./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.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_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/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_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/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_1347ee1b-4d5b-43f7-855b-372b479d047e/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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- 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 11:05:54,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:05:54,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:05:54,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:05:54,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:05:54,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:05:54,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:05:54,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:05:54,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:05:54,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:05:54,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:05:54,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:05:54,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:05:54,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:05:54,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:05:54,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:05:54,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:05:54,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:05:54,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:05:54,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:05:54,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:05:54,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:05:54,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:05:54,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:05:55,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:05:55,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:05:55,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:05:55,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:05:55,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:05:55,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:05:55,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:05:55,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:05:55,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:05:55,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:05:55,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:05:55,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:05:55,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:05:55,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:05:55,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:05:55,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:05:55,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:05:55,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 11:05:55,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:05:55,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:05:55,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:05:55,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:05:55,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:05:55,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:05:55,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:05:55,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:05:55,032 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:05:55,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:05:55,032 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:05:55,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:05:55,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:05:55,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:05:55,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:05:55,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:05:55,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:05:55,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:05:55,033 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:05:55,034 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:05:55,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:05:55,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:05:55,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:05:55,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:05:55,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:05:55,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:05:55,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:05:55,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:05:55,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:05:55,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:05:55,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:05:55,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:05:55,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:05:55,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:05:55,036 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:05:55,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:05:55,036 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:05:55,036 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_1347ee1b-4d5b-43f7-855b-372b479d047e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2022-12-13 11:05:55,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:05:55,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:05:55,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:05:55,255 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:05:55,256 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:05:55,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-12-13 11:05:57,864 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:05:58,100 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:05:58,101 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-12-13 11:05:58,113 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/data/ffebd7499/e4f38c772b92403390441236600afd41/FLAG21348476a [2022-12-13 11:05:58,126 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/data/ffebd7499/e4f38c772b92403390441236600afd41 [2022-12-13 11:05:58,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:05:58,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:05:58,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:05:58,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:05:58,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:05:58,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d31bf77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58, skipping insertion in model container [2022-12-13 11:05:58,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:05:58,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:05:58,519 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-12-13 11:05:58,585 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 11:05:58,591 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-12-13 11:05:58,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:05:58,602 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:05:58,623 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-12-13 11:05:58,654 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 11:05:58,658 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-12-13 11:05:58,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:05:58,682 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:05:58,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58 WrapperNode [2022-12-13 11:05:58,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:05:58,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:05:58,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:05:58,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:05:58,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,764 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1030 [2022-12-13 11:05:58,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:05:58,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:05:58,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:05:58,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:05:58,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:05:58,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:05:58,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:05:58,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:05:58,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:05:58,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:05:58,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:05:58,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:05:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:05:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 11:05:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 11:05:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:05:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 11:05:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 11:05:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:05:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:05:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 11:05:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:05:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 11:05:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 11:05:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:05:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:05:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:05:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:05:59,059 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:05:59,061 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:06:00,137 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:06:00,143 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:06:00,143 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-13 11:06:00,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:06:00 BoogieIcfgContainer [2022-12-13 11:06:00,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:06:00,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:06:00,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:06:00,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:06:00,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:05:58" (1/3) ... [2022-12-13 11:06:00,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcb51f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:06:00, skipping insertion in model container [2022-12-13 11:06:00,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (2/3) ... [2022-12-13 11:06:00,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcb51f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:06:00, skipping insertion in model container [2022-12-13 11:06:00,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:06:00" (3/3) ... [2022-12-13 11:06:00,151 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-1.i [2022-12-13 11:06:00,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:06:00,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 11:06:00,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:06:00,207 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;@674fc117, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:06:00,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 11:06:00,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 193 states have (on average 1.7046632124352332) internal successors, (329), 206 states have internal predecessors, (329), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:06:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 11:06:00,215 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:06:00,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:06:00,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:06:00,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:06:00,219 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2022-12-13 11:06:00,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:06:00,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004232588] [2022-12-13 11:06:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:06:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:00,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:06:00,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004232588] [2022-12-13 11:06:00,327 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 11:06:00,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356990762] [2022-12-13 11:06:00,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:00,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:00,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:06:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:00,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 11:06:00,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:06:00,462 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 11:06:00,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:06:00,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356990762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:06:00,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:06:00,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:06:00,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719465829] [2022-12-13 11:06:00,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:06:00,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:06:00,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:06:00,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:06:00,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:06:00,500 INFO L87 Difference]: Start difference. First operand has 212 states, 193 states have (on average 1.7046632124352332) internal successors, (329), 206 states have internal predecessors, (329), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:06:00,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:06:00,541 INFO L93 Difference]: Finished difference Result 422 states and 693 transitions. [2022-12-13 11:06:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:06:00,542 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-13 11:06:00,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:06:00,551 INFO L225 Difference]: With dead ends: 422 [2022-12-13 11:06:00,551 INFO L226 Difference]: Without dead ends: 208 [2022-12-13 11:06:00,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:06:00,556 INFO L413 NwaCegarLoop]: 276 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, 276 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 11:06:00,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:06:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-12-13 11:06:00,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2022-12-13 11:06:00,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 190 states have (on average 1.3473684210526315) internal successors, (256), 202 states have internal predecessors, (256), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:06:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 272 transitions. [2022-12-13 11:06:00,591 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 272 transitions. Word has length 7 [2022-12-13 11:06:00,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:06:00,591 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 272 transitions. [2022-12-13 11:06:00,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:06:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 272 transitions. [2022-12-13 11:06:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 11:06:00,592 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:06:00,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:06:00,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:06:00,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 11:06:00,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:06:00,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:06:00,797 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2022-12-13 11:06:00,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:06:00,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619297508] [2022-12-13 11:06:00,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:00,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:06:00,905 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 11:06:00,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [568951156] [2022-12-13 11:06:00,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:00,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:00,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,912 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 11:06:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:01,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 11:06:01,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:06:01,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 11:06:01,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 11:06:01,153 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 11:06:01,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-13 11:06:01,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 11:06:01,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 11:06:01,195 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 11:06:01,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:06:01,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:06:01,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619297508] [2022-12-13 11:06:01,196 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 11:06:01,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568951156] [2022-12-13 11:06:01,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568951156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:06:01,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:06:01,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:06:01,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617519554] [2022-12-13 11:06:01,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:06:01,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:06:01,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:06:01,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:06:01,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:06:01,198 INFO L87 Difference]: Start difference. First operand 208 states and 272 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:06:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:06:01,739 INFO L93 Difference]: Finished difference Result 346 states and 460 transitions. [2022-12-13 11:06:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:06:01,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-13 11:06:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:06:01,741 INFO L225 Difference]: With dead ends: 346 [2022-12-13 11:06:01,741 INFO L226 Difference]: Without dead ends: 344 [2022-12-13 11:06:01,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:06:01,742 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 208 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:06:01,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 838 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:06:01,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-12-13 11:06:01,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 214. [2022-12-13 11:06:01,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 196 states have (on average 1.3418367346938775) internal successors, (263), 208 states have internal predecessors, (263), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:06:01,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 279 transitions. [2022-12-13 11:06:01,757 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 279 transitions. Word has length 7 [2022-12-13 11:06:01,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:06:01,757 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 279 transitions. [2022-12-13 11:06:01,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:06:01,757 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 279 transitions. [2022-12-13 11:06:01,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 11:06:01,758 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:06:01,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:06:01,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 11:06:01,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:01,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:06:01,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:06:01,962 INFO L85 PathProgramCache]: Analyzing trace with hash -686726947, now seen corresponding path program 1 times [2022-12-13 11:06:01,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:06:01,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557112716] [2022-12-13 11:06:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:01,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:06:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:02,179 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 11:06:02,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:06:02,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557112716] [2022-12-13 11:06:02,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557112716] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:06:02,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:06:02,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:06:02,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469568705] [2022-12-13 11:06:02,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:06:02,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:06:02,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:06:02,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:06:02,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:06:02,182 INFO L87 Difference]: Start difference. First operand 214 states and 279 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 11:06:02,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:06:02,553 INFO L93 Difference]: Finished difference Result 418 states and 555 transitions. [2022-12-13 11:06:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:06:02,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2022-12-13 11:06:02,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:06:02,556 INFO L225 Difference]: With dead ends: 418 [2022-12-13 11:06:02,557 INFO L226 Difference]: Without dead ends: 310 [2022-12-13 11:06:02,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:06:02,559 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 120 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:06:02,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 700 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 11:06:02,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-12-13 11:06:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 214. [2022-12-13 11:06:02,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 196 states have (on average 1.336734693877551) internal successors, (262), 208 states have internal predecessors, (262), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:06:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 278 transitions. [2022-12-13 11:06:02,576 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 278 transitions. Word has length 10 [2022-12-13 11:06:02,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:06:02,576 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 278 transitions. [2022-12-13 11:06:02,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 11:06:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 278 transitions. [2022-12-13 11:06:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 11:06:02,578 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:06:02,579 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] [2022-12-13 11:06:02,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:06:02,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:06:02,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:06:02,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1818750011, now seen corresponding path program 1 times [2022-12-13 11:06:02,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:06:02,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671131283] [2022-12-13 11:06:02,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:02,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:06:02,675 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 11:06:02,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872079636] [2022-12-13 11:06:02,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:02,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:02,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:02,676 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:06:02,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 11:06:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:03,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:06:03,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:06:03,128 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 11:06:03,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:06:03,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:06:03,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671131283] [2022-12-13 11:06:03,129 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 11:06:03,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872079636] [2022-12-13 11:06:03,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872079636] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:06:03,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:06:03,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:06:03,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530803944] [2022-12-13 11:06:03,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:06:03,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:06:03,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:06:03,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:06:03,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:06:03,131 INFO L87 Difference]: Start difference. First operand 214 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 11:06:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:06:03,185 INFO L93 Difference]: Finished difference Result 441 states and 579 transitions. [2022-12-13 11:06:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:06:03,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2022-12-13 11:06:03,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:06:03,187 INFO L225 Difference]: With dead ends: 441 [2022-12-13 11:06:03,187 INFO L226 Difference]: Without dead ends: 235 [2022-12-13 11:06:03,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 11:06:03,190 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 9 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 489 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 11:06:03,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 489 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:06:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-12-13 11:06:03,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 234. [2022-12-13 11:06:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 216 states have (on average 1.3055555555555556) internal successors, (282), 228 states have internal predecessors, (282), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:06:03,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 298 transitions. [2022-12-13 11:06:03,201 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 298 transitions. Word has length 57 [2022-12-13 11:06:03,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:06:03,202 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 298 transitions. [2022-12-13 11:06:03,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 11:06:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 298 transitions. [2022-12-13 11:06:03,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 11:06:03,205 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:06:03,205 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] [2022-12-13 11:06:03,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 11:06:03,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:03,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:06:03,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:06:03,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1309276921, now seen corresponding path program 1 times [2022-12-13 11:06:03,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:06:03,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847999098] [2022-12-13 11:06:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:03,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:06:03,521 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 11:06:03,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216556270] [2022-12-13 11:06:03,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:03,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:03,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:06:03,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 11:06:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:03,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:06:03,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:06:04,013 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 11:06:04,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:06:04,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:06:04,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847999098] [2022-12-13 11:06:04,013 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 11:06:04,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216556270] [2022-12-13 11:06:04,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216556270] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:06:04,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:06:04,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:06:04,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083944361] [2022-12-13 11:06:04,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:06:04,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:06:04,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:06:04,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:06:04,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:06:04,015 INFO L87 Difference]: Start difference. First operand 234 states and 298 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 11:06:04,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:06:04,067 INFO L93 Difference]: Finished difference Result 450 states and 578 transitions. [2022-12-13 11:06:04,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:06:04,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2022-12-13 11:06:04,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:06:04,068 INFO L225 Difference]: With dead ends: 450 [2022-12-13 11:06:04,068 INFO L226 Difference]: Without dead ends: 224 [2022-12-13 11:06:04,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 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 11:06:04,070 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 244 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 521 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 11:06:04,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 521 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:06:04,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-12-13 11:06:04,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220. [2022-12-13 11:06:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 202 states have (on average 1.2920792079207921) internal successors, (261), 214 states have internal predecessors, (261), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:06:04,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 277 transitions. [2022-12-13 11:06:04,083 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 277 transitions. Word has length 57 [2022-12-13 11:06:04,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:06:04,083 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 277 transitions. [2022-12-13 11:06:04,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 11:06:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 277 transitions. [2022-12-13 11:06:04,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 11:06:04,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:06:04,084 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] [2022-12-13 11:06:04,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 11:06:04,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:04,285 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:06:04,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:06:04,286 INFO L85 PathProgramCache]: Analyzing trace with hash 714659257, now seen corresponding path program 1 times [2022-12-13 11:06:04,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:06:04,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178838933] [2022-12-13 11:06:04,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:04,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:06:04,373 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 11:06:04,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119771329] [2022-12-13 11:06:04,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:04,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:04,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:04,374 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:06:04,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 11:06:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:04,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 11:06:04,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:06:05,036 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 11:06:05,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:06:05,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:06:05,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178838933] [2022-12-13 11:06:05,036 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 11:06:05,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119771329] [2022-12-13 11:06:05,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119771329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:06:05,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:06:05,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:06:05,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186529165] [2022-12-13 11:06:05,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:06:05,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:06:05,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:06:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:06:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:06:05,038 INFO L87 Difference]: Start difference. First operand 220 states and 277 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 11:06:05,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:06:05,139 INFO L93 Difference]: Finished difference Result 560 states and 712 transitions. [2022-12-13 11:06:05,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:06:05,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2022-12-13 11:06:05,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:06:05,141 INFO L225 Difference]: With dead ends: 560 [2022-12-13 11:06:05,141 INFO L226 Difference]: Without dead ends: 348 [2022-12-13 11:06:05,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 11:06:05,142 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 119 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:06:05,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 572 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:06:05,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-12-13 11:06:05,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 326. [2022-12-13 11:06:05,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 320 states have internal predecessors, (395), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:06:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 411 transitions. [2022-12-13 11:06:05,155 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 411 transitions. Word has length 57 [2022-12-13 11:06:05,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:06:05,156 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 411 transitions. [2022-12-13 11:06:05,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 11:06:05,156 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 411 transitions. [2022-12-13 11:06:05,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-13 11:06:05,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:06:05,157 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:06:05,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 11:06:05,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:05,358 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:06:05,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:06:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1691733493, now seen corresponding path program 1 times [2022-12-13 11:06:05,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:06:05,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83809087] [2022-12-13 11:06:05,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:05,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:06:05,388 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 11:06:05,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321092490] [2022-12-13 11:06:05,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:06:05,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:06:05,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:05,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:06:05,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 11:06:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:05,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 143 conjunts are in the unsatisfiable core [2022-12-13 11:06:05,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:06:05,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 11:06:05,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 11:06:05,802 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 11:06:05,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 11:06:05,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 11:06:05,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 11:06:06,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 11:06:06,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 11:06:06,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 11:06:06,321 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-12-13 11:06:06,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2022-12-13 11:06:06,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 11:06:06,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-13 11:06:06,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-13 11:06:17,663 INFO L217 Elim1Store]: Index analysis took 501 ms [2022-12-13 11:16:14,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:14,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83809087] [2022-12-13 11:16:14,770 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 11:16:14,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321092490] [2022-12-13 11:16:14,771 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-12-13 11:16:14,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 11:16:14,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 11:16:14,973 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 46923 column 7: canceled at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 46923 column 7: canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:54) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.pushContext(SimplifyDDA.java:736) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:389) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:648) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) ... 53 more [2022-12-13 11:16:14,982 INFO L158 Benchmark]: Toolchain (without parser) took 616852.33ms. Allocated memory was 155.2MB in the beginning and 10.0GB in the end (delta: 9.9GB). Free memory was 113.1MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 9.1GB. Max. memory is 16.1GB. [2022-12-13 11:16:14,982 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:16:14,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.53ms. Allocated memory is still 155.2MB. Free memory was 112.8MB in the beginning and 81.0MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 11:16:14,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.33ms. Allocated memory is still 155.2MB. Free memory was 80.6MB in the beginning and 73.7MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 11:16:14,983 INFO L158 Benchmark]: Boogie Preprocessor took 62.99ms. Allocated memory is still 155.2MB. Free memory was 73.7MB in the beginning and 65.9MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 11:16:14,983 INFO L158 Benchmark]: RCFGBuilder took 1316.54ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 65.9MB in the beginning and 120.5MB in the end (delta: -54.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-12-13 11:16:14,983 INFO L158 Benchmark]: TraceAbstraction took 614833.82ms. Allocated memory was 186.6MB in the beginning and 10.0GB in the end (delta: 9.8GB). Free memory was 119.4MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 9.1GB. Max. memory is 16.1GB. [2022-12-13 11:16:14,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.53ms. Allocated memory is still 155.2MB. Free memory was 112.8MB in the beginning and 81.0MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.33ms. Allocated memory is still 155.2MB. Free memory was 80.6MB in the beginning and 73.7MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.99ms. Allocated memory is still 155.2MB. Free memory was 73.7MB in the beginning and 65.9MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1316.54ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 65.9MB in the beginning and 120.5MB in the end (delta: -54.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 614833.82ms. Allocated memory was 186.6MB in the beginning and 10.0GB in the end (delta: 9.8GB). Free memory was 119.4MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 9.1GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 46923 column 7: canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 46923 column 7: canceled: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-13 11:16:15,191 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-13 11:16:15,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/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_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- 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 11:16:17,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:16:17,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:16:17,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:16:17,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:16:17,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:16:17,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:16:17,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:16:17,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:16:17,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:16:17,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:16:17,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:16:17,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:16:17,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:16:17,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:16:17,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:16:17,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:16:17,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:16:17,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:16:17,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:16:17,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:16:17,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:16:17,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:16:17,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:16:17,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:16:17,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:16:17,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:16:17,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:16:17,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:16:17,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:16:17,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:16:17,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:16:17,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:16:17,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:16:17,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:16:17,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:16:17,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:16:17,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:16:17,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:16:17,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:16:17,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:16:17,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2022-12-13 11:16:17,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:16:17,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:16:17,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:16:17,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:16:17,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:16:17,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:16:17,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:16:17,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:16:17,099 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:16:17,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:16:17,099 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:16:17,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:16:17,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:16:17,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:16:17,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:16:17,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:16:17,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:16:17,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 11:16:17,101 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 11:16:17,101 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:16:17,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 11:16:17,101 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:16:17,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:16:17,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:16:17,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:16:17,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:16:17,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:16:17,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:16:17,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:16:17,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:16:17,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:16:17,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:16:17,103 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 11:16:17,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 11:16:17,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:16:17,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:16:17,104 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:16:17,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:16:17,104 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 11:16:17,105 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:16:17,105 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_1347ee1b-4d5b-43f7-855b-372b479d047e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2022-12-13 11:16:17,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:16:17,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:16:17,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:16:17,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:16:17,361 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:16:17,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-12-13 11:16:19,977 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:16:20,218 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:16:20,218 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-12-13 11:16:20,231 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/data/ebf5bc9d6/def59b0799234c919ac097789a4c9565/FLAGb1e5164d0 [2022-12-13 11:16:20,243 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/data/ebf5bc9d6/def59b0799234c919ac097789a4c9565 [2022-12-13 11:16:20,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:16:20,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:16:20,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:16:20,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:16:20,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:16:20,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:20,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f744c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20, skipping insertion in model container [2022-12-13 11:16:20,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:20,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:16:20,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:16:20,640 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-12-13 11:16:20,710 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 11:16:20,717 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-12-13 11:16:20,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:16:20,730 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 11:16:20,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:16:20,751 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-12-13 11:16:20,783 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 11:16:20,788 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-12-13 11:16:20,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:16:20,793 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:16:20,810 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-12-13 11:16:20,839 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 11:16:20,845 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_1347ee1b-4d5b-43f7-855b-372b479d047e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-12-13 11:16:20,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:16:20,877 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:16:20,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20 WrapperNode [2022-12-13 11:16:20,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:16:20,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:16:20,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:16:20,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:16:20,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:20,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:20,941 INFO L138 Inliner]: procedures = 180, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1030 [2022-12-13 11:16:20,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:16:20,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:16:20,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:16:20,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:16:20,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:20,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:20,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:20,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:21,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:21,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:21,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:21,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:21,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:16:21,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:16:21,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:16:21,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:16:21,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (1/1) ... [2022-12-13 11:16:21,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:16:21,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:16:21,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:16:21,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:16:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 11:16:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 11:16:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 11:16:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 11:16:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 11:16:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 11:16:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 11:16:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:16:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:16:21,258 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:16:21,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:16:26,916 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:16:26,923 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:16:26,923 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-13 11:16:26,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:16:26 BoogieIcfgContainer [2022-12-13 11:16:26,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:16:26,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:16:26,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:16:26,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:16:26,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:16:20" (1/3) ... [2022-12-13 11:16:26,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f77eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:16:26, skipping insertion in model container [2022-12-13 11:16:26,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:20" (2/3) ... [2022-12-13 11:16:26,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f77eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:16:26, skipping insertion in model container [2022-12-13 11:16:26,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:16:26" (3/3) ... [2022-12-13 11:16:26,933 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-1.i [2022-12-13 11:16:26,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:16:26,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 11:16:26,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:16:26,997 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;@3256b57f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:16:26,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 11:16:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 193 states have (on average 1.7046632124352332) internal successors, (329), 206 states have internal predecessors, (329), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:27,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 11:16:27,006 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:27,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:27,007 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:27,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:27,010 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2022-12-13 11:16:27,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:27,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107393486] [2022-12-13 11:16:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:27,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:27,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:27,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:27,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 11:16:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:27,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 11:16:27,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:27,193 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 11:16:27,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:27,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:27,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107393486] [2022-12-13 11:16:27,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107393486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:27,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:27,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:16:27,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618949801] [2022-12-13 11:16:27,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:27,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:16:27,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:27,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:16:27,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:16:27,222 INFO L87 Difference]: Start difference. First operand has 212 states, 193 states have (on average 1.7046632124352332) internal successors, (329), 206 states have internal predecessors, (329), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:16:27,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:27,254 INFO L93 Difference]: Finished difference Result 419 states and 693 transitions. [2022-12-13 11:16:27,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:16:27,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-13 11:16:27,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:27,262 INFO L225 Difference]: With dead ends: 419 [2022-12-13 11:16:27,263 INFO L226 Difference]: Without dead ends: 205 [2022-12-13 11:16:27,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:16:27,267 INFO L413 NwaCegarLoop]: 273 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, 273 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 11:16:27,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:16:27,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-12-13 11:16:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-12-13 11:16:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 190 states have (on average 1.331578947368421) internal successors, (253), 199 states have internal predecessors, (253), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 269 transitions. [2022-12-13 11:16:27,302 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 269 transitions. Word has length 7 [2022-12-13 11:16:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:27,302 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 269 transitions. [2022-12-13 11:16:27,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:16:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 269 transitions. [2022-12-13 11:16:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 11:16:27,303 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:27,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:27,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:16:27,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:27,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:27,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:27,507 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2022-12-13 11:16:27,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:27,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685489420] [2022-12-13 11:16:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:27,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:27,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:27,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 11:16:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:27,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 11:16:27,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:27,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 36 [2022-12-13 11:16:27,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-13 11:16:28,038 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-12-13 11:16:28,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-12-13 11:16:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 11:16:28,132 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 11:16:28,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 32 [2022-12-13 11:16:28,181 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 11:16:28,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:28,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:28,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685489420] [2022-12-13 11:16:28,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685489420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:28,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:28,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:16:28,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997097170] [2022-12-13 11:16:28,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:28,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:16:28,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:28,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:16:28,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:16:28,183 INFO L87 Difference]: Start difference. First operand 205 states and 269 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 11:16:32,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:16:34,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:16:38,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:38,496 INFO L93 Difference]: Finished difference Result 342 states and 456 transitions. [2022-12-13 11:16:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:16:38,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 11:16:38,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:38,499 INFO L225 Difference]: With dead ends: 342 [2022-12-13 11:16:38,499 INFO L226 Difference]: Without dead ends: 340 [2022-12-13 11:16:38,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:16:38,500 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 207 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:38,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 1005 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 408 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-12-13 11:16:38,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2022-12-13 11:16:38,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 211. [2022-12-13 11:16:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 205 states have internal predecessors, (260), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:38,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 276 transitions. [2022-12-13 11:16:38,511 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 276 transitions. Word has length 7 [2022-12-13 11:16:38,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:38,512 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 276 transitions. [2022-12-13 11:16:38,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 11:16:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 276 transitions. [2022-12-13 11:16:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 11:16:38,512 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:38,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:38,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 11:16:38,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:38,714 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:38,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:38,716 INFO L85 PathProgramCache]: Analyzing trace with hash 186301925, now seen corresponding path program 1 times [2022-12-13 11:16:38,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:38,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508509521] [2022-12-13 11:16:38,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:38,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:38,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:38,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:38,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 11:16:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:38,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 11:16:38,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:38,890 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 11:16:38,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:38,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:38,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508509521] [2022-12-13 11:16:38,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508509521] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:38,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:38,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:16:38,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750584528] [2022-12-13 11:16:38,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:38,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:16:38,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:38,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:16:38,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:16:38,893 INFO L87 Difference]: Start difference. First operand 211 states and 276 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11:16:41,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:16:42,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:42,515 INFO L93 Difference]: Finished difference Result 519 states and 683 transitions. [2022-12-13 11:16:42,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:16:42,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2022-12-13 11:16:42,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:42,520 INFO L225 Difference]: With dead ends: 519 [2022-12-13 11:16:42,521 INFO L226 Difference]: Without dead ends: 314 [2022-12-13 11:16:42,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 11:16:42,523 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 143 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:42,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 721 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 11:16:42,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-12-13 11:16:42,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 312. [2022-12-13 11:16:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 297 states have (on average 1.3265993265993266) internal successors, (394), 306 states have internal predecessors, (394), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 410 transitions. [2022-12-13 11:16:42,544 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 410 transitions. Word has length 11 [2022-12-13 11:16:42,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:42,544 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 410 transitions. [2022-12-13 11:16:42,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11:16:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 410 transitions. [2022-12-13 11:16:42,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 11:16:42,545 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:42,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:42,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-12-13 11:16:42,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:42,747 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:42,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:42,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1560991902, now seen corresponding path program 1 times [2022-12-13 11:16:42,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:42,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935211510] [2022-12-13 11:16:42,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:42,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:42,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:42,754 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:42,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 11:16:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:42,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:16:42,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:42,916 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 11:16:42,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:42,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:42,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935211510] [2022-12-13 11:16:42,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935211510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:42,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:42,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:16:42,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372389199] [2022-12-13 11:16:42,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:42,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:16:42,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:42,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:16:42,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:16:42,918 INFO L87 Difference]: Start difference. First operand 312 states and 410 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 11:16:43,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:43,019 INFO L93 Difference]: Finished difference Result 517 states and 690 transitions. [2022-12-13 11:16:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:16:43,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 51 [2022-12-13 11:16:43,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:43,021 INFO L225 Difference]: With dead ends: 517 [2022-12-13 11:16:43,021 INFO L226 Difference]: Without dead ends: 348 [2022-12-13 11:16:43,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 11:16:43,022 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 127 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:43,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 649 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:16:43,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-12-13 11:16:43,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 318. [2022-12-13 11:16:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 303 states have (on average 1.2673267326732673) internal successors, (384), 312 states have internal predecessors, (384), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 400 transitions. [2022-12-13 11:16:43,033 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 400 transitions. Word has length 51 [2022-12-13 11:16:43,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:43,033 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 400 transitions. [2022-12-13 11:16:43,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 11:16:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 400 transitions. [2022-12-13 11:16:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 11:16:43,034 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:43,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:43,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 11:16:43,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:43,236 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:43,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:43,238 INFO L85 PathProgramCache]: Analyzing trace with hash -497126544, now seen corresponding path program 1 times [2022-12-13 11:16:43,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:43,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645286874] [2022-12-13 11:16:43,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:43,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:43,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:43,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:43,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 11:16:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:43,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 11:16:43,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:43,522 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 11:16:43,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:43,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:43,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645286874] [2022-12-13 11:16:43,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645286874] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:43,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:43,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:16:43,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564767631] [2022-12-13 11:16:43,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:43,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:16:43,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:43,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:16:43,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:16:43,525 INFO L87 Difference]: Start difference. First operand 318 states and 400 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 11:16:43,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:43,621 INFO L93 Difference]: Finished difference Result 509 states and 644 transitions. [2022-12-13 11:16:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:16:43,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 51 [2022-12-13 11:16:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:43,624 INFO L225 Difference]: With dead ends: 509 [2022-12-13 11:16:43,624 INFO L226 Difference]: Without dead ends: 334 [2022-12-13 11:16:43,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:16:43,625 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 92 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:43,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 881 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:16:43,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-12-13 11:16:43,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 306. [2022-12-13 11:16:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 291 states have (on average 1.2508591065292096) internal successors, (364), 300 states have internal predecessors, (364), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 380 transitions. [2022-12-13 11:16:43,638 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 380 transitions. Word has length 51 [2022-12-13 11:16:43,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:43,638 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 380 transitions. [2022-12-13 11:16:43,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 11:16:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 380 transitions. [2022-12-13 11:16:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 11:16:43,640 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:43,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:43,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 11:16:43,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:43,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:43,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:43,842 INFO L85 PathProgramCache]: Analyzing trace with hash 769115372, now seen corresponding path program 1 times [2022-12-13 11:16:43,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:43,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078284401] [2022-12-13 11:16:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:43,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:43,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:43,846 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:43,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 11:16:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:44,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:16:44,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:44,034 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 11:16:44,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:44,034 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:44,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078284401] [2022-12-13 11:16:44,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078284401] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:44,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:44,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:16:44,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612277924] [2022-12-13 11:16:44,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:44,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:16:44,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:44,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:16:44,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:16:44,036 INFO L87 Difference]: Start difference. First operand 306 states and 380 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 11:16:44,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:44,088 INFO L93 Difference]: Finished difference Result 456 states and 557 transitions. [2022-12-13 11:16:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:16:44,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-12-13 11:16:44,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:44,090 INFO L225 Difference]: With dead ends: 456 [2022-12-13 11:16:44,090 INFO L226 Difference]: Without dead ends: 249 [2022-12-13 11:16:44,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 11:16:44,091 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 8 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:44,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 486 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:16:44,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-12-13 11:16:44,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-12-13 11:16:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 234 states have (on average 1.2521367521367521) internal successors, (293), 243 states have internal predecessors, (293), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 309 transitions. [2022-12-13 11:16:44,097 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 309 transitions. Word has length 51 [2022-12-13 11:16:44,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:44,098 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 309 transitions. [2022-12-13 11:16:44,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 11:16:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 309 transitions. [2022-12-13 11:16:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-13 11:16:44,099 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:44,100 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:44,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 11:16:44,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:44,301 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:44,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:44,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1087747834, now seen corresponding path program 1 times [2022-12-13 11:16:44,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:44,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746999548] [2022-12-13 11:16:44,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:44,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:44,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:44,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:44,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 11:16:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:44,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:16:44,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:16:44,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:44,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:44,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746999548] [2022-12-13 11:16:44,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746999548] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:44,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:44,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:16:44,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907337346] [2022-12-13 11:16:44,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:44,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:16:44,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:44,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:16:44,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:16:44,881 INFO L87 Difference]: Start difference. First operand 249 states and 309 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 11:16:44,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:44,984 INFO L93 Difference]: Finished difference Result 495 states and 621 transitions. [2022-12-13 11:16:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:16:44,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 73 [2022-12-13 11:16:44,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:44,987 INFO L225 Difference]: With dead ends: 495 [2022-12-13 11:16:44,987 INFO L226 Difference]: Without dead ends: 257 [2022-12-13 11:16:44,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 11:16:44,988 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 226 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:44,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 470 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:16:44,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-12-13 11:16:44,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2022-12-13 11:16:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 240 states have (on average 1.1791666666666667) internal successors, (283), 249 states have internal predecessors, (283), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 299 transitions. [2022-12-13 11:16:45,001 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 299 transitions. Word has length 73 [2022-12-13 11:16:45,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:45,001 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 299 transitions. [2022-12-13 11:16:45,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 11:16:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 299 transitions. [2022-12-13 11:16:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-13 11:16:45,003 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:45,003 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:45,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 11:16:45,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:45,205 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:45,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:45,207 INFO L85 PathProgramCache]: Analyzing trace with hash 217788328, now seen corresponding path program 1 times [2022-12-13 11:16:45,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:45,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83478695] [2022-12-13 11:16:45,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:45,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:45,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:45,214 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:45,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 11:16:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:45,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:16:45,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:16:45,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:45,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:45,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83478695] [2022-12-13 11:16:45,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83478695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:45,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:45,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:16:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856357215] [2022-12-13 11:16:45,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:45,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:16:45,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:45,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:16:45,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:16:45,893 INFO L87 Difference]: Start difference. First operand 255 states and 299 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 11:16:45,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:45,954 INFO L93 Difference]: Finished difference Result 464 states and 548 transitions. [2022-12-13 11:16:45,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:16:45,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 73 [2022-12-13 11:16:45,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:45,955 INFO L225 Difference]: With dead ends: 464 [2022-12-13 11:16:45,955 INFO L226 Difference]: Without dead ends: 243 [2022-12-13 11:16:45,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:16:45,957 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 198 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:45,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 471 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:16:45,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-12-13 11:16:45,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2022-12-13 11:16:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 228 states have (on average 1.1535087719298245) internal successors, (263), 237 states have internal predecessors, (263), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 11:16:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 279 transitions. [2022-12-13 11:16:45,967 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 279 transitions. Word has length 73 [2022-12-13 11:16:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:45,967 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 279 transitions. [2022-12-13 11:16:45,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 11:16:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 279 transitions. [2022-12-13 11:16:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-13 11:16:45,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:45,969 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:45,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 11:16:46,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:46,170 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:46,171 INFO L85 PathProgramCache]: Analyzing trace with hash -904130322, now seen corresponding path program 1 times [2022-12-13 11:16:46,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:46,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1023678759] [2022-12-13 11:16:46,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:46,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:46,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:46,177 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:46,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-13 11:16:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:46,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:16:46,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:16:46,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:46,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:46,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1023678759] [2022-12-13 11:16:46,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1023678759] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:46,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:46,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:16:46,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870982307] [2022-12-13 11:16:46,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:46,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:16:46,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:46,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:16:46,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:16:46,804 INFO L87 Difference]: Start difference. First operand 243 states and 279 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:16:46,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:46,851 INFO L93 Difference]: Finished difference Result 448 states and 523 transitions. [2022-12-13 11:16:46,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:16:46,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2022-12-13 11:16:46,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:46,853 INFO L225 Difference]: With dead ends: 448 [2022-12-13 11:16:46,853 INFO L226 Difference]: Without dead ends: 246 [2022-12-13 11:16:46,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 11:16:46,854 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 2 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:46,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 692 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:16:46,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-12-13 11:16:46,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2022-12-13 11:16:46,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 230 states have (on average 1.1565217391304348) internal successors, (266), 240 states have internal predecessors, (266), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-13 11:16:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 283 transitions. [2022-12-13 11:16:46,863 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 283 transitions. Word has length 73 [2022-12-13 11:16:46,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:46,863 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 283 transitions. [2022-12-13 11:16:46,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:16:46,863 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 283 transitions. [2022-12-13 11:16:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-13 11:16:46,864 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:46,864 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] [2022-12-13 11:16:46,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-13 11:16:47,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:47,066 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:47,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:47,067 INFO L85 PathProgramCache]: Analyzing trace with hash -530228724, now seen corresponding path program 1 times [2022-12-13 11:16:47,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:47,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853598717] [2022-12-13 11:16:47,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:47,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:47,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:47,072 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:47,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-13 11:16:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:47,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:16:47,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:16:47,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:16:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 11:16:47,748 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:47,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853598717] [2022-12-13 11:16:47,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853598717] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:16:47,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:16:47,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 11:16:47,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156569500] [2022-12-13 11:16:47,748 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:16:47,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 11:16:47,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:47,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 11:16:47,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:16:47,749 INFO L87 Difference]: Start difference. First operand 246 states and 283 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:16:47,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:47,946 INFO L93 Difference]: Finished difference Result 462 states and 544 transitions. [2022-12-13 11:16:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 11:16:47,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 75 [2022-12-13 11:16:47,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:47,948 INFO L225 Difference]: With dead ends: 462 [2022-12-13 11:16:47,949 INFO L226 Difference]: Without dead ends: 257 [2022-12-13 11:16:47,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-12-13 11:16:47,950 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 8 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:47,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1377 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:16:47,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-12-13 11:16:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2022-12-13 11:16:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 238 states have (on average 1.1764705882352942) internal successors, (280), 248 states have internal predecessors, (280), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-13 11:16:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 297 transitions. [2022-12-13 11:16:47,959 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 297 transitions. Word has length 75 [2022-12-13 11:16:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:47,960 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 297 transitions. [2022-12-13 11:16:47,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:16:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 297 transitions. [2022-12-13 11:16:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 11:16:47,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:47,960 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-13 11:16:47,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-12-13 11:16:48,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:48,162 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:48,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:48,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1987160466, now seen corresponding path program 2 times [2022-12-13 11:16:48,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:48,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903773456] [2022-12-13 11:16:48,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 11:16:48,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:48,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:48,163 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:48,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-13 11:16:50,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 11:16:50,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:16:50,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:16:50,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:16:50,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:16:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:16:50,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:50,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903773456] [2022-12-13 11:16:50,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903773456] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:16:50,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:16:50,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-12-13 11:16:50,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570876962] [2022-12-13 11:16:50,817 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:16:50,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 11:16:50,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:50,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 11:16:50,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-12-13 11:16:50,819 INFO L87 Difference]: Start difference. First operand 255 states and 297 transitions. Second operand has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:16:51,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:51,499 INFO L93 Difference]: Finished difference Result 490 states and 586 transitions. [2022-12-13 11:16:51,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 11:16:51,500 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 79 [2022-12-13 11:16:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:51,501 INFO L225 Difference]: With dead ends: 490 [2022-12-13 11:16:51,502 INFO L226 Difference]: Without dead ends: 272 [2022-12-13 11:16:51,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=257, Invalid=499, Unknown=0, NotChecked=0, Total=756 [2022-12-13 11:16:51,503 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 17 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1858 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:51,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1858 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 11:16:51,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-12-13 11:16:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 264. [2022-12-13 11:16:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 247 states have (on average 1.1821862348178138) internal successors, (292), 257 states have internal predecessors, (292), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-13 11:16:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 309 transitions. [2022-12-13 11:16:51,514 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 309 transitions. Word has length 79 [2022-12-13 11:16:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:51,515 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 309 transitions. [2022-12-13 11:16:51,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:16:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 309 transitions. [2022-12-13 11:16:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-13 11:16:51,516 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:51,516 INFO L195 NwaCegarLoop]: trace histogram [15, 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] [2022-12-13 11:16:51,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-13 11:16:51,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:51,717 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:51,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:51,717 INFO L85 PathProgramCache]: Analyzing trace with hash -2048285914, now seen corresponding path program 3 times [2022-12-13 11:16:51,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:51,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368124153] [2022-12-13 11:16:51,718 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 11:16:51,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:51,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:51,719 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:51,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-13 11:16:54,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-13 11:16:54,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:16:54,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 11:16:54,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 68 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-13 11:16:54,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:16:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 68 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-13 11:16:55,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:55,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368124153] [2022-12-13 11:16:55,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368124153] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:16:55,177 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:16:55,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-12-13 11:16:55,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832089026] [2022-12-13 11:16:55,177 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:16:55,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 11:16:55,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:55,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 11:16:55,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-12-13 11:16:55,178 INFO L87 Difference]: Start difference. First operand 264 states and 309 transitions. Second operand has 16 states, 16 states have (on average 5.1875) internal successors, (83), 16 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 11:16:56,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:56,280 INFO L93 Difference]: Finished difference Result 506 states and 605 transitions. [2022-12-13 11:16:56,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 11:16:56,281 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.1875) internal successors, (83), 16 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 88 [2022-12-13 11:16:56,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:56,282 INFO L225 Difference]: With dead ends: 506 [2022-12-13 11:16:56,282 INFO L226 Difference]: Without dead ends: 281 [2022-12-13 11:16:56,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=288, Invalid=524, Unknown=0, NotChecked=0, Total=812 [2022-12-13 11:16:56,283 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 29 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:56,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2081 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 11:16:56,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-12-13 11:16:56,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 271. [2022-12-13 11:16:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 254 states have (on average 1.2007874015748032) internal successors, (305), 264 states have internal predecessors, (305), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-13 11:16:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 322 transitions. [2022-12-13 11:16:56,295 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 322 transitions. Word has length 88 [2022-12-13 11:16:56,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:56,296 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 322 transitions. [2022-12-13 11:16:56,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.1875) internal successors, (83), 16 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 11:16:56,296 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 322 transitions. [2022-12-13 11:16:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-13 11:16:56,297 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:56,297 INFO L195 NwaCegarLoop]: trace histogram [22, 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] [2022-12-13 11:16:56,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-12-13 11:16:56,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:56,498 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:16:56,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:56,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1671777070, now seen corresponding path program 4 times [2022-12-13 11:16:56,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:16:56,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257280778] [2022-12-13 11:16:56,501 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 11:16:56,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:16:56,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:16:56,505 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:16:56,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-13 11:16:57,128 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 11:16:57,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:16:57,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 11:16:57,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 146 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-13 11:16:57,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:16:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-13 11:16:57,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:16:57,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257280778] [2022-12-13 11:16:57,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257280778] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:16:57,954 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:16:57,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2022-12-13 11:16:57,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308414247] [2022-12-13 11:16:57,955 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:16:57,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 11:16:57,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:16:57,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 11:16:57,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2022-12-13 11:16:57,956 INFO L87 Difference]: Start difference. First operand 271 states and 322 transitions. Second operand has 26 states, 26 states have (on average 3.730769230769231) internal successors, (97), 26 states have internal predecessors, (97), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:17:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:17:00,559 INFO L93 Difference]: Finished difference Result 537 states and 651 transitions. [2022-12-13 11:17:00,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-12-13 11:17:00,560 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.730769230769231) internal successors, (97), 26 states have internal predecessors, (97), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 95 [2022-12-13 11:17:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:17:00,561 INFO L225 Difference]: With dead ends: 537 [2022-12-13 11:17:00,561 INFO L226 Difference]: Without dead ends: 303 [2022-12-13 11:17:00,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=998, Invalid=2194, Unknown=0, NotChecked=0, Total=3192 [2022-12-13 11:17:00,562 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 34 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 3091 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:17:00,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 3091 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 11:17:00,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-12-13 11:17:00,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 283. [2022-12-13 11:17:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 266 states have (on average 1.1917293233082706) internal successors, (317), 276 states have internal predecessors, (317), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-13 11:17:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 334 transitions. [2022-12-13 11:17:00,571 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 334 transitions. Word has length 95 [2022-12-13 11:17:00,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:17:00,571 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 334 transitions. [2022-12-13 11:17:00,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.730769230769231) internal successors, (97), 26 states have internal predecessors, (97), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:17:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 334 transitions. [2022-12-13 11:17:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-13 11:17:00,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:17:00,572 INFO L195 NwaCegarLoop]: trace histogram [34, 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] [2022-12-13 11:17:00,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-12-13 11:17:00,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:17:00,773 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:17:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash 393637550, now seen corresponding path program 5 times [2022-12-13 11:17:00,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:17:00,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548763141] [2022-12-13 11:17:00,774 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 11:17:00,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:17:00,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:17:00,775 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:17:00,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-13 11:17:03,186 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2022-12-13 11:17:03,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:17:03,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 11:17:03,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:17:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 302 proven. 253 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-13 11:17:03,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:17:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 554 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-13 11:17:05,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:17:05,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548763141] [2022-12-13 11:17:05,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548763141] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:17:05,922 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:17:05,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2022-12-13 11:17:05,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3885963] [2022-12-13 11:17:05,923 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:17:05,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-12-13 11:17:05,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:17:05,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-12-13 11:17:05,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2022-12-13 11:17:05,925 INFO L87 Difference]: Start difference. First operand 283 states and 334 transitions. Second operand has 50 states, 50 states have (on average 2.42) internal successors, (121), 50 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:17:16,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:17:16,282 INFO L93 Difference]: Finished difference Result 604 states and 750 transitions. [2022-12-13 11:17:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-12-13 11:17:16,282 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.42) internal successors, (121), 50 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 107 [2022-12-13 11:17:16,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:17:16,284 INFO L225 Difference]: With dead ends: 604 [2022-12-13 11:17:16,284 INFO L226 Difference]: Without dead ends: 358 [2022-12-13 11:17:16,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=3791, Invalid=9319, Unknown=0, NotChecked=0, Total=13110 [2022-12-13 11:17:16,286 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 69 mSDsluCounter, 5755 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 6008 SdHoareTripleChecker+Invalid, 2462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:17:16,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 6008 Invalid, 2462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 11:17:16,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-12-13 11:17:16,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 316. [2022-12-13 11:17:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 299 states have (on average 1.2073578595317727) internal successors, (361), 309 states have internal predecessors, (361), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-13 11:17:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 378 transitions. [2022-12-13 11:17:16,299 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 378 transitions. Word has length 107 [2022-12-13 11:17:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:17:16,299 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 378 transitions. [2022-12-13 11:17:16,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.42) internal successors, (121), 50 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:17:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 378 transitions. [2022-12-13 11:17:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 11:17:16,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:17:16,300 INFO L195 NwaCegarLoop]: trace histogram [67, 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] [2022-12-13 11:17:16,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-12-13 11:17:16,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:17:16,501 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:17:16,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:16,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1762520294, now seen corresponding path program 6 times [2022-12-13 11:17:16,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:17:16,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902690094] [2022-12-13 11:17:16,505 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 11:17:16,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:17:16,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:17:16,508 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:17:16,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-13 11:17:35,811 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2022-12-13 11:17:35,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:17:35,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-13 11:17:35,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:17:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1082 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 11:17:36,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:17:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1082 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 11:17:39,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:17:39,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902690094] [2022-12-13 11:17:39,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902690094] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:17:39,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:17:39,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2022-12-13 11:17:39,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940092305] [2022-12-13 11:17:39,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:17:39,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-12-13 11:17:39,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:17:39,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-12-13 11:17:39,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2022-12-13 11:17:39,371 INFO L87 Difference]: Start difference. First operand 316 states and 378 transitions. Second operand has 52 states, 52 states have (on average 2.2884615384615383) internal successors, (119), 52 states have internal predecessors, (119), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 11:17:54,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:17:54,430 INFO L93 Difference]: Finished difference Result 662 states and 813 transitions. [2022-12-13 11:17:54,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-12-13 11:17:54,431 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 2.2884615384615383) internal successors, (119), 52 states have internal predecessors, (119), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 140 [2022-12-13 11:17:54,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:17:54,432 INFO L225 Difference]: With dead ends: 662 [2022-12-13 11:17:54,432 INFO L226 Difference]: Without dead ends: 385 [2022-12-13 11:17:54,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1773 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=3276, Invalid=6824, Unknown=0, NotChecked=0, Total=10100 [2022-12-13 11:17:54,434 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 100 mSDsluCounter, 6204 mSDsCounter, 0 mSdLazyCounter, 1921 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 6456 SdHoareTripleChecker+Invalid, 1971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:17:54,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 6456 Invalid, 1971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1921 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 11:17:54,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-12-13 11:17:54,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 341. [2022-12-13 11:17:54,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 324 states have (on average 1.2654320987654322) internal successors, (410), 334 states have internal predecessors, (410), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-13 11:17:54,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 427 transitions. [2022-12-13 11:17:54,447 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 427 transitions. Word has length 140 [2022-12-13 11:17:54,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:17:54,447 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 427 transitions. [2022-12-13 11:17:54,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.2884615384615383) internal successors, (119), 52 states have internal predecessors, (119), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 11:17:54,448 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 427 transitions. [2022-12-13 11:17:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 11:17:54,449 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:17:54,449 INFO L195 NwaCegarLoop]: trace histogram [92, 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] [2022-12-13 11:17:54,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-13 11:17:54,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:17:54,650 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:17:54,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:54,651 INFO L85 PathProgramCache]: Analyzing trace with hash 869527662, now seen corresponding path program 7 times [2022-12-13 11:17:54,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:17:54,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608324973] [2022-12-13 11:17:54,654 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 11:17:54,655 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:17:54,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:17:54,657 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:17:54,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-12-13 11:17:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:56,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1726 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-13 11:17:56,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:17:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2207 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 11:17:58,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:18:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2207 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 11:18:06,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:18:06,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608324973] [2022-12-13 11:18:06,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608324973] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:18:06,280 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:18:06,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2022-12-13 11:18:06,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880421892] [2022-12-13 11:18:06,281 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:18:06,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2022-12-13 11:18:06,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:18:06,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2022-12-13 11:18:06,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2022-12-13 11:18:06,285 INFO L87 Difference]: Start difference. First operand 341 states and 427 transitions. Second operand has 102 states, 102 states have (on average 1.6568627450980393) internal successors, (169), 102 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 11:19:06,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:19:06,056 INFO L93 Difference]: Finished difference Result 797 states and 1026 transitions. [2022-12-13 11:19:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-12-13 11:19:06,057 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 102 states have (on average 1.6568627450980393) internal successors, (169), 102 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 165 [2022-12-13 11:19:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:19:06,059 INFO L225 Difference]: With dead ends: 797 [2022-12-13 11:19:06,059 INFO L226 Difference]: Without dead ends: 497 [2022-12-13 11:19:06,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7008 ImplicationChecksByTransitivity, 57.2s TimeCoverageRelationStatistics Valid=12595, Invalid=26807, Unknown=0, NotChecked=0, Total=39402 [2022-12-13 11:19:06,065 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 160 mSDsluCounter, 13431 mSDsCounter, 0 mSdLazyCounter, 7648 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 13708 SdHoareTripleChecker+Invalid, 7699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 7648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:19:06,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 13708 Invalid, 7699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 7648 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-12-13 11:19:06,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-12-13 11:19:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 395. [2022-12-13 11:19:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 378 states have (on average 1.3677248677248677) internal successors, (517), 388 states have internal predecessors, (517), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-13 11:19:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 534 transitions. [2022-12-13 11:19:06,091 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 534 transitions. Word has length 165 [2022-12-13 11:19:06,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:19:06,091 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 534 transitions. [2022-12-13 11:19:06,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 1.6568627450980393) internal successors, (169), 102 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 11:19:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 534 transitions. [2022-12-13 11:19:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-12-13 11:19:06,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:19:06,092 INFO L195 NwaCegarLoop]: trace histogram [142, 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] [2022-12-13 11:19:06,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-12-13 11:19:06,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:19:06,294 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 11:19:06,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:19:06,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1271039854, now seen corresponding path program 8 times [2022-12-13 11:19:06,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:19:06,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115990911] [2022-12-13 11:19:06,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 11:19:06,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:19:06,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:19:06,302 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:19:06,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347ee1b-4d5b-43f7-855b-372b479d047e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-13 11:19:09,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 11:19:09,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:19:09,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 2276 conjuncts, 101 conjunts are in the unsatisfiable core [2022-12-13 11:19:09,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:19:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10299 backedges. 4457 proven. 4851 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 11:19:14,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:19:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 10299 backedges. 4457 proven. 4851 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 11:19:48,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:19:48,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115990911] [2022-12-13 11:19:48,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115990911] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:19:48,657 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:19:48,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 102] total 202 [2022-12-13 11:19:48,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773587254] [2022-12-13 11:19:48,657 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:19:48,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2022-12-13 11:19:48,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:19:48,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2022-12-13 11:19:48,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10401, Invalid=30201, Unknown=0, NotChecked=0, Total=40602 [2022-12-13 11:19:48,665 INFO L87 Difference]: Start difference. First operand 395 states and 534 transitions. Second operand has 202 states, 202 states have (on average 1.3316831683168318) internal successors, (269), 202 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)