./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ --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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:31:29,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:31:29,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:31:29,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:31:29,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:31:29,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:31:29,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:31:29,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:31:29,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:31:29,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:31:29,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:31:29,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:31:29,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:31:29,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:31:29,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:31:29,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:31:29,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:31:29,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:31:29,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:31:29,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:31:29,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:31:29,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:31:29,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:31:29,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:31:29,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:31:29,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:31:29,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:31:29,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:31:29,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:31:29,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:31:29,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:31:29,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:31:29,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:31:29,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:31:29,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:31:29,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:31:29,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:31:29,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:31:29,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:31:29,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:31:29,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:31:29,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-17 10:31:29,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:31:29,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:31:29,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:31:29,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:31:29,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:31:29,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:31:29,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:31:29,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:31:29,774 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:31:29,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:31:29,775 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:31:29,776 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:31:29,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:31:29,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:31:29,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:31:29,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:31:29,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:31:29,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:31:29,777 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 10:31:29,777 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:31:29,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:31:29,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:31:29,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:31:29,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:31:29,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:31:29,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:31:29,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:29,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:31:29,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:31:29,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:31:29,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:31:29,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:31:29,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:31:29,781 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_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2022-10-17 10:31:30,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:31:30,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:31:30,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:31:30,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:31:30,108 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:31:30,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2022-10-17 10:31:30,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/data/21c1d7fb9/f21ca8861eb84d3cbb196d179f93adff/FLAGe6f6dc996 [2022-10-17 10:31:30,799 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:31:30,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2022-10-17 10:31:30,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/data/21c1d7fb9/f21ca8861eb84d3cbb196d179f93adff/FLAGe6f6dc996 [2022-10-17 10:31:30,992 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/data/21c1d7fb9/f21ca8861eb84d3cbb196d179f93adff [2022-10-17 10:31:30,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:31:30,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:31:30,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:30,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:31:31,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:31:31,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:30" (1/1) ... [2022-10-17 10:31:31,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bbe896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31, skipping insertion in model container [2022-10-17 10:31:31,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:30" (1/1) ... [2022-10-17 10:31:31,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:31:31,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:31:31,513 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_6269e680-ed75-49e3-aa15-73a808a5c1e2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2022-10-17 10:31:31,684 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_6269e680-ed75-49e3-aa15-73a808a5c1e2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2022-10-17 10:31:31,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:31,719 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:31:31,758 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_6269e680-ed75-49e3-aa15-73a808a5c1e2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2022-10-17 10:31:31,835 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_6269e680-ed75-49e3-aa15-73a808a5c1e2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2022-10-17 10:31:31,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:31,873 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:31:31,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31 WrapperNode [2022-10-17 10:31:31,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:31,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:31:31,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:31:31,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:31:31,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:31,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,022 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2022-10-17 10:31:32,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:31:32,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:31:32,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:31:32,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:31:32,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:31:32,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:31:32,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:31:32,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:31:32,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (1/1) ... [2022-10-17 10:31:32,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:32,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:32,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:32,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:31:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:31:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 10:31:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 10:31:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:31:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:31:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:31:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-10-17 10:31:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-10-17 10:31:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:31:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:31:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:31:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:31:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 10:31:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:31:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:31:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:31:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:31:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:31:32,461 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:31:32,463 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:31:34,246 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:31:34,255 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:31:34,256 INFO L300 CfgBuilder]: Removed 62 assume(true) statements. [2022-10-17 10:31:34,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:31:34 BoogieIcfgContainer [2022-10-17 10:31:34,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:31:34,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:31:34,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:31:34,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:31:34,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:31:30" (1/3) ... [2022-10-17 10:31:34,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dda8e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:31:34, skipping insertion in model container [2022-10-17 10:31:34,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:31" (2/3) ... [2022-10-17 10:31:34,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dda8e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:31:34, skipping insertion in model container [2022-10-17 10:31:34,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:31:34" (3/3) ... [2022-10-17 10:31:34,268 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-1.i [2022-10-17 10:31:34,287 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:31:34,288 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-17 10:31:34,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:31:34,354 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61847e83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:31:34,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-17 10:31:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 238 states, 206 states have (on average 1.703883495145631) internal successors, (351), 229 states have internal predecessors, (351), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-17 10:31:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 10:31:34,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:34,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:31:34,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:34,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:34,373 INFO L85 PathProgramCache]: Analyzing trace with hash 232940209, now seen corresponding path program 1 times [2022-10-17 10:31:34,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:34,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782899800] [2022-10-17 10:31:34,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:34,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:34,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:34,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782899800] [2022-10-17 10:31:34,565 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-17 10:31:34,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967814360] [2022-10-17 10:31:34,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:34,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:34,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:34,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:34,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:31:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:34,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 10:31:34,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:34,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:34,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967814360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:34,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:34,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:31:34,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143943574] [2022-10-17 10:31:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:34,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:31:34,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:34,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:31:34,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:31:34,826 INFO L87 Difference]: Start difference. First operand has 238 states, 206 states have (on average 1.703883495145631) internal successors, (351), 229 states have internal predecessors, (351), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:34,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:34,886 INFO L93 Difference]: Finished difference Result 474 states and 797 transitions. [2022-10-17 10:31:34,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:31:34,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-10-17 10:31:34,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:34,901 INFO L225 Difference]: With dead ends: 474 [2022-10-17 10:31:34,901 INFO L226 Difference]: Without dead ends: 234 [2022-10-17 10:31:34,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:31:34,910 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:34,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:31:34,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-10-17 10:31:34,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-10-17 10:31:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 203 states have (on average 1.374384236453202) internal successors, (279), 225 states have internal predecessors, (279), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-17 10:31:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 319 transitions. [2022-10-17 10:31:34,977 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 319 transitions. Word has length 7 [2022-10-17 10:31:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:34,977 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 319 transitions. [2022-10-17 10:31:34,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 319 transitions. [2022-10-17 10:31:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 10:31:34,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:34,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:31:35,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:35,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-17 10:31:35,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:35,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:35,204 INFO L85 PathProgramCache]: Analyzing trace with hash 232942131, now seen corresponding path program 1 times [2022-10-17 10:31:35,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:35,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284775919] [2022-10-17 10:31:35,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:35,257 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:31:35,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276117670] [2022-10-17 10:31:35,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:35,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:35,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:35,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:35,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:31:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:35,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 10:31:35,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:35,502 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 10:31:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 10:31:35,595 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-10-17 10:31:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:35,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:35,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:35,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284775919] [2022-10-17 10:31:35,626 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:31:35,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276117670] [2022-10-17 10:31:35,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276117670] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:35,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:35,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:31:35,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668953613] [2022-10-17 10:31:35,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:35,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:31:35,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:35,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:31:35,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:31:35,630 INFO L87 Difference]: Start difference. First operand 234 states and 319 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:36,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:36,941 INFO L93 Difference]: Finished difference Result 362 states and 487 transitions. [2022-10-17 10:31:36,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:31:36,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2022-10-17 10:31:36,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:36,947 INFO L225 Difference]: With dead ends: 362 [2022-10-17 10:31:36,947 INFO L226 Difference]: Without dead ends: 360 [2022-10-17 10:31:36,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:31:36,949 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 197 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:36,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 1026 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-17 10:31:36,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-10-17 10:31:36,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 240. [2022-10-17 10:31:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 209 states have (on average 1.368421052631579) internal successors, (286), 231 states have internal predecessors, (286), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-17 10:31:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 326 transitions. [2022-10-17 10:31:36,979 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 326 transitions. Word has length 7 [2022-10-17 10:31:36,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:36,979 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 326 transitions. [2022-10-17 10:31:36,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 326 transitions. [2022-10-17 10:31:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 10:31:36,982 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:36,982 INFO L195 NwaCegarLoop]: 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] [2022-10-17 10:31:37,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-17 10:31:37,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:37,200 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:37,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:37,201 INFO L85 PathProgramCache]: Analyzing trace with hash 923887179, now seen corresponding path program 1 times [2022-10-17 10:31:37,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:37,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912420627] [2022-10-17 10:31:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:37,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:37,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:37,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912420627] [2022-10-17 10:31:37,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912420627] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:37,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:37,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:31:37,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036606884] [2022-10-17 10:31:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:37,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:31:37,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:37,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:31:37,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:31:37,799 INFO L87 Difference]: Start difference. First operand 240 states and 326 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:38,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:38,173 INFO L93 Difference]: Finished difference Result 448 states and 615 transitions. [2022-10-17 10:31:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:31:38,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-17 10:31:38,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:38,179 INFO L225 Difference]: With dead ends: 448 [2022-10-17 10:31:38,179 INFO L226 Difference]: Without dead ends: 319 [2022-10-17 10:31:38,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:31:38,181 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 100 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:38,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 847 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-17 10:31:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-10-17 10:31:38,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 240. [2022-10-17 10:31:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 209 states have (on average 1.3636363636363635) internal successors, (285), 231 states have internal predecessors, (285), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-17 10:31:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 325 transitions. [2022-10-17 10:31:38,226 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 325 transitions. Word has length 51 [2022-10-17 10:31:38,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:38,227 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 325 transitions. [2022-10-17 10:31:38,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 325 transitions. [2022-10-17 10:31:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 10:31:38,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:38,230 INFO L195 NwaCegarLoop]: 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] [2022-10-17 10:31:38,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:31:38,231 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:38,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:38,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1684967237, now seen corresponding path program 1 times [2022-10-17 10:31:38,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:38,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639154026] [2022-10-17 10:31:38,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:38,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:38,389 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:31:38,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1539399707] [2022-10-17 10:31:38,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:38,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:38,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:38,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:38,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-17 10:31:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:39,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 1557 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:31:39,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:39,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:39,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:39,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639154026] [2022-10-17 10:31:39,057 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:31:39,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539399707] [2022-10-17 10:31:39,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539399707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:39,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:39,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:31:39,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106710736] [2022-10-17 10:31:39,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:39,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:31:39,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:39,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:31:39,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:31:39,059 INFO L87 Difference]: Start difference. First operand 240 states and 325 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:39,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:39,126 INFO L93 Difference]: Finished difference Result 493 states and 673 transitions. [2022-10-17 10:31:39,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:31:39,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-17 10:31:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:39,129 INFO L225 Difference]: With dead ends: 493 [2022-10-17 10:31:39,129 INFO L226 Difference]: Without dead ends: 261 [2022-10-17 10:31:39,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:31:39,131 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 10 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 583 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 [2022-10-17 10:31:39,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 583 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:31:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-10-17 10:31:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 260. [2022-10-17 10:31:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 229 states have (on average 1.331877729257642) internal successors, (305), 251 states have internal predecessors, (305), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-17 10:31:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 345 transitions. [2022-10-17 10:31:39,148 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 345 transitions. Word has length 59 [2022-10-17 10:31:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:39,148 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 345 transitions. [2022-10-17 10:31:39,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 345 transitions. [2022-10-17 10:31:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 10:31:39,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:39,151 INFO L195 NwaCegarLoop]: 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] [2022-10-17 10:31:39,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:39,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:39,371 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:39,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:39,372 INFO L85 PathProgramCache]: Analyzing trace with hash -622651831, now seen corresponding path program 1 times [2022-10-17 10:31:39,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:39,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874932113] [2022-10-17 10:31:39,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:39,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:39,520 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:31:39,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036893667] [2022-10-17 10:31:39,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:39,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:39,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:39,521 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:39,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-17 10:31:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:40,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 1561 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:31:40,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:40,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:40,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:40,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874932113] [2022-10-17 10:31:40,277 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:31:40,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036893667] [2022-10-17 10:31:40,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036893667] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:40,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:40,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:31:40,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143641008] [2022-10-17 10:31:40,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:40,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:31:40,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:40,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:31:40,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:31:40,280 INFO L87 Difference]: Start difference. First operand 260 states and 345 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:40,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:40,362 INFO L93 Difference]: Finished difference Result 502 states and 672 transitions. [2022-10-17 10:31:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:31:40,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-17 10:31:40,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:40,365 INFO L225 Difference]: With dead ends: 502 [2022-10-17 10:31:40,365 INFO L226 Difference]: Without dead ends: 250 [2022-10-17 10:31:40,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:31:40,367 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 223 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 679 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 [2022-10-17 10:31:40,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 679 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:31:40,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-10-17 10:31:40,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 246. [2022-10-17 10:31:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 215 states have (on average 1.3209302325581396) internal successors, (284), 237 states have internal predecessors, (284), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-17 10:31:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 324 transitions. [2022-10-17 10:31:40,382 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 324 transitions. Word has length 59 [2022-10-17 10:31:40,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:40,383 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 324 transitions. [2022-10-17 10:31:40,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 324 transitions. [2022-10-17 10:31:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 10:31:40,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:40,385 INFO L195 NwaCegarLoop]: 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] [2022-10-17 10:31:40,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:40,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:40,605 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:40,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:40,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1240169861, now seen corresponding path program 1 times [2022-10-17 10:31:40,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:40,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662139201] [2022-10-17 10:31:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:40,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:40,730 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:31:40,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1390333849] [2022-10-17 10:31:40,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:40,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:40,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:40,732 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:40,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-17 10:31:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:41,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 1547 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:31:41,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:41,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:41,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:41,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662139201] [2022-10-17 10:31:41,612 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:31:41,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390333849] [2022-10-17 10:31:41,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390333849] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:41,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:41,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:31:41,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188887783] [2022-10-17 10:31:41,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:41,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:31:41,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:41,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:31:41,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:31:41,616 INFO L87 Difference]: Start difference. First operand 246 states and 324 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:41,694 INFO L93 Difference]: Finished difference Result 377 states and 506 transitions. [2022-10-17 10:31:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:31:41,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-17 10:31:41,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:41,702 INFO L225 Difference]: With dead ends: 377 [2022-10-17 10:31:41,703 INFO L226 Difference]: Without dead ends: 376 [2022-10-17 10:31:41,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:31:41,706 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 95 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:41,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 919 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:31:41,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-10-17 10:31:41,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 343. [2022-10-17 10:31:41,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 307 states have (on average 1.283387622149837) internal successors, (394), 329 states have internal predecessors, (394), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-10-17 10:31:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 442 transitions. [2022-10-17 10:31:41,735 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 442 transitions. Word has length 59 [2022-10-17 10:31:41,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:41,735 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 442 transitions. [2022-10-17 10:31:41,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 442 transitions. [2022-10-17 10:31:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 10:31:41,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:41,746 INFO L195 NwaCegarLoop]: 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] [2022-10-17 10:31:41,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:41,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:41,969 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:41,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:41,969 INFO L85 PathProgramCache]: Analyzing trace with hash 209440015, now seen corresponding path program 1 times [2022-10-17 10:31:41,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:41,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481538934] [2022-10-17 10:31:41,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:41,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:42,096 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:31:42,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862773952] [2022-10-17 10:31:42,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:42,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:42,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:42,098 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:42,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-17 10:31:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:42,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:31:42,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:43,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:43,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:43,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481538934] [2022-10-17 10:31:43,000 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:31:43,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862773952] [2022-10-17 10:31:43,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862773952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:43,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:43,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:31:43,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719692894] [2022-10-17 10:31:43,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:43,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:31:43,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:43,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:31:43,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:31:43,003 INFO L87 Difference]: Start difference. First operand 343 states and 442 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:43,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:43,090 INFO L93 Difference]: Finished difference Result 343 states and 442 transitions. [2022-10-17 10:31:43,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:31:43,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-17 10:31:43,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:43,094 INFO L225 Difference]: With dead ends: 343 [2022-10-17 10:31:43,094 INFO L226 Difference]: Without dead ends: 342 [2022-10-17 10:31:43,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:31:43,095 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 269 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:43,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 539 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:31:43,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-10-17 10:31:43,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2022-10-17 10:31:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 307 states have (on average 1.280130293159609) internal successors, (393), 328 states have internal predecessors, (393), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-10-17 10:31:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 441 transitions. [2022-10-17 10:31:43,116 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 441 transitions. Word has length 60 [2022-10-17 10:31:43,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:43,116 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 441 transitions. [2022-10-17 10:31:43,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 441 transitions. [2022-10-17 10:31:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 10:31:43,118 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:43,118 INFO L195 NwaCegarLoop]: 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] [2022-10-17 10:31:43,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-17 10:31:43,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:43,345 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:43,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:43,345 INFO L85 PathProgramCache]: Analyzing trace with hash -258241977, now seen corresponding path program 1 times [2022-10-17 10:31:43,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:43,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656922424] [2022-10-17 10:31:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:43,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:43,474 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:31:43,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900197805] [2022-10-17 10:31:43,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:43,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:43,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:43,477 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-17 10:31:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:44,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:31:44,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:44,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:44,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:44,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656922424] [2022-10-17 10:31:44,443 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:31:44,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900197805] [2022-10-17 10:31:44,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900197805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:44,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:44,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:31:44,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990511763] [2022-10-17 10:31:44,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:44,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:31:44,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:44,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:31:44,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:31:44,445 INFO L87 Difference]: Start difference. First operand 342 states and 441 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2022-10-17 10:31:44,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:44,560 INFO L93 Difference]: Finished difference Result 692 states and 904 transitions. [2022-10-17 10:31:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:31:44,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 72 [2022-10-17 10:31:44,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:44,563 INFO L225 Difference]: With dead ends: 692 [2022-10-17 10:31:44,564 INFO L226 Difference]: Without dead ends: 409 [2022-10-17 10:31:44,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:31:44,566 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 100 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:44,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 632 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:31:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-10-17 10:31:44,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 406. [2022-10-17 10:31:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 370 states have (on average 1.2891891891891891) internal successors, (477), 391 states have internal predecessors, (477), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2022-10-17 10:31:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 527 transitions. [2022-10-17 10:31:44,586 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 527 transitions. Word has length 72 [2022-10-17 10:31:44,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:44,587 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 527 transitions. [2022-10-17 10:31:44,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2022-10-17 10:31:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 527 transitions. [2022-10-17 10:31:44,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 10:31:44,588 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:44,588 INFO L195 NwaCegarLoop]: 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] [2022-10-17 10:31:44,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:44,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-17 10:31:44,813 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:44,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:44,813 INFO L85 PathProgramCache]: Analyzing trace with hash -146069929, now seen corresponding path program 1 times [2022-10-17 10:31:44,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:44,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133028277] [2022-10-17 10:31:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:44,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:44,891 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:31:44,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188046552] [2022-10-17 10:31:44,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:44,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:44,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:44,893 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:44,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-17 10:31:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:46,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:31:46,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 10:31:46,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:46,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:46,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133028277] [2022-10-17 10:31:46,566 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:31:46,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188046552] [2022-10-17 10:31:46,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188046552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:46,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:46,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:31:46,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017501758] [2022-10-17 10:31:46,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:46,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:31:46,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:46,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:31:46,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:31:46,573 INFO L87 Difference]: Start difference. First operand 406 states and 527 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:31:46,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:46,638 INFO L93 Difference]: Finished difference Result 765 states and 1007 transitions. [2022-10-17 10:31:46,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:31:46,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2022-10-17 10:31:46,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:46,643 INFO L225 Difference]: With dead ends: 765 [2022-10-17 10:31:46,643 INFO L226 Difference]: Without dead ends: 412 [2022-10-17 10:31:46,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:31:46,647 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 2 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:46,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 920 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:31:46,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-10-17 10:31:46,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2022-10-17 10:31:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 374 states have (on average 1.2914438502673797) internal successors, (483), 397 states have internal predecessors, (483), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2022-10-17 10:31:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 535 transitions. [2022-10-17 10:31:46,683 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 535 transitions. Word has length 87 [2022-10-17 10:31:46,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:46,684 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 535 transitions. [2022-10-17 10:31:46,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:31:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 535 transitions. [2022-10-17 10:31:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 10:31:46,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:46,692 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-17 10:31:46,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:46,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:46,912 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-17 10:31:46,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:46,912 INFO L85 PathProgramCache]: Analyzing trace with hash 104636021, now seen corresponding path program 1 times [2022-10-17 10:31:46,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:46,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277170707] [2022-10-17 10:31:46,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:46,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:46,979 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:31:46,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [117620568] [2022-10-17 10:31:46,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:46,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:31:46,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:46,981 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:31:47,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269e680-ed75-49e3-aa15-73a808a5c1e2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process