:06,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:06,229 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-11-20 11:58:06,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 41 transitions. [2022-11-20 11:58:06,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-20 11:58:06,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 36 states have internal predecessors, (41), 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 11:58:06,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2022-11-20 11:58:06,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-11-20 11:58:06,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:58:06,238 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-11-20 11:58:06,238 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 11:58:06,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 41 transitions. [2022-11-20 11:58:06,242 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 11:58:06,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:06,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:06,243 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2022-11-20 11:58:06,244 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:06,244 INFO L748 eck$LassoCheckResult]: Stem: 423#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(10, 2); 424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 435#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 442#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 443#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 438#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 439#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 459#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 458#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 457#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 456#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 455#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 454#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 453#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 452#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 451#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 450#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 449#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 448#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 447#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 446#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 445#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 444#L34-3 assume !(main_~i~1#1 < 10); 427#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 428#L20-3 [2022-11-20 11:58:06,245 INFO L750 eck$LassoCheckResult]: Loop: 428#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 441#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 428#L20-3 [2022-11-20 11:58:06,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:06,246 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2022-11-20 11:58:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:06,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213321197] [2022-11-20 11:58:06,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:06,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:06,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:06,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:06,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:06,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2022-11-20 11:58:06,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:06,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779870701] [2022-11-20 11:58:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:06,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:06,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:06,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:06,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:06,339 INFO L85 PathProgramCache]: Analyzing trace with hash -95702815, now seen corresponding path program 1 times [2022-11-20 11:58:06,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:06,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675978567] [2022-11-20 11:58:06,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:06,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:06,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:06,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:12,412 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 215 DAG size of output: 169 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:58:12,892 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:58:12,892 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:58:12,892 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:58:12,892 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:58:12,892 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:58:12,893 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:12,893 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:58:12,893 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:58:12,893 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum10-1.i_Iteration5_Lasso [2022-11-20 11:58:12,893 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:58:12,893 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:58:12,898 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 11:58:12,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:12,905 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 11:58:12,909 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 11:58:12,912 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 11:58:12,916 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 11:58:12,919 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 11:58:14,451 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 11:58:14,455 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 11:58:14,459 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 11:58:14,462 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 11:58:14,465 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 11:58:14,469 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 11:58:14,472 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 11:58:14,475 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 11:58:14,478 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 11:58:14,481 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 11:58:14,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:14,487 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 11:58:14,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:14,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:14,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:15,020 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:58:15,020 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:58:15,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,025 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,037 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 11:58:15,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:58:15,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:15,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:15,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:15,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,082 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,097 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 11:58:15,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 11:58:15,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:15,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:15,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:15,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,137 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,148 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 11:58:15,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 11:58:15,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:15,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:15,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:15,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,190 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,206 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 11:58:15,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 11:58:15,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:15,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:15,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,254 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,264 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 11:58:15,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 11:58:15,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:15,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:15,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:15,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,286 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 11:58:15,289 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 11:58:15,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:58:15,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:58:15,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:58:15,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,312 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 11:58:15,319 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 11:58:15,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:15,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:15,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,372 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 11:58:15,380 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 11:58:15,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:15,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:15,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,431 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,443 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 11:58:15,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 11:58:15,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:15,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:15,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,496 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:58:15,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 11:58:15,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:15,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:15,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,549 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 11:58:15,554 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 11:58:15,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:15,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:15,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:58:15,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,604 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,612 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 11:58:15,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 11:58:15,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:58:15,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:58:15,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:58:15,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:58:15,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:58:15,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:58:15,649 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:58:15,682 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-11-20 11:58:15,682 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-20 11:58:15,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:15,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:15,686 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:15,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 11:58:15,687 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:58:15,700 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:58:15,701 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:58:15,701 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sum_~i~0#1) = -2*ULTIMATE.start_sum_~i~0#1 + 19 Supporting invariants [] [2022-11-20 11:58:15,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:15,899 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2022-11-20 11:58:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:15,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:58:15,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:16,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:58:16,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:16,047 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 11:58:16,048 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 11:58:16,048 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 11:58:16,068 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 41 states and 48 transitions. Complement of second has 7 states. [2022-11-20 11:58:16,068 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 11:58:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 11:58:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-20 11:58:16,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 2 letters. [2022-11-20 11:58:16,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:58:16,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 26 letters. Loop has 2 letters. [2022-11-20 11:58:16,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:58:16,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 4 letters. [2022-11-20 11:58:16,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:58:16,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 48 transitions. [2022-11-20 11:58:16,073 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 11:58:16,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 38 states and 43 transitions. [2022-11-20 11:58:16,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-20 11:58:16,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-20 11:58:16,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 43 transitions. [2022-11-20 11:58:16,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:16,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-20 11:58:16,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 43 transitions. [2022-11-20 11:58:16,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-20 11:58:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:58:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-11-20 11:58:16,080 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-20 11:58:16,080 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-20 11:58:16,080 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 11:58:16,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 43 transitions. [2022-11-20 11:58:16,081 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 11:58:16,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:16,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:16,082 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:58:16,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:16,083 INFO L748 eck$LassoCheckResult]: Stem: 756#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(10, 2); 757#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 766#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 774#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 775#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 769#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 770#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 791#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 790#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 789#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 788#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 787#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 786#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 785#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 784#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 783#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 782#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 781#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 780#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 779#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 778#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 777#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 776#L34-3 assume !(main_~i~1#1 < 10); 758#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 759#L20-3 assume !(sum_~i~0#1 < 10); 767#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 768#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } 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_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 764#L20-8 [2022-11-20 11:58:16,083 INFO L750 eck$LassoCheckResult]: Loop: 764#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 765#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 764#L20-8 [2022-11-20 11:58:16,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:16,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1328178265, now seen corresponding path program 1 times [2022-11-20 11:58:16,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:16,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240340326] [2022-11-20 11:58:16,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:16,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:16,212 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 11:58:16,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:16,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240340326] [2022-11-20 11:58:16,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240340326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:16,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:16,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:58:16,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634233981] [2022-11-20 11:58:16,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:16,214 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:58:16,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:16,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2022-11-20 11:58:16,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:16,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395071381] [2022-11-20 11:58:16,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:16,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:16,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:16,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:16,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:16,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:16,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:16,298 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. cyclomatic complexity: 10 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 11:58:16,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:16,334 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-11-20 11:58:16,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 47 transitions. [2022-11-20 11:58:16,335 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 11:58:16,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 47 transitions. [2022-11-20 11:58:16,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-20 11:58:16,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 11:58:16,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 47 transitions. [2022-11-20 11:58:16,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:16,337 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-11-20 11:58:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 47 transitions. [2022-11-20 11:58:16,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2022-11-20 11:58:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:58:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2022-11-20 11:58:16,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-11-20 11:58:16,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:16,342 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-11-20 11:58:16,342 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 11:58:16,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 43 transitions. [2022-11-20 11:58:16,343 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 11:58:16,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:16,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:16,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:58:16,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:16,345 INFO L748 eck$LassoCheckResult]: Stem: 841#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(10, 2); 842#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 853#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 856#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 857#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 862#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 879#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 878#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 877#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 876#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 875#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 874#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 873#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 872#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 871#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 870#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 869#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 868#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 867#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 866#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 865#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 864#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 863#L34-3 assume !(main_~i~1#1 < 10); 845#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 846#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 859#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 860#L20-3 assume !(sum_~i~0#1 < 10); 854#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 855#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } 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_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 851#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 852#L20-7 [2022-11-20 11:58:16,345 INFO L750 eck$LassoCheckResult]: Loop: 852#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 861#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 852#L20-7 [2022-11-20 11:58:16,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:16,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1721709263, now seen corresponding path program 1 times [2022-11-20 11:58:16,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:16,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917149107] [2022-11-20 11:58:16,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:16,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:16,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 11:58:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 11:58:16,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:16,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917149107] [2022-11-20 11:58:16,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917149107] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:58:16,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265093094] [2022-11-20 11:58:16,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:16,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:58:16,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:16,461 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:58:16,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-20 11:58:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:16,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:58:16,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 11:58:16,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:58:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 11:58:16,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265093094] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:58:16,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:58:16,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 11:58:16,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687756034] [2022-11-20 11:58:16,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:58:16,623 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:58:16,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:16,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2022-11-20 11:58:16,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:16,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503822803] [2022-11-20 11:58:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:16,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:16,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:16,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:16,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:58:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:58:16,690 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:58:16,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:16,779 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-11-20 11:58:16,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 62 transitions. [2022-11-20 11:58:16,781 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 11:58:16,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 62 transitions. [2022-11-20 11:58:16,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-20 11:58:16,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-11-20 11:58:16,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 62 transitions. [2022-11-20 11:58:16,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:16,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-11-20 11:58:16,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 62 transitions. [2022-11-20 11:58:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2022-11-20 11:58:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 50 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 11:58:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2022-11-20 11:58:16,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-11-20 11:58:16,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:58:16,797 INFO L428 stractBuchiCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-11-20 11:58:16,797 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 11:58:16,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 55 transitions. [2022-11-20 11:58:16,798 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 11:58:16,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:16,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:16,802 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:58:16,803 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:16,803 INFO L748 eck$LassoCheckResult]: Stem: 1122#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(10, 2); 1123#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1134#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1144#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1145#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1137#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1138#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1172#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1171#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1170#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1169#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1168#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1167#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1166#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1165#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1164#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1163#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1162#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1161#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1160#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1159#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1158#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1157#L34-3 assume !(main_~i~1#1 < 10); 1126#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1127#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1140#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1141#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1142#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1156#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1155#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1153#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1150#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1149#L20-3 assume !(sum_~i~0#1 < 10); 1135#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1136#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } 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_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1132#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1133#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1143#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1154#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1152#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1151#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1148#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1147#L20-7 [2022-11-20 11:58:16,804 INFO L750 eck$LassoCheckResult]: Loop: 1147#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1146#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1147#L20-7 [2022-11-20 11:58:16,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:16,805 INFO L85 PathProgramCache]: Analyzing trace with hash 512696561, now seen corresponding path program 1 times [2022-11-20 11:58:16,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:16,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120006892] [2022-11-20 11:58:16,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:16,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-20 11:58:17,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:17,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120006892] [2022-11-20 11:58:17,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120006892] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:58:17,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418936116] [2022-11-20 11:58:17,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:17,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:58:17,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:17,067 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:58:17,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-11-20 11:58:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:17,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:58:17,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-20 11:58:17,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:58:17,309 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-20 11:58:17,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418936116] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:58:17,309 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:58:17,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-20 11:58:17,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057336477] [2022-11-20 11:58:17,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:58:17,311 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:58:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2022-11-20 11:58:17,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:17,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164391942] [2022-11-20 11:58:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:17,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:17,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:17,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:17,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:17,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:58:17,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:58:17,377 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 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 11:58:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:17,566 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2022-11-20 11:58:17,566 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 98 transitions. [2022-11-20 11:58:17,567 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 11:58:17,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 94 states and 98 transitions. [2022-11-20 11:58:17,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2022-11-20 11:58:17,569 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2022-11-20 11:58:17,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 98 transitions. [2022-11-20 11:58:17,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:17,569 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 98 transitions. [2022-11-20 11:58:17,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 98 transitions. [2022-11-20 11:58:17,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 75. [2022-11-20 11:58:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 74 states have internal predecessors, (79), 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 11:58:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2022-11-20 11:58:17,574 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 79 transitions. [2022-11-20 11:58:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:58:17,576 INFO L428 stractBuchiCegarLoop]: Abstraction has 75 states and 79 transitions. [2022-11-20 11:58:17,576 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 11:58:17,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 79 transitions. [2022-11-20 11:58:17,577 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 11:58:17,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:17,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:17,578 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:58:17,579 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:17,579 INFO L748 eck$LassoCheckResult]: Stem: 1529#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(10, 2); 1530#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1541#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1544#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1545#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1551#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1603#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1602#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1601#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1600#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1599#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1598#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1597#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1596#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1595#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1594#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1593#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1592#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1591#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1590#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1589#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1588#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1587#L34-3 assume !(main_~i~1#1 < 10); 1533#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1534#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1547#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1548#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1549#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1586#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1585#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1583#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1581#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1579#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1577#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1575#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1573#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1571#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1569#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1567#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1565#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1563#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1561#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1559#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1556#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1555#L20-3 assume !(sum_~i~0#1 < 10); 1542#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1543#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } 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_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1539#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1540#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1550#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1584#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1582#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1580#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1578#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1576#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1574#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1572#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1570#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1568#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1566#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1564#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1562#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1560#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1558#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1557#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1554#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1553#L20-7 [2022-11-20 11:58:17,579 INFO L750 eck$LassoCheckResult]: Loop: 1553#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1552#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1553#L20-7 [2022-11-20 11:58:17,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:17,580 INFO L85 PathProgramCache]: Analyzing trace with hash -549950095, now seen corresponding path program 2 times [2022-11-20 11:58:17,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:17,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057996262] [2022-11-20 11:58:17,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:17,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:17,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:17,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:17,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2022-11-20 11:58:17,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:17,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944354900] [2022-11-20 11:58:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:17,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:17,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:17,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:17,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:17,864 INFO L85 PathProgramCache]: Analyzing trace with hash -221062545, now seen corresponding path program 3 times [2022-11-20 11:58:17,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:17,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43584101] [2022-11-20 11:58:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:17,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 81 proven. 19 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-11-20 11:58:18,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:18,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43584101] [2022-11-20 11:58:18,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43584101] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:58:18,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531876074] [2022-11-20 11:58:18,290 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 11:58:18,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:58:18,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:18,298 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:58:18,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-11-20 11:58:18,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-20 11:58:18,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:58:18,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 11:58:18,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:58:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-11-20 11:58:18,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:58:18,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531876074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:18,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:58:18,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2022-11-20 11:58:18,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734573288] [2022-11-20 11:58:18,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:18,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:18,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:58:18,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:58:18,712 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. cyclomatic complexity: 9 Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 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 11:58:18,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:18,954 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2022-11-20 11:58:18,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 95 transitions. [2022-11-20 11:58:18,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 11:58:18,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 72 states and 73 transitions. [2022-11-20 11:58:18,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-11-20 11:58:18,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2022-11-20 11:58:18,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 73 transitions. [2022-11-20 11:58:18,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:18,957 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 73 transitions. [2022-11-20 11:58:18,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 73 transitions. [2022-11-20 11:58:18,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-20 11:58:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0138888888888888) internal successors, (73), 71 states have internal predecessors, (73), 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 11:58:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2022-11-20 11:58:18,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 73 transitions. [2022-11-20 11:58:18,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 11:58:18,966 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2022-11-20 11:58:18,966 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 11:58:18,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 73 transitions. [2022-11-20 11:58:18,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 11:58:18,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:58:18,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:58:18,971 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:58:18,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:58:18,974 INFO L748 eck$LassoCheckResult]: Stem: 1918#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(10, 2); 1919#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, 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);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1928#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1936#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1937#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1931#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1932#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1989#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1988#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1987#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1986#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1985#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1984#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1983#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1982#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1981#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1980#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1979#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1978#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1977#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1976#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1975#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1974#L34-3 assume !(main_~i~1#1 < 10); 1922#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1923#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1933#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1934#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1973#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1972#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1971#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1970#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1968#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1966#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1964#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1962#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1960#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1958#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1956#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1954#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1952#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1950#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1948#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1946#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1944#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1942#L20-3 assume !(sum_~i~0#1 < 10); 1929#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1930#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } 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_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1926#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1927#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1935#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1969#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1967#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1965#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1963#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1961#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1959#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1957#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1955#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1953#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1951#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1949#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1947#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1945#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1943#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1941#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1940#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1939#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1938#L20-8 assume !(sum_~i~0#1 < 10); 1920#L20-9 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1921#L23-1 main_#t~ret8#1 := sum_#res#1;assume { :end_inline_sum } 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; 1925#L43-3 [2022-11-20 11:58:18,977 INFO L750 eck$LassoCheckResult]: Loop: 1925#L43-3 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; 1924#L43-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1925#L43-3 [2022-11-20 11:58:18,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:18,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1987708689, now seen corresponding path program 1 times [2022-11-20 11:58:18,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:18,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105264635] [2022-11-20 11:58:18,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:18,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:19,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:19,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:19,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:19,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2022-11-20 11:58:19,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:19,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679886773] [2022-11-20 11:58:19,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:19,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:19,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:19,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:19,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:19,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1072398385, now seen corresponding path program 1 times [2022-11-20 11:58:19,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:19,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650344027] [2022-11-20 11:58:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:19,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:19,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:58:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:58:19,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:58:48,701 WARN L233 SmtUtils]: Spent 28.94s on a formula simplification. DAG size of input: 541 DAG size of output: 405 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:58:57,632 WARN L233 SmtUtils]: Spent 7.26s on a formula simplification that was a NOOP. DAG size: 235 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:58:57,641 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:58:57,641 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:58:57,641 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:58:57,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:58:57,642 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:58:57,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:58:57,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:58:57,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:58:57,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum10-1.i_Iteration10_Lasso [2022-11-20 11:58:57,643 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:58:57,643 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:58:57,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:58:57,659 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 11:58:57,662 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 11:58:57,664 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 11:58:57,667 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 11:58:57,669 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 11:58:57,672 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 11:58:57,674 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 11:58:57,677 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 11:58:57,680 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 11:58:57,683 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 11:58:57,685 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 11:58:57,688 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 11:58:57,690 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 11:58:57,692 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 12:00:03,287 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 12:00:03,290 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 12:00:05,606 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2022-11-20 12:00:12,306 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 235 DAG size of output: 182 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-11-20 12:00:12,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:00:12,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:00:12,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,649 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 12:00:12,651 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 12:00:12,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:12,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:12,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:12,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,673 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 12:00:12,676 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 12:00:12,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-20 12:00:12,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,704 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 12:00:12,707 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 12:00:12,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-20 12:00:12,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,727 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 12:00:12,730 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 12:00:12,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:12,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,749 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 12:00:12,752 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 12:00:12,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-20 12:00:12,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,794 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,803 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 12:00:12,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 12:00:12,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-20 12:00:12,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,828 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 12:00:12,831 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 12:00:12,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-20 12:00:12,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,851 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 12:00:12,857 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 12:00:12,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-20 12:00:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,876 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 12:00:12,879 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 12:00:12,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:12,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:12,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-20 12:00:12,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,902 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,906 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 12:00:12,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 12:00:12,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:12,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:12,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,954 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,959 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 12:00:12,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 12:00:12,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:12,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:12,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:12,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:12,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:12,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:12,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:12,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:12,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:13,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,001 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,010 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 12:00:13,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 12:00:13,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:13,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:13,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:13,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-20 12:00:13,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,031 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 12:00:13,034 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 12:00:13,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:13,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:13,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:13,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-20 12:00:13,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,054 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 12:00:13,058 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 12:00:13,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:13,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:13,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:13,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-20 12:00:13,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,078 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 12:00:13,082 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 12:00:13,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:13,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:13,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,120 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,123 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 12:00:13,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 12:00:13,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:13,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:13,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,152 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 12:00:13,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:00:13,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:13,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-20 12:00:13,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,180 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 12:00:13,183 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 12:00:13,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:13,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:13,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,213 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 12:00:13,216 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 12:00:13,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:13,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:13,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,240 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 12:00:13,247 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 12:00:13,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:13,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-11-20 12:00:13,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,277 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 12:00:13,279 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 12:00:13,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:13,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-20 12:00:13,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,303 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 12:00:13,308 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 12:00:13,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:13,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:13,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:13,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-20 12:00:13,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:13,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:13,333 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:13,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 12:00:13,336 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 12:00:13,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:13,352 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-11-20 12:00:13,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:13,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:13,456 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 12:00:13,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:13,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:00:14,162 INFO L443 ModelExtractionUtils]: Simplification made 52 calls to the SMT solver. [2022-11-20 12:00:14,162 INFO L444 ModelExtractionUtils]: 37 out of 109 variables were initially zero. Simplification set additionally 69 variables to zero. [2022-11-20 12:00:14,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:14,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:14,170 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:14,175 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:00:14,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 12:00:14,212 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:00:14,212 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:00:14,212 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_sum_~x#1.base)_2, ULTIMATE.start_main_~i~2#1) = 1*v_rep(select #length ULTIMATE.start_sum_~x#1.base)_2 - 2*ULTIMATE.start_main_~i~2#1 Supporting invariants [] [2022-11-20 12:00:14,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:15,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:15,616 INFO L156 tatePredicateManager]: 102 out of 104 supporting invariants were superfluous and have been removed [2022-11-20 12:00:15,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:15,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:00:15,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:16,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:00:16,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:16,177 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 12:00:16,178 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 12:00:16,178 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 73 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:16,236 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 73 transitions. cyclomatic complexity: 3. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 74 states and 76 transitions. Complement of second has 6 states. [2022-11-20 12:00:16,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 12:00:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2022-11-20 12:00:16,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 70 letters. Loop has 2 letters. [2022-11-20 12:00:16,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:00:16,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-20 12:00:16,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:00:16,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 70 letters. Loop has 4 letters. [2022-11-20 12:00:16,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:00:16,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 76 transitions. [2022-11-20 12:00:16,247 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:00:16,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 0 states and 0 transitions. [2022-11-20 12:00:16,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 12:00:16,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 12:00:16,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 12:00:16,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:16,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:00:16,248 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:00:16,248 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:00:16,248 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 12:00:16,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:00:16,248 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:00:16,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 12:00:16,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:00:16 BoogieIcfgContainer [2022-11-20 12:00:16,256 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:00:16,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:00:16,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:00:16,258 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:00:16,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:02" (3/4) ... [2022-11-20 12:00:16,262 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:00:16,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:00:16,263 INFO L158 Benchmark]: Toolchain (without parser) took 134488.08ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 121.9MB in the beginning and 84.6MB in the end (delta: 37.3MB). Peak memory consumption was 130.7MB. Max. memory is 16.1GB. [2022-11-20 12:00:16,263 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 159.4MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:16,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.78ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 110.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:00:16,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.60ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 109.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:16,264 INFO L158 Benchmark]: Boogie Preprocessor took 30.97ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 107.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:16,265 INFO L158 Benchmark]: RCFGBuilder took 413.94ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 94.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:00:16,265 INFO L158 Benchmark]: BuchiAutomizer took 133719.74ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 94.1MB in the beginning and 85.6MB in the end (delta: 8.5MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-11-20 12:00:16,266 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 251.7MB. Free memory was 85.6MB in the beginning and 84.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:16,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 159.4MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.78ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 110.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.60ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 109.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.97ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 107.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.94ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 94.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 133719.74ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 94.1MB in the beginning and 85.6MB in the end (delta: 8.5MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 251.7MB. Free memory was 85.6MB in the beginning and 84.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -8 * i + 19 * unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function 19 + -2 * i and consists of 4 locations. One deterministic module has affine ranking function -2 * i + unknown-#length-unknown[x] and consists of 5 locations. 7 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 133.6s and 11 iterations. TraceHistogramMax:10. Analysis of lassos took 131.6s. Construction of modules took 0.5s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 377 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 444 IncrementalHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 155 mSDtfsCounter, 444 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital1424 mio100 ax100 hnf100 lsp221 ukn53 mio100 lsp72 div103 bol100 ite100 ukn100 eq156 hnf93 smp86 dnf1001 smp69 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 879ms VariablesStem: 53 VariablesLoop: 48 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 12:00:16,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:16,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:16,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:16,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:17,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:17,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6f6cff-2e7b-45d6-a71f-535eb2af5469/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE