./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8 --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 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:18:44,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:18:44,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:18:44,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:18:44,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:18:45,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:18:45,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:18:45,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:18:45,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:18:45,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:18:45,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:18:45,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:18:45,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:18:45,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:18:45,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:18:45,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:18:45,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:18:45,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:18:45,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:18:45,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:18:45,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:18:45,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:18:45,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:18:45,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:18:45,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:18:45,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:18:45,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:18:45,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:18:45,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:18:45,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:18:45,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:18:45,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:18:45,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:18:45,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:18:45,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:18:45,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:18:45,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:18:45,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:18:45,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:18:45,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:18:45,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:18:45,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 13:18:45,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:18:45,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:18:45,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:18:45,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:18:45,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:18:45,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:18:45,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:18:45,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:18:45,058 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:18:45,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:18:45,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:18:45,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:18:45,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:18:45,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:18:45,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:18:45,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:18:45,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:18:45,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:18:45,059 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:18:45,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:18:45,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:18:45,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:18:45,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:18:45,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:18:45,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:18:45,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:18:45,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:18:45,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:18:45,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:18:45,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:18:45,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:18:45,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:18:45,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:18:45,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:18:45,061 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:18:45,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:18:45,062 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:18:45,062 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2022-12-13 13:18:45,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:18:45,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:18:45,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:18:45,264 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:18:45,265 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:18:45,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2022-12-13 13:18:47,802 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:18:48,026 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:18:48,027 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2022-12-13 13:18:48,036 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/data/b81f47b3c/9a6addb0fc324b1bad28aee50ee7f322/FLAGf1a9d715e [2022-12-13 13:18:48,356 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/data/b81f47b3c/9a6addb0fc324b1bad28aee50ee7f322 [2022-12-13 13:18:48,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:18:48,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:18:48,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:18:48,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:18:48,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:18:48,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:48,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85aacff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48, skipping insertion in model container [2022-12-13 13:18:48,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:48,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:18:48,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:18:48,739 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2022-12-13 13:18:48,817 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 13:18:48,819 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2022-12-13 13:18:48,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:18:48,830 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:18:48,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2022-12-13 13:18:48,893 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 13:18:48,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2022-12-13 13:18:48,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:18:48,916 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:18:48,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48 WrapperNode [2022-12-13 13:18:48,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:18:48,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:18:48,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:18:48,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:18:48,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:48,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:48,983 INFO L138 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1404 [2022-12-13 13:18:48,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:18:48,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:18:48,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:18:48,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:18:48,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:48,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:48,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:48,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:49,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:49,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:49,040 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:49,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:49,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:18:49,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:18:49,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:18:49,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:18:49,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (1/1) ... [2022-12-13 13:18:49,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:18:49,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:49,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:49,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:18:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:18:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 13:18:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 13:18:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:18:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 13:18:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 13:18:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:18:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:18:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:18:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:18:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 13:18:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:18:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:18:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:18:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:18:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:18:49,299 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:18:49,301 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:18:50,623 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:18:50,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:18:50,631 INFO L300 CfgBuilder]: Removed 83 assume(true) statements. [2022-12-13 13:18:50,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:50 BoogieIcfgContainer [2022-12-13 13:18:50,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:18:50,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:18:50,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:18:50,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:18:50,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:18:48" (1/3) ... [2022-12-13 13:18:50,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f53f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:18:50, skipping insertion in model container [2022-12-13 13:18:50,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:48" (2/3) ... [2022-12-13 13:18:50,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f53f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:18:50, skipping insertion in model container [2022-12-13 13:18:50,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:50" (3/3) ... [2022-12-13 13:18:50,641 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-1.i [2022-12-13 13:18:50,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:18:50,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 13:18:50,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:18:50,715 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=PETRI_NET, 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;@3c53a277, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:18:50,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 13:18:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 269 states, 245 states have (on average 1.7142857142857142) internal successors, (420), 260 states have internal predecessors, (420), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 13:18:50,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 13:18:50,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:50,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:18:50,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:50,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:50,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1126968937, now seen corresponding path program 1 times [2022-12-13 13:18:50,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:50,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651548639] [2022-12-13 13:18:50,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:50,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:50,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:50,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651548639] [2022-12-13 13:18:50,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651548639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:50,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:50,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 13:18:50,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016993028] [2022-12-13 13:18:50,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:50,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:18:50,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:50,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:18:50,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:18:50,867 INFO L87 Difference]: Start difference. First operand has 269 states, 245 states have (on average 1.7142857142857142) internal successors, (420), 260 states have internal predecessors, (420), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:50,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:50,905 INFO L93 Difference]: Finished difference Result 534 states and 887 transitions. [2022-12-13 13:18:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:18:50,907 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 13:18:50,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:50,914 INFO L225 Difference]: With dead ends: 534 [2022-12-13 13:18:50,914 INFO L226 Difference]: Without dead ends: 263 [2022-12-13 13:18:50,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:18:50,919 INFO L413 NwaCegarLoop]: 348 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, 348 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 [2022-12-13 13:18:50,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:18:50,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-12-13 13:18:50,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2022-12-13 13:18:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 242 states have (on average 1.3305785123966942) internal successors, (322), 254 states have internal predecessors, (322), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 13:18:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 344 transitions. [2022-12-13 13:18:50,957 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 344 transitions. Word has length 6 [2022-12-13 13:18:50,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:50,958 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 344 transitions. [2022-12-13 13:18:50,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 344 transitions. [2022-12-13 13:18:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 13:18:50,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:50,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:50,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:18:50,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:50,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:50,960 INFO L85 PathProgramCache]: Analyzing trace with hash 576299446, now seen corresponding path program 1 times [2022-12-13 13:18:50,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:50,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950211046] [2022-12-13 13:18:50,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:50,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:50,973 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:18:50,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356888415] [2022-12-13 13:18:50,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:50,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:50,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:50,975 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:50,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 13:18:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:51,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:18:51,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:51,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:18:51,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:51,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950211046] [2022-12-13 13:18:51,123 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:18:51,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356888415] [2022-12-13 13:18:51,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356888415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:51,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:51,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:18:51,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502633828] [2022-12-13 13:18:51,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:51,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:18:51,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:51,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:18:51,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:51,126 INFO L87 Difference]: Start difference. First operand 263 states and 344 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2022-12-13 13:18:51,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:51,218 INFO L93 Difference]: Finished difference Result 597 states and 790 transitions. [2022-12-13 13:18:51,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:18:51,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 [2022-12-13 13:18:51,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:51,222 INFO L225 Difference]: With dead ends: 597 [2022-12-13 13:18:51,222 INFO L226 Difference]: Without dead ends: 513 [2022-12-13 13:18:51,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:51,224 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 308 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:51,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 698 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:18:51,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2022-12-13 13:18:51,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 338. [2022-12-13 13:18:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 312 states have (on average 1.3461538461538463) internal successors, (420), 329 states have internal predecessors, (420), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 13:18:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 452 transitions. [2022-12-13 13:18:51,248 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 452 transitions. Word has length 7 [2022-12-13 13:18:51,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:51,248 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 452 transitions. [2022-12-13 13:18:51,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2022-12-13 13:18:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 452 transitions. [2022-12-13 13:18:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 13:18:51,249 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:51,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:51,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:51,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:51,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:51,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:51,453 INFO L85 PathProgramCache]: Analyzing trace with hash 556530162, now seen corresponding path program 1 times [2022-12-13 13:18:51,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:51,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260612020] [2022-12-13 13:18:51,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:51,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:51,529 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:18:51,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1858667944] [2022-12-13 13:18:51,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:51,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:51,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:51,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:51,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 13:18:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:51,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:18:51,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:51,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:18:51,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:51,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260612020] [2022-12-13 13:18:51,713 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:18:51,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858667944] [2022-12-13 13:18:51,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858667944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:51,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:51,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:18:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536346932] [2022-12-13 13:18:51,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:51,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:18:51,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:51,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:18:51,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:51,715 INFO L87 Difference]: Start difference. First operand 338 states and 452 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-12-13 13:18:51,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:51,768 INFO L93 Difference]: Finished difference Result 514 states and 676 transitions. [2022-12-13 13:18:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:18:51,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2022-12-13 13:18:51,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:51,770 INFO L225 Difference]: With dead ends: 514 [2022-12-13 13:18:51,771 INFO L226 Difference]: Without dead ends: 511 [2022-12-13 13:18:51,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:51,772 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 301 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:51,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 730 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:18:51,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-12-13 13:18:51,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 342. [2022-12-13 13:18:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 316 states have (on average 1.3354430379746836) internal successors, (422), 333 states have internal predecessors, (422), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 13:18:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 454 transitions. [2022-12-13 13:18:51,793 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 454 transitions. Word has length 7 [2022-12-13 13:18:51,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:51,793 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 454 transitions. [2022-12-13 13:18:51,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-12-13 13:18:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 454 transitions. [2022-12-13 13:18:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 13:18:51,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:51,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:51,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 13:18:51,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:51,997 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:51,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:51,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1509086869, now seen corresponding path program 1 times [2022-12-13 13:18:51,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:51,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267686294] [2022-12-13 13:18:51,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:52,179 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:18:52,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288453645] [2022-12-13 13:18:52,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:52,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:52,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:52,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:52,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 13:18:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:52,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 2978 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:18:52,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:52,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:18:52,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:52,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267686294] [2022-12-13 13:18:52,953 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:18:52,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288453645] [2022-12-13 13:18:52,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288453645] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:52,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:52,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:18:52,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896342360] [2022-12-13 13:18:52,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:52,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:18:52,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:52,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:18:52,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:52,955 INFO L87 Difference]: Start difference. First operand 342 states and 454 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:53,018 INFO L93 Difference]: Finished difference Result 698 states and 932 transitions. [2022-12-13 13:18:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:18:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-12-13 13:18:53,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:53,020 INFO L225 Difference]: With dead ends: 698 [2022-12-13 13:18:53,021 INFO L226 Difference]: Without dead ends: 363 [2022-12-13 13:18:53,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:53,023 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 9 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:53,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 633 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:18:53,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-12-13 13:18:53,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 362. [2022-12-13 13:18:53,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 336 states have (on average 1.3154761904761905) internal successors, (442), 353 states have internal predecessors, (442), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 13:18:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 474 transitions. [2022-12-13 13:18:53,038 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 474 transitions. Word has length 103 [2022-12-13 13:18:53,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:53,038 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 474 transitions. [2022-12-13 13:18:53,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 474 transitions. [2022-12-13 13:18:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 13:18:53,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:53,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:53,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 13:18:53,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:53,275 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:53,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:53,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1749326615, now seen corresponding path program 1 times [2022-12-13 13:18:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:53,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200216699] [2022-12-13 13:18:53,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:53,549 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:18:53,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1906408497] [2022-12-13 13:18:53,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:53,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:53,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:53,551 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:53,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 13:18:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:54,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 2980 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:18:54,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:54,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:18:54,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:54,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200216699] [2022-12-13 13:18:54,417 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:18:54,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906408497] [2022-12-13 13:18:54,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906408497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:54,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:54,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:18:54,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321671123] [2022-12-13 13:18:54,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:54,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:18:54,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:54,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:18:54,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:54,419 INFO L87 Difference]: Start difference. First operand 362 states and 474 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:54,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:54,475 INFO L93 Difference]: Finished difference Result 738 states and 972 transitions. [2022-12-13 13:18:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:18:54,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-12-13 13:18:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:54,477 INFO L225 Difference]: With dead ends: 738 [2022-12-13 13:18:54,477 INFO L226 Difference]: Without dead ends: 383 [2022-12-13 13:18:54,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:54,478 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 9 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:54,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 633 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:18:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-12-13 13:18:54,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 382. [2022-12-13 13:18:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 356 states have (on average 1.297752808988764) internal successors, (462), 373 states have internal predecessors, (462), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 13:18:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 494 transitions. [2022-12-13 13:18:54,489 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 494 transitions. Word has length 103 [2022-12-13 13:18:54,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:54,489 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 494 transitions. [2022-12-13 13:18:54,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 494 transitions. [2022-12-13 13:18:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 13:18:54,490 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:54,490 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:54,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 13:18:54,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:54,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:54,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:54,693 INFO L85 PathProgramCache]: Analyzing trace with hash 494656683, now seen corresponding path program 1 times [2022-12-13 13:18:54,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:54,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651911626] [2022-12-13 13:18:54,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:54,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:54,852 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:18:54,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833652743] [2022-12-13 13:18:54,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:54,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:54,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:54,854 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:54,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 13:18:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:55,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:18:55,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:55,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:55,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:18:55,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:55,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651911626] [2022-12-13 13:18:55,765 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:18:55,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833652743] [2022-12-13 13:18:55,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833652743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:55,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:55,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:18:55,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834130812] [2022-12-13 13:18:55,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:55,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:18:55,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:55,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:18:55,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:18:55,766 INFO L87 Difference]: Start difference. First operand 382 states and 494 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:55,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:55,809 INFO L93 Difference]: Finished difference Result 747 states and 971 transitions. [2022-12-13 13:18:55,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:18:55,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-12-13 13:18:55,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:55,811 INFO L225 Difference]: With dead ends: 747 [2022-12-13 13:18:55,811 INFO L226 Difference]: Without dead ends: 372 [2022-12-13 13:18:55,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:18:55,812 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 310 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:55,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 665 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:18:55,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-12-13 13:18:55,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 368. [2022-12-13 13:18:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 342 states have (on average 1.2894736842105263) internal successors, (441), 359 states have internal predecessors, (441), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 13:18:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 473 transitions. [2022-12-13 13:18:55,820 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 473 transitions. Word has length 103 [2022-12-13 13:18:55,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:55,820 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 473 transitions. [2022-12-13 13:18:55,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 473 transitions. [2022-12-13 13:18:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 13:18:55,822 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:55,822 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:55,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 13:18:56,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:56,024 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:56,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:56,025 INFO L85 PathProgramCache]: Analyzing trace with hash -419194439, now seen corresponding path program 1 times [2022-12-13 13:18:56,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:56,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884720523] [2022-12-13 13:18:56,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:56,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:56,172 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:18:56,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [43464237] [2022-12-13 13:18:56,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:56,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:56,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:56,173 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:56,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 13:18:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:57,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:18:57,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:57,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:18:57,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:57,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884720523] [2022-12-13 13:18:57,183 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:18:57,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43464237] [2022-12-13 13:18:57,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43464237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:57,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:57,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:18:57,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078887976] [2022-12-13 13:18:57,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:57,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:18:57,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:57,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:18:57,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:18:57,184 INFO L87 Difference]: Start difference. First operand 368 states and 473 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:57,254 INFO L93 Difference]: Finished difference Result 806 states and 1035 transitions. [2022-12-13 13:18:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:18:57,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-12-13 13:18:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:57,255 INFO L225 Difference]: With dead ends: 806 [2022-12-13 13:18:57,255 INFO L226 Difference]: Without dead ends: 445 [2022-12-13 13:18:57,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:18:57,256 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 303 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:57,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 951 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:18:57,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-12-13 13:18:57,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 354. [2022-12-13 13:18:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 328 states have (on average 1.2804878048780488) internal successors, (420), 345 states have internal predecessors, (420), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 13:18:57,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 452 transitions. [2022-12-13 13:18:57,265 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 452 transitions. Word has length 103 [2022-12-13 13:18:57,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:57,265 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 452 transitions. [2022-12-13 13:18:57,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 452 transitions. [2022-12-13 13:18:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 13:18:57,266 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:57,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:57,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 13:18:57,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 13:18:57,474 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:57,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:57,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1604741739, now seen corresponding path program 1 times [2022-12-13 13:18:57,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:57,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839431386] [2022-12-13 13:18:57,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:57,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:57,591 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:18:57,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880825231] [2022-12-13 13:18:57,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:57,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:57,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:57,592 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:57,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 13:18:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:58,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 2954 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:18:58,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:58,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:18:58,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:58,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839431386] [2022-12-13 13:18:58,791 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:18:58,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880825231] [2022-12-13 13:18:58,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880825231] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:58,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:58,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:18:58,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533000620] [2022-12-13 13:18:58,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:58,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:18:58,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:58,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:18:58,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:18:58,793 INFO L87 Difference]: Start difference. First operand 354 states and 452 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:58,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:58,834 INFO L93 Difference]: Finished difference Result 354 states and 452 transitions. [2022-12-13 13:18:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:18:58,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-12-13 13:18:58,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:58,837 INFO L225 Difference]: With dead ends: 354 [2022-12-13 13:18:58,837 INFO L226 Difference]: Without dead ends: 352 [2022-12-13 13:18:58,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:18:58,838 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 197 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:58,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 640 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:18:58,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-12-13 13:18:58,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2022-12-13 13:18:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 328 states have (on average 1.274390243902439) internal successors, (418), 343 states have internal predecessors, (418), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 13:18:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 450 transitions. [2022-12-13 13:18:58,846 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 450 transitions. Word has length 103 [2022-12-13 13:18:58,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:58,847 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 450 transitions. [2022-12-13 13:18:58,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 450 transitions. [2022-12-13 13:18:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-13 13:18:58,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:58,848 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:58,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 13:18:59,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:59,049 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:18:59,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:59,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1792612892, now seen corresponding path program 1 times [2022-12-13 13:18:59,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:59,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602988960] [2022-12-13 13:18:59,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:59,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:59,243 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:18:59,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1304219624] [2022-12-13 13:18:59,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:59,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:59,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:59,244 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:59,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 13:19:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:19:00,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 2955 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:19:00,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:19:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:19:00,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:19:00,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:19:00,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602988960] [2022-12-13 13:19:00,677 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:19:00,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304219624] [2022-12-13 13:19:00,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304219624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:19:00,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:19:00,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:19:00,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637669569] [2022-12-13 13:19:00,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:19:00,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:19:00,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:19:00,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:19:00,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:19:00,679 INFO L87 Difference]: Start difference. First operand 352 states and 450 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:19:00,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:19:00,729 INFO L93 Difference]: Finished difference Result 532 states and 666 transitions. [2022-12-13 13:19:00,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:19:00,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-12-13 13:19:00,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:19:00,731 INFO L225 Difference]: With dead ends: 532 [2022-12-13 13:19:00,731 INFO L226 Difference]: Without dead ends: 531 [2022-12-13 13:19:00,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:19:00,732 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 190 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:19:00,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1022 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:19:00,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2022-12-13 13:19:00,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2022-12-13 13:19:00,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 499 states have (on average 1.2444889779559118) internal successors, (621), 514 states have internal predecessors, (621), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2022-12-13 13:19:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 665 transitions. [2022-12-13 13:19:00,751 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 665 transitions. Word has length 104 [2022-12-13 13:19:00,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:19:00,751 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 665 transitions. [2022-12-13 13:19:00,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:19:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 665 transitions. [2022-12-13 13:19:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-13 13:19:00,753 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:19:00,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:19:00,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 13:19:00,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:19:00,954 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:19:00,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:19:00,954 INFO L85 PathProgramCache]: Analyzing trace with hash 3046928, now seen corresponding path program 1 times [2022-12-13 13:19:00,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:19:00,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443692205] [2022-12-13 13:19:00,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:00,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:19:01,101 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:19:01,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529975829] [2022-12-13 13:19:01,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:01,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:19:01,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:19:01,103 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:19:01,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 13:19:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:19:02,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 2985 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 13:19:02,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:19:02,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:19:02,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:19:02,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:19:02,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443692205] [2022-12-13 13:19:02,598 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:19:02,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529975829] [2022-12-13 13:19:02,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529975829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:19:02,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:19:02,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:19:02,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336449131] [2022-12-13 13:19:02,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:19:02,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:19:02,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:19:02,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:19:02,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:19:02,600 INFO L87 Difference]: Start difference. First operand 529 states and 665 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:19:02,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:19:02,678 INFO L93 Difference]: Finished difference Result 992 states and 1272 transitions. [2022-12-13 13:19:02,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:19:02,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2022-12-13 13:19:02,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:19:02,682 INFO L225 Difference]: With dead ends: 992 [2022-12-13 13:19:02,682 INFO L226 Difference]: Without dead ends: 608 [2022-12-13 13:19:02,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:19:02,683 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 135 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:19:02,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 691 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:19:02,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2022-12-13 13:19:02,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 604. [2022-12-13 13:19:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 564 states have (on average 1.2641843971631206) internal successors, (713), 589 states have internal predecessors, (713), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2022-12-13 13:19:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 777 transitions. [2022-12-13 13:19:02,716 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 777 transitions. Word has length 109 [2022-12-13 13:19:02,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:19:02,717 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 777 transitions. [2022-12-13 13:19:02,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:19:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 777 transitions. [2022-12-13 13:19:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 13:19:02,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:19:02,719 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:19:02,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 13:19:02,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:19:02,921 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:19:02,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:19:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash -934944872, now seen corresponding path program 1 times [2022-12-13 13:19:02,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:19:02,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190993120] [2022-12-13 13:19:02,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:19:03,044 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:19:03,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [635241723] [2022-12-13 13:19:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:03,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:19:03,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:19:03,045 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:19:03,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 13:19:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:19:04,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 13:19:04,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:19:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 13:19:04,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:19:04,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:19:04,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190993120] [2022-12-13 13:19:04,268 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:19:04,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635241723] [2022-12-13 13:19:04,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635241723] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:19:04,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:19:04,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:19:04,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688614625] [2022-12-13 13:19:04,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:19:04,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:19:04,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:19:04,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:19:04,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:19:04,270 INFO L87 Difference]: Start difference. First operand 604 states and 777 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2022-12-13 13:19:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:19:04,311 INFO L93 Difference]: Finished difference Result 1148 states and 1486 transitions. [2022-12-13 13:19:04,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:19:04,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 124 [2022-12-13 13:19:04,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:19:04,314 INFO L225 Difference]: With dead ends: 1148 [2022-12-13 13:19:04,314 INFO L226 Difference]: Without dead ends: 602 [2022-12-13 13:19:04,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:19:04,316 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 15 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:19:04,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 639 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:19:04,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-12-13 13:19:04,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2022-12-13 13:19:04,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 562 states have (on average 1.2633451957295374) internal successors, (710), 587 states have internal predecessors, (710), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2022-12-13 13:19:04,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 774 transitions. [2022-12-13 13:19:04,330 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 774 transitions. Word has length 124 [2022-12-13 13:19:04,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:19:04,330 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 774 transitions. [2022-12-13 13:19:04,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2022-12-13 13:19:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 774 transitions. [2022-12-13 13:19:04,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-13 13:19:04,332 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:19:04,332 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:19:04,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 13:19:04,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:19:04,532 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:19:04,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:19:04,533 INFO L85 PathProgramCache]: Analyzing trace with hash 545679673, now seen corresponding path program 1 times [2022-12-13 13:19:04,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:19:04,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037913415] [2022-12-13 13:19:04,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:19:04,601 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:19:04,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008160267] [2022-12-13 13:19:04,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:04,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:19:04,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:19:04,603 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:19:04,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 13:19:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:19:11,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:19:11,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:19:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 13:19:11,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:19:11,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:19:11,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037913415] [2022-12-13 13:19:11,552 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:19:11,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008160267] [2022-12-13 13:19:11,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008160267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:19:11,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:19:11,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:19:11,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179358872] [2022-12-13 13:19:11,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:19:11,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:19:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:19:11,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:19:11,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:19:11,555 INFO L87 Difference]: Start difference. First operand 602 states and 774 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 13:19:11,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:19:11,601 INFO L93 Difference]: Finished difference Result 1155 states and 1505 transitions. [2022-12-13 13:19:11,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:19:11,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 139 [2022-12-13 13:19:11,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:19:11,605 INFO L225 Difference]: With dead ends: 1155 [2022-12-13 13:19:11,605 INFO L226 Difference]: Without dead ends: 605 [2022-12-13 13:19:11,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:19:11,607 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 2 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:19:11,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 965 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:19:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2022-12-13 13:19:11,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2022-12-13 13:19:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 564 states have (on average 1.2641843971631206) internal successors, (713), 590 states have internal predecessors, (713), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2022-12-13 13:19:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 781 transitions. [2022-12-13 13:19:11,632 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 781 transitions. Word has length 139 [2022-12-13 13:19:11,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:19:11,632 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 781 transitions. [2022-12-13 13:19:11,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 13:19:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 781 transitions. [2022-12-13 13:19:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-13 13:19:11,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:19:11,634 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:19:11,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 13:19:11,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 13:19:11,835 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 13:19:11,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:19:11,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1068737789, now seen corresponding path program 1 times [2022-12-13 13:19:11,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:19:11,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834973030] [2022-12-13 13:19:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:11,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:19:11,960 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:19:11,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704772719] [2022-12-13 13:19:11,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:11,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:19:11,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:19:11,962 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:19:11,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad63715-5097-42ba-8c73-f611a385334d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process