/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:11:46,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:11:46,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:11:46,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:11:46,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:11:46,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:11:46,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:11:46,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:11:46,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:11:46,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:11:46,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:11:46,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:11:46,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:11:46,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:11:46,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:11:46,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:11:46,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:11:46,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:11:46,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:11:46,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:11:46,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:11:46,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:11:46,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:11:46,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:11:46,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:11:46,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:11:46,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:11:46,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:11:46,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:11:46,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:11:46,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:11:46,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:11:46,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:11:46,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:11:46,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:11:46,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:11:46,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:11:46,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:11:46,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:11:46,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:11:46,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:11:46,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:11:46,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:11:46,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:11:46,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:11:46,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:11:46,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:11:46,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:11:46,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:11:46,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:11:46,434 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:11:46,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:11:46,435 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:11:46,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:11:46,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:11:46,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:11:46,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:11:46,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:11:46,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:11:46,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:11:46,437 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:11:46,438 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:11:46,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:11:46,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:11:46,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:11:46,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:11:46,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:11:46,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:11:46,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:11:46,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:11:46,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:11:46,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:11:46,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:11:46,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:11:46,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:11:46,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:11:46,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:11:46,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:11:46,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:11:46,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:11:46,904 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:11:46,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:11:46,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930f7d64a/03c0c4c7ebff4069a65a27d37e51edf8/FLAG1238f629e [2022-10-15 22:11:48,001 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:11:48,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:11:48,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930f7d64a/03c0c4c7ebff4069a65a27d37e51edf8/FLAG1238f629e [2022-10-15 22:11:48,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930f7d64a/03c0c4c7ebff4069a65a27d37e51edf8 [2022-10-15 22:11:48,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:11:48,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:11:48,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:11:48,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:11:48,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:11:48,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:11:48" (1/1) ... [2022-10-15 22:11:48,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498174f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:48, skipping insertion in model container [2022-10-15 22:11:48,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:11:48" (1/1) ... [2022-10-15 22:11:48,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:11:48,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:11:49,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2022-10-15 22:11:49,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2022-10-15 22:11:49,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2022-10-15 22:11:49,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2022-10-15 22:11:49,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2022-10-15 22:11:49,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2022-10-15 22:11:49,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2022-10-15 22:11:50,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:11:50,115 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:11:50,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2022-10-15 22:11:50,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2022-10-15 22:11:50,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2022-10-15 22:11:50,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2022-10-15 22:11:50,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2022-10-15 22:11:50,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2022-10-15 22:11:50,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2022-10-15 22:11:50,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:11:50,778 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:11:50,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50 WrapperNode [2022-10-15 22:11:50,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:11:50,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:11:50,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:11:50,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:11:50,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:50,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,054 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9939 [2022-10-15 22:11:51,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:11:51,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:11:51,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:11:51,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:11:51,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:11:51,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:11:51,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:11:51,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:11:51,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (1/1) ... [2022-10-15 22:11:51,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:11:51,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:11:51,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:11:51,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:11:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:11:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:11:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:11:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:11:51,901 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:11:51,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:11:57,103 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:11:57,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:11:57,142 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:11:57,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:11:57 BoogieIcfgContainer [2022-10-15 22:11:57,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:11:57,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:11:57,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:11:57,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:11:57,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:11:48" (1/3) ... [2022-10-15 22:11:57,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cdeb61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:11:57, skipping insertion in model container [2022-10-15 22:11:57,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:50" (2/3) ... [2022-10-15 22:11:57,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cdeb61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:11:57, skipping insertion in model container [2022-10-15 22:11:57,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:11:57" (3/3) ... [2022-10-15 22:11:57,159 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:11:57,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:11:57,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 748 error locations. [2022-10-15 22:11:57,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:11:57,313 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ae96d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:11:57,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 748 error locations. [2022-10-15 22:11:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 3503 states, 2754 states have (on average 1.855119825708061) internal successors, (5109), 3502 states have internal predecessors, (5109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:11:57,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:57,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:11:57,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:11:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:57,351 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:11:57,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:57,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901273320] [2022-10-15 22:11:57,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:57,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:57,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:57,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901273320] [2022-10-15 22:11:57,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901273320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:57,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:57,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:11:57,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111513632] [2022-10-15 22:11:57,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:57,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:11:57,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:57,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:11:57,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:11:57,783 INFO L87 Difference]: Start difference. First operand has 3503 states, 2754 states have (on average 1.855119825708061) internal successors, (5109), 3502 states have internal predecessors, (5109), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:57,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:57,945 INFO L93 Difference]: Finished difference Result 3506 states and 5111 transitions. [2022-10-15 22:11:57,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:11:57,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-10-15 22:11:57,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:57,985 INFO L225 Difference]: With dead ends: 3506 [2022-10-15 22:11:57,985 INFO L226 Difference]: Without dead ends: 3372 [2022-10-15 22:11:57,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:11:57,997 INFO L413 NwaCegarLoop]: 4984 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4984 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:57,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4984 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:58,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2022-10-15 22:11:58,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 3372. [2022-10-15 22:11:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3372 states, 2742 states have (on average 1.4697301239970824) internal successors, (4030), 3371 states have internal predecessors, (4030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3372 states and 4030 transitions. [2022-10-15 22:11:58,190 INFO L78 Accepts]: Start accepts. Automaton has 3372 states and 4030 transitions. Word has length 4 [2022-10-15 22:11:58,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:58,259 INFO L495 AbstractCegarLoop]: Abstraction has 3372 states and 4030 transitions. [2022-10-15 22:11:58,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3372 states and 4030 transitions. [2022-10-15 22:11:58,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 22:11:58,270 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:58,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:58,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:11:58,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr582ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:11:58,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:58,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1190807659, now seen corresponding path program 1 times [2022-10-15 22:11:58,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:58,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529836073] [2022-10-15 22:11:58,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:58,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:58,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:58,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529836073] [2022-10-15 22:11:58,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529836073] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:58,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:58,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:58,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186732303] [2022-10-15 22:11:58,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:58,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:58,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:58,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:58,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:58,595 INFO L87 Difference]: Start difference. First operand 3372 states and 4030 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:00,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:00,470 INFO L93 Difference]: Finished difference Result 3580 states and 4330 transitions. [2022-10-15 22:12:00,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:12:00,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2022-10-15 22:12:00,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:00,493 INFO L225 Difference]: With dead ends: 3580 [2022-10-15 22:12:00,494 INFO L226 Difference]: Without dead ends: 3500 [2022-10-15 22:12:00,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:00,498 INFO L413 NwaCegarLoop]: 2927 mSDtfsCounter, 6400 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6400 SdHoareTripleChecker+Valid, 4165 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:00,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6400 Valid, 4165 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1758 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:12:00,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3500 states. [2022-10-15 22:12:00,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3500 to 3388. [2022-10-15 22:12:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 2836 states have (on average 1.4460507757404795) internal successors, (4101), 3387 states have internal predecessors, (4101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4101 transitions. [2022-10-15 22:12:00,716 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4101 transitions. Word has length 45 [2022-10-15 22:12:00,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:00,717 INFO L495 AbstractCegarLoop]: Abstraction has 3388 states and 4101 transitions. [2022-10-15 22:12:00,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4101 transitions. [2022-10-15 22:12:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 22:12:00,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:00,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:00,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:12:00,722 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr583ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:00,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:00,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1739676456, now seen corresponding path program 1 times [2022-10-15 22:12:00,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:00,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438522011] [2022-10-15 22:12:00,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:00,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:00,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:00,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438522011] [2022-10-15 22:12:00,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438522011] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:00,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:00,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:00,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432972882] [2022-10-15 22:12:00,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:00,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:12:00,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:00,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:12:00,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:00,907 INFO L87 Difference]: Start difference. First operand 3388 states and 4101 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:02,456 INFO L93 Difference]: Finished difference Result 3490 states and 4250 transitions. [2022-10-15 22:12:02,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:12:02,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 46 [2022-10-15 22:12:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:02,477 INFO L225 Difference]: With dead ends: 3490 [2022-10-15 22:12:02,477 INFO L226 Difference]: Without dead ends: 3394 [2022-10-15 22:12:02,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:02,482 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 7315 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7315 SdHoareTripleChecker+Valid, 3091 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:02,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7315 Valid, 3091 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 22:12:02,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2022-10-15 22:12:02,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3386. [2022-10-15 22:12:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3386 states, 2928 states have (on average 1.4180327868852458) internal successors, (4152), 3385 states have internal predecessors, (4152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4152 transitions. [2022-10-15 22:12:02,618 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4152 transitions. Word has length 46 [2022-10-15 22:12:02,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:02,618 INFO L495 AbstractCegarLoop]: Abstraction has 3386 states and 4152 transitions. [2022-10-15 22:12:02,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4152 transitions. [2022-10-15 22:12:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-15 22:12:02,622 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:02,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:02,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:12:02,622 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr584ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:02,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1904596489, now seen corresponding path program 1 times [2022-10-15 22:12:02,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:02,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318516928] [2022-10-15 22:12:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:02,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:02,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:02,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318516928] [2022-10-15 22:12:02,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318516928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:02,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:02,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:12:02,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648684141] [2022-10-15 22:12:02,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:02,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:12:02,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:02,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:12:02,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:02,797 INFO L87 Difference]: Start difference. First operand 3386 states and 4152 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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) [2022-10-15 22:12:04,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:04,539 INFO L93 Difference]: Finished difference Result 3591 states and 4441 transitions. [2022-10-15 22:12:04,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:12:04,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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) Word has length 47 [2022-10-15 22:12:04,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:04,559 INFO L225 Difference]: With dead ends: 3591 [2022-10-15 22:12:04,560 INFO L226 Difference]: Without dead ends: 3517 [2022-10-15 22:12:04,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:12:04,564 INFO L413 NwaCegarLoop]: 2946 mSDtfsCounter, 8980 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 2070 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8980 SdHoareTripleChecker+Valid, 4965 SdHoareTripleChecker+Invalid, 2190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:04,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8980 Valid, 4965 Invalid, 2190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2070 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 22:12:04,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2022-10-15 22:12:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3405. [2022-10-15 22:12:04,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3405 states, 3019 states have (on average 1.398476316661146) internal successors, (4222), 3404 states have internal predecessors, (4222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4222 transitions. [2022-10-15 22:12:04,708 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4222 transitions. Word has length 47 [2022-10-15 22:12:04,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:04,709 INFO L495 AbstractCegarLoop]: Abstraction has 3405 states and 4222 transitions. [2022-10-15 22:12:04,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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) [2022-10-15 22:12:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4222 transitions. [2022-10-15 22:12:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 22:12:04,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:04,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:04,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:12:04,712 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr585ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:04,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:04,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1087059210, now seen corresponding path program 1 times [2022-10-15 22:12:04,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:04,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182645328] [2022-10-15 22:12:04,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:04,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:04,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:04,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182645328] [2022-10-15 22:12:04,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182645328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:04,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:04,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:12:04,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443942040] [2022-10-15 22:12:04,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:04,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:12:04,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:04,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:12:04,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:04,856 INFO L87 Difference]: Start difference. First operand 3405 states and 4222 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:06,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:06,375 INFO L93 Difference]: Finished difference Result 3511 states and 4367 transitions. [2022-10-15 22:12:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:12:06,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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 48 [2022-10-15 22:12:06,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:06,394 INFO L225 Difference]: With dead ends: 3511 [2022-10-15 22:12:06,394 INFO L226 Difference]: Without dead ends: 3427 [2022-10-15 22:12:06,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:12:06,397 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 10062 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10062 SdHoareTripleChecker+Valid, 3782 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:06,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10062 Valid, 3782 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 22:12:06,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2022-10-15 22:12:06,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3413. [2022-10-15 22:12:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3413 states, 3109 states have (on average 1.3763267931810872) internal successors, (4279), 3412 states have internal predecessors, (4279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 4279 transitions. [2022-10-15 22:12:06,536 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 4279 transitions. Word has length 48 [2022-10-15 22:12:06,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:06,537 INFO L495 AbstractCegarLoop]: Abstraction has 3413 states and 4279 transitions. [2022-10-15 22:12:06,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 4279 transitions. [2022-10-15 22:12:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 22:12:06,539 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:06,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:06,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:12:06,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr586ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:06,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:06,540 INFO L85 PathProgramCache]: Analyzing trace with hash -660894631, now seen corresponding path program 1 times [2022-10-15 22:12:06,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:06,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093726662] [2022-10-15 22:12:06,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:06,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:06,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:06,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093726662] [2022-10-15 22:12:06,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093726662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:06,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:06,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:12:06,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646928905] [2022-10-15 22:12:06,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:06,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:12:06,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:06,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:12:06,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:12:06,686 INFO L87 Difference]: Start difference. First operand 3413 states and 4279 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:08,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:08,672 INFO L93 Difference]: Finished difference Result 4165 states and 5421 transitions. [2022-10-15 22:12:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:12:08,673 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 49 [2022-10-15 22:12:08,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:08,691 INFO L225 Difference]: With dead ends: 4165 [2022-10-15 22:12:08,692 INFO L226 Difference]: Without dead ends: 3639 [2022-10-15 22:12:08,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:12:08,704 INFO L413 NwaCegarLoop]: 2969 mSDtfsCounter, 11052 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 2499 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11052 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 2645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 2499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:08,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11052 Valid, 5937 Invalid, 2645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 2499 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:12:08,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3639 states. [2022-10-15 22:12:08,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3639 to 3439. [2022-10-15 22:12:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3439 states, 3199 states have (on average 1.3597999374804626) internal successors, (4350), 3438 states have internal predecessors, (4350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3439 states and 4350 transitions. [2022-10-15 22:12:08,918 INFO L78 Accepts]: Start accepts. Automaton has 3439 states and 4350 transitions. Word has length 49 [2022-10-15 22:12:08,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:08,919 INFO L495 AbstractCegarLoop]: Abstraction has 3439 states and 4350 transitions. [2022-10-15 22:12:08,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 4350 transitions. [2022-10-15 22:12:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:12:08,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:08,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:08,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:12:08,924 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr587ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:08,925 INFO L85 PathProgramCache]: Analyzing trace with hash 987111148, now seen corresponding path program 1 times [2022-10-15 22:12:08,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:08,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469268656] [2022-10-15 22:12:08,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:08,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:09,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:09,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469268656] [2022-10-15 22:12:09,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469268656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:09,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:09,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:12:09,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722990425] [2022-10-15 22:12:09,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:09,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:12:09,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:09,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:12:09,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:12:09,161 INFO L87 Difference]: Start difference. First operand 3439 states and 4350 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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) [2022-10-15 22:12:11,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:11,080 INFO L93 Difference]: Finished difference Result 3833 states and 4930 transitions. [2022-10-15 22:12:11,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:12:11,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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) Word has length 50 [2022-10-15 22:12:11,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:11,099 INFO L225 Difference]: With dead ends: 3833 [2022-10-15 22:12:11,100 INFO L226 Difference]: Without dead ends: 3756 [2022-10-15 22:12:11,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:12:11,102 INFO L413 NwaCegarLoop]: 2725 mSDtfsCounter, 12703 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12703 SdHoareTripleChecker+Valid, 4825 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:11,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12703 Valid, 4825 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 1903 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:12:11,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2022-10-15 22:12:11,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 3728. [2022-10-15 22:12:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3728 states, 3562 states have (on average 1.3596294216732172) internal successors, (4843), 3727 states have internal predecessors, (4843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3728 states and 4843 transitions. [2022-10-15 22:12:11,375 INFO L78 Accepts]: Start accepts. Automaton has 3728 states and 4843 transitions. Word has length 50 [2022-10-15 22:12:11,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:11,377 INFO L495 AbstractCegarLoop]: Abstraction has 3728 states and 4843 transitions. [2022-10-15 22:12:11,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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) [2022-10-15 22:12:11,378 INFO L276 IsEmpty]: Start isEmpty. Operand 3728 states and 4843 transitions. [2022-10-15 22:12:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:12:11,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:11,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:11,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:12:11,385 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr322ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:11,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:11,386 INFO L85 PathProgramCache]: Analyzing trace with hash -382159725, now seen corresponding path program 1 times [2022-10-15 22:12:11,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:11,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439537165] [2022-10-15 22:12:11,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:11,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:11,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439537165] [2022-10-15 22:12:11,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439537165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:11,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:11,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:11,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963942657] [2022-10-15 22:12:11,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:11,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:12:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:11,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:12:11,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:11,612 INFO L87 Difference]: Start difference. First operand 3728 states and 4843 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:12,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:12,930 INFO L93 Difference]: Finished difference Result 4104 states and 5415 transitions. [2022-10-15 22:12:12,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:12:12,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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 72 [2022-10-15 22:12:12,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:12,953 INFO L225 Difference]: With dead ends: 4104 [2022-10-15 22:12:12,953 INFO L226 Difference]: Without dead ends: 4094 [2022-10-15 22:12:12,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:12,957 INFO L413 NwaCegarLoop]: 3025 mSDtfsCounter, 3334 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3334 SdHoareTripleChecker+Valid, 5569 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:12,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3334 Valid, 5569 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1530 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:12:12,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2022-10-15 22:12:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3900. [2022-10-15 22:12:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3900 states, 3742 states have (on average 1.3679850347407803) internal successors, (5119), 3899 states have internal predecessors, (5119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 5119 transitions. [2022-10-15 22:12:13,158 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 5119 transitions. Word has length 72 [2022-10-15 22:12:13,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:13,158 INFO L495 AbstractCegarLoop]: Abstraction has 3900 states and 5119 transitions. [2022-10-15 22:12:13,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 5119 transitions. [2022-10-15 22:12:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:12:13,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:13,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:13,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:12:13,164 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr508ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:13,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1820460470, now seen corresponding path program 1 times [2022-10-15 22:12:13,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:13,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562452054] [2022-10-15 22:12:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:13,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:13,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:13,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562452054] [2022-10-15 22:12:13,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562452054] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:13,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:13,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:12:13,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676315530] [2022-10-15 22:12:13,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:13,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:12:13,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:13,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:12:13,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:13,368 INFO L87 Difference]: Start difference. First operand 3900 states and 5119 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:14,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:14,870 INFO L93 Difference]: Finished difference Result 4096 states and 5399 transitions. [2022-10-15 22:12:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:12:14,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 73 [2022-10-15 22:12:14,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:14,881 INFO L225 Difference]: With dead ends: 4096 [2022-10-15 22:12:14,881 INFO L226 Difference]: Without dead ends: 4088 [2022-10-15 22:12:14,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:12:14,884 INFO L413 NwaCegarLoop]: 3010 mSDtfsCounter, 5892 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5892 SdHoareTripleChecker+Valid, 6199 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:14,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5892 Valid, 6199 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 22:12:14,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4088 states. [2022-10-15 22:12:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4088 to 3984. [2022-10-15 22:12:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3984 states, 3832 states have (on average 1.370563674321503) internal successors, (5252), 3983 states have internal predecessors, (5252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3984 states and 5252 transitions. [2022-10-15 22:12:15,094 INFO L78 Accepts]: Start accepts. Automaton has 3984 states and 5252 transitions. Word has length 73 [2022-10-15 22:12:15,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:15,094 INFO L495 AbstractCegarLoop]: Abstraction has 3984 states and 5252 transitions. [2022-10-15 22:12:15,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:15,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 5252 transitions. [2022-10-15 22:12:15,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:12:15,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:15,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:15,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:12:15,109 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr324ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:15,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:15,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2111837909, now seen corresponding path program 1 times [2022-10-15 22:12:15,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:15,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233374796] [2022-10-15 22:12:15,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:15,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:15,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:15,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233374796] [2022-10-15 22:12:15,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233374796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:15,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:15,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:12:15,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244592720] [2022-10-15 22:12:15,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:15,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:12:15,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:15,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:12:15,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:15,328 INFO L87 Difference]: Start difference. First operand 3984 states and 5252 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:16,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:16,875 INFO L93 Difference]: Finished difference Result 4272 states and 5673 transitions. [2022-10-15 22:12:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:12:16,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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 74 [2022-10-15 22:12:16,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:16,887 INFO L225 Difference]: With dead ends: 4272 [2022-10-15 22:12:16,887 INFO L226 Difference]: Without dead ends: 4264 [2022-10-15 22:12:16,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:12:16,890 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 6103 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6103 SdHoareTripleChecker+Valid, 6095 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:16,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6103 Valid, 6095 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 22:12:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2022-10-15 22:12:17,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4248. [2022-10-15 22:12:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4248 states, 4102 states have (on average 1.3805460750853242) internal successors, (5663), 4247 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 4248 states and 5663 transitions. [2022-10-15 22:12:17,125 INFO L78 Accepts]: Start accepts. Automaton has 4248 states and 5663 transitions. Word has length 74 [2022-10-15 22:12:17,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:17,125 INFO L495 AbstractCegarLoop]: Abstraction has 4248 states and 5663 transitions. [2022-10-15 22:12:17,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4248 states and 5663 transitions. [2022-10-15 22:12:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:12:17,138 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:17,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:17,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:12:17,139 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr292ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:17,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:17,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1303161945, now seen corresponding path program 1 times [2022-10-15 22:12:17,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:17,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86259339] [2022-10-15 22:12:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:17,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:17,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86259339] [2022-10-15 22:12:17,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86259339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:17,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:17,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:17,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423529077] [2022-10-15 22:12:17,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:17,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:12:17,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:12:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:17,309 INFO L87 Difference]: Start difference. First operand 4248 states and 5663 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:18,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:18,567 INFO L93 Difference]: Finished difference Result 4444 states and 5955 transitions. [2022-10-15 22:12:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:12:18,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 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 75 [2022-10-15 22:12:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:18,577 INFO L225 Difference]: With dead ends: 4444 [2022-10-15 22:12:18,577 INFO L226 Difference]: Without dead ends: 4433 [2022-10-15 22:12:18,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:18,581 INFO L413 NwaCegarLoop]: 2964 mSDtfsCounter, 3517 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3517 SdHoareTripleChecker+Valid, 5426 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:18,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3517 Valid, 5426 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 22:12:18,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4433 states. [2022-10-15 22:12:18,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4433 to 4419. [2022-10-15 22:12:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 4282 states have (on average 1.387669313404951) internal successors, (5942), 4418 states have internal predecessors, (5942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 5942 transitions. [2022-10-15 22:12:18,858 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 5942 transitions. Word has length 75 [2022-10-15 22:12:18,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:18,858 INFO L495 AbstractCegarLoop]: Abstraction has 4419 states and 5942 transitions. [2022-10-15 22:12:18,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:18,859 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 5942 transitions. [2022-10-15 22:12:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:12:18,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:18,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:18,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:12:18,865 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr325ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:18,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:18,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1042470311, now seen corresponding path program 1 times [2022-10-15 22:12:18,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:18,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192480223] [2022-10-15 22:12:18,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:18,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:19,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:19,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192480223] [2022-10-15 22:12:19,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192480223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:19,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:19,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:12:19,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730411683] [2022-10-15 22:12:19,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:19,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:12:19,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:19,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:12:19,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:19,060 INFO L87 Difference]: Start difference. First operand 4419 states and 5942 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:20,560 INFO L93 Difference]: Finished difference Result 5161 states and 7094 transitions. [2022-10-15 22:12:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:12:20,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 75 [2022-10-15 22:12:20,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:20,578 INFO L225 Difference]: With dead ends: 5161 [2022-10-15 22:12:20,578 INFO L226 Difference]: Without dead ends: 5153 [2022-10-15 22:12:20,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:12:20,582 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 6969 mSDsluCounter, 2538 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6969 SdHoareTripleChecker+Valid, 5323 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:20,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6969 Valid, 5323 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 22:12:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2022-10-15 22:12:20,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 4953. [2022-10-15 22:12:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4953 states, 4822 states have (on average 1.4085441725425134) internal successors, (6792), 4952 states have internal predecessors, (6792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4953 states and 6792 transitions. [2022-10-15 22:12:20,928 INFO L78 Accepts]: Start accepts. Automaton has 4953 states and 6792 transitions. Word has length 75 [2022-10-15 22:12:20,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:20,928 INFO L495 AbstractCegarLoop]: Abstraction has 4953 states and 6792 transitions. [2022-10-15 22:12:20,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:20,929 INFO L276 IsEmpty]: Start isEmpty. Operand 4953 states and 6792 transitions. [2022-10-15 22:12:20,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:12:20,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:20,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:20,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:12:20,935 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr510ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:20,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:20,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1410598740, now seen corresponding path program 1 times [2022-10-15 22:12:20,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:20,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987626583] [2022-10-15 22:12:20,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:20,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:21,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:21,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987626583] [2022-10-15 22:12:21,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987626583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:21,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:21,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:12:21,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851209072] [2022-10-15 22:12:21,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:21,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:12:21,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:21,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:12:21,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:12:21,149 INFO L87 Difference]: Start difference. First operand 4953 states and 6792 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:22,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:22,902 INFO L93 Difference]: Finished difference Result 6957 states and 9920 transitions. [2022-10-15 22:12:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:12:22,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 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 75 [2022-10-15 22:12:22,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:22,921 INFO L225 Difference]: With dead ends: 6957 [2022-10-15 22:12:22,921 INFO L226 Difference]: Without dead ends: 5141 [2022-10-15 22:12:22,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:12:22,928 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 8421 mSDsluCounter, 4012 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8421 SdHoareTripleChecker+Valid, 7017 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:22,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8421 Valid, 7017 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 22:12:22,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5141 states. [2022-10-15 22:12:23,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5141 to 5129. [2022-10-15 22:12:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5129 states, 5002 states have (on average 1.4110355857656938) internal successors, (7058), 5128 states have internal predecessors, (7058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 7058 transitions. [2022-10-15 22:12:23,295 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 7058 transitions. Word has length 75 [2022-10-15 22:12:23,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:23,296 INFO L495 AbstractCegarLoop]: Abstraction has 5129 states and 7058 transitions. [2022-10-15 22:12:23,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 7058 transitions. [2022-10-15 22:12:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:12:23,302 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:23,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:23,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:12:23,303 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr293ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:23,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:23,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1743310482, now seen corresponding path program 1 times [2022-10-15 22:12:23,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:23,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894896762] [2022-10-15 22:12:23,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:23,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:23,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:23,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894896762] [2022-10-15 22:12:23,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894896762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:23,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:23,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:23,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055360887] [2022-10-15 22:12:23,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:23,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:12:23,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:23,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:12:23,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:23,482 INFO L87 Difference]: Start difference. First operand 5129 states and 7058 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:24,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:24,809 INFO L93 Difference]: Finished difference Result 5135 states and 7058 transitions. [2022-10-15 22:12:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:12:24,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 76 [2022-10-15 22:12:24,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:24,822 INFO L225 Difference]: With dead ends: 5135 [2022-10-15 22:12:24,822 INFO L226 Difference]: Without dead ends: 5124 [2022-10-15 22:12:24,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:24,826 INFO L413 NwaCegarLoop]: 2786 mSDtfsCounter, 4149 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 5038 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:24,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4149 Valid, 5038 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:12:24,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5124 states. [2022-10-15 22:12:25,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5124 to 5118. [2022-10-15 22:12:25,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 5002 states have (on average 1.4060375849660136) internal successors, (7033), 5117 states have internal predecessors, (7033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 7033 transitions. [2022-10-15 22:12:25,268 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 7033 transitions. Word has length 76 [2022-10-15 22:12:25,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:25,269 INFO L495 AbstractCegarLoop]: Abstraction has 5118 states and 7033 transitions. [2022-10-15 22:12:25,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 7033 transitions. [2022-10-15 22:12:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:12:25,275 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:25,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:25,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:12:25,275 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:25,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2043154153, now seen corresponding path program 1 times [2022-10-15 22:12:25,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:25,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386239681] [2022-10-15 22:12:25,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:25,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:25,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:25,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386239681] [2022-10-15 22:12:25,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386239681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:25,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:25,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:12:25,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012964801] [2022-10-15 22:12:25,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:25,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:12:25,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:25,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:12:25,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:12:25,471 INFO L87 Difference]: Start difference. First operand 5118 states and 7033 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:27,444 INFO L93 Difference]: Finished difference Result 6760 states and 9577 transitions. [2022-10-15 22:12:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:12:27,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 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 76 [2022-10-15 22:12:27,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:27,455 INFO L225 Difference]: With dead ends: 6760 [2022-10-15 22:12:27,455 INFO L226 Difference]: Without dead ends: 5306 [2022-10-15 22:12:27,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:12:27,460 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 8483 mSDsluCounter, 4347 mSDsCounter, 0 mSdLazyCounter, 2674 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8483 SdHoareTripleChecker+Valid, 7364 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:27,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8483 Valid, 7364 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2674 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:12:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5306 states. [2022-10-15 22:12:27,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5306 to 5294. [2022-10-15 22:12:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5294 states, 5182 states have (on average 1.4085295252798147) internal successors, (7299), 5293 states have internal predecessors, (7299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 7299 transitions. [2022-10-15 22:12:27,816 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 7299 transitions. Word has length 76 [2022-10-15 22:12:27,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:27,817 INFO L495 AbstractCegarLoop]: Abstraction has 5294 states and 7299 transitions. [2022-10-15 22:12:27,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 7299 transitions. [2022-10-15 22:12:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:12:27,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:27,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:27,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:12:27,824 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr511ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:27,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:27,824 INFO L85 PathProgramCache]: Analyzing trace with hash -778880993, now seen corresponding path program 1 times [2022-10-15 22:12:27,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:27,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55935979] [2022-10-15 22:12:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:27,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:28,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:28,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55935979] [2022-10-15 22:12:28,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55935979] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:28,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:28,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:12:28,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082375244] [2022-10-15 22:12:28,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:28,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:12:28,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:28,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:12:28,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:12:28,010 INFO L87 Difference]: Start difference. First operand 5294 states and 7299 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:29,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:29,967 INFO L93 Difference]: Finished difference Result 6580 states and 9271 transitions. [2022-10-15 22:12:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:12:29,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 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 76 [2022-10-15 22:12:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:29,979 INFO L225 Difference]: With dead ends: 6580 [2022-10-15 22:12:29,979 INFO L226 Difference]: Without dead ends: 6574 [2022-10-15 22:12:29,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:12:29,982 INFO L413 NwaCegarLoop]: 2768 mSDtfsCounter, 9643 mSDsluCounter, 3701 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9643 SdHoareTripleChecker+Valid, 6469 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:29,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9643 Valid, 6469 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2242 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 22:12:29,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6574 states. [2022-10-15 22:12:30,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6574 to 6010. [2022-10-15 22:12:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6010 states, 5902 states have (on average 1.4279905116909521) internal successors, (8428), 6009 states have internal predecessors, (8428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6010 states to 6010 states and 8428 transitions. [2022-10-15 22:12:30,446 INFO L78 Accepts]: Start accepts. Automaton has 6010 states and 8428 transitions. Word has length 76 [2022-10-15 22:12:30,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:30,446 INFO L495 AbstractCegarLoop]: Abstraction has 6010 states and 8428 transitions. [2022-10-15 22:12:30,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 6010 states and 8428 transitions. [2022-10-15 22:12:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:12:30,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:30,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:30,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:12:30,453 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr286ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:30,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:30,454 INFO L85 PathProgramCache]: Analyzing trace with hash 958376075, now seen corresponding path program 1 times [2022-10-15 22:12:30,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:30,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804689374] [2022-10-15 22:12:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:30,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:30,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:30,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804689374] [2022-10-15 22:12:30,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804689374] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:30,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:30,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:30,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795167221] [2022-10-15 22:12:30,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:30,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:12:30,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:30,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:12:30,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:30,602 INFO L87 Difference]: Start difference. First operand 6010 states and 8428 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:31,717 INFO L93 Difference]: Finished difference Result 6386 states and 9004 transitions. [2022-10-15 22:12:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:12:31,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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 77 [2022-10-15 22:12:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:31,727 INFO L225 Difference]: With dead ends: 6386 [2022-10-15 22:12:31,727 INFO L226 Difference]: Without dead ends: 6376 [2022-10-15 22:12:31,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:31,731 INFO L413 NwaCegarLoop]: 3525 mSDtfsCounter, 1019 mSDsluCounter, 2669 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 6194 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:31,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 6194 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:12:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6376 states. [2022-10-15 22:12:32,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6376 to 6002. [2022-10-15 22:12:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6002 states, 5902 states have (on average 1.422907488986784) internal successors, (8398), 6001 states have internal predecessors, (8398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6002 states to 6002 states and 8398 transitions. [2022-10-15 22:12:32,269 INFO L78 Accepts]: Start accepts. Automaton has 6002 states and 8398 transitions. Word has length 77 [2022-10-15 22:12:32,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:32,270 INFO L495 AbstractCegarLoop]: Abstraction has 6002 states and 8398 transitions. [2022-10-15 22:12:32,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6002 states and 8398 transitions. [2022-10-15 22:12:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:12:32,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:32,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:32,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:12:32,278 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr294ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:32,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1791954057, now seen corresponding path program 1 times [2022-10-15 22:12:32,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:32,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521644519] [2022-10-15 22:12:32,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:32,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:32,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:32,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521644519] [2022-10-15 22:12:32,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521644519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:32,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:32,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:12:32,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763886914] [2022-10-15 22:12:32,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:32,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:12:32,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:32,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:12:32,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:32,512 INFO L87 Difference]: Start difference. First operand 6002 states and 8398 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:34,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:34,021 INFO L93 Difference]: Finished difference Result 6560 states and 9250 transitions. [2022-10-15 22:12:34,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:12:34,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2022-10-15 22:12:34,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:34,031 INFO L225 Difference]: With dead ends: 6560 [2022-10-15 22:12:34,031 INFO L226 Difference]: Without dead ends: 6550 [2022-10-15 22:12:34,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:12:34,034 INFO L413 NwaCegarLoop]: 2953 mSDtfsCounter, 6368 mSDsluCounter, 2889 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6368 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:34,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6368 Valid, 5842 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:12:34,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2022-10-15 22:12:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 6174. [2022-10-15 22:12:34,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6174 states, 6082 states have (on average 1.425517921736271) internal successors, (8670), 6173 states have internal predecessors, (8670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6174 states to 6174 states and 8670 transitions. [2022-10-15 22:12:34,597 INFO L78 Accepts]: Start accepts. Automaton has 6174 states and 8670 transitions. Word has length 77 [2022-10-15 22:12:34,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:34,598 INFO L495 AbstractCegarLoop]: Abstraction has 6174 states and 8670 transitions. [2022-10-15 22:12:34,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 6174 states and 8670 transitions. [2022-10-15 22:12:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:12:34,604 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:34,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:34,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:12:34,605 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr327ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-15 22:12:34,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:34,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1086735273, now seen corresponding path program 1 times [2022-10-15 22:12:34,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:34,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633286645] [2022-10-15 22:12:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:34,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:12:34,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:34,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633286645] [2022-10-15 22:12:34,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633286645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:34,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:34,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:12:34,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091604532] [2022-10-15 22:12:34,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:34,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:12:34,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:34,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:12:34,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:12:34,785 INFO L87 Difference]: Start difference. First operand 6174 states and 8670 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 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)