./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:14:56,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:14:56,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:14:56,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:14:56,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:14:56,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:14:56,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:14:56,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:14:56,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:14:56,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:14:56,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:14:56,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:14:56,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:14:56,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:14:56,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:14:56,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:14:56,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:14:56,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:14:56,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:14:56,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:14:56,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:14:56,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:14:57,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:14:57,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:14:57,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:14:57,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:14:57,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:14:57,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:14:57,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:14:57,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:14:57,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:14:57,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:14:57,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:14:57,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:14:57,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:14:57,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:14:57,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:14:57,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:14:57,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:14:57,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:14:57,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:14:57,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 07:14:57,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:14:57,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:14:57,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:14:57,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:14:57,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:14:57,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:14:57,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:14:57,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:14:57,069 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:14:57,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:14:57,069 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:14:57,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:14:57,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:14:57,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:14:57,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:14:57,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:14:57,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:14:57,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:14:57,072 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 07:14:57,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:14:57,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:14:57,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:14:57,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:14:57,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:14:57,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:14:57,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:14:57,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:14:57,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:14:57,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:14:57,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:14:57,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:14:57,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:14:57,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:14:57,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:14:57,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2021-11-20 07:14:57,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:14:57,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:14:57,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:14:57,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:14:57,511 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:14:57,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2021-11-20 07:14:57,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/data/b91e05f58/776ba48abfdc4fde9b9ae41e8c9df36d/FLAG3938ef923 [2021-11-20 07:14:58,502 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:14:58,503 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2021-11-20 07:14:58,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/data/b91e05f58/776ba48abfdc4fde9b9ae41e8c9df36d/FLAG3938ef923 [2021-11-20 07:14:58,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/data/b91e05f58/776ba48abfdc4fde9b9ae41e8c9df36d [2021-11-20 07:14:58,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:14:58,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:14:58,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:14:58,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:14:58,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:14:58,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:14:58" (1/1) ... [2021-11-20 07:14:58,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d6c122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:58, skipping insertion in model container [2021-11-20 07:14:58,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:14:58" (1/1) ... [2021-11-20 07:14:58,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:14:58,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:14:59,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[33021,33034] [2021-11-20 07:14:59,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[49681,49694] [2021-11-20 07:14:59,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:14:59,612 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:14:59,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[33021,33034] [2021-11-20 07:14:59,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[49681,49694] [2021-11-20 07:14:59,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:14:59,864 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:14:59,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59 WrapperNode [2021-11-20 07:14:59,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:14:59,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:14:59,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:14:59,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:14:59,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:14:59,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,088 INFO L137 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2021-11-20 07:15:00,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:15:00,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:15:00,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:15:00,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:15:00,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:15:00,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:15:00,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:15:00,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:15:00,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (1/1) ... [2021-11-20 07:15:00,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:15:00,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:00,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:15:00,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:15:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:15:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 07:15:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 07:15:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:15:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:15:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:15:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:15:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:15:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:15:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:15:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:15:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:15:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:15:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:15:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:15:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:15:01,044 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:15:01,047 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:15:03,347 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:15:03,361 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:15:03,361 INFO L301 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-20 07:15:03,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:03 BoogieIcfgContainer [2021-11-20 07:15:03,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:15:03,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:15:03,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:15:03,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:15:03,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:14:58" (1/3) ... [2021-11-20 07:15:03,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17168a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:03, skipping insertion in model container [2021-11-20 07:15:03,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:14:59" (2/3) ... [2021-11-20 07:15:03,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17168a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:03, skipping insertion in model container [2021-11-20 07:15:03,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:03" (3/3) ... [2021-11-20 07:15:03,391 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-3.i [2021-11-20 07:15:03,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:15:03,399 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-20 07:15:03,471 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:15:03,481 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:15:03,481 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-20 07:15:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 323 states, 299 states have (on average 1.7123745819397993) internal successors, (512), 314 states have internal predecessors, (512), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 07:15:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 07:15:03,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:03,526 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:15:03,527 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:03,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:03,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1126982839, now seen corresponding path program 1 times [2021-11-20 07:15:03,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:03,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42293157] [2021-11-20 07:15:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:03,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:03,726 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:03,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572754562] [2021-11-20 07:15:03,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:03,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:03,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:03,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:03,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:15:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:03,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:15:04,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:04,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:04,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:04,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42293157] [2021-11-20 07:15:04,116 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:04,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572754562] [2021-11-20 07:15:04,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572754562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:04,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:04,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:04,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277402124] [2021-11-20 07:15:04,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:04,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:15:04,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:04,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:15:04,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:04,172 INFO L87 Difference]: Start difference. First operand has 323 states, 299 states have (on average 1.7123745819397993) internal successors, (512), 314 states have internal predecessors, (512), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:04,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:04,399 INFO L93 Difference]: Finished difference Result 896 states and 1510 transitions. [2021-11-20 07:15:04,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:15:04,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2021-11-20 07:15:04,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:04,427 INFO L225 Difference]: With dead ends: 896 [2021-11-20 07:15:04,427 INFO L226 Difference]: Without dead ends: 521 [2021-11-20 07:15:04,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:04,440 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 314 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:04,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 861 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:04,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-11-20 07:15:04,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 341. [2021-11-20 07:15:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 315 states have (on average 1.3460317460317461) internal successors, (424), 332 states have internal predecessors, (424), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:15:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 456 transitions. [2021-11-20 07:15:04,555 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 456 transitions. Word has length 6 [2021-11-20 07:15:04,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:04,556 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 456 transitions. [2021-11-20 07:15:04,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2021-11-20 07:15:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 07:15:04,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:04,558 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:15:04,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 07:15:04,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 07:15:04,775 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:04,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:04,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1126331241, now seen corresponding path program 1 times [2021-11-20 07:15:04,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:04,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889054072] [2021-11-20 07:15:04,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:04,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:04,849 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:04,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568451128] [2021-11-20 07:15:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:04,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:04,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:04,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:04,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:15:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:05,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:05,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:05,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:05,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:05,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889054072] [2021-11-20 07:15:05,177 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:05,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568451128] [2021-11-20 07:15:05,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568451128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:05,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:05,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:15:05,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679791347] [2021-11-20 07:15:05,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:05,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:15:05,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:05,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:15:05,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:05,194 INFO L87 Difference]: Start difference. First operand 341 states and 456 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:05,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:05,331 INFO L93 Difference]: Finished difference Result 522 states and 688 transitions. [2021-11-20 07:15:05,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:15:05,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2021-11-20 07:15:05,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:05,340 INFO L225 Difference]: With dead ends: 522 [2021-11-20 07:15:05,341 INFO L226 Difference]: Without dead ends: 519 [2021-11-20 07:15:05,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:05,347 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 308 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:05,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 719 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:05,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2021-11-20 07:15:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 345. [2021-11-20 07:15:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 319 states have (on average 1.3385579937304075) internal successors, (427), 336 states have internal predecessors, (427), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:15:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 459 transitions. [2021-11-20 07:15:05,420 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 459 transitions. Word has length 6 [2021-11-20 07:15:05,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:05,421 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 459 transitions. [2021-11-20 07:15:05,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 459 transitions. [2021-11-20 07:15:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:15:05,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:05,428 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:05,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:05,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:05,654 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:05,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:05,655 INFO L85 PathProgramCache]: Analyzing trace with hash 765811442, now seen corresponding path program 1 times [2021-11-20 07:15:05,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:05,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404162104] [2021-11-20 07:15:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:05,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:05,709 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:05,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [575357051] [2021-11-20 07:15:05,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:05,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:05,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:05,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:05,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:15:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:06,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:06,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:06,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:06,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:06,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404162104] [2021-11-20 07:15:06,428 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:06,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575357051] [2021-11-20 07:15:06,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575357051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:06,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:06,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:06,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317432905] [2021-11-20 07:15:06,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:06,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:15:06,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:06,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:15:06,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:06,432 INFO L87 Difference]: Start difference. First operand 345 states and 459 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:06,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:06,566 INFO L93 Difference]: Finished difference Result 705 states and 943 transitions. [2021-11-20 07:15:06,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:15:06,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) Word has length 103 [2021-11-20 07:15:06,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:06,573 INFO L225 Difference]: With dead ends: 705 [2021-11-20 07:15:06,573 INFO L226 Difference]: Without dead ends: 366 [2021-11-20 07:15:06,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:06,584 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 9 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:06,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 645 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:06,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-20 07:15:06,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 365. [2021-11-20 07:15:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 339 states have (on average 1.3185840707964602) internal successors, (447), 356 states have internal predecessors, (447), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:15:06,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 479 transitions. [2021-11-20 07:15:06,627 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 479 transitions. Word has length 103 [2021-11-20 07:15:06,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:06,630 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 479 transitions. [2021-11-20 07:15:06,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:06,631 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 479 transitions. [2021-11-20 07:15:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:15:06,644 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:06,644 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:06,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:06,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:06,863 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:06,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:06,864 INFO L85 PathProgramCache]: Analyzing trace with hash 525571696, now seen corresponding path program 1 times [2021-11-20 07:15:06,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:06,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130314415] [2021-11-20 07:15:06,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:06,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:06,918 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:06,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873846434] [2021-11-20 07:15:06,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:06,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:06,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:06,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:06,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:15:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:07,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:07,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:07,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:07,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:07,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:07,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130314415] [2021-11-20 07:15:07,555 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:07,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873846434] [2021-11-20 07:15:07,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873846434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:07,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:07,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:07,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276565775] [2021-11-20 07:15:07,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:07,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:15:07,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:07,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:15:07,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:07,559 INFO L87 Difference]: Start difference. First operand 365 states and 479 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:07,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:07,670 INFO L93 Difference]: Finished difference Result 745 states and 983 transitions. [2021-11-20 07:15:07,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:15:07,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) Word has length 103 [2021-11-20 07:15:07,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:07,675 INFO L225 Difference]: With dead ends: 745 [2021-11-20 07:15:07,675 INFO L226 Difference]: Without dead ends: 386 [2021-11-20 07:15:07,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:07,678 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 9 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:07,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 645 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2021-11-20 07:15:07,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2021-11-20 07:15:07,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 359 states have (on average 1.3008356545961002) internal successors, (467), 376 states have internal predecessors, (467), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:15:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 499 transitions. [2021-11-20 07:15:07,733 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 499 transitions. Word has length 103 [2021-11-20 07:15:07,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:07,736 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 499 transitions. [2021-11-20 07:15:07,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 499 transitions. [2021-11-20 07:15:07,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:15:07,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:07,741 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:07,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:07,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:07,962 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:07,963 INFO L85 PathProgramCache]: Analyzing trace with hash 919938482, now seen corresponding path program 1 times [2021-11-20 07:15:07,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:07,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728567517] [2021-11-20 07:15:07,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:07,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:08,003 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:08,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987452995] [2021-11-20 07:15:08,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:08,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:08,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:08,007 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:08,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:15:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:08,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:08,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:08,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:08,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:08,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728567517] [2021-11-20 07:15:08,566 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:08,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987452995] [2021-11-20 07:15:08,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987452995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:08,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:08,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:15:08,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600262201] [2021-11-20 07:15:08,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:08,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:08,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:08,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:08,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:08,569 INFO L87 Difference]: Start difference. First operand 385 states and 499 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:08,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:08,720 INFO L93 Difference]: Finished difference Result 755 states and 983 transitions. [2021-11-20 07:15:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:15:08,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) Word has length 103 [2021-11-20 07:15:08,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:08,726 INFO L225 Difference]: With dead ends: 755 [2021-11-20 07:15:08,726 INFO L226 Difference]: Without dead ends: 376 [2021-11-20 07:15:08,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:15:08,730 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 309 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:08,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 677 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:08,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-20 07:15:08,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 371. [2021-11-20 07:15:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 345 states have (on average 1.2927536231884058) internal successors, (446), 362 states have internal predecessors, (446), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:15:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 478 transitions. [2021-11-20 07:15:08,764 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 478 transitions. Word has length 103 [2021-11-20 07:15:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:08,765 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 478 transitions. [2021-11-20 07:15:08,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 478 transitions. [2021-11-20 07:15:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:15:08,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:08,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:08,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:08,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:08,986 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:08,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:08,987 INFO L85 PathProgramCache]: Analyzing trace with hash 6087360, now seen corresponding path program 1 times [2021-11-20 07:15:08,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:08,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161516784] [2021-11-20 07:15:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:08,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:09,019 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:09,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498321768] [2021-11-20 07:15:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:09,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:09,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:09,021 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:09,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:15:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:09,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:09,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:09,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:09,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:09,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161516784] [2021-11-20 07:15:09,655 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:09,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498321768] [2021-11-20 07:15:09,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498321768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:09,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:09,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:15:09,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095707746] [2021-11-20 07:15:09,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:09,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:09,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:09,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:09,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:09,660 INFO L87 Difference]: Start difference. First operand 371 states and 478 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:09,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:09,786 INFO L93 Difference]: Finished difference Result 816 states and 1050 transitions. [2021-11-20 07:15:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:15:09,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) Word has length 103 [2021-11-20 07:15:09,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:09,791 INFO L225 Difference]: With dead ends: 816 [2021-11-20 07:15:09,792 INFO L226 Difference]: Without dead ends: 451 [2021-11-20 07:15:09,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:15:09,794 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 302 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:09,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 972 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:09,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2021-11-20 07:15:09,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 357. [2021-11-20 07:15:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 331 states have (on average 1.283987915407855) internal successors, (425), 348 states have internal predecessors, (425), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:15:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 457 transitions. [2021-11-20 07:15:09,818 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 457 transitions. Word has length 103 [2021-11-20 07:15:09,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:09,819 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 457 transitions. [2021-11-20 07:15:09,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 457 transitions. [2021-11-20 07:15:09,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:15:09,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:09,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:09,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:10,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 07:15:10,042 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:10,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:10,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2030023538, now seen corresponding path program 1 times [2021-11-20 07:15:10,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:10,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301655049] [2021-11-20 07:15:10,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:10,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:10,084 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:10,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039064422] [2021-11-20 07:15:10,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:10,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:10,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:10,090 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:10,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:15:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:10,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:10,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:10,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:10,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:10,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301655049] [2021-11-20 07:15:10,722 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:10,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039064422] [2021-11-20 07:15:10,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039064422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:10,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:10,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:10,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753646865] [2021-11-20 07:15:10,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:10,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:10,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:10,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:10,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:10,725 INFO L87 Difference]: Start difference. First operand 357 states and 457 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:10,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:10,844 INFO L93 Difference]: Finished difference Result 543 states and 681 transitions. [2021-11-20 07:15:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:15:10,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) Word has length 103 [2021-11-20 07:15:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:10,851 INFO L225 Difference]: With dead ends: 543 [2021-11-20 07:15:10,852 INFO L226 Difference]: Without dead ends: 542 [2021-11-20 07:15:10,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:15:10,854 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 199 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:10,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 1055 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-11-20 07:15:10,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 538. [2021-11-20 07:15:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 506 states have (on average 1.2529644268774704) internal successors, (634), 523 states have internal predecessors, (634), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 07:15:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 678 transitions. [2021-11-20 07:15:10,899 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 678 transitions. Word has length 103 [2021-11-20 07:15:10,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:10,902 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 678 transitions. [2021-11-20 07:15:10,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 678 transitions. [2021-11-20 07:15:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-20 07:15:10,905 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:10,905 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:10,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:11,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:11,123 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:11,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:11,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1493778997, now seen corresponding path program 1 times [2021-11-20 07:15:11,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:11,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984001952] [2021-11-20 07:15:11,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:11,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:11,156 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:11,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [550145518] [2021-11-20 07:15:11,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:11,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:11,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:11,161 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:11,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 07:15:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:11,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:11,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:11,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:11,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:11,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984001952] [2021-11-20 07:15:11,847 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:11,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550145518] [2021-11-20 07:15:11,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550145518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:11,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:11,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:11,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785436164] [2021-11-20 07:15:11,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:11,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:11,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:11,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:11,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:11,851 INFO L87 Difference]: Start difference. First operand 538 states and 678 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:11,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:11,928 INFO L93 Difference]: Finished difference Result 538 states and 678 transitions. [2021-11-20 07:15:11,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:15:11,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-11-20 07:15:11,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:11,934 INFO L225 Difference]: With dead ends: 538 [2021-11-20 07:15:11,934 INFO L226 Difference]: Without dead ends: 536 [2021-11-20 07:15:11,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:15:11,936 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 202 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:11,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 652 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:15:11,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-11-20 07:15:11,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 535. [2021-11-20 07:15:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 505 states have (on average 1.2495049504950495) internal successors, (631), 520 states have internal predecessors, (631), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 07:15:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 675 transitions. [2021-11-20 07:15:11,973 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 675 transitions. Word has length 104 [2021-11-20 07:15:11,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:11,973 INFO L470 AbstractCegarLoop]: Abstraction has 535 states and 675 transitions. [2021-11-20 07:15:11,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:11,974 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 675 transitions. [2021-11-20 07:15:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-20 07:15:11,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:11,977 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:12,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:12,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:12,198 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:12,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:12,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1366065166, now seen corresponding path program 1 times [2021-11-20 07:15:12,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:12,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151560116] [2021-11-20 07:15:12,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:12,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:12,224 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:12,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596761805] [2021-11-20 07:15:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:12,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:12,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:12,236 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:12,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 07:15:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:12,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:15:12,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:13,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:13,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:13,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151560116] [2021-11-20 07:15:13,266 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:13,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596761805] [2021-11-20 07:15:13,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596761805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:13,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:13,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:13,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985726950] [2021-11-20 07:15:13,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:13,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:15:13,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:13,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:15:13,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:13,276 INFO L87 Difference]: Start difference. First operand 535 states and 675 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:13,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:13,414 INFO L93 Difference]: Finished difference Result 1001 states and 1288 transitions. [2021-11-20 07:15:13,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:15:13,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-11-20 07:15:13,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:13,421 INFO L225 Difference]: With dead ends: 1001 [2021-11-20 07:15:13,422 INFO L226 Difference]: Without dead ends: 613 [2021-11-20 07:15:13,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:13,426 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 138 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:13,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 705 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-11-20 07:15:13,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 609. [2021-11-20 07:15:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 569 states have (on average 1.2688927943760984) internal successors, (722), 594 states have internal predecessors, (722), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-20 07:15:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 786 transitions. [2021-11-20 07:15:13,464 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 786 transitions. Word has length 108 [2021-11-20 07:15:13,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:13,465 INFO L470 AbstractCegarLoop]: Abstraction has 609 states and 786 transitions. [2021-11-20 07:15:13,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:15:13,465 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 786 transitions. [2021-11-20 07:15:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-20 07:15:13,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:13,468 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:13,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-20 07:15:13,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:13,692 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:13,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:13,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1569027453, now seen corresponding path program 1 times [2021-11-20 07:15:13,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:13,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891331547] [2021-11-20 07:15:13,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:13,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:13,751 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:13,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427646622] [2021-11-20 07:15:13,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:13,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:13,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:13,754 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:13,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 07:15:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:14,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:15:14,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:15:14,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:14,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:14,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891331547] [2021-11-20 07:15:14,663 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:14,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427646622] [2021-11-20 07:15:14,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427646622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:14,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:14,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:14,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693871759] [2021-11-20 07:15:14,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:14,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:15:14,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:14,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:15:14,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:14,668 INFO L87 Difference]: Start difference. First operand 609 states and 786 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:15:14,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:14,751 INFO L93 Difference]: Finished difference Result 1158 states and 1504 transitions. [2021-11-20 07:15:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:15:14,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 123 [2021-11-20 07:15:14,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:14,760 INFO L225 Difference]: With dead ends: 1158 [2021-11-20 07:15:14,761 INFO L226 Difference]: Without dead ends: 607 [2021-11-20 07:15:14,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:14,764 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 15 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:14,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 652 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:15:14,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-11-20 07:15:14,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2021-11-20 07:15:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 567 states have (on average 1.2680776014109347) internal successors, (719), 592 states have internal predecessors, (719), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-20 07:15:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 783 transitions. [2021-11-20 07:15:14,803 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 783 transitions. Word has length 123 [2021-11-20 07:15:14,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:14,804 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 783 transitions. [2021-11-20 07:15:14,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:15:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 783 transitions. [2021-11-20 07:15:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-20 07:15:14,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:14,808 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:14,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:15,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 07:15:15,024 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:15,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:15,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1849143874, now seen corresponding path program 1 times [2021-11-20 07:15:15,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:15,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021746502] [2021-11-20 07:15:15,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:15,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:15,050 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:15,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581084744] [2021-11-20 07:15:15,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:15,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:15,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:15,052 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:15,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 07:15:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:15,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:15:15,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:15:16,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:16,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:16,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021746502] [2021-11-20 07:15:16,041 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:16,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581084744] [2021-11-20 07:15:16,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581084744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:16,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:16,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:15:16,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967792861] [2021-11-20 07:15:16,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:16,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:16,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:16,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:16,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:16,044 INFO L87 Difference]: Start difference. First operand 607 states and 783 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 07:15:16,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:16,141 INFO L93 Difference]: Finished difference Result 1165 states and 1523 transitions. [2021-11-20 07:15:16,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:15:16,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 138 [2021-11-20 07:15:16,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:16,149 INFO L225 Difference]: With dead ends: 1165 [2021-11-20 07:15:16,149 INFO L226 Difference]: Without dead ends: 610 [2021-11-20 07:15:16,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:15:16,152 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 2 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:16,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 983 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:15:16,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2021-11-20 07:15:16,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2021-11-20 07:15:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 569 states have (on average 1.2688927943760984) internal successors, (722), 595 states have internal predecessors, (722), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-20 07:15:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 790 transitions. [2021-11-20 07:15:16,199 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 790 transitions. Word has length 138 [2021-11-20 07:15:16,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:16,199 INFO L470 AbstractCegarLoop]: Abstraction has 610 states and 790 transitions. [2021-11-20 07:15:16,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 07:15:16,200 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 790 transitions. [2021-11-20 07:15:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-20 07:15:16,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:16,204 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:16,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:16,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-20 07:15:16,418 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:16,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:16,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1261986238, now seen corresponding path program 1 times [2021-11-20 07:15:16,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:16,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548715863] [2021-11-20 07:15:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:16,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:16,486 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:16,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144858617] [2021-11-20 07:15:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:16,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:16,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:16,493 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:16,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-20 07:15:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:17,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:15:17,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 07:15:17,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:15:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:15:18,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:18,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548715863] [2021-11-20 07:15:18,312 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:18,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144858617] [2021-11-20 07:15:18,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144858617] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:15:18,313 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:15:18,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 07:15:18,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860874383] [2021-11-20 07:15:18,314 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:15:18,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:15:18,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:18,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:15:18,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:15:18,317 INFO L87 Difference]: Start difference. First operand 610 states and 790 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:18,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:18,635 INFO L93 Difference]: Finished difference Result 1179 states and 1553 transitions. [2021-11-20 07:15:18,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:15:18,636 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 142 [2021-11-20 07:15:18,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:18,642 INFO L225 Difference]: With dead ends: 1179 [2021-11-20 07:15:18,642 INFO L226 Difference]: Without dead ends: 619 [2021-11-20 07:15:18,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:15:18,645 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 17 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:18,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 975 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:18,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-11-20 07:15:18,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2021-11-20 07:15:18,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 577 states have (on average 1.2720970537261698) internal successors, (734), 603 states have internal predecessors, (734), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-20 07:15:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 802 transitions. [2021-11-20 07:15:18,685 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 802 transitions. Word has length 142 [2021-11-20 07:15:18,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:18,685 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 802 transitions. [2021-11-20 07:15:18,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 802 transitions. [2021-11-20 07:15:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-20 07:15:18,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:18,689 INFO L514 BasicCegarLoop]: trace histogram [12, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:18,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:18,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 07:15:18,906 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:18,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:18,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1242459394, now seen corresponding path program 2 times [2021-11-20 07:15:18,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:18,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860389400] [2021-11-20 07:15:18,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:18,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:18,941 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:18,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377135427] [2021-11-20 07:15:18,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:15:18,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:18,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:18,946 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:18,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-20 07:15:20,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:15:20,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:15:20,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-20 07:15:20,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-20 07:15:20,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:15:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-20 07:15:21,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:21,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860389400] [2021-11-20 07:15:21,211 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:21,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377135427] [2021-11-20 07:15:21,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377135427] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:15:21,211 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:15:21,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2021-11-20 07:15:21,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052986708] [2021-11-20 07:15:21,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:15:21,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:15:21,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:21,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:15:21,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:15:21,213 INFO L87 Difference]: Start difference. First operand 619 states and 802 transitions. Second operand has 13 states, 13 states have (on average 10.846153846153847) internal successors, (141), 13 states have internal predecessors, (141), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:15:21,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:21,647 INFO L93 Difference]: Finished difference Result 1239 states and 1643 transitions. [2021-11-20 07:15:21,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 07:15:21,648 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.846153846153847) internal successors, (141), 13 states have internal predecessors, (141), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 150 [2021-11-20 07:15:21,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:21,652 INFO L225 Difference]: With dead ends: 1239 [2021-11-20 07:15:21,653 INFO L226 Difference]: Without dead ends: 630 [2021-11-20 07:15:21,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:15:21,658 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 330 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:21,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [353 Valid, 2568 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 07:15:21,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-11-20 07:15:21,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 619. [2021-11-20 07:15:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 577 states have (on average 1.2790294627383016) internal successors, (738), 603 states have internal predecessors, (738), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-20 07:15:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 806 transitions. [2021-11-20 07:15:21,691 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 806 transitions. Word has length 150 [2021-11-20 07:15:21,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:21,691 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 806 transitions. [2021-11-20 07:15:21,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.846153846153847) internal successors, (141), 13 states have internal predecessors, (141), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:15:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 806 transitions. [2021-11-20 07:15:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-20 07:15:21,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:21,694 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:21,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:21,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:21,922 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:21,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:21,923 INFO L85 PathProgramCache]: Analyzing trace with hash -752523582, now seen corresponding path program 3 times [2021-11-20 07:15:21,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:21,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422724846] [2021-11-20 07:15:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:21,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:21,952 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:21,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [253616717] [2021-11-20 07:15:21,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:15:21,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:21,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:21,957 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:21,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-20 07:15:22,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 07:15:22,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:15:22,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:15:22,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:22,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:22,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:22,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422724846] [2021-11-20 07:15:22,575 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:22,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253616717] [2021-11-20 07:15:22,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253616717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:22,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:22,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:15:22,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379559585] [2021-11-20 07:15:22,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:22,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:15:22,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:22,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:15:22,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:15:22,578 INFO L87 Difference]: Start difference. First operand 619 states and 806 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:22,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:22,731 INFO L93 Difference]: Finished difference Result 624 states and 809 transitions. [2021-11-20 07:15:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:15:22,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 162 [2021-11-20 07:15:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:22,737 INFO L225 Difference]: With dead ends: 624 [2021-11-20 07:15:22,737 INFO L226 Difference]: Without dead ends: 621 [2021-11-20 07:15:22,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:15:22,738 INFO L933 BasicCegarLoop]: 581 mSDtfsCounter, 758 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:22,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [776 Valid, 1496 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-11-20 07:15:22,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 525. [2021-11-20 07:15:22,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 496 states have (on average 1.247983870967742) internal successors, (619), 509 states have internal predecessors, (619), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 07:15:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 667 transitions. [2021-11-20 07:15:22,771 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 667 transitions. Word has length 162 [2021-11-20 07:15:22,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:22,772 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 667 transitions. [2021-11-20 07:15:22,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 667 transitions. [2021-11-20 07:15:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:15:22,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:22,776 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:22,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:22,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:22,989 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:22,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:22,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2047047688, now seen corresponding path program 1 times [2021-11-20 07:15:22,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:22,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052188672] [2021-11-20 07:15:22,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:22,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:23,010 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:23,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302245961] [2021-11-20 07:15:23,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:23,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:23,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:23,012 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:23,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-20 07:15:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:23,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:23,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-11-20 07:15:23,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:23,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:23,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052188672] [2021-11-20 07:15:23,550 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:23,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302245961] [2021-11-20 07:15:23,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302245961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:23,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:23,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:23,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803097111] [2021-11-20 07:15:23,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:23,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:15:23,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:23,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:15:23,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:23,553 INFO L87 Difference]: Start difference. First operand 525 states and 667 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:23,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:23,620 INFO L93 Difference]: Finished difference Result 705 states and 919 transitions. [2021-11-20 07:15:23,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:15:23,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 200 [2021-11-20 07:15:23,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:23,624 INFO L225 Difference]: With dead ends: 705 [2021-11-20 07:15:23,624 INFO L226 Difference]: Without dead ends: 567 [2021-11-20 07:15:23,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:23,628 INFO L933 BasicCegarLoop]: 307 mSDtfsCounter, 10 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:23,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 599 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:15:23,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2021-11-20 07:15:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 565. [2021-11-20 07:15:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 536 states have (on average 1.2294776119402986) internal successors, (659), 549 states have internal predecessors, (659), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 07:15:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 707 transitions. [2021-11-20 07:15:23,653 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 707 transitions. Word has length 200 [2021-11-20 07:15:23,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:23,654 INFO L470 AbstractCegarLoop]: Abstraction has 565 states and 707 transitions. [2021-11-20 07:15:23,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 707 transitions. [2021-11-20 07:15:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:15:23,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:23,658 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:23,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:23,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:23,874 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:23,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:23,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1249483508, now seen corresponding path program 1 times [2021-11-20 07:15:23,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:23,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069252950] [2021-11-20 07:15:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:23,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:23,900 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:23,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2050123986] [2021-11-20 07:15:23,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:23,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:23,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:23,902 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:23,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-20 07:15:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:24,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:24,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-11-20 07:15:24,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:24,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:24,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069252950] [2021-11-20 07:15:24,558 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:24,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050123986] [2021-11-20 07:15:24,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050123986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:24,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:24,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:15:24,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719395914] [2021-11-20 07:15:24,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:24,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:24,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:24,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:24,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:24,561 INFO L87 Difference]: Start difference. First operand 565 states and 707 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:24,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:24,659 INFO L93 Difference]: Finished difference Result 723 states and 917 transitions. [2021-11-20 07:15:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:15:24,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 200 [2021-11-20 07:15:24,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:24,665 INFO L225 Difference]: With dead ends: 723 [2021-11-20 07:15:24,666 INFO L226 Difference]: Without dead ends: 545 [2021-11-20 07:15:24,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:15:24,667 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 85 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:24,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 832 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:24,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-11-20 07:15:24,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 537. [2021-11-20 07:15:24,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 508 states have (on average 1.2145669291338583) internal successors, (617), 521 states have internal predecessors, (617), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 07:15:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 665 transitions. [2021-11-20 07:15:24,694 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 665 transitions. Word has length 200 [2021-11-20 07:15:24,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:24,694 INFO L470 AbstractCegarLoop]: Abstraction has 537 states and 665 transitions. [2021-11-20 07:15:24,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:24,695 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 665 transitions. [2021-11-20 07:15:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:15:24,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:24,698 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:24,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:24,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-20 07:15:24,914 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:24,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:24,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2132332354, now seen corresponding path program 1 times [2021-11-20 07:15:24,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:24,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206492059] [2021-11-20 07:15:24,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:24,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:24,934 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:24,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788134937] [2021-11-20 07:15:24,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:24,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:24,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:24,936 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:24,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-20 07:15:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:25,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:15:25,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:25,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:15:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:26,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:26,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206492059] [2021-11-20 07:15:26,057 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:26,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788134937] [2021-11-20 07:15:26,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788134937] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:15:26,057 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:15:26,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 07:15:26,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053038590] [2021-11-20 07:15:26,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:15:26,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:15:26,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:26,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:15:26,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:15:26,061 INFO L87 Difference]: Start difference. First operand 537 states and 665 transitions. Second operand has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:26,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:26,244 INFO L93 Difference]: Finished difference Result 1121 states and 1403 transitions. [2021-11-20 07:15:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:15:26,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 200 [2021-11-20 07:15:26,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:26,251 INFO L225 Difference]: With dead ends: 1121 [2021-11-20 07:15:26,251 INFO L226 Difference]: Without dead ends: 969 [2021-11-20 07:15:26,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:15:26,253 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1292 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1831 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:26,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1321 Valid, 1831 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:15:26,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2021-11-20 07:15:26,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 722. [2021-11-20 07:15:26,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 687 states have (on average 1.2066957787481805) internal successors, (829), 700 states have internal predecessors, (829), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 20 states have call predecessors, (34), 28 states have call successors, (34) [2021-11-20 07:15:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 891 transitions. [2021-11-20 07:15:26,292 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 891 transitions. Word has length 200 [2021-11-20 07:15:26,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:26,292 INFO L470 AbstractCegarLoop]: Abstraction has 722 states and 891 transitions. [2021-11-20 07:15:26,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 891 transitions. [2021-11-20 07:15:26,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-20 07:15:26,300 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:26,300 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:26,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:26,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-20 07:15:26,518 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1983446384, now seen corresponding path program 1 times [2021-11-20 07:15:26,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:26,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668746956] [2021-11-20 07:15:26,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:26,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:26,542 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:26,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113230612] [2021-11-20 07:15:26,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:26,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:26,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:26,544 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:26,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-20 07:15:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:26,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:15:26,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:27,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:15:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:28,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:28,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668746956] [2021-11-20 07:15:28,442 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:28,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113230612] [2021-11-20 07:15:28,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113230612] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:15:28,442 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:15:28,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-11-20 07:15:28,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830650460] [2021-11-20 07:15:28,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:15:28,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 07:15:28,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:28,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 07:15:28,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:15:28,446 INFO L87 Difference]: Start difference. First operand 722 states and 891 transitions. Second operand has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:28,729 INFO L93 Difference]: Finished difference Result 1155 states and 1440 transitions. [2021-11-20 07:15:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:15:28,730 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 361 [2021-11-20 07:15:28,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:28,738 INFO L225 Difference]: With dead ends: 1155 [2021-11-20 07:15:28,738 INFO L226 Difference]: Without dead ends: 1154 [2021-11-20 07:15:28,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2021-11-20 07:15:28,739 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 1488 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:28,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1519 Valid, 3075 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:15:28,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-11-20 07:15:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 721. [2021-11-20 07:15:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 687 states have (on average 1.205240174672489) internal successors, (828), 699 states have internal predecessors, (828), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 20 states have call predecessors, (34), 28 states have call successors, (34) [2021-11-20 07:15:28,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 890 transitions. [2021-11-20 07:15:28,779 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 890 transitions. Word has length 361 [2021-11-20 07:15:28,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:28,780 INFO L470 AbstractCegarLoop]: Abstraction has 721 states and 890 transitions. [2021-11-20 07:15:28,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 890 transitions. [2021-11-20 07:15:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-20 07:15:28,789 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:28,790 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:28,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:29,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-20 07:15:29,006 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:29,007 INFO L85 PathProgramCache]: Analyzing trace with hash -952463344, now seen corresponding path program 1 times [2021-11-20 07:15:29,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:29,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975482012] [2021-11-20 07:15:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:29,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:29,043 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:29,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [562717462] [2021-11-20 07:15:29,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:29,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:29,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:29,046 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:29,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-20 07:15:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:29,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:15:29,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:30,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:15:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:31,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:31,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975482012] [2021-11-20 07:15:31,111 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:31,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562717462] [2021-11-20 07:15:31,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562717462] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:15:31,111 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:15:31,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-20 07:15:31,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899898528] [2021-11-20 07:15:31,111 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:15:31,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 07:15:31,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:31,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 07:15:31,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:15:31,113 INFO L87 Difference]: Start difference. First operand 721 states and 890 transitions. Second operand has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:31,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:31,517 INFO L93 Difference]: Finished difference Result 2143 states and 2669 transitions. [2021-11-20 07:15:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 07:15:31,518 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 404 [2021-11-20 07:15:31,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:31,529 INFO L225 Difference]: With dead ends: 2143 [2021-11-20 07:15:31,530 INFO L226 Difference]: Without dead ends: 1992 [2021-11-20 07:15:31,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:15:31,532 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 2380 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 3947 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:31,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2443 Valid, 3947 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:15:31,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2021-11-20 07:15:31,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1453. [2021-11-20 07:15:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1395 states have (on average 1.1956989247311829) internal successors, (1668), 1407 states have internal predecessors, (1668), 52 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (66), 44 states have call predecessors, (66), 52 states have call successors, (66) [2021-11-20 07:15:31,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 1786 transitions. [2021-11-20 07:15:31,644 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 1786 transitions. Word has length 404 [2021-11-20 07:15:31,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:31,645 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 1786 transitions. [2021-11-20 07:15:31,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1786 transitions. [2021-11-20 07:15:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2021-11-20 07:15:31,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:31,679 INFO L514 BasicCegarLoop]: trace histogram [24, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:31,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:31,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:31,906 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:31,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:31,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1362525620, now seen corresponding path program 2 times [2021-11-20 07:15:31,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:31,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753239183] [2021-11-20 07:15:31,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:31,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:31,953 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:31,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624914267] [2021-11-20 07:15:31,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:15:31,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:31,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:31,955 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:31,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-20 07:15:32,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:15:32,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:15:32,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:32,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2521 trivial. 0 not checked. [2021-11-20 07:15:33,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:33,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:33,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753239183] [2021-11-20 07:15:33,879 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:33,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624914267] [2021-11-20 07:15:33,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624914267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:33,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:33,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:15:33,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783181031] [2021-11-20 07:15:33,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:33,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:33,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:33,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:33,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:33,882 INFO L87 Difference]: Start difference. First operand 1453 states and 1786 transitions. Second operand has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:33,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:33,946 INFO L93 Difference]: Finished difference Result 1548 states and 1915 transitions. [2021-11-20 07:15:33,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:15:33,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 812 [2021-11-20 07:15:33,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:33,957 INFO L225 Difference]: With dead ends: 1548 [2021-11-20 07:15:33,957 INFO L226 Difference]: Without dead ends: 1547 [2021-11-20 07:15:33,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 809 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:15:33,958 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 130 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:33,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 725 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:15:33,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2021-11-20 07:15:34,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1522. [2021-11-20 07:15:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1464 states have (on average 1.194672131147541) internal successors, (1749), 1476 states have internal predecessors, (1749), 52 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (66), 44 states have call predecessors, (66), 52 states have call successors, (66) [2021-11-20 07:15:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 1867 transitions. [2021-11-20 07:15:34,021 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 1867 transitions. Word has length 812 [2021-11-20 07:15:34,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:34,022 INFO L470 AbstractCegarLoop]: Abstraction has 1522 states and 1867 transitions. [2021-11-20 07:15:34,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1867 transitions. [2021-11-20 07:15:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2021-11-20 07:15:34,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:34,033 INFO L514 BasicCegarLoop]: trace histogram [24, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:34,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:34,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:34,248 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:34,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:34,248 INFO L85 PathProgramCache]: Analyzing trace with hash -711377696, now seen corresponding path program 1 times [2021-11-20 07:15:34,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:34,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744275563] [2021-11-20 07:15:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:34,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:34,289 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:34,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [154524389] [2021-11-20 07:15:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:34,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:34,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:34,291 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:34,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-20 07:15:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:34,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 2233 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 07:15:34,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 0 proven. 2125 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:36,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:15:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 0 proven. 2125 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:15:38,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:38,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744275563] [2021-11-20 07:15:38,550 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:38,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154524389] [2021-11-20 07:15:38,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154524389] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:15:38,550 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:15:38,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 21 [2021-11-20 07:15:38,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642418103] [2021-11-20 07:15:38,551 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:15:38,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-20 07:15:38,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:38,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-20 07:15:38,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-11-20 07:15:38,556 INFO L87 Difference]: Start difference. First operand 1522 states and 1867 transitions. Second operand has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:39,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:39,190 INFO L93 Difference]: Finished difference Result 2906 states and 3604 transitions. [2021-11-20 07:15:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 07:15:39,191 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 813 [2021-11-20 07:15:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:39,208 INFO L225 Difference]: With dead ends: 2906 [2021-11-20 07:15:39,208 INFO L226 Difference]: Without dead ends: 2686 [2021-11-20 07:15:39,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1633 GetRequests, 1604 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=273, Invalid=597, Unknown=0, NotChecked=0, Total=870 [2021-11-20 07:15:39,211 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 4103 mSDsluCounter, 4691 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4185 SdHoareTripleChecker+Valid, 5106 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:39,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4185 Valid, 5106 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 07:15:39,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2686 states. [2021-11-20 07:15:39,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2686 to 2071. [2021-11-20 07:15:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1995 states have (on average 1.1924812030075187) internal successors, (2379), 2007 states have internal predecessors, (2379), 70 states have call successors, (70), 3 states have call predecessors, (70), 4 states have return successors, (90), 62 states have call predecessors, (90), 70 states have call successors, (90) [2021-11-20 07:15:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2539 transitions. [2021-11-20 07:15:39,300 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2539 transitions. Word has length 813 [2021-11-20 07:15:39,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:39,301 INFO L470 AbstractCegarLoop]: Abstraction has 2071 states and 2539 transitions. [2021-11-20 07:15:39,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:15:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2539 transitions. [2021-11-20 07:15:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1120 [2021-11-20 07:15:39,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:39,321 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:39,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:39,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-20 07:15:39,537 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:39,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:39,538 INFO L85 PathProgramCache]: Analyzing trace with hash -689163035, now seen corresponding path program 2 times [2021-11-20 07:15:39,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:39,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334367396] [2021-11-20 07:15:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:39,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:39,587 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:39,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991288508] [2021-11-20 07:15:39,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:15:39,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:39,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:39,589 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:39,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-20 07:15:39,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:15:39,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:15:39,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:15:39,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4960 trivial. 0 not checked. [2021-11-20 07:15:42,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:42,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:42,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334367396] [2021-11-20 07:15:42,273 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:42,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991288508] [2021-11-20 07:15:42,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991288508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:42,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:42,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:15:42,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258765715] [2021-11-20 07:15:42,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:42,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:42,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:42,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:42,277 INFO L87 Difference]: Start difference. First operand 2071 states and 2539 transitions. Second operand has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:42,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:42,368 INFO L93 Difference]: Finished difference Result 2071 states and 2539 transitions. [2021-11-20 07:15:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:15:42,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 1119 [2021-11-20 07:15:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:42,382 INFO L225 Difference]: With dead ends: 2071 [2021-11-20 07:15:42,382 INFO L226 Difference]: Without dead ends: 2070 [2021-11-20 07:15:42,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1119 GetRequests, 1116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:15:42,386 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 151 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:42,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 603 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:15:42,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2021-11-20 07:15:42,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2070. [2021-11-20 07:15:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 1995 states have (on average 1.1914786967418547) internal successors, (2377), 2006 states have internal predecessors, (2377), 70 states have call successors, (70), 3 states have call predecessors, (70), 4 states have return successors, (90), 62 states have call predecessors, (90), 70 states have call successors, (90) [2021-11-20 07:15:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2537 transitions. [2021-11-20 07:15:42,470 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2537 transitions. Word has length 1119 [2021-11-20 07:15:42,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:42,472 INFO L470 AbstractCegarLoop]: Abstraction has 2070 states and 2537 transitions. [2021-11-20 07:15:42,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:15:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2537 transitions. [2021-11-20 07:15:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2021-11-20 07:15:42,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:42,493 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:42,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:42,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:42,706 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:42,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:42,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1576743626, now seen corresponding path program 1 times [2021-11-20 07:15:42,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:42,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335148405] [2021-11-20 07:15:42,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:42,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:42,760 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:42,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926691281] [2021-11-20 07:15:42,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:42,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:42,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:42,762 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:42,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-20 07:15:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:43,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 3086 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:15:43,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4960 trivial. 0 not checked. [2021-11-20 07:15:45,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:15:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4960 trivial. 0 not checked. [2021-11-20 07:15:48,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:48,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335148405] [2021-11-20 07:15:48,016 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:48,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926691281] [2021-11-20 07:15:48,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926691281] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:15:48,017 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:15:48,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2021-11-20 07:15:48,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642031323] [2021-11-20 07:15:48,018 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:15:48,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:15:48,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:48,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:15:48,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:15:48,021 INFO L87 Difference]: Start difference. First operand 2070 states and 2537 transitions. Second operand has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-11-20 07:15:48,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:48,324 INFO L93 Difference]: Finished difference Result 2517 states and 3097 transitions. [2021-11-20 07:15:48,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:15:48,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 1169 [2021-11-20 07:15:48,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:48,342 INFO L225 Difference]: With dead ends: 2517 [2021-11-20 07:15:48,342 INFO L226 Difference]: Without dead ends: 2516 [2021-11-20 07:15:48,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2343 GetRequests, 2328 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:15:48,345 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 636 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:48,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 1271 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:15:48,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2021-11-20 07:15:48,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2514. [2021-11-20 07:15:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 2406 states have (on average 1.1924355777223608) internal successors, (2869), 2447 states have internal predecessors, (2869), 100 states have call successors, (100), 6 states have call predecessors, (100), 7 states have return successors, (120), 68 states have call predecessors, (120), 100 states have call successors, (120) [2021-11-20 07:15:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3089 transitions. [2021-11-20 07:15:48,484 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3089 transitions. Word has length 1169 [2021-11-20 07:15:48,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:48,486 INFO L470 AbstractCegarLoop]: Abstraction has 2514 states and 3089 transitions. [2021-11-20 07:15:48,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-11-20 07:15:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3089 transitions. [2021-11-20 07:15:48,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1323 [2021-11-20 07:15:48,510 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:48,511 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:48,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:48,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:48,738 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:48,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:48,739 INFO L85 PathProgramCache]: Analyzing trace with hash 723198287, now seen corresponding path program 2 times [2021-11-20 07:15:48,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:48,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263053583] [2021-11-20 07:15:48,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:48,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:48,798 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:48,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758625875] [2021-11-20 07:15:48,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:15:48,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:48,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:48,800 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:48,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-20 07:15:49,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:15:49,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:15:49,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:15:49,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5426 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5406 trivial. 0 not checked. [2021-11-20 07:15:50,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:15:50,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:50,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263053583] [2021-11-20 07:15:50,853 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:50,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758625875] [2021-11-20 07:15:50,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758625875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:50,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:50,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:15:50,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130659828] [2021-11-20 07:15:50,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:50,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:15:50,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:50,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:15:50,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:50,856 INFO L87 Difference]: Start difference. First operand 2514 states and 3089 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 07:15:50,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:15:50,920 INFO L93 Difference]: Finished difference Result 2901 states and 3570 transitions. [2021-11-20 07:15:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:15:50,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 1322 [2021-11-20 07:15:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:15:50,935 INFO L225 Difference]: With dead ends: 2901 [2021-11-20 07:15:50,935 INFO L226 Difference]: Without dead ends: 2254 [2021-11-20 07:15:50,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1321 GetRequests, 1320 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:15:50,938 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 8 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:15:50,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 616 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:15:50,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2021-11-20 07:15:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2254. [2021-11-20 07:15:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 2166 states have (on average 1.185595567867036) internal successors, (2568), 2187 states have internal predecessors, (2568), 80 states have call successors, (80), 6 states have call predecessors, (80), 7 states have return successors, (100), 64 states have call predecessors, (100), 80 states have call successors, (100) [2021-11-20 07:15:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 2748 transitions. [2021-11-20 07:15:51,030 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 2748 transitions. Word has length 1322 [2021-11-20 07:15:51,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:15:51,032 INFO L470 AbstractCegarLoop]: Abstraction has 2254 states and 2748 transitions. [2021-11-20 07:15:51,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 07:15:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2748 transitions. [2021-11-20 07:15:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1383 [2021-11-20 07:15:51,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:51,055 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:51,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:15:51,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:51,271 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:15:51,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:51,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1070720850, now seen corresponding path program 1 times [2021-11-20 07:15:51,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:51,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940928594] [2021-11-20 07:15:51,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:51,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:51,327 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:15:51,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708704465] [2021-11-20 07:15:51,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:51,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:15:51,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:15:51,329 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:15:51,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-20 07:15:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:52,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 3578 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:15:52,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:15:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5546 backedges. 0 proven. 586 refuted. 0 times theorem prover too weak. 4960 trivial. 0 not checked. [2021-11-20 07:15:55,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:15:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5546 backedges. 0 proven. 562 refuted. 0 times theorem prover too weak. 4984 trivial. 0 not checked. [2021-11-20 07:15:59,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:59,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940928594] [2021-11-20 07:15:59,072 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:15:59,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708704465] [2021-11-20 07:15:59,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708704465] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:15:59,072 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:15:59,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2021-11-20 07:15:59,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514235444] [2021-11-20 07:15:59,074 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:15:59,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 07:15:59,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:59,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 07:15:59,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:15:59,080 INFO L87 Difference]: Start difference. First operand 2254 states and 2748 transitions. Second operand has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2021-11-20 07:16:00,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:16:00,162 INFO L93 Difference]: Finished difference Result 2760 states and 3361 transitions. [2021-11-20 07:16:00,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-20 07:16:00,163 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 1382 [2021-11-20 07:16:00,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:16:00,188 INFO L225 Difference]: With dead ends: 2760 [2021-11-20 07:16:00,188 INFO L226 Difference]: Without dead ends: 2759 [2021-11-20 07:16:00,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2781 GetRequests, 2742 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2021-11-20 07:16:00,200 INFO L933 BasicCegarLoop]: 307 mSDtfsCounter, 1313 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 2629 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:16:00,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1318 Valid, 2629 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-20 07:16:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2759 states. [2021-11-20 07:16:00,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2759 to 2758. [2021-11-20 07:16:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2634 states have (on average 1.182232346241458) internal successors, (3114), 2685 states have internal predecessors, (3114), 110 states have call successors, (110), 12 states have call predecessors, (110), 13 states have return successors, (130), 70 states have call predecessors, (130), 110 states have call successors, (130) [2021-11-20 07:16:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 3354 transitions. [2021-11-20 07:16:00,449 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 3354 transitions. Word has length 1382 [2021-11-20 07:16:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:16:00,454 INFO L470 AbstractCegarLoop]: Abstraction has 2758 states and 3354 transitions. [2021-11-20 07:16:00,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2021-11-20 07:16:00,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3354 transitions. [2021-11-20 07:16:00,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1761 [2021-11-20 07:16:00,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:16:00,523 INFO L514 BasicCegarLoop]: trace histogram [24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:16:00,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:16:00,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-20 07:16:00,751 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:16:00,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1249444398, now seen corresponding path program 2 times [2021-11-20 07:16:00,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:00,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77421513] [2021-11-20 07:16:00,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:00,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:00,845 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:16:00,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [304180011] [2021-11-20 07:16:00,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:16:00,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:16:00,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:00,850 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:16:00,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-20 07:16:02,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:16:02,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:16:02,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 4418 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:16:02,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:16:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8315 backedges. 2430 proven. 0 refuted. 0 times theorem prover too weak. 5885 trivial. 0 not checked. [2021-11-20 07:16:05,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:16:05,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:16:05,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77421513] [2021-11-20 07:16:05,814 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:16:05,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304180011] [2021-11-20 07:16:05,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304180011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:16:05,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:16:05,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:16:05,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275323578] [2021-11-20 07:16:05,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:16:05,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:16:05,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:16:05,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:16:05,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:16:05,820 INFO L87 Difference]: Start difference. First operand 2758 states and 3354 transitions. Second operand has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2021-11-20 07:16:06,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:16:06,096 INFO L93 Difference]: Finished difference Result 2758 states and 3354 transitions. [2021-11-20 07:16:06,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:16:06,097 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) Word has length 1760 [2021-11-20 07:16:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:16:06,100 INFO L225 Difference]: With dead ends: 2758 [2021-11-20 07:16:06,100 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:16:06,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1759 GetRequests, 1753 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:16:06,107 INFO L933 BasicCegarLoop]: 686 mSDtfsCounter, 311 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:16:06,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 1805 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:16:06,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:16:06,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:16:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:16:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:16:06,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1760 [2021-11-20 07:16:06,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:16:06,114 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:16:06,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2021-11-20 07:16:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:16:06,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:16:06,119 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2021-11-20 07:16:06,120 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2021-11-20 07:16:06,121 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2021-11-20 07:16:06,121 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2021-11-20 07:16:06,122 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2021-11-20 07:16:06,122 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2021-11-20 07:16:06,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2021-11-20 07:16:06,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2021-11-20 07:16:06,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2021-11-20 07:16:06,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2021-11-20 07:16:06,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-20 07:16:06,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-20 07:16:06,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:16:11,978 WARN L227 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:16:19,554 WARN L227 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:16:26,621 WARN L227 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 78 DAG size of output: 74 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:16:40,243 WARN L227 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:16:52,504 WARN L227 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:16:57,769 WARN L227 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:17:06,249 WARN L227 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:17:17,169 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:17:17,169 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-20 07:17:17,169 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-11-20 07:17:17,169 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:17:17,169 INFO L858 garLoopResultBuilder]: For program point L761-24(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,169 INFO L858 garLoopResultBuilder]: For program point L761-25(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,170 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 736) no Hoare annotation was computed. [2021-11-20 07:17:17,170 INFO L858 garLoopResultBuilder]: For program point L761-27(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,170 INFO L858 garLoopResultBuilder]: For program point L761-28(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,170 INFO L858 garLoopResultBuilder]: For program point L761-29(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,170 INFO L858 garLoopResultBuilder]: For program point L761-30(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,170 INFO L858 garLoopResultBuilder]: For program point L761-31(lines 756 763) no Hoare annotation was computed. [2021-11-20 07:17:17,170 INFO L858 garLoopResultBuilder]: For program point L761-32(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,171 INFO L861 garLoopResultBuilder]: At program point L764(lines 732 765) the Hoare annotation is: true [2021-11-20 07:17:17,171 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 725) no Hoare annotation was computed. [2021-11-20 07:17:17,171 INFO L858 garLoopResultBuilder]: For program point L708(line 708) no Hoare annotation was computed. [2021-11-20 07:17:17,171 INFO L858 garLoopResultBuilder]: For program point L708-1(line 708) no Hoare annotation was computed. [2021-11-20 07:17:17,171 INFO L854 garLoopResultBuilder]: At program point L708-2(lines 708 724) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:17:17,172 INFO L858 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2021-11-20 07:17:17,172 INFO L854 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:17:17,172 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 747) no Hoare annotation was computed. [2021-11-20 07:17:17,173 INFO L858 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2021-11-20 07:17:17,173 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:17:17,173 INFO L858 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2021-11-20 07:17:17,173 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 746) no Hoare annotation was computed. [2021-11-20 07:17:17,173 INFO L854 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:17:17,174 INFO L858 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2021-11-20 07:17:17,174 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:17:17,175 INFO L854 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:17:17,175 INFO L858 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2021-11-20 07:17:17,175 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:17:17,175 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 742) no Hoare annotation was computed. [2021-11-20 07:17:17,176 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:17:17,176 INFO L858 garLoopResultBuilder]: For program point L736-2(lines 736 745) no Hoare annotation was computed. [2021-11-20 07:17:17,176 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 736) no Hoare annotation was computed. [2021-11-20 07:17:17,176 INFO L858 garLoopResultBuilder]: For program point L736-3(line 736) no Hoare annotation was computed. [2021-11-20 07:17:17,176 INFO L858 garLoopResultBuilder]: For program point L736-4(line 736) no Hoare annotation was computed. [2021-11-20 07:17:17,176 INFO L854 garLoopResultBuilder]: At program point L736-5(lines 736 745) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483645) .cse1 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4) (= 4 |ULTIMATE.start_main_~_hj_k~0#1|)) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)))) [2021-11-20 07:17:17,177 INFO L858 garLoopResultBuilder]: For program point L736-6(lines 736 745) no Hoare annotation was computed. [2021-11-20 07:17:17,177 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 708) no Hoare annotation was computed. [2021-11-20 07:17:17,177 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 740) no Hoare annotation was computed. [2021-11-20 07:17:17,177 INFO L858 garLoopResultBuilder]: For program point L738-2(lines 738 740) no Hoare annotation was computed. [2021-11-20 07:17:17,177 INFO L858 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2021-11-20 07:17:17,177 INFO L858 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2021-11-20 07:17:17,177 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 747) no Hoare annotation was computed. [2021-11-20 07:17:17,178 INFO L858 garLoopResultBuilder]: For program point L743-5(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,178 INFO L854 garLoopResultBuilder]: At program point L743-6(line 743) the Hoare annotation is: false [2021-11-20 07:17:17,178 INFO L858 garLoopResultBuilder]: For program point L743-7(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,178 INFO L854 garLoopResultBuilder]: At program point L743-8(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2))) [2021-11-20 07:17:17,178 INFO L858 garLoopResultBuilder]: For program point L743-9(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,178 INFO L858 garLoopResultBuilder]: For program point L743-10(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,179 INFO L858 garLoopResultBuilder]: For program point L743-12(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,179 INFO L858 garLoopResultBuilder]: For program point L743-13(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,179 INFO L858 garLoopResultBuilder]: For program point L743-15(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,181 INFO L858 garLoopResultBuilder]: For program point L743-16(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,181 INFO L858 garLoopResultBuilder]: For program point L743-18(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,181 INFO L858 garLoopResultBuilder]: For program point L743-19(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,181 INFO L858 garLoopResultBuilder]: For program point L743-21(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,181 INFO L858 garLoopResultBuilder]: For program point L743-22(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,181 INFO L858 garLoopResultBuilder]: For program point L743-24(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,182 INFO L858 garLoopResultBuilder]: For program point L743-25(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,182 INFO L858 garLoopResultBuilder]: For program point L743-27(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,182 INFO L858 garLoopResultBuilder]: For program point L743-28(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,182 INFO L858 garLoopResultBuilder]: For program point L743-30(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,182 INFO L858 garLoopResultBuilder]: For program point L743-31(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,182 INFO L858 garLoopResultBuilder]: For program point L743-33(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,183 INFO L858 garLoopResultBuilder]: For program point L743-34(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,183 INFO L858 garLoopResultBuilder]: For program point L744-4(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,183 INFO L858 garLoopResultBuilder]: For program point L743-36(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,183 INFO L854 garLoopResultBuilder]: At program point L744-5(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,183 INFO L858 garLoopResultBuilder]: For program point L743-37(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,183 INFO L858 garLoopResultBuilder]: For program point L744-6(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,184 INFO L854 garLoopResultBuilder]: At program point L744-7(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,184 INFO L858 garLoopResultBuilder]: For program point L743-39(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,184 INFO L858 garLoopResultBuilder]: For program point L744-8(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,184 INFO L858 garLoopResultBuilder]: For program point L743-40(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,184 INFO L858 garLoopResultBuilder]: For program point L744-9(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,184 INFO L858 garLoopResultBuilder]: For program point L743-42(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,184 INFO L858 garLoopResultBuilder]: For program point L744-11(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,185 INFO L858 garLoopResultBuilder]: For program point L744-12(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,185 INFO L858 garLoopResultBuilder]: For program point L743-44(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,185 INFO L854 garLoopResultBuilder]: At program point L743-45(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2))) [2021-11-20 07:17:17,185 INFO L858 garLoopResultBuilder]: For program point L744-14(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,185 INFO L858 garLoopResultBuilder]: For program point L743-46(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,185 INFO L858 garLoopResultBuilder]: For program point L744-15(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,186 INFO L854 garLoopResultBuilder]: At program point L743-47(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,186 INFO L858 garLoopResultBuilder]: For program point L743-48(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,186 INFO L858 garLoopResultBuilder]: For program point L744-17(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,186 INFO L854 garLoopResultBuilder]: At program point L743-49(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,187 INFO L858 garLoopResultBuilder]: For program point L744-18(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,191 INFO L858 garLoopResultBuilder]: For program point L743-51(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,191 INFO L858 garLoopResultBuilder]: For program point L744-20(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,191 INFO L858 garLoopResultBuilder]: For program point L744-21(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,191 INFO L858 garLoopResultBuilder]: For program point L743-53(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,192 INFO L858 garLoopResultBuilder]: For program point L744-23(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,192 INFO L854 garLoopResultBuilder]: At program point L743-55(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~users~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~users~0#1.base| 0)) (.cse3 (<= ~count_int_int~0 0)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,192 INFO L858 garLoopResultBuilder]: For program point L744-24(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,192 INFO L858 garLoopResultBuilder]: For program point L743-56(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,192 INFO L858 garLoopResultBuilder]: For program point L743-57(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,192 INFO L858 garLoopResultBuilder]: For program point L744-26(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,193 INFO L858 garLoopResultBuilder]: For program point L744-27(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,193 INFO L854 garLoopResultBuilder]: At program point L743-59(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~users~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~users~0#1.base| 0)) (.cse3 (<= ~count_int_int~0 0)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,193 INFO L858 garLoopResultBuilder]: For program point L743-60(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,193 INFO L858 garLoopResultBuilder]: For program point L744-29(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,193 INFO L858 garLoopResultBuilder]: For program point L743-61(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,193 INFO L858 garLoopResultBuilder]: For program point L744-30(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,194 INFO L854 garLoopResultBuilder]: At program point L743-62(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~users~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~users~0#1.base| 0)) (.cse3 (<= ~count_int_int~0 0)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,194 INFO L858 garLoopResultBuilder]: For program point L743-63(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,194 INFO L858 garLoopResultBuilder]: For program point L744-32(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,195 INFO L858 garLoopResultBuilder]: For program point L744-33(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,195 INFO L858 garLoopResultBuilder]: For program point L743-66(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,195 INFO L858 garLoopResultBuilder]: For program point L744-35(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,195 INFO L854 garLoopResultBuilder]: At program point L743-67(line 743) the Hoare annotation is: (and (<= 0 ~count_int_int~0) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= ~count_int_int~0 0) (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) [2021-11-20 07:17:17,196 INFO L858 garLoopResultBuilder]: For program point L744-36(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,196 INFO L858 garLoopResultBuilder]: For program point L744-38(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,196 INFO L858 garLoopResultBuilder]: For program point L743-70(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,196 INFO L858 garLoopResultBuilder]: For program point L744-39(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,196 INFO L854 garLoopResultBuilder]: At program point L743-71(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,196 INFO L858 garLoopResultBuilder]: For program point L744-41(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,196 INFO L858 garLoopResultBuilder]: For program point L743-73(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,197 INFO L858 garLoopResultBuilder]: For program point L744-43(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,197 INFO L858 garLoopResultBuilder]: For program point L743-75(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,197 INFO L854 garLoopResultBuilder]: At program point L744-44(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,197 INFO L858 garLoopResultBuilder]: For program point L743-76(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,197 INFO L858 garLoopResultBuilder]: For program point L744-45(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,197 INFO L854 garLoopResultBuilder]: At program point L744-46(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,198 INFO L858 garLoopResultBuilder]: For program point L743-78(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,198 INFO L858 garLoopResultBuilder]: For program point L744-47(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,198 INFO L854 garLoopResultBuilder]: At program point L744-48(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,198 INFO L858 garLoopResultBuilder]: For program point L743-80(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,198 INFO L858 garLoopResultBuilder]: For program point L744-50(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,199 INFO L854 garLoopResultBuilder]: At program point L743-82(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,201 INFO L858 garLoopResultBuilder]: For program point L743-83(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,202 INFO L858 garLoopResultBuilder]: For program point L744-52(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,202 INFO L858 garLoopResultBuilder]: For program point L743-84(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,202 INFO L854 garLoopResultBuilder]: At program point L744-54(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= |ULTIMATE.start_main_~altusers~0#1.base| 0)) (.cse3 (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) (.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,202 INFO L858 garLoopResultBuilder]: For program point L743-86(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,202 INFO L858 garLoopResultBuilder]: For program point L744-55(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,202 INFO L858 garLoopResultBuilder]: For program point L744-56(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,203 INFO L858 garLoopResultBuilder]: For program point L743-88(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,203 INFO L854 garLoopResultBuilder]: At program point L744-58(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= |ULTIMATE.start_main_~altusers~0#1.base| 0)) (.cse3 (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) (.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,203 INFO L858 garLoopResultBuilder]: For program point L744-59(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,203 INFO L858 garLoopResultBuilder]: For program point L744-60(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,203 INFO L854 garLoopResultBuilder]: At program point L744-61(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= |ULTIMATE.start_main_~altusers~0#1.base| 0)) (.cse3 (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) (.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,203 INFO L858 garLoopResultBuilder]: For program point L743-93(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,204 INFO L858 garLoopResultBuilder]: For program point L744-62(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,204 INFO L854 garLoopResultBuilder]: At program point L743-94(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,204 INFO L858 garLoopResultBuilder]: For program point L743-95(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,204 INFO L858 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2021-11-20 07:17:17,204 INFO L858 garLoopResultBuilder]: For program point L743-96(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,204 INFO L858 garLoopResultBuilder]: For program point L744-65(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,205 INFO L858 garLoopResultBuilder]: For program point L746-3(line 746) no Hoare annotation was computed. [2021-11-20 07:17:17,205 INFO L858 garLoopResultBuilder]: For program point L743-97(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,205 INFO L854 garLoopResultBuilder]: At program point L744-66(line 744) the Hoare annotation is: (and (<= 0 ~count_int_int~0) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= ~count_int_int~0 0) (<= |ULTIMATE.start_main_~_hj_k~1#1| 4) (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) [2021-11-20 07:17:17,205 INFO L854 garLoopResultBuilder]: At program point L746-4(lines 746 754) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4)))) (.cse2 (<= |ULTIMATE.start_main_~i~0#1| 2147483646))) (or (and .cse0 (<= 10 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (<= ~count_int_int~0 2147483642)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= ~count_int_int~0 1)))) [2021-11-20 07:17:17,205 INFO L858 garLoopResultBuilder]: For program point L746-5(lines 746 754) no Hoare annotation was computed. [2021-11-20 07:17:17,205 INFO L858 garLoopResultBuilder]: For program point L743-100(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,206 INFO L858 garLoopResultBuilder]: For program point L744-69(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,206 INFO L858 garLoopResultBuilder]: For program point L743-101(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,206 INFO L854 garLoopResultBuilder]: At program point L744-70(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,206 INFO L858 garLoopResultBuilder]: For program point L743-103(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,206 INFO L858 garLoopResultBuilder]: For program point L744-72(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,206 INFO L854 garLoopResultBuilder]: At program point L743-104(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,206 INFO L858 garLoopResultBuilder]: For program point L743-105(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,207 INFO L858 garLoopResultBuilder]: For program point L744-74(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,207 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:17:17,207 INFO L854 garLoopResultBuilder]: At program point L743-106(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,207 INFO L858 garLoopResultBuilder]: For program point L744-75(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,207 INFO L858 garLoopResultBuilder]: For program point L743-107(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,207 INFO L858 garLoopResultBuilder]: For program point L743-108(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,208 INFO L858 garLoopResultBuilder]: For program point L744-77(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,208 INFO L858 garLoopResultBuilder]: For program point L743-110(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,208 INFO L858 garLoopResultBuilder]: For program point L744-79(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,208 INFO L858 garLoopResultBuilder]: For program point L743-111(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,208 INFO L854 garLoopResultBuilder]: At program point L744-81(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,208 INFO L858 garLoopResultBuilder]: For program point L743-113(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,208 INFO L858 garLoopResultBuilder]: For program point L744-82(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,209 INFO L858 garLoopResultBuilder]: For program point L743-114(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,209 INFO L858 garLoopResultBuilder]: For program point L744-83(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,209 INFO L854 garLoopResultBuilder]: At program point L743-115(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:17:17,209 INFO L858 garLoopResultBuilder]: For program point L744-85(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,209 INFO L858 garLoopResultBuilder]: For program point L743-117(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,209 INFO L858 garLoopResultBuilder]: For program point L743-118(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,210 INFO L858 garLoopResultBuilder]: For program point L744-87(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,210 INFO L858 garLoopResultBuilder]: For program point L743-119(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,210 INFO L858 garLoopResultBuilder]: For program point L743-120(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,210 INFO L858 garLoopResultBuilder]: For program point L743-121(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,210 INFO L858 garLoopResultBuilder]: For program point L743-122(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,210 INFO L858 garLoopResultBuilder]: For program point L743-123(line 743) no Hoare annotation was computed. [2021-11-20 07:17:17,210 INFO L858 garLoopResultBuilder]: For program point L744-92(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,211 INFO L854 garLoopResultBuilder]: At program point L743-124(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,211 INFO L854 garLoopResultBuilder]: At program point L744-93(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,211 INFO L858 garLoopResultBuilder]: For program point L747(line 747) no Hoare annotation was computed. [2021-11-20 07:17:17,211 INFO L858 garLoopResultBuilder]: For program point L744-94(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,211 INFO L858 garLoopResultBuilder]: For program point L747-1(line 747) no Hoare annotation was computed. [2021-11-20 07:17:17,211 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 746) no Hoare annotation was computed. [2021-11-20 07:17:17,212 INFO L858 garLoopResultBuilder]: For program point L744-95(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,214 INFO L858 garLoopResultBuilder]: For program point L744-96(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,215 INFO L858 garLoopResultBuilder]: For program point L744-99(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,216 INFO L858 garLoopResultBuilder]: For program point L744-100(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,216 INFO L858 garLoopResultBuilder]: For program point L744-102(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,216 INFO L854 garLoopResultBuilder]: At program point L744-103(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,216 INFO L858 garLoopResultBuilder]: For program point L744-104(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,216 INFO L854 garLoopResultBuilder]: At program point L744-105(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,217 INFO L858 garLoopResultBuilder]: For program point L744-106(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,217 INFO L858 garLoopResultBuilder]: For program point L744-107(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,217 INFO L858 garLoopResultBuilder]: For program point L744-109(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,217 INFO L858 garLoopResultBuilder]: For program point L744-110(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,217 INFO L858 garLoopResultBuilder]: For program point L744-112(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,217 INFO L858 garLoopResultBuilder]: For program point L744-113(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,217 INFO L854 garLoopResultBuilder]: At program point L744-114(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:17:17,218 INFO L858 garLoopResultBuilder]: For program point L744-116(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,218 INFO L858 garLoopResultBuilder]: For program point L744-117(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,218 INFO L858 garLoopResultBuilder]: For program point L744-118(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,218 INFO L858 garLoopResultBuilder]: For program point L744-119(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,218 INFO L858 garLoopResultBuilder]: For program point L744-120(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,218 INFO L858 garLoopResultBuilder]: For program point L744-121(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,218 INFO L858 garLoopResultBuilder]: For program point L744-122(line 744) no Hoare annotation was computed. [2021-11-20 07:17:17,219 INFO L858 garLoopResultBuilder]: For program point L744-123(lines 736 745) no Hoare annotation was computed. [2021-11-20 07:17:17,219 INFO L858 garLoopResultBuilder]: For program point L748-5(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,219 INFO L854 garLoopResultBuilder]: At program point L748-6(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse2 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,219 INFO L858 garLoopResultBuilder]: For program point L748-7(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,219 INFO L854 garLoopResultBuilder]: At program point L748-8(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse2 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,219 INFO L858 garLoopResultBuilder]: For program point L748-9(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,220 INFO L858 garLoopResultBuilder]: For program point L748-10(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,220 INFO L858 garLoopResultBuilder]: For program point L748-12(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,220 INFO L858 garLoopResultBuilder]: For program point L748-13(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,220 INFO L858 garLoopResultBuilder]: For program point L748-15(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,221 INFO L858 garLoopResultBuilder]: For program point L748-16(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,221 INFO L858 garLoopResultBuilder]: For program point L748-18(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,221 INFO L858 garLoopResultBuilder]: For program point L748-19(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,221 INFO L858 garLoopResultBuilder]: For program point L748-21(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,221 INFO L858 garLoopResultBuilder]: For program point L748-22(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,221 INFO L858 garLoopResultBuilder]: For program point L748-24(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,222 INFO L858 garLoopResultBuilder]: For program point L748-25(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,222 INFO L858 garLoopResultBuilder]: For program point L748-27(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,222 INFO L858 garLoopResultBuilder]: For program point L748-28(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,222 INFO L858 garLoopResultBuilder]: For program point L748-30(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,222 INFO L858 garLoopResultBuilder]: For program point L748-31(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,222 INFO L858 garLoopResultBuilder]: For program point L748-33(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,222 INFO L858 garLoopResultBuilder]: For program point L748-34(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,223 INFO L858 garLoopResultBuilder]: For program point L748-36(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,223 INFO L858 garLoopResultBuilder]: For program point L748-37(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,223 INFO L858 garLoopResultBuilder]: For program point L748-39(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,223 INFO L858 garLoopResultBuilder]: For program point L748-40(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,223 INFO L858 garLoopResultBuilder]: For program point L748-42(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,223 INFO L858 garLoopResultBuilder]: For program point L748-44(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,224 INFO L854 garLoopResultBuilder]: At program point L748-45(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse2 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,224 INFO L858 garLoopResultBuilder]: For program point L748-46(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,224 INFO L854 garLoopResultBuilder]: At program point L748-47(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (let ((.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 .cse1 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1))) [2021-11-20 07:17:17,224 INFO L858 garLoopResultBuilder]: For program point L748-48(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,224 INFO L854 garLoopResultBuilder]: At program point L748-49(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (let ((.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 .cse1 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1))) [2021-11-20 07:17:17,225 INFO L858 garLoopResultBuilder]: For program point L748-51(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,225 INFO L858 garLoopResultBuilder]: For program point L748-53(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,225 INFO L854 garLoopResultBuilder]: At program point L748-54(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1.base| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1.offset| 0)) (.cse3 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse4 (let ((.cse5 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse6 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse4 (<= ~count_int_int~0 1)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse2 .cse3 .cse4) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 3) .cse2 .cse3 .cse4 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,227 INFO L858 garLoopResultBuilder]: For program point L748-55(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,227 INFO L858 garLoopResultBuilder]: For program point L748-56(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,227 INFO L858 garLoopResultBuilder]: For program point L748-58(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,227 INFO L854 garLoopResultBuilder]: At program point L748-59(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1.base| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1.offset| 0)) (.cse3 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse4 (let ((.cse5 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse6 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse4 (<= ~count_int_int~0 1)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse2 .cse3 .cse4) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 3) .cse2 .cse3 .cse4 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,227 INFO L858 garLoopResultBuilder]: For program point L748-63(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,228 INFO L858 garLoopResultBuilder]: For program point L748-65(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,228 INFO L858 garLoopResultBuilder]: For program point L748-66(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,228 INFO L858 garLoopResultBuilder]: For program point L748-69(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,228 INFO L858 garLoopResultBuilder]: For program point L748-70(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,228 INFO L858 garLoopResultBuilder]: For program point L748-72(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,228 INFO L854 garLoopResultBuilder]: At program point L748-73(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse2 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,229 INFO L858 garLoopResultBuilder]: For program point L748-75(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,229 INFO L858 garLoopResultBuilder]: For program point L748-76(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,229 INFO L854 garLoopResultBuilder]: At program point L748-77(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1.base| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1.offset| 0)) (.cse3 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse4 (let ((.cse5 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse6 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse4 (<= ~count_int_int~0 1)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse2 .cse3 .cse4) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 3) .cse2 .cse3 .cse4 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:17:17,229 INFO L858 garLoopResultBuilder]: For program point L748-80(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,230 INFO L858 garLoopResultBuilder]: For program point L748-81(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,230 INFO L858 garLoopResultBuilder]: For program point L748-82(line 748) no Hoare annotation was computed. [2021-11-20 07:17:17,230 INFO L854 garLoopResultBuilder]: At program point L748-83(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (let ((.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 .cse1 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1))) [2021-11-20 07:17:17,230 INFO L858 garLoopResultBuilder]: For program point L748-84(lines 746 754) no Hoare annotation was computed. [2021-11-20 07:17:17,230 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 708) no Hoare annotation was computed. [2021-11-20 07:17:17,231 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 742) no Hoare annotation was computed. [2021-11-20 07:17:17,231 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:17:17,231 INFO L858 garLoopResultBuilder]: For program point L756(line 756) no Hoare annotation was computed. [2021-11-20 07:17:17,231 INFO L858 garLoopResultBuilder]: For program point L756-2(line 756) no Hoare annotation was computed. [2021-11-20 07:17:17,231 INFO L858 garLoopResultBuilder]: For program point L756-5(lines 756 763) no Hoare annotation was computed. [2021-11-20 07:17:17,231 INFO L858 garLoopResultBuilder]: For program point L756-6(line 756) no Hoare annotation was computed. [2021-11-20 07:17:17,231 INFO L858 garLoopResultBuilder]: For program point L756-8(line 756) no Hoare annotation was computed. [2021-11-20 07:17:17,232 INFO L861 garLoopResultBuilder]: At program point L756-9(lines 756 763) the Hoare annotation is: true [2021-11-20 07:17:17,232 INFO L858 garLoopResultBuilder]: For program point L756-10(lines 756 763) no Hoare annotation was computed. [2021-11-20 07:17:17,232 INFO L858 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,232 INFO L858 garLoopResultBuilder]: For program point L760-3(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,232 INFO L858 garLoopResultBuilder]: For program point L760-5(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,232 INFO L858 garLoopResultBuilder]: For program point L760-7(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,232 INFO L858 garLoopResultBuilder]: For program point L760-8(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,233 INFO L858 garLoopResultBuilder]: For program point L760-11(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,233 INFO L861 garLoopResultBuilder]: At program point L760-12(line 760) the Hoare annotation is: true [2021-11-20 07:17:17,233 INFO L858 garLoopResultBuilder]: For program point L760-13(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,233 INFO L858 garLoopResultBuilder]: For program point L760-14(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,233 INFO L858 garLoopResultBuilder]: For program point L760-17(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,233 INFO L858 garLoopResultBuilder]: For program point L760-18(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,233 INFO L858 garLoopResultBuilder]: For program point L760-20(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,234 INFO L858 garLoopResultBuilder]: For program point L760-22(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,234 INFO L858 garLoopResultBuilder]: For program point L760-23(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,234 INFO L858 garLoopResultBuilder]: For program point L760-25(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,234 INFO L858 garLoopResultBuilder]: For program point L760-26(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,234 INFO L858 garLoopResultBuilder]: For program point L760-28(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,234 INFO L858 garLoopResultBuilder]: For program point L760-29(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,234 INFO L858 garLoopResultBuilder]: For program point L760-30(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,235 INFO L858 garLoopResultBuilder]: For program point L760-31(line 760) no Hoare annotation was computed. [2021-11-20 07:17:17,235 INFO L858 garLoopResultBuilder]: For program point L761(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,235 INFO L861 garLoopResultBuilder]: At program point L760-32(line 760) the Hoare annotation is: true [2021-11-20 07:17:17,235 INFO L858 garLoopResultBuilder]: For program point L761-2(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,235 INFO L858 garLoopResultBuilder]: For program point L761-4(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,235 INFO L858 garLoopResultBuilder]: For program point L761-6(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,235 INFO L858 garLoopResultBuilder]: For program point L761-7(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,236 INFO L858 garLoopResultBuilder]: For program point L761-10(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,236 INFO L861 garLoopResultBuilder]: At program point L761-11(line 761) the Hoare annotation is: true [2021-11-20 07:17:17,236 INFO L858 garLoopResultBuilder]: For program point L761-12(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,236 INFO L858 garLoopResultBuilder]: For program point L761-13(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,236 INFO L858 garLoopResultBuilder]: For program point L761-16(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,236 INFO L858 garLoopResultBuilder]: For program point L761-17(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,236 INFO L858 garLoopResultBuilder]: For program point L761-19(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,237 INFO L858 garLoopResultBuilder]: For program point L761-21(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,237 INFO L858 garLoopResultBuilder]: For program point L761-22(line 761) no Hoare annotation was computed. [2021-11-20 07:17:17,237 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 701 705) the Hoare annotation is: true [2021-11-20 07:17:17,237 INFO L858 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2021-11-20 07:17:17,237 INFO L858 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2021-11-20 07:17:17,237 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2021-11-20 07:17:17,241 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:17:17,242 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:17:17,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:17:17 BoogieIcfgContainer [2021-11-20 07:17:17,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:17:17,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:17:17,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:17:17,328 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:17:17,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:03" (3/4) ... [2021-11-20 07:17:17,332 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:17:17,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-11-20 07:17:17,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-20 07:17:17,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-20 07:17:17,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-20 07:17:17,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:17:17,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:17:17,531 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:17:17,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:17:17,532 INFO L158 Benchmark]: Toolchain (without parser) took 138938.04ms. Allocated memory was 92.3MB in the beginning and 570.4MB in the end (delta: 478.2MB). Free memory was 50.2MB in the beginning and 239.6MB in the end (delta: -189.4MB). Peak memory consumption was 290.5MB. Max. memory is 16.1GB. [2021-11-20 07:17:17,532 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 69.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:17:17,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1266.99ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 50.0MB in the beginning and 78.4MB in the end (delta: -28.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-20 07:17:17,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 222.60ms. Allocated memory is still 134.2MB. Free memory was 78.4MB in the beginning and 69.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:17:17,536 INFO L158 Benchmark]: Boogie Preprocessor took 282.41ms. Allocated memory is still 134.2MB. Free memory was 69.1MB in the beginning and 57.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:17:17,538 INFO L158 Benchmark]: RCFGBuilder took 2997.94ms. Allocated memory is still 134.2MB. Free memory was 57.5MB in the beginning and 65.3MB in the end (delta: -7.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2021-11-20 07:17:17,538 INFO L158 Benchmark]: TraceAbstraction took 133951.21ms. Allocated memory was 134.2MB in the beginning and 570.4MB in the end (delta: 436.2MB). Free memory was 64.5MB in the beginning and 257.4MB in the end (delta: -192.9MB). Peak memory consumption was 366.4MB. Max. memory is 16.1GB. [2021-11-20 07:17:17,539 INFO L158 Benchmark]: Witness Printer took 203.91ms. Allocated memory is still 570.4MB. Free memory was 257.4MB in the beginning and 239.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-20 07:17:17,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 69.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1266.99ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 50.0MB in the beginning and 78.4MB in the end (delta: -28.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 222.60ms. Allocated memory is still 134.2MB. Free memory was 78.4MB in the beginning and 69.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 282.41ms. Allocated memory is still 134.2MB. Free memory was 69.1MB in the beginning and 57.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2997.94ms. Allocated memory is still 134.2MB. Free memory was 57.5MB in the beginning and 65.3MB in the end (delta: -7.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * TraceAbstraction took 133951.21ms. Allocated memory was 134.2MB in the beginning and 570.4MB in the end (delta: 436.2MB). Free memory was 64.5MB in the beginning and 257.4MB in the end (delta: -192.9MB). Peak memory consumption was 366.4MB. Max. memory is 16.1GB. * Witness Printer took 203.91ms. Allocated memory is still 570.4MB. Free memory was 257.4MB in the beginning and 239.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 742]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 742]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 736]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 736]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 747]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 747]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 323 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 133.8s, OverallIterations: 26, TraceHistogramMax: 24, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 70.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15189 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14819 mSDsluCounter, 36644 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26999 mSDsCounter, 1002 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2466 IncrementalHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1002 mSolverCounterUnsat, 9645 mSDtfsCounter, 2466 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15853 GetRequests, 15652 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2758occurred in iteration=25, InterpolantAutomatonStates: 206, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 2443 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 611 PreInvPairs, 1411 NumberOfFragments, 4677 HoareAnnotationTreeSize, 611 FomulaSimplifications, 481637 FormulaSimplificationTreeSizeReduction, 66.3s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1011751 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.7s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 35.2s InterpolantComputationTime, 11196 NumberOfCodeBlocks, 7983 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 15783 ConstructedInterpolants, 0 QuantifiedInterpolants, 37780 SizeOfPredicates, 40 NumberOfNonLiveVariables, 22810 ConjunctsInSsa, 152 ConjunctsInUnsatCore, 34 InterpolantComputations, 18 PerfectInterpolantSequences, 45796/52546 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) || ((((0 <= count_int_int && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || ((((0 <= count_int_int && count_int_int <= 3) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((0 <= count_int_int && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || ((((count_int_int <= 4 && 0 <= count_int_int) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) || ((((0 <= count_int_int && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || ((((0 <= count_int_int && count_int_int <= 3) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((0 <= count_int_int && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || ((((count_int_int <= 4 && 0 <= count_int_int) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((count_int_int <= 4 && 0 <= count_int_int) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) || (((0 <= count_int_int && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || (((0 <= count_int_int && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || (((0 <= count_int_int && count_int_int <= 3) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || (((0 <= count_int_int && i <= 0) && count_int_int <= 0) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((((0 <= count_int_int && 1 <= i) && users == 0) && users == 0) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((((((((0 <= count_int_int && 10 <= i) && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && count_int_int <= 2147483642) || ((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646)) || ((((count_int_int <= 4 && 0 <= count_int_int) && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && 8 <= i)) || ((((0 <= count_int_int && count_int_int <= 3) && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && 6 <= i)) || ((((0 <= count_int_int && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && count_int_int <= 2) && 4 <= i)) || ((((0 <= count_int_int && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && 2 <= i) && count_int_int <= 1) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && i <= 2147483645) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) || ((((((0 <= count_int_int && i == 0) && users == 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || ((((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) || (((((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || ((((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((((((count_int_int <= 4 && 0 <= count_int_int) && aux-count_int_int++-aux <= 3) && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i) || ((((((0 <= count_int_int && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && aux-count_int_int++-aux <= 4) && count_int_int <= 2147483642) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i)) || (((((0 <= count_int_int && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1) && aux-count_int_int++-aux <= 0)) || ((((((aux-count_int_int++-aux <= 2 && 0 <= count_int_int) && count_int_int <= 3) && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 4 <= i)) || ((((((0 <= count_int_int && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && 2 <= i) && aux-count_int_int++-aux <= 1) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) || ((((0 <= count_int_int && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || ((((0 <= count_int_int && count_int_int <= 3) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((0 <= count_int_int && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || ((((count_int_int <= 4 && 0 <= count_int_int) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1) || ((((((0 <= count_int_int && tmp == 0) && i <= 0) && count_int_int <= 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10)))) || ((((((count_int_int <= 4 && 0 <= count_int_int) && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i)) || ((((((0 <= count_int_int && tmp == 0) && count_int_int <= 3) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i) - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((count_int_int <= 4 && 0 <= count_int_int) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) || (((0 <= count_int_int && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || (((0 <= count_int_int && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || (((0 <= count_int_int && count_int_int <= 3) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || (((0 <= count_int_int && i <= 0) && count_int_int <= 0) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) || ((((0 <= count_int_int && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || ((((0 <= count_int_int && count_int_int <= 3) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((0 <= count_int_int && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || ((((count_int_int <= 4 && 0 <= count_int_int) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((count_int_int <= 4 && 0 <= count_int_int) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) || (((0 <= count_int_int && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || (((0 <= count_int_int && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || (((0 <= count_int_int && count_int_int <= 3) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || (((0 <= count_int_int && i <= 0) && count_int_int <= 0) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1) || ((((((0 <= count_int_int && tmp == 0) && i <= 0) && count_int_int <= 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10)))) || ((((((count_int_int <= 4 && 0 <= count_int_int) && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i)) || ((((((0 <= count_int_int && tmp == 0) && count_int_int <= 3) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1) || ((((((0 <= count_int_int && tmp == 0) && i <= 0) && count_int_int <= 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10)))) || ((((((count_int_int <= 4 && 0 <= count_int_int) && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i)) || ((((((0 <= count_int_int && tmp == 0) && count_int_int <= 3) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) RESULT: Ultimate proved your program to be correct! [2021-11-20 07:17:17,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7773d01f-26fe-4bec-9a81-2dc1d95f4034/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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