./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0513_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/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_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0513_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/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_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/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 2cd9310cc22b48510db29915dc2047c5968d5424a204e513aea9283dac5ac7bf --- 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 12:47:42,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:47:42,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:47:42,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:47:42,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:47:42,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:47:42,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:47:42,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:47:42,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:47:42,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:47:42,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:47:42,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:47:42,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:47:42,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:47:42,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:47:42,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:47:42,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:47:42,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:47:42,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:47:42,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:47:42,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:47:42,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:47:42,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:47:42,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:47:42,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:47:42,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:47:42,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:47:42,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:47:42,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:47:42,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:47:42,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:47:42,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:47:42,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:47:42,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:47:42,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:47:42,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:47:42,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:47:42,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:47:42,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:47:42,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:47:42,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:47:42,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 12:47:42,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:47:42,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:47:42,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:47:42,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:47:42,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:47:42,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:47:42,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:47:42,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:47:42,337 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:47:42,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:47:42,337 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:47:42,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:47:42,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:47:42,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:47:42,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:47:42,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:47:42,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:47:42,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:47:42,346 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:47:42,347 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:47:42,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:47:42,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:47:42,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:47:42,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:47:42,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:47:42,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:47:42,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:47:42,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:47:42,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:47:42,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:47:42,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:47:42,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:47:42,348 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:47:42,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:47:42,349 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:47:42,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:47:42,349 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:47:42,349 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_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cd9310cc22b48510db29915dc2047c5968d5424a204e513aea9283dac5ac7bf [2022-12-13 12:47:42,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:47:42,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:47:42,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:47:42,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:47:42,555 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:47:42,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/list-ext-properties/test-0513_1.i [2022-12-13 12:47:45,190 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:47:45,369 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:47:45,369 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/sv-benchmarks/c/list-ext-properties/test-0513_1.i [2022-12-13 12:47:45,377 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/data/bcb8ad235/9e608f5a73d747a99a1cf008b61a9e57/FLAG3a420da40 [2022-12-13 12:47:45,389 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/data/bcb8ad235/9e608f5a73d747a99a1cf008b61a9e57 [2022-12-13 12:47:45,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:47:45,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:47:45,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:47:45,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:47:45,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:47:45,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b57e31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45, skipping insertion in model container [2022-12-13 12:47:45,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:47:45,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:47:45,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:47:45,619 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:47:45,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:47:45,703 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:47:45,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45 WrapperNode [2022-12-13 12:47:45,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:47:45,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:47:45,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:47:45,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:47:45,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,741 INFO L138 Inliner]: procedures = 123, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 147 [2022-12-13 12:47:45,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:47:45,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:47:45,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:47:45,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:47:45,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:47:45,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:47:45,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:47:45,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:47:45,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (1/1) ... [2022-12-13 12:47:45,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:47:45,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:47:45,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:47:45,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:47:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:47:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:47:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:47:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:47:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:47:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:47:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:47:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:47:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:47:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:47:45,918 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:47:45,919 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:47:46,114 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:47:46,121 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:47:46,121 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 12:47:46,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:47:46 BoogieIcfgContainer [2022-12-13 12:47:46,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:47:46,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:47:46,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:47:46,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:47:46,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:47:45" (1/3) ... [2022-12-13 12:47:46,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717b817d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:47:46, skipping insertion in model container [2022-12-13 12:47:46,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:47:45" (2/3) ... [2022-12-13 12:47:46,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717b817d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:47:46, skipping insertion in model container [2022-12-13 12:47:46,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:47:46" (3/3) ... [2022-12-13 12:47:46,131 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0513_1.i [2022-12-13 12:47:46,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:47:46,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 12:47:46,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:47:46,185 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;@74953d0c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:47:46,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 12:47:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 45 states have internal predecessors, (65), 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 12:47:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 12:47:46,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:46,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:47:46,194 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 12:47:46,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:46,197 INFO L85 PathProgramCache]: Analyzing trace with hash 889569447, now seen corresponding path program 1 times [2022-12-13 12:47:46,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:46,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957424599] [2022-12-13 12:47:46,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:46,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:46,351 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 12:47:46,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:46,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957424599] [2022-12-13 12:47:46,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957424599] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:46,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:46,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:47:46,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722979079] [2022-12-13 12:47:46,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:46,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:47:46,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:46,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:47:46,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:47:46,387 INFO L87 Difference]: Start difference. First operand has 46 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 45 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:46,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:46,450 INFO L93 Difference]: Finished difference Result 112 states and 166 transitions. [2022-12-13 12:47:46,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:47:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 12:47:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:46,458 INFO L225 Difference]: With dead ends: 112 [2022-12-13 12:47:46,458 INFO L226 Difference]: Without dead ends: 34 [2022-12-13 12:47:46,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 12:47:46,462 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 30 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:46,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 147 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:46,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-13 12:47:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-12-13 12:47:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 33 states have internal predecessors, (40), 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 12:47:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-12-13 12:47:46,486 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 6 [2022-12-13 12:47:46,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:46,487 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-12-13 12:47:46,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-12-13 12:47:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 12:47:46,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:46,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:46,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:47:46,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:46,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash 669083281, now seen corresponding path program 1 times [2022-12-13 12:47:46,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:46,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320533974] [2022-12-13 12:47:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:46,598 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 12:47:46,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:46,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320533974] [2022-12-13 12:47:46,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320533974] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:46,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:46,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:47:46,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000691895] [2022-12-13 12:47:46,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:46,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:47:46,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:46,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:47:46,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:47:46,601 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12:47:46,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:46,691 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2022-12-13 12:47:46,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:47:46,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-12-13 12:47:46,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:46,692 INFO L225 Difference]: With dead ends: 58 [2022-12-13 12:47:46,693 INFO L226 Difference]: Without dead ends: 55 [2022-12-13 12:47:46,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:47:46,694 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 27 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:46,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 56 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:47:46,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-12-13 12:47:46,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2022-12-13 12:47:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 43 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2022-12-13 12:47:46,701 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 12 [2022-12-13 12:47:46,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:46,701 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2022-12-13 12:47:46,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12:47:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2022-12-13 12:47:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 12:47:46,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:46,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:46,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:47:46,703 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:46,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:46,703 INFO L85 PathProgramCache]: Analyzing trace with hash -733254697, now seen corresponding path program 1 times [2022-12-13 12:47:46,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:46,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96639417] [2022-12-13 12:47:46,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:46,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:46,757 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 12:47:46,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:46,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96639417] [2022-12-13 12:47:46,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96639417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:46,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:46,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:47:46,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48966958] [2022-12-13 12:47:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:46,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:47:46,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:46,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:47:46,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:47:46,761 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:46,802 INFO L93 Difference]: Finished difference Result 96 states and 123 transitions. [2022-12-13 12:47:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:47:46,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-13 12:47:46,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:46,804 INFO L225 Difference]: With dead ends: 96 [2022-12-13 12:47:46,804 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 12:47:46,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 12:47:46,806 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 20 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:46,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 44 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:46,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 12:47:46,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 52. [2022-12-13 12:47:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 51 states have internal predecessors, (59), 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 12:47:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2022-12-13 12:47:46,812 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 13 [2022-12-13 12:47:46,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:46,813 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2022-12-13 12:47:46,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:46,813 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-12-13 12:47:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 12:47:46,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:46,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:46,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:47:46,814 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:46,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash -733195115, now seen corresponding path program 1 times [2022-12-13 12:47:46,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:46,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893390400] [2022-12-13 12:47:46,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:46,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:46,896 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 12:47:46,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:46,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893390400] [2022-12-13 12:47:46,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893390400] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:46,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:46,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:47:46,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169120834] [2022-12-13 12:47:46,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:46,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:47:46,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:46,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:47:46,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:47:46,899 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:46,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:46,960 INFO L93 Difference]: Finished difference Result 97 states and 111 transitions. [2022-12-13 12:47:46,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:47:46,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-13 12:47:46,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:46,961 INFO L225 Difference]: With dead ends: 97 [2022-12-13 12:47:46,961 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 12:47:46,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:47:46,963 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 29 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:46,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 56 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:46,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 12:47:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 52. [2022-12-13 12:47:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 51 states have internal predecessors, (58), 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 12:47:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2022-12-13 12:47:46,967 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 13 [2022-12-13 12:47:46,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:46,967 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2022-12-13 12:47:46,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2022-12-13 12:47:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 12:47:46,968 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:46,968 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] [2022-12-13 12:47:46,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:47:46,968 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:46,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1153767066, now seen corresponding path program 1 times [2022-12-13 12:47:46,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:46,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135711922] [2022-12-13 12:47:46,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:47,036 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 12:47:47,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:47,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135711922] [2022-12-13 12:47:47,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135711922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:47,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:47,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:47:47,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481877892] [2022-12-13 12:47:47,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:47,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:47:47,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:47,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:47:47,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:47:47,038 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:47,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:47,075 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2022-12-13 12:47:47,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:47:47,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-13 12:47:47,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:47,076 INFO L225 Difference]: With dead ends: 52 [2022-12-13 12:47:47,076 INFO L226 Difference]: Without dead ends: 48 [2022-12-13 12:47:47,077 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 12:47:47,078 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 20 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:47,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 20 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:47,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-13 12:47:47,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2022-12-13 12:47:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 40 states have internal predecessors, (47), 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 12:47:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2022-12-13 12:47:47,082 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 25 [2022-12-13 12:47:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:47,082 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-12-13 12:47:47,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-12-13 12:47:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 12:47:47,082 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:47,083 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] [2022-12-13 12:47:47,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:47:47,083 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:47,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:47,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1407040626, now seen corresponding path program 1 times [2022-12-13 12:47:47,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:47,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482062493] [2022-12-13 12:47:47,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:47,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:47:47,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:47,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482062493] [2022-12-13 12:47:47,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482062493] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:47,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:47,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:47:47,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829700983] [2022-12-13 12:47:47,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:47,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:47:47,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:47,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:47:47,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:47:47,143 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 12:47:47,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:47,185 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2022-12-13 12:47:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:47:47,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2022-12-13 12:47:47,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:47,186 INFO L225 Difference]: With dead ends: 50 [2022-12-13 12:47:47,186 INFO L226 Difference]: Without dead ends: 49 [2022-12-13 12:47:47,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 12:47:47,187 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:47,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 45 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:47,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-13 12:47:47,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-13 12:47:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 48 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 12:47:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2022-12-13 12:47:47,193 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 26 [2022-12-13 12:47:47,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:47,193 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-12-13 12:47:47,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 12:47:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-12-13 12:47:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 12:47:47,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:47,194 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:47,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:47:47,194 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 12:47:47,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:47,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2005227786, now seen corresponding path program 1 times [2022-12-13 12:47:47,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:47,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515318625] [2022-12-13 12:47:47,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:47,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 12:47:47,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:47,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515318625] [2022-12-13 12:47:47,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515318625] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:47,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:47,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:47:47,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946517671] [2022-12-13 12:47:47,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:47,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:47:47,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:47:47,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:47:47,247 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:47,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:47,278 INFO L93 Difference]: Finished difference Result 101 states and 122 transitions. [2022-12-13 12:47:47,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:47:47,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-12-13 12:47:47,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:47,279 INFO L225 Difference]: With dead ends: 101 [2022-12-13 12:47:47,280 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 12:47:47,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 12:47:47,281 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 16 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:47,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 31 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:47,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 12:47:47,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2022-12-13 12:47:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 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 12:47:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2022-12-13 12:47:47,286 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 32 [2022-12-13 12:47:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:47,287 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2022-12-13 12:47:47,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2022-12-13 12:47:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 12:47:47,288 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:47,288 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:47,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:47:47,288 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:47,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:47,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2032332458, now seen corresponding path program 1 times [2022-12-13 12:47:47,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:47,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377423815] [2022-12-13 12:47:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 12:47:47,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:47,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377423815] [2022-12-13 12:47:47,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377423815] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:47,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:47,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:47:47,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546322496] [2022-12-13 12:47:47,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:47,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:47:47,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:47,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:47:47,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:47:47,352 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 12:47:47,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:47,372 INFO L93 Difference]: Finished difference Result 62 states and 72 transitions. [2022-12-13 12:47:47,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:47:47,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 33 [2022-12-13 12:47:47,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:47,373 INFO L225 Difference]: With dead ends: 62 [2022-12-13 12:47:47,373 INFO L226 Difference]: Without dead ends: 60 [2022-12-13 12:47:47,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 12:47:47,374 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:47,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 29 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:47,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-13 12:47:47,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2022-12-13 12:47:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 46 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-12-13 12:47:47,379 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 33 [2022-12-13 12:47:47,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:47,380 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-12-13 12:47:47,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 12:47:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-12-13 12:47:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 12:47:47,381 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:47,381 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:47,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:47:47,381 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:47,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1831843089, now seen corresponding path program 1 times [2022-12-13 12:47:47,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:47,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727941550] [2022-12-13 12:47:47,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:47,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:47:47,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:47,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727941550] [2022-12-13 12:47:47,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727941550] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:47:47,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176887794] [2022-12-13 12:47:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:47,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:47:47,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:47:47,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:47:47,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:47:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:47,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:47:47,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:47:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 12:47:47,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:47:47,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176887794] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:47,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:47:47,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-13 12:47:47,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537968675] [2022-12-13 12:47:47,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:47,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:47:47,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:47,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:47:47,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:47:47,607 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:47,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:47,632 INFO L93 Difference]: Finished difference Result 98 states and 115 transitions. [2022-12-13 12:47:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:47:47,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-12-13 12:47:47,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:47,633 INFO L225 Difference]: With dead ends: 98 [2022-12-13 12:47:47,633 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 12:47:47,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:47:47,634 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:47,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 68 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:47,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 12:47:47,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2022-12-13 12:47:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 45 states have internal predecessors, (50), 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 12:47:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2022-12-13 12:47:47,639 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 39 [2022-12-13 12:47:47,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:47,639 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2022-12-13 12:47:47,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-12-13 12:47:47,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 12:47:47,640 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:47,640 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:47,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:47:47,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:47:47,841 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:47,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:47,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1352822027, now seen corresponding path program 1 times [2022-12-13 12:47:47,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:47,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526870494] [2022-12-13 12:47:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:47,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:47:47,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:47,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526870494] [2022-12-13 12:47:47,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526870494] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:47:47,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829217905] [2022-12-13 12:47:47,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:47,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:47:47,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:47:47,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:47:47,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:47:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:48,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:47:48,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:47:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:47:48,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:47:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:47:48,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829217905] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:47:48,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 12:47:48,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 11 [2022-12-13 12:47:48,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456835213] [2022-12-13 12:47:48,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 12:47:48,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 12:47:48,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:48,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 12:47:48,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 12:47:48,205 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 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 12:47:48,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:48,475 INFO L93 Difference]: Finished difference Result 192 states and 218 transitions. [2022-12-13 12:47:48,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 12:47:48,475 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 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 43 [2022-12-13 12:47:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:48,477 INFO L225 Difference]: With dead ends: 192 [2022-12-13 12:47:48,477 INFO L226 Difference]: Without dead ends: 156 [2022-12-13 12:47:48,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 79 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2022-12-13 12:47:48,479 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 84 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:48,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 72 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 12:47:48,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-13 12:47:48,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2022-12-13 12:47:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.1031746031746033) internal successors, (139), 126 states have internal predecessors, (139), 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 12:47:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 139 transitions. [2022-12-13 12:47:48,491 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 139 transitions. Word has length 43 [2022-12-13 12:47:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:48,491 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 139 transitions. [2022-12-13 12:47:48,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 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 12:47:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 139 transitions. [2022-12-13 12:47:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-13 12:47:48,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:48,494 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 12:47:48,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 12:47:48,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 12:47:48,695 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:48,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:48,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1278593746, now seen corresponding path program 1 times [2022-12-13 12:47:48,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:48,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705204872] [2022-12-13 12:47:48,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:48,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:48,947 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 12:47:48,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:48,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705204872] [2022-12-13 12:47:48,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705204872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:48,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:48,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:47:48,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016572608] [2022-12-13 12:47:48,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:48,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:47:48,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:48,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:47:48,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:47:48,949 INFO L87 Difference]: Start difference. First operand 127 states and 139 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 12:47:48,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:48,983 INFO L93 Difference]: Finished difference Result 154 states and 168 transitions. [2022-12-13 12:47:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:47:48,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 64 [2022-12-13 12:47:48,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:48,984 INFO L225 Difference]: With dead ends: 154 [2022-12-13 12:47:48,984 INFO L226 Difference]: Without dead ends: 153 [2022-12-13 12:47:48,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 12:47:48,985 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:48,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 34 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:48,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-12-13 12:47:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2022-12-13 12:47:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.0921052631578947) internal successors, (166), 152 states have internal predecessors, (166), 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 12:47:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 166 transitions. [2022-12-13 12:47:48,993 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 166 transitions. Word has length 64 [2022-12-13 12:47:48,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:48,993 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 166 transitions. [2022-12-13 12:47:48,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 12:47:48,993 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 166 transitions. [2022-12-13 12:47:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 12:47:48,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:47:48,995 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:48,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 12:47:48,995 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:47:48,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:47:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1931180265, now seen corresponding path program 1 times [2022-12-13 12:47:48,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:47:48,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800925564] [2022-12-13 12:47:48,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:47:48,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:47:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:47:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-13 12:47:49,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:47:49,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800925564] [2022-12-13 12:47:49,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800925564] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:47:49,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:47:49,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:47:49,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142672610] [2022-12-13 12:47:49,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:47:49,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:47:49,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:47:49,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:47:49,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:47:49,147 INFO L87 Difference]: Start difference. First operand 153 states and 166 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 12:47:49,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:49,172 INFO L93 Difference]: Finished difference Result 153 states and 166 transitions. [2022-12-13 12:47:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:47:49,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 81 [2022-12-13 12:47:49,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:49,173 INFO L225 Difference]: With dead ends: 153 [2022-12-13 12:47:49,173 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:47:49,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 12:47:49,174 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:49,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 26 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:47:49,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:47:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:47:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:47:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:47:49,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-12-13 12:47:49,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:47:49,175 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:47:49,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 12:47:49,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:47:49,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:47:49,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 12:47:49,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 12:47:49,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 12:47:49,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 12:47:49,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 12:47:49,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 12:47:49,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 12:47:49,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 12:47:49,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 12:47:49,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:47:49,240 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 546) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 532 600) the Hoare annotation is: true [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point L548-2(line 548) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point L548-3(line 548) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 538) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 541) no Hoare annotation was computed. [2022-12-13 12:47:49,241 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 541) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 538) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 586) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 556) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point L583-2(lines 580 586) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point L550-2(lines 550 556) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point L592-2(lines 592 598) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 544) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point L543-2(lines 537 560) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-12-13 12:47:49,242 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:47:49,243 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 537 560) no Hoare annotation was computed. [2022-12-13 12:47:49,243 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-12-13 12:47:49,243 INFO L899 garLoopResultBuilder]: For program point L537-1(line 537) no Hoare annotation was computed. [2022-12-13 12:47:49,243 INFO L902 garLoopResultBuilder]: At program point L570-2(lines 570 579) the Hoare annotation is: true [2022-12-13 12:47:49,243 INFO L899 garLoopResultBuilder]: For program point L570-3(lines 563 589) no Hoare annotation was computed. [2022-12-13 12:47:49,243 INFO L899 garLoopResultBuilder]: For program point L537-3(lines 537 560) no Hoare annotation was computed. [2022-12-13 12:47:49,243 INFO L895 garLoopResultBuilder]: At program point L537-5(lines 537 560) the Hoare annotation is: (<= 0 (+ 1073741824 |ULTIMATE.start_main_~c1~0#1|)) [2022-12-13 12:47:49,243 INFO L899 garLoopResultBuilder]: For program point L537-6(lines 532 600) no Hoare annotation was computed. [2022-12-13 12:47:49,243 INFO L899 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point L595-2(lines 595 597) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L902 garLoopResultBuilder]: At program point L595-4(lines 592 598) the Hoare annotation is: true [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point L546-1(line 546) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 546) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 577) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point L538(line 538) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point L538-1(line 538) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point L571-2(lines 571 577) no Hoare annotation was computed. [2022-12-13 12:47:49,244 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 563 589) no Hoare annotation was computed. [2022-12-13 12:47:49,245 INFO L902 garLoopResultBuilder]: At program point L563-3(lines 563 589) the Hoare annotation is: true [2022-12-13 12:47:49,245 INFO L899 garLoopResultBuilder]: For program point L563-4(lines 563 589) no Hoare annotation was computed. [2022-12-13 12:47:49,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-12-13 12:47:49,245 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 547 548) no Hoare annotation was computed. [2022-12-13 12:47:49,248 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:47:49,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:47:49,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:47:49 BoogieIcfgContainer [2022-12-13 12:47:49,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:47:49,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:47:49,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:47:49,263 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:47:49,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:47:46" (3/4) ... [2022-12-13 12:47:49,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:47:49,275 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-13 12:47:49,276 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 12:47:49,276 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 12:47:49,276 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:47:49,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:47:49,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:47:49,319 INFO L158 Benchmark]: Toolchain (without parser) took 3927.15ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 101.8MB in the beginning and 147.4MB in the end (delta: -45.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:47:49,319 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:47:49,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.78ms. Allocated memory is still 155.2MB. Free memory was 101.5MB in the beginning and 122.7MB in the end (delta: -21.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-12-13 12:47:49,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.73ms. Allocated memory is still 155.2MB. Free memory was 122.7MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:47:49,320 INFO L158 Benchmark]: Boogie Preprocessor took 29.98ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:47:49,321 INFO L158 Benchmark]: RCFGBuilder took 349.99ms. Allocated memory is still 155.2MB. Free memory was 118.5MB in the beginning and 99.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 12:47:49,321 INFO L158 Benchmark]: TraceAbstraction took 3137.10ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 99.7MB in the beginning and 151.6MB in the end (delta: -51.9MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2022-12-13 12:47:49,321 INFO L158 Benchmark]: Witness Printer took 55.81ms. Allocated memory is still 186.6MB. Free memory was 151.6MB in the beginning and 147.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:47:49,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.78ms. Allocated memory is still 155.2MB. Free memory was 101.5MB in the beginning and 122.7MB in the end (delta: -21.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.73ms. Allocated memory is still 155.2MB. Free memory was 122.7MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.98ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.99ms. Allocated memory is still 155.2MB. Free memory was 118.5MB in the beginning and 99.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3137.10ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 99.7MB in the beginning and 151.6MB in the end (delta: -51.9MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Witness Printer took 55.81ms. Allocated memory is still 186.6MB. Free memory was 151.6MB in the beginning and 147.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 538]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 538]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 258 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 258 mSDsluCounter, 628 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 369 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 628 IncrementalHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 259 mSDtfsCounter, 628 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=11, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 90 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 23 NumberOfFragments, 9 HoareAnnotationTreeSize, 5 FomulaSimplifications, 391 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 497 ConstructedInterpolants, 0 QuantifiedInterpolants, 902 SizeOfPredicates, 3 NumberOfNonLiveVariables, 542 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 339/359 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 <= 1073741824 + c1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:47:49,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be5ee78-0ed0-4afe-a602-0f496c5d2d0c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE