/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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:10:06,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:10:06,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:10:06,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:10:06,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:10:06,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:10:06,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:10:06,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:10:06,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:10:06,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:10:06,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:10:06,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:10:06,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:10:06,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:10:06,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:10:06,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:10:06,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:10:06,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:10:06,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:10:06,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:10:06,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:10:06,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:10:06,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:10:06,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:10:06,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:10:06,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:10:06,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:10:06,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:10:06,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:10:06,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:10:06,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:10:06,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:10:06,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:10:06,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:10:06,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:10:06,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:10:06,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:10:06,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:10:06,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:10:06,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:10:06,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:10:06,119 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 22:10:06,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:10:06,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:10:06,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:10:06,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:10:06,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:10:06,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:10:06,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:10:06,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:10:06,169 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:10:06,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:10:06,169 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:10:06,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:10:06,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:10:06,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:10:06,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:10:06,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:10:06,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:10:06,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:10:06,172 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:10:06,172 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:10:06,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:10:06,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:10:06,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:10:06,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:10:06,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:10:06,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:10:06,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:10:06,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:10:06,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:10:06,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:10:06,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:10:06,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:10:06,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:10:06,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:10:06,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:10:06,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:10:06,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:10:06,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:10:06,615 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:10:06,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:10:06,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76696afd0/276e4ba64989400aaaee0317a3b387ff/FLAG688b32f7f [2022-10-15 22:10:07,674 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:10:07,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:10:07,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76696afd0/276e4ba64989400aaaee0317a3b387ff/FLAG688b32f7f [2022-10-15 22:10:08,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76696afd0/276e4ba64989400aaaee0317a3b387ff [2022-10-15 22:10:08,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:10:08,222 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:10:08,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:10:08,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:10:08,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:10:08,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:10:08" (1/1) ... [2022-10-15 22:10:08,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5358ea87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:08, skipping insertion in model container [2022-10-15 22:10:08,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:10:08" (1/1) ... [2022-10-15 22:10:08,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:10:08,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:10:08,814 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7172,7185] [2022-10-15 22:10:08,847 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[10914,10927] [2022-10-15 22:10:08,889 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[17944,17957] [2022-10-15 22:10:08,923 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24017,24030] [2022-10-15 22:10:09,036 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42645,42658] [2022-10-15 22:10:09,224 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[64626,64639] [2022-10-15 22:10:09,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:10:09,528 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:10:09,581 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7172,7185] [2022-10-15 22:10:09,604 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[10914,10927] [2022-10-15 22:10:09,621 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[17944,17957] [2022-10-15 22:10:09,649 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24017,24030] [2022-10-15 22:10:09,701 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42645,42658] [2022-10-15 22:10:09,784 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.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[64626,64639] [2022-10-15 22:10:09,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:10:09,953 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:10:09,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09 WrapperNode [2022-10-15 22:10:09,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:10:09,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:10:09,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:10:09,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:10:09,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,263 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5696 [2022-10-15 22:10:10,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:10:10,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:10:10,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:10:10,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:10:10,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:10:10,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:10:10,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:10:10,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:10:10,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (1/1) ... [2022-10-15 22:10:10,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:10:10,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:10:10,555 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 22:10:10,621 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 22:10:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:10:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:10:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:10:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:10:11,002 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:10:11,007 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:10:14,174 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:10:14,212 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:10:14,213 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:10:14,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:10:14 BoogieIcfgContainer [2022-10-15 22:10:14,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:10:14,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:10:14,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:10:14,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:10:14,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:10:08" (1/3) ... [2022-10-15 22:10:14,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fbcd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:10:14, skipping insertion in model container [2022-10-15 22:10:14,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:09" (2/3) ... [2022-10-15 22:10:14,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fbcd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:10:14, skipping insertion in model container [2022-10-15 22:10:14,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:10:14" (3/3) ... [2022-10-15 22:10:14,232 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:10:14,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:10:14,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 408 error locations. [2022-10-15 22:10:14,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:10:14,422 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;@1fa7b91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:10:14,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 408 error locations. [2022-10-15 22:10:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 1919 states, 1510 states have (on average 1.8774834437086092) internal successors, (2835), 1918 states have internal predecessors, (2835), 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 22:10:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:10:14,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:14,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:10:14,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:14,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:10:14,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:14,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642895563] [2022-10-15 22:10:14,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:14,835 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 22:10:14,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:14,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642895563] [2022-10-15 22:10:14,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642895563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:14,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:14,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:10:14,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771559496] [2022-10-15 22:10:14,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:14,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:10:14,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:14,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:10:14,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:10:14,892 INFO L87 Difference]: Start difference. First operand has 1919 states, 1510 states have (on average 1.8774834437086092) internal successors, (2835), 1918 states have internal predecessors, (2835), 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 22:10:15,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:15,025 INFO L93 Difference]: Finished difference Result 1922 states and 2837 transitions. [2022-10-15 22:10:15,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:10:15,028 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 22:10:15,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:15,054 INFO L225 Difference]: With dead ends: 1922 [2022-10-15 22:10:15,054 INFO L226 Difference]: Without dead ends: 1794 [2022-10-15 22:10:15,059 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 22:10:15,064 INFO L413 NwaCegarLoop]: 2717 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, 2717 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 22:10:15,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2717 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:10:15,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-10-15 22:10:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1794. [2022-10-15 22:10:15,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1498 states have (on average 1.4285714285714286) internal successors, (2140), 1793 states have internal predecessors, (2140), 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 22:10:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2140 transitions. [2022-10-15 22:10:15,194 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2140 transitions. Word has length 4 [2022-10-15 22:10:15,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:15,194 INFO L495 AbstractCegarLoop]: Abstraction has 1794 states and 2140 transitions. [2022-10-15 22:10:15,195 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 22:10:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2140 transitions. [2022-10-15 22:10:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 22:10:15,197 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:15,238 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] [2022-10-15 22:10:15,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:10:15,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr398ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1849514775, now seen corresponding path program 1 times [2022-10-15 22:10:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:15,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951597313] [2022-10-15 22:10:15,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:15,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:15,515 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 22:10:15,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:15,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951597313] [2022-10-15 22:10:15,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951597313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:15,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:15,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:15,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686391638] [2022-10-15 22:10:15,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:15,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:15,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:15,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:15,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:15,525 INFO L87 Difference]: Start difference. First operand 1794 states and 2140 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 22:10:16,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:16,564 INFO L93 Difference]: Finished difference Result 1945 states and 2361 transitions. [2022-10-15 22:10:16,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:16,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-10-15 22:10:16,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:16,576 INFO L225 Difference]: With dead ends: 1945 [2022-10-15 22:10:16,576 INFO L226 Difference]: Without dead ends: 1883 [2022-10-15 22:10:16,578 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 22:10:16,580 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 3518 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3518 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:16,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 2279 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:10:16,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1883 states. [2022-10-15 22:10:16,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1883 to 1804. [2022-10-15 22:10:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1568 states have (on average 1.3966836734693877) internal successors, (2190), 1803 states have internal predecessors, (2190), 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 22:10:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2190 transitions. [2022-10-15 22:10:16,647 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2190 transitions. Word has length 33 [2022-10-15 22:10:16,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:16,647 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2190 transitions. [2022-10-15 22:10:16,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 22:10:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2190 transitions. [2022-10-15 22:10:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 22:10:16,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:16,650 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] [2022-10-15 22:10:16,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:10:16,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr399ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:16,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:16,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1500388900, now seen corresponding path program 1 times [2022-10-15 22:10:16,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:16,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777787895] [2022-10-15 22:10:16,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:16,823 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 22:10:16,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:16,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777787895] [2022-10-15 22:10:16,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777787895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:16,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:16,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:16,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157296944] [2022-10-15 22:10:16,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:16,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:16,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:16,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:16,834 INFO L87 Difference]: Start difference. First operand 1804 states and 2190 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 22:10:17,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:17,587 INFO L93 Difference]: Finished difference Result 1877 states and 2299 transitions. [2022-10-15 22:10:17,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:17,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2022-10-15 22:10:17,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:17,596 INFO L225 Difference]: With dead ends: 1877 [2022-10-15 22:10:17,596 INFO L226 Difference]: Without dead ends: 1809 [2022-10-15 22:10:17,597 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 22:10:17,599 INFO L413 NwaCegarLoop]: 1482 mSDtfsCounter, 3795 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:17,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3795 Valid, 1776 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2022-10-15 22:10:17,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1805. [2022-10-15 22:10:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1635 states have (on average 1.363302752293578) internal successors, (2229), 1804 states have internal predecessors, (2229), 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 22:10:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2229 transitions. [2022-10-15 22:10:17,666 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2229 transitions. Word has length 34 [2022-10-15 22:10:17,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:17,667 INFO L495 AbstractCegarLoop]: Abstraction has 1805 states and 2229 transitions. [2022-10-15 22:10:17,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 22:10:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2229 transitions. [2022-10-15 22:10:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-15 22:10:17,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:17,669 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] [2022-10-15 22:10:17,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:10:17,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr400ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:17,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:17,671 INFO L85 PathProgramCache]: Analyzing trace with hash -732578631, now seen corresponding path program 1 times [2022-10-15 22:10:17,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:17,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755185987] [2022-10-15 22:10:17,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:17,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:17,776 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 22:10:17,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:17,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755185987] [2022-10-15 22:10:17,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755185987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:17,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:17,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:17,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111642706] [2022-10-15 22:10:17,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:17,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:17,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:17,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:17,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:17,779 INFO L87 Difference]: Start difference. First operand 1805 states and 2229 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 22:10:18,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:18,658 INFO L93 Difference]: Finished difference Result 2153 states and 2757 transitions. [2022-10-15 22:10:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:10:18,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2022-10-15 22:10:18,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:18,669 INFO L225 Difference]: With dead ends: 2153 [2022-10-15 22:10:18,669 INFO L226 Difference]: Without dead ends: 1891 [2022-10-15 22:10:18,671 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 22:10:18,672 INFO L413 NwaCegarLoop]: 1609 mSDtfsCounter, 4868 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4868 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:18,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4868 Valid, 2750 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:10:18,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2022-10-15 22:10:18,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1815. [2022-10-15 22:10:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1701 states have (on average 1.3362727807172252) internal successors, (2273), 1814 states have internal predecessors, (2273), 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 22:10:18,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2273 transitions. [2022-10-15 22:10:18,772 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2273 transitions. Word has length 35 [2022-10-15 22:10:18,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:18,772 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2273 transitions. [2022-10-15 22:10:18,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 22:10:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2273 transitions. [2022-10-15 22:10:18,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 22:10:18,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:18,776 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] [2022-10-15 22:10:18,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:10:18,776 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr401ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:18,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:18,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1235095354, now seen corresponding path program 1 times [2022-10-15 22:10:18,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:18,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387376464] [2022-10-15 22:10:18,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:18,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:18,913 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 22:10:18,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:18,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387376464] [2022-10-15 22:10:18,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387376464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:18,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:18,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:18,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359173161] [2022-10-15 22:10:18,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:18,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:18,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:18,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:18,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:18,917 INFO L87 Difference]: Start difference. First operand 1815 states and 2273 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 22:10:19,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:19,776 INFO L93 Difference]: Finished difference Result 1957 states and 2487 transitions. [2022-10-15 22:10:19,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:10:19,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2022-10-15 22:10:19,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:19,788 INFO L225 Difference]: With dead ends: 1957 [2022-10-15 22:10:19,789 INFO L226 Difference]: Without dead ends: 1892 [2022-10-15 22:10:19,790 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 22:10:19,791 INFO L413 NwaCegarLoop]: 1482 mSDtfsCounter, 5380 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5380 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:19,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5380 Valid, 2200 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:10:19,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-10-15 22:10:19,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1884. [2022-10-15 22:10:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1884 states, 1832 states have (on average 1.3187772925764192) internal successors, (2416), 1883 states have internal predecessors, (2416), 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 22:10:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 2416 transitions. [2022-10-15 22:10:19,905 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 2416 transitions. Word has length 36 [2022-10-15 22:10:19,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:19,905 INFO L495 AbstractCegarLoop]: Abstraction has 1884 states and 2416 transitions. [2022-10-15 22:10:19,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 22:10:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2416 transitions. [2022-10-15 22:10:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:10:19,910 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:19,911 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] [2022-10-15 22:10:19,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:10:19,911 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr294ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:19,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:19,912 INFO L85 PathProgramCache]: Analyzing trace with hash -338084388, now seen corresponding path program 1 times [2022-10-15 22:10:19,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:19,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57483266] [2022-10-15 22:10:19,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:19,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:20,089 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 22:10:20,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:20,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57483266] [2022-10-15 22:10:20,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57483266] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:20,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:20,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:20,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925695366] [2022-10-15 22:10:20,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:20,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:20,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:20,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:20,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:20,093 INFO L87 Difference]: Start difference. First operand 1884 states and 2416 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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 22:10:20,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:20,867 INFO L93 Difference]: Finished difference Result 2360 states and 3152 transitions. [2022-10-15 22:10:20,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:10:20,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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 56 [2022-10-15 22:10:20,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:20,879 INFO L225 Difference]: With dead ends: 2360 [2022-10-15 22:10:20,879 INFO L226 Difference]: Without dead ends: 2018 [2022-10-15 22:10:20,882 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 22:10:20,887 INFO L413 NwaCegarLoop]: 1638 mSDtfsCounter, 3346 mSDsluCounter, 1805 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 3443 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:20,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 3443 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:20,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2022-10-15 22:10:20,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1880. [2022-10-15 22:10:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1880 states, 1832 states have (on average 1.3149563318777293) internal successors, (2409), 1879 states have internal predecessors, (2409), 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 22:10:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2409 transitions. [2022-10-15 22:10:20,987 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2409 transitions. Word has length 56 [2022-10-15 22:10:20,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:20,988 INFO L495 AbstractCegarLoop]: Abstraction has 1880 states and 2409 transitions. [2022-10-15 22:10:20,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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 22:10:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2409 transitions. [2022-10-15 22:10:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:10:20,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:20,992 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] [2022-10-15 22:10:20,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:10:20,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:20,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash -240589449, now seen corresponding path program 1 times [2022-10-15 22:10:20,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:20,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758665966] [2022-10-15 22:10:20,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:21,183 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 22:10:21,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:21,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758665966] [2022-10-15 22:10:21,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758665966] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:21,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:21,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:21,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393848925] [2022-10-15 22:10:21,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:21,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:21,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:21,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:21,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:21,188 INFO L87 Difference]: Start difference. First operand 1880 states and 2409 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 22:10:21,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:21,822 INFO L93 Difference]: Finished difference Result 2018 states and 2619 transitions. [2022-10-15 22:10:21,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:21,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2022-10-15 22:10:21,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:21,835 INFO L225 Difference]: With dead ends: 2018 [2022-10-15 22:10:21,835 INFO L226 Difference]: Without dead ends: 2013 [2022-10-15 22:10:21,837 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 22:10:21,838 INFO L413 NwaCegarLoop]: 1671 mSDtfsCounter, 1704 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 3154 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:21,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 3154 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:21,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2022-10-15 22:10:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 2009. [2022-10-15 22:10:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2009 states, 1964 states have (on average 1.329938900203666) internal successors, (2612), 2008 states have internal predecessors, (2612), 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 22:10:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2612 transitions. [2022-10-15 22:10:21,952 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2612 transitions. Word has length 56 [2022-10-15 22:10:21,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:21,952 INFO L495 AbstractCegarLoop]: Abstraction has 2009 states and 2612 transitions. [2022-10-15 22:10:21,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 22:10:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2612 transitions. [2022-10-15 22:10:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:10:21,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:21,958 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] [2022-10-15 22:10:21,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:10:21,958 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr168ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:21,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:21,959 INFO L85 PathProgramCache]: Analyzing trace with hash 79376059, now seen corresponding path program 1 times [2022-10-15 22:10:21,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:21,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778026454] [2022-10-15 22:10:21,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:21,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:22,175 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 22:10:22,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:22,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778026454] [2022-10-15 22:10:22,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778026454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:22,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:22,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:22,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030396273] [2022-10-15 22:10:22,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:22,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:22,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:22,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:22,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:22,183 INFO L87 Difference]: Start difference. First operand 2009 states and 2612 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 22:10:22,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:22,858 INFO L93 Difference]: Finished difference Result 2149 states and 2826 transitions. [2022-10-15 22:10:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:22,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2022-10-15 22:10:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:22,870 INFO L225 Difference]: With dead ends: 2149 [2022-10-15 22:10:22,870 INFO L226 Difference]: Without dead ends: 2141 [2022-10-15 22:10:22,871 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 22:10:22,872 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 1787 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:22,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1787 Valid, 3100 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:22,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-10-15 22:10:22,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 2135. [2022-10-15 22:10:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2135 states, 2096 states have (on average 1.3435114503816794) internal successors, (2816), 2134 states have internal predecessors, (2816), 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 22:10:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2816 transitions. [2022-10-15 22:10:23,007 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2816 transitions. Word has length 56 [2022-10-15 22:10:23,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:23,007 INFO L495 AbstractCegarLoop]: Abstraction has 2135 states and 2816 transitions. [2022-10-15 22:10:23,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 22:10:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2816 transitions. [2022-10-15 22:10:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:10:23,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:23,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:23,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:10:23,012 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr169ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:23,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:23,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1834307002, now seen corresponding path program 1 times [2022-10-15 22:10:23,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:23,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110274902] [2022-10-15 22:10:23,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:23,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:23,133 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 22:10:23,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:23,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110274902] [2022-10-15 22:10:23,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110274902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:23,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:23,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:23,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012251824] [2022-10-15 22:10:23,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:23,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:23,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:23,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:23,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:23,136 INFO L87 Difference]: Start difference. First operand 2135 states and 2816 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:23,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:23,773 INFO L93 Difference]: Finished difference Result 2139 states and 2816 transitions. [2022-10-15 22:10:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:23,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-15 22:10:23,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:23,785 INFO L225 Difference]: With dead ends: 2139 [2022-10-15 22:10:23,786 INFO L226 Difference]: Without dead ends: 2131 [2022-10-15 22:10:23,787 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 22:10:23,788 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 2206 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2206 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:23,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2206 Valid, 2785 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:23,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2022-10-15 22:10:23,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2127. [2022-10-15 22:10:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2096 states have (on average 1.3368320610687023) internal successors, (2802), 2126 states have internal predecessors, (2802), 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 22:10:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2802 transitions. [2022-10-15 22:10:23,903 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2802 transitions. Word has length 57 [2022-10-15 22:10:23,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:23,903 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 2802 transitions. [2022-10-15 22:10:23,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2802 transitions. [2022-10-15 22:10:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:10:23,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:23,908 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] [2022-10-15 22:10:23,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:10:23,908 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:23,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:23,909 INFO L85 PathProgramCache]: Analyzing trace with hash 721811193, now seen corresponding path program 1 times [2022-10-15 22:10:23,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:23,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493429184] [2022-10-15 22:10:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:23,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:24,055 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 22:10:24,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:24,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493429184] [2022-10-15 22:10:24,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493429184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:24,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:24,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:24,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583495409] [2022-10-15 22:10:24,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:24,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:24,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:24,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:24,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:24,058 INFO L87 Difference]: Start difference. First operand 2127 states and 2802 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:24,859 INFO L93 Difference]: Finished difference Result 2667 states and 3634 transitions. [2022-10-15 22:10:24,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:24,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:10:24,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:24,872 INFO L225 Difference]: With dead ends: 2667 [2022-10-15 22:10:24,872 INFO L226 Difference]: Without dead ends: 2263 [2022-10-15 22:10:24,874 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 22:10:24,875 INFO L413 NwaCegarLoop]: 1689 mSDtfsCounter, 3161 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3161 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:24,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3161 Valid, 3825 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2022-10-15 22:10:24,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2257. [2022-10-15 22:10:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2257 states, 2228 states have (on average 1.3464991023339319) internal successors, (3000), 2256 states have internal predecessors, (3000), 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 22:10:25,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 3000 transitions. [2022-10-15 22:10:25,008 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 3000 transitions. Word has length 58 [2022-10-15 22:10:25,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:25,008 INFO L495 AbstractCegarLoop]: Abstraction has 2257 states and 3000 transitions. [2022-10-15 22:10:25,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 3000 transitions. [2022-10-15 22:10:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:10:25,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:25,012 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] [2022-10-15 22:10:25,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:10:25,013 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr170ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:25,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:25,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1028939747, now seen corresponding path program 1 times [2022-10-15 22:10:25,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:25,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534502733] [2022-10-15 22:10:25,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:25,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:25,143 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 22:10:25,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:25,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534502733] [2022-10-15 22:10:25,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534502733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:25,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:25,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:25,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338246920] [2022-10-15 22:10:25,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:25,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:25,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:25,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:25,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:25,146 INFO L87 Difference]: Start difference. First operand 2257 states and 3000 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:25,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:25,880 INFO L93 Difference]: Finished difference Result 2797 states and 3832 transitions. [2022-10-15 22:10:25,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:25,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:10:25,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:25,894 INFO L225 Difference]: With dead ends: 2797 [2022-10-15 22:10:25,894 INFO L226 Difference]: Without dead ends: 2391 [2022-10-15 22:10:25,896 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 22:10:25,897 INFO L413 NwaCegarLoop]: 1666 mSDtfsCounter, 3694 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3694 SdHoareTripleChecker+Valid, 3210 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:25,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3694 Valid, 3210 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:25,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2022-10-15 22:10:26,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2385. [2022-10-15 22:10:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2360 states have (on average 1.3542372881355933) internal successors, (3196), 2384 states have internal predecessors, (3196), 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 22:10:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 3196 transitions. [2022-10-15 22:10:26,061 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 3196 transitions. Word has length 58 [2022-10-15 22:10:26,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:26,062 INFO L495 AbstractCegarLoop]: Abstraction has 2385 states and 3196 transitions. [2022-10-15 22:10:26,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 3196 transitions. [2022-10-15 22:10:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:10:26,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:26,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:26,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:10:26,067 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:26,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:26,068 INFO L85 PathProgramCache]: Analyzing trace with hash 901311685, now seen corresponding path program 1 times [2022-10-15 22:10:26,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:26,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933570895] [2022-10-15 22:10:26,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:26,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:26,241 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 22:10:26,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:26,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933570895] [2022-10-15 22:10:26,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933570895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:26,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:26,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:26,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525803677] [2022-10-15 22:10:26,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:26,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:26,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:26,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:26,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:26,244 INFO L87 Difference]: Start difference. First operand 2385 states and 3196 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:27,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:27,042 INFO L93 Difference]: Finished difference Result 2859 states and 3926 transitions. [2022-10-15 22:10:27,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:27,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:10:27,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:27,058 INFO L225 Difference]: With dead ends: 2859 [2022-10-15 22:10:27,058 INFO L226 Difference]: Without dead ends: 2855 [2022-10-15 22:10:27,060 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 22:10:27,061 INFO L413 NwaCegarLoop]: 1572 mSDtfsCounter, 3638 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3638 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:27,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3638 Valid, 3053 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:27,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2022-10-15 22:10:27,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2581. [2022-10-15 22:10:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2581 states, 2558 states have (on average 1.3717748240813135) internal successors, (3509), 2580 states have internal predecessors, (3509), 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 22:10:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2581 states and 3509 transitions. [2022-10-15 22:10:27,217 INFO L78 Accepts]: Start accepts. Automaton has 2581 states and 3509 transitions. Word has length 59 [2022-10-15 22:10:27,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:27,218 INFO L495 AbstractCegarLoop]: Abstraction has 2581 states and 3509 transitions. [2022-10-15 22:10:27,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:27,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3509 transitions. [2022-10-15 22:10:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:10:27,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:27,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:27,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:10:27,224 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:27,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:27,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1140579075, now seen corresponding path program 1 times [2022-10-15 22:10:27,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:27,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287085698] [2022-10-15 22:10:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:27,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:27,401 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 22:10:27,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:27,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287085698] [2022-10-15 22:10:27,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287085698] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:27,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:27,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:27,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142077664] [2022-10-15 22:10:27,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:27,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:27,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:27,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:27,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:27,405 INFO L87 Difference]: Start difference. First operand 2581 states and 3509 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:28,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:28,101 INFO L93 Difference]: Finished difference Result 2853 states and 3929 transitions. [2022-10-15 22:10:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:28,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:10:28,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:28,117 INFO L225 Difference]: With dead ends: 2853 [2022-10-15 22:10:28,117 INFO L226 Difference]: Without dead ends: 2848 [2022-10-15 22:10:28,119 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 22:10:28,120 INFO L413 NwaCegarLoop]: 1936 mSDtfsCounter, 464 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 4695 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:28,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 4695 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:28,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2022-10-15 22:10:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2578. [2022-10-15 22:10:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2578 states, 2558 states have (on average 1.3682564503518373) internal successors, (3500), 2577 states have internal predecessors, (3500), 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 22:10:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3500 transitions. [2022-10-15 22:10:28,287 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3500 transitions. Word has length 59 [2022-10-15 22:10:28,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:28,288 INFO L495 AbstractCegarLoop]: Abstraction has 2578 states and 3500 transitions. [2022-10-15 22:10:28,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3500 transitions. [2022-10-15 22:10:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:10:28,292 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:28,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:28,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:10:28,293 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr171ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:28,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1832358616, now seen corresponding path program 1 times [2022-10-15 22:10:28,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:28,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973000333] [2022-10-15 22:10:28,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:28,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:28,429 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 22:10:28,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:28,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973000333] [2022-10-15 22:10:28,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973000333] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:28,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:28,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:28,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901646158] [2022-10-15 22:10:28,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:28,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:28,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:28,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:28,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:28,432 INFO L87 Difference]: Start difference. First operand 2578 states and 3500 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:29,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:29,222 INFO L93 Difference]: Finished difference Result 3250 states and 4536 transitions. [2022-10-15 22:10:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:29,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:10:29,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:29,232 INFO L225 Difference]: With dead ends: 3250 [2022-10-15 22:10:29,233 INFO L226 Difference]: Without dead ends: 3240 [2022-10-15 22:10:29,234 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 22:10:29,235 INFO L413 NwaCegarLoop]: 1572 mSDtfsCounter, 3931 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3931 SdHoareTripleChecker+Valid, 2922 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:29,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3931 Valid, 2922 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:29,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2022-10-15 22:10:29,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2834. [2022-10-15 22:10:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 2820 states have (on average 1.3847517730496455) internal successors, (3905), 2833 states have internal predecessors, (3905), 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 22:10:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3905 transitions. [2022-10-15 22:10:29,416 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3905 transitions. Word has length 59 [2022-10-15 22:10:29,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:29,416 INFO L495 AbstractCegarLoop]: Abstraction has 2834 states and 3905 transitions. [2022-10-15 22:10:29,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3905 transitions. [2022-10-15 22:10:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:10:29,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:29,420 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] [2022-10-15 22:10:29,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:10:29,421 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:29,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2044995386, now seen corresponding path program 1 times [2022-10-15 22:10:29,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:29,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620231771] [2022-10-15 22:10:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:29,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:29,560 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 22:10:29,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:29,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620231771] [2022-10-15 22:10:29,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620231771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:29,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:29,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:29,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87662319] [2022-10-15 22:10:29,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:29,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:29,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:29,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:29,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:29,563 INFO L87 Difference]: Start difference. First operand 2834 states and 3905 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:30,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:30,272 INFO L93 Difference]: Finished difference Result 2904 states and 4007 transitions. [2022-10-15 22:10:30,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:30,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:10:30,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:30,281 INFO L225 Difference]: With dead ends: 2904 [2022-10-15 22:10:30,281 INFO L226 Difference]: Without dead ends: 2898 [2022-10-15 22:10:30,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:30,284 INFO L413 NwaCegarLoop]: 1732 mSDtfsCounter, 1712 mSDsluCounter, 1866 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 3598 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:30,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 3598 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:30,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2022-10-15 22:10:30,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2896. [2022-10-15 22:10:30,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 2883 states have (on average 1.3870967741935485) internal successors, (3999), 2895 states have internal predecessors, (3999), 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 22:10:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3999 transitions. [2022-10-15 22:10:30,458 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3999 transitions. Word has length 61 [2022-10-15 22:10:30,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:30,459 INFO L495 AbstractCegarLoop]: Abstraction has 2896 states and 3999 transitions. [2022-10-15 22:10:30,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3999 transitions. [2022-10-15 22:10:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:10:30,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:30,463 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] [2022-10-15 22:10:30,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:10:30,463 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:30,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:30,464 INFO L85 PathProgramCache]: Analyzing trace with hash -879806305, now seen corresponding path program 1 times [2022-10-15 22:10:30,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:30,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097766094] [2022-10-15 22:10:30,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:30,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:30,600 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 22:10:30,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:30,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097766094] [2022-10-15 22:10:30,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097766094] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:30,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:30,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:30,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142679624] [2022-10-15 22:10:30,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:30,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:30,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:30,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:30,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:30,602 INFO L87 Difference]: Start difference. First operand 2896 states and 3999 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:31,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:31,327 INFO L93 Difference]: Finished difference Result 3302 states and 4621 transitions. [2022-10-15 22:10:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:31,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:10:31,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:31,336 INFO L225 Difference]: With dead ends: 3302 [2022-10-15 22:10:31,337 INFO L226 Difference]: Without dead ends: 3298 [2022-10-15 22:10:31,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:31,339 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 1903 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 3615 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:31,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1903 Valid, 3615 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:31,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2022-10-15 22:10:31,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 3290. [2022-10-15 22:10:31,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 3279 states have (on average 1.4062214089661482) internal successors, (4611), 3289 states have internal predecessors, (4611), 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 22:10:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 4611 transitions. [2022-10-15 22:10:31,543 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 4611 transitions. Word has length 61 [2022-10-15 22:10:31,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:31,544 INFO L495 AbstractCegarLoop]: Abstraction has 3290 states and 4611 transitions. [2022-10-15 22:10:31,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 4611 transitions. [2022-10-15 22:10:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:10:31,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:31,548 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] [2022-10-15 22:10:31,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:10:31,548 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:31,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash -636177977, now seen corresponding path program 1 times [2022-10-15 22:10:31,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:31,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433628741] [2022-10-15 22:10:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:31,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:31,689 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 22:10:31,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:31,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433628741] [2022-10-15 22:10:31,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433628741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:31,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:31,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:31,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992739994] [2022-10-15 22:10:31,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:31,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:31,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:31,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:31,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:31,692 INFO L87 Difference]: Start difference. First operand 3290 states and 4611 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:32,611 INFO L93 Difference]: Finished difference Result 3492 states and 4917 transitions. [2022-10-15 22:10:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:32,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:10:32,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:32,620 INFO L225 Difference]: With dead ends: 3492 [2022-10-15 22:10:32,621 INFO L226 Difference]: Without dead ends: 3482 [2022-10-15 22:10:32,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:32,623 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 2082 mSDsluCounter, 2894 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 4610 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:32,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 4610 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:10:32,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2022-10-15 22:10:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3480. [2022-10-15 22:10:32,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3480 states, 3471 states have (on average 1.4131374243733794) internal successors, (4905), 3479 states have internal predecessors, (4905), 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 22:10:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 4905 transitions. [2022-10-15 22:10:32,855 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 4905 transitions. Word has length 61 [2022-10-15 22:10:32,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:32,855 INFO L495 AbstractCegarLoop]: Abstraction has 3480 states and 4905 transitions. [2022-10-15 22:10:32,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 4905 transitions. [2022-10-15 22:10:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:10:32,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:32,860 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] [2022-10-15 22:10:32,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:10:32,861 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:32,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:32,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1504190916, now seen corresponding path program 1 times [2022-10-15 22:10:32,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:32,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226060189] [2022-10-15 22:10:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:33,028 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 22:10:33,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:33,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226060189] [2022-10-15 22:10:33,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226060189] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:33,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:33,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:33,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100995962] [2022-10-15 22:10:33,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:33,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:33,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:33,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:33,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:33,032 INFO L87 Difference]: Start difference. First operand 3480 states and 4905 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 22:10:33,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:33,871 INFO L93 Difference]: Finished difference Result 4110 states and 5869 transitions. [2022-10-15 22:10:33,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:33,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 62 [2022-10-15 22:10:33,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:33,880 INFO L225 Difference]: With dead ends: 4110 [2022-10-15 22:10:33,880 INFO L226 Difference]: Without dead ends: 3228 [2022-10-15 22:10:33,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:33,884 INFO L413 NwaCegarLoop]: 1732 mSDtfsCounter, 2185 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 4475 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:33,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 4475 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:10:33,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2022-10-15 22:10:34,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 2590. [2022-10-15 22:10:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2590 states, 2583 states have (on average 1.3666279519938056) internal successors, (3530), 2589 states have internal predecessors, (3530), 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 22:10:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 3530 transitions. [2022-10-15 22:10:34,062 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 3530 transitions. Word has length 62 [2022-10-15 22:10:34,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:34,062 INFO L495 AbstractCegarLoop]: Abstraction has 2590 states and 3530 transitions. [2022-10-15 22:10:34,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 22:10:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3530 transitions. [2022-10-15 22:10:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:10:34,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:34,067 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] [2022-10-15 22:10:34,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:10:34,067 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:34,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:34,068 INFO L85 PathProgramCache]: Analyzing trace with hash 753398204, now seen corresponding path program 1 times [2022-10-15 22:10:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:34,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404824093] [2022-10-15 22:10:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:34,242 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 22:10:34,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:34,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404824093] [2022-10-15 22:10:34,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404824093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:34,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:34,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:34,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076279657] [2022-10-15 22:10:34,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:34,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:34,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:34,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:34,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:34,247 INFO L87 Difference]: Start difference. First operand 2590 states and 3530 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 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 22:10:34,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:34,788 INFO L93 Difference]: Finished difference Result 2654 states and 3622 transitions. [2022-10-15 22:10:34,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:34,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:10:34,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:34,795 INFO L225 Difference]: With dead ends: 2654 [2022-10-15 22:10:34,796 INFO L226 Difference]: Without dead ends: 2522 [2022-10-15 22:10:34,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:34,799 INFO L413 NwaCegarLoop]: 1942 mSDtfsCounter, 586 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:34,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 3548 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:10:34,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2022-10-15 22:10:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2519. [2022-10-15 22:10:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 2513 states have (on average 1.3621169916434541) internal successors, (3423), 2518 states have internal predecessors, (3423), 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 22:10:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3423 transitions. [2022-10-15 22:10:34,968 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3423 transitions. Word has length 64 [2022-10-15 22:10:34,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:34,968 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3423 transitions. [2022-10-15 22:10:34,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 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 22:10:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3423 transitions. [2022-10-15 22:10:34,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:10:34,973 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:34,973 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 22:10:34,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:10:34,974 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:34,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:34,974 INFO L85 PathProgramCache]: Analyzing trace with hash -437534482, now seen corresponding path program 1 times [2022-10-15 22:10:34,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:34,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192897324] [2022-10-15 22:10:34,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:34,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:35,167 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 22:10:35,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:35,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192897324] [2022-10-15 22:10:35,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192897324] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:35,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:35,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:35,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454532283] [2022-10-15 22:10:35,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:35,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:35,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:35,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:35,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:35,170 INFO L87 Difference]: Start difference. First operand 2519 states and 3423 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 22:10:35,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:35,776 INFO L93 Difference]: Finished difference Result 2587 states and 3523 transitions. [2022-10-15 22:10:35,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:35,777 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 22:10:35,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:35,782 INFO L225 Difference]: With dead ends: 2587 [2022-10-15 22:10:35,782 INFO L226 Difference]: Without dead ends: 2585 [2022-10-15 22:10:35,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:35,784 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 1700 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1700 SdHoareTripleChecker+Valid, 3422 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:35,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1700 Valid, 3422 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:35,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2022-10-15 22:10:35,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2453. [2022-10-15 22:10:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2453 states, 2447 states have (on average 1.3571720474049858) internal successors, (3321), 2452 states have internal predecessors, (3321), 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 22:10:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2453 states and 3321 transitions. [2022-10-15 22:10:35,947 INFO L78 Accepts]: Start accepts. Automaton has 2453 states and 3321 transitions. Word has length 77 [2022-10-15 22:10:35,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:35,947 INFO L495 AbstractCegarLoop]: Abstraction has 2453 states and 3321 transitions. [2022-10-15 22:10:35,947 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 22:10:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 3321 transitions. [2022-10-15 22:10:35,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:10:35,954 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:35,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:35,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:10:35,954 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr324ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:35,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:35,955 INFO L85 PathProgramCache]: Analyzing trace with hash 789175940, now seen corresponding path program 1 times [2022-10-15 22:10:35,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:35,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630432498] [2022-10-15 22:10:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:35,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:36,053 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 22:10:36,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:36,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630432498] [2022-10-15 22:10:36,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630432498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:36,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:36,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:36,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210235088] [2022-10-15 22:10:36,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:36,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:36,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:36,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:36,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:36,057 INFO L87 Difference]: Start difference. First operand 2453 states and 3321 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 22:10:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:36,664 INFO L93 Difference]: Finished difference Result 4445 states and 6366 transitions. [2022-10-15 22:10:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:36,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 22:10:36,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:36,673 INFO L225 Difference]: With dead ends: 4445 [2022-10-15 22:10:36,673 INFO L226 Difference]: Without dead ends: 3351 [2022-10-15 22:10:36,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:36,677 INFO L413 NwaCegarLoop]: 1644 mSDtfsCounter, 1041 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 2405 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:36,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 2405 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:10:36,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3351 states. [2022-10-15 22:10:36,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3351 to 3316. [2022-10-15 22:10:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3310 states have (on average 1.3960725075528702) internal successors, (4621), 3315 states have internal predecessors, (4621), 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 22:10:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4621 transitions. [2022-10-15 22:10:36,983 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4621 transitions. Word has length 81 [2022-10-15 22:10:36,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:36,983 INFO L495 AbstractCegarLoop]: Abstraction has 3316 states and 4621 transitions. [2022-10-15 22:10:36,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 22:10:36,984 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4621 transitions. [2022-10-15 22:10:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:10:36,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:36,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:36,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:10:36,992 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr324ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:36,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:36,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1204968766, now seen corresponding path program 1 times [2022-10-15 22:10:36,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:36,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235578873] [2022-10-15 22:10:36,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:36,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:37,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:37,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235578873] [2022-10-15 22:10:37,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235578873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:37,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:37,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:37,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975501940] [2022-10-15 22:10:37,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:37,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:37,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:37,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:37,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:37,130 INFO L87 Difference]: Start difference. First operand 3316 states and 4621 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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 22:10:38,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:38,093 INFO L93 Difference]: Finished difference Result 3432 states and 4791 transitions. [2022-10-15 22:10:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:38,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 22:10:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:38,102 INFO L225 Difference]: With dead ends: 3432 [2022-10-15 22:10:38,102 INFO L226 Difference]: Without dead ends: 3430 [2022-10-15 22:10:38,103 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 22:10:38,105 INFO L413 NwaCegarLoop]: 1951 mSDtfsCounter, 242 mSDsluCounter, 2888 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 4839 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:38,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 4839 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:38,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2022-10-15 22:10:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 3314. [2022-10-15 22:10:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 3310 states have (on average 1.3897280966767371) internal successors, (4600), 3313 states have internal predecessors, (4600), 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 22:10:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4600 transitions. [2022-10-15 22:10:38,409 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4600 transitions. Word has length 81 [2022-10-15 22:10:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:38,410 INFO L495 AbstractCegarLoop]: Abstraction has 3314 states and 4600 transitions. [2022-10-15 22:10:38,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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 22:10:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4600 transitions. [2022-10-15 22:10:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:10:38,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:38,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:38,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:10:38,416 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:38,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:38,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1666338084, now seen corresponding path program 1 times [2022-10-15 22:10:38,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:38,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210451905] [2022-10-15 22:10:38,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:38,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:38,599 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 22:10:38,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:38,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210451905] [2022-10-15 22:10:38,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210451905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:38,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:38,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:38,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042934062] [2022-10-15 22:10:38,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:38,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:38,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:38,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:38,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:38,604 INFO L87 Difference]: Start difference. First operand 3314 states and 4600 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 22:10:39,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:39,558 INFO L93 Difference]: Finished difference Result 3318 states and 4600 transitions. [2022-10-15 22:10:39,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:39,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 83 [2022-10-15 22:10:39,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:39,572 INFO L225 Difference]: With dead ends: 3318 [2022-10-15 22:10:39,572 INFO L226 Difference]: Without dead ends: 3316 [2022-10-15 22:10:39,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:39,580 INFO L413 NwaCegarLoop]: 1799 mSDtfsCounter, 1899 mSDsluCounter, 3004 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 4803 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:39,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1899 Valid, 4803 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:39,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2022-10-15 22:10:39,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3314. [2022-10-15 22:10:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 3310 states have (on average 1.387915407854985) internal successors, (4594), 3313 states have internal predecessors, (4594), 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 22:10:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4594 transitions. [2022-10-15 22:10:39,862 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4594 transitions. Word has length 83 [2022-10-15 22:10:39,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:39,862 INFO L495 AbstractCegarLoop]: Abstraction has 3314 states and 4594 transitions. [2022-10-15 22:10:39,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 22:10:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4594 transitions. [2022-10-15 22:10:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:10:39,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:39,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:39,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:10:39,868 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:39,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:39,869 INFO L85 PathProgramCache]: Analyzing trace with hash 703032142, now seen corresponding path program 1 times [2022-10-15 22:10:39,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:39,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292247507] [2022-10-15 22:10:39,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:39,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:40,060 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 22:10:40,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:40,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292247507] [2022-10-15 22:10:40,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292247507] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:40,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:40,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:40,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144031227] [2022-10-15 22:10:40,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:40,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:40,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:40,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:40,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:40,063 INFO L87 Difference]: Start difference. First operand 3314 states and 4594 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 22:10:40,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:40,752 INFO L93 Difference]: Finished difference Result 3436 states and 4775 transitions. [2022-10-15 22:10:40,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:40,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 83 [2022-10-15 22:10:40,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:40,760 INFO L225 Difference]: With dead ends: 3436 [2022-10-15 22:10:40,760 INFO L226 Difference]: Without dead ends: 3434 [2022-10-15 22:10:40,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:40,763 INFO L413 NwaCegarLoop]: 1621 mSDtfsCounter, 1846 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 3295 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:40,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 3295 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:10:40,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2022-10-15 22:10:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3194. [2022-10-15 22:10:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3190 states have (on average 1.3824451410658307) internal successors, (4410), 3193 states have internal predecessors, (4410), 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 22:10:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 4410 transitions. [2022-10-15 22:10:40,977 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 4410 transitions. Word has length 83 [2022-10-15 22:10:40,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:40,978 INFO L495 AbstractCegarLoop]: Abstraction has 3194 states and 4410 transitions. [2022-10-15 22:10:40,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 22:10:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 4410 transitions. [2022-10-15 22:10:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:10:40,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:40,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:40,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:10:40,984 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr327ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:40,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:40,985 INFO L85 PathProgramCache]: Analyzing trace with hash 116877815, now seen corresponding path program 1 times [2022-10-15 22:10:40,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:40,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124702562] [2022-10-15 22:10:40,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:40,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:41,163 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 22:10:41,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:41,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124702562] [2022-10-15 22:10:41,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124702562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:41,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:41,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:41,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472860086] [2022-10-15 22:10:41,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:41,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:41,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:41,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:41,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:41,167 INFO L87 Difference]: Start difference. First operand 3194 states and 4410 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 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 22:10:41,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:41,971 INFO L93 Difference]: Finished difference Result 3702 states and 5185 transitions. [2022-10-15 22:10:41,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:41,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 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 84 [2022-10-15 22:10:41,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:41,976 INFO L225 Difference]: With dead ends: 3702 [2022-10-15 22:10:41,976 INFO L226 Difference]: Without dead ends: 2745 [2022-10-15 22:10:41,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:41,983 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1973 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 4617 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:41,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 4617 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2022-10-15 22:10:42,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 2351. [2022-10-15 22:10:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2351 states, 2350 states have (on average 1.3293617021276596) internal successors, (3124), 2350 states have internal predecessors, (3124), 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 22:10:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2351 states and 3124 transitions. [2022-10-15 22:10:42,191 INFO L78 Accepts]: Start accepts. Automaton has 2351 states and 3124 transitions. Word has length 84 [2022-10-15 22:10:42,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:42,191 INFO L495 AbstractCegarLoop]: Abstraction has 2351 states and 3124 transitions. [2022-10-15 22:10:42,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 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 22:10:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 3124 transitions. [2022-10-15 22:10:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:10:42,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:42,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:42,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:10:42,197 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:42,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:42,197 INFO L85 PathProgramCache]: Analyzing trace with hash -656034095, now seen corresponding path program 1 times [2022-10-15 22:10:42,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:42,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288553314] [2022-10-15 22:10:42,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:42,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:42,362 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 22:10:42,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:42,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288553314] [2022-10-15 22:10:42,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288553314] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:42,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:42,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:42,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80333465] [2022-10-15 22:10:42,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:42,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:42,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:42,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:42,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:42,366 INFO L87 Difference]: Start difference. First operand 2351 states and 3124 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 22:10:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:43,002 INFO L93 Difference]: Finished difference Result 2533 states and 3398 transitions. [2022-10-15 22:10:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:43,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 86 [2022-10-15 22:10:43,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:43,007 INFO L225 Difference]: With dead ends: 2533 [2022-10-15 22:10:43,008 INFO L226 Difference]: Without dead ends: 2351 [2022-10-15 22:10:43,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:43,010 INFO L413 NwaCegarLoop]: 2035 mSDtfsCounter, 316 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:43,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 3786 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:10:43,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2022-10-15 22:10:43,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 2230. [2022-10-15 22:10:43,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2230 states, 2229 states have (on average 1.3185284881112607) internal successors, (2939), 2229 states have internal predecessors, (2939), 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 22:10:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 2939 transitions. [2022-10-15 22:10:43,257 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 2939 transitions. Word has length 86 [2022-10-15 22:10:43,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:43,258 INFO L495 AbstractCegarLoop]: Abstraction has 2230 states and 2939 transitions. [2022-10-15 22:10:43,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 22:10:43,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2939 transitions. [2022-10-15 22:10:43,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:10:43,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:43,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:43,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:10:43,263 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:43,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:43,264 INFO L85 PathProgramCache]: Analyzing trace with hash -546917705, now seen corresponding path program 1 times [2022-10-15 22:10:43,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:43,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427645899] [2022-10-15 22:10:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:43,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:43,445 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 22:10:43,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:43,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427645899] [2022-10-15 22:10:43,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427645899] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:43,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:43,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:43,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589432720] [2022-10-15 22:10:43,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:43,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:43,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:43,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:43,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:43,447 INFO L87 Difference]: Start difference. First operand 2230 states and 2939 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 22:10:43,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:43,967 INFO L93 Difference]: Finished difference Result 2525 states and 3381 transitions. [2022-10-15 22:10:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:43,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 86 [2022-10-15 22:10:43,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:43,972 INFO L225 Difference]: With dead ends: 2525 [2022-10-15 22:10:43,972 INFO L226 Difference]: Without dead ends: 2289 [2022-10-15 22:10:43,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:43,974 INFO L413 NwaCegarLoop]: 2015 mSDtfsCounter, 339 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:43,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 3896 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:10:43,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2022-10-15 22:10:44,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2288. [2022-10-15 22:10:44,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2288 states, 2287 states have (on average 1.3218189768255357) internal successors, (3023), 2287 states have internal predecessors, (3023), 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 22:10:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 2288 states and 3023 transitions. [2022-10-15 22:10:44,183 INFO L78 Accepts]: Start accepts. Automaton has 2288 states and 3023 transitions. Word has length 86 [2022-10-15 22:10:44,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:44,183 INFO L495 AbstractCegarLoop]: Abstraction has 2288 states and 3023 transitions. [2022-10-15 22:10:44,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 22:10:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 3023 transitions. [2022-10-15 22:10:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 22:10:44,188 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:44,189 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:44,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:10:44,189 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:44,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:44,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1041513661, now seen corresponding path program 1 times [2022-10-15 22:10:44,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:44,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953732503] [2022-10-15 22:10:44,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:44,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:10:44,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:44,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953732503] [2022-10-15 22:10:44,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953732503] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:44,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:44,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:44,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788355729] [2022-10-15 22:10:44,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:44,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:44,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:44,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:44,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:44,288 INFO L87 Difference]: Start difference. First operand 2288 states and 3023 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 22:10:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:44,626 INFO L93 Difference]: Finished difference Result 3956 states and 5449 transitions. [2022-10-15 22:10:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:44,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 102 [2022-10-15 22:10:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:44,632 INFO L225 Difference]: With dead ends: 3956 [2022-10-15 22:10:44,632 INFO L226 Difference]: Without dead ends: 2728 [2022-10-15 22:10:44,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:44,635 INFO L413 NwaCegarLoop]: 1802 mSDtfsCounter, 1235 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 2350 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:44,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 2350 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:44,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2728 states. [2022-10-15 22:10:44,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2728 to 2728. [2022-10-15 22:10:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2728 states, 2727 states have (on average 1.3274660799413274) internal successors, (3620), 2727 states have internal predecessors, (3620), 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 22:10:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3620 transitions. [2022-10-15 22:10:44,915 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3620 transitions. Word has length 102 [2022-10-15 22:10:44,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:44,915 INFO L495 AbstractCegarLoop]: Abstraction has 2728 states and 3620 transitions. [2022-10-15 22:10:44,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 22:10:44,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3620 transitions. [2022-10-15 22:10:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-15 22:10:44,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:44,922 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:44,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:10:44,922 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:44,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:44,922 INFO L85 PathProgramCache]: Analyzing trace with hash 580958364, now seen corresponding path program 1 times [2022-10-15 22:10:44,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:44,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393800870] [2022-10-15 22:10:44,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:44,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:45,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:45,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393800870] [2022-10-15 22:10:45,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393800870] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:45,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:45,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:10:45,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667981016] [2022-10-15 22:10:45,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:45,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:45,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:45,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:45,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:45,073 INFO L87 Difference]: Start difference. First operand 2728 states and 3620 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:47,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:47,058 INFO L93 Difference]: Finished difference Result 6672 states and 9254 transitions. [2022-10-15 22:10:47,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:10:47,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-15 22:10:47,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:47,067 INFO L225 Difference]: With dead ends: 6672 [2022-10-15 22:10:47,067 INFO L226 Difference]: Without dead ends: 5333 [2022-10-15 22:10:47,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:10:47,072 INFO L413 NwaCegarLoop]: 1102 mSDtfsCounter, 3117 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3117 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:47,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3117 Valid, 2584 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:10:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2022-10-15 22:10:47,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 3111. [2022-10-15 22:10:47,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3111 states, 3110 states have (on average 1.2916398713826367) internal successors, (4017), 3110 states have internal predecessors, (4017), 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 22:10:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 3111 states and 4017 transitions. [2022-10-15 22:10:47,516 INFO L78 Accepts]: Start accepts. Automaton has 3111 states and 4017 transitions. Word has length 103 [2022-10-15 22:10:47,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:47,516 INFO L495 AbstractCegarLoop]: Abstraction has 3111 states and 4017 transitions. [2022-10-15 22:10:47,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3111 states and 4017 transitions. [2022-10-15 22:10:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 22:10:47,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:47,523 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:47,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:10:47,523 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:47,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:47,524 INFO L85 PathProgramCache]: Analyzing trace with hash -898325621, now seen corresponding path program 1 times [2022-10-15 22:10:47,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:47,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515662406] [2022-10-15 22:10:47,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:47,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:47,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:47,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515662406] [2022-10-15 22:10:47,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515662406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:47,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:47,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:47,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182483300] [2022-10-15 22:10:47,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:47,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:47,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:47,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:47,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:47,623 INFO L87 Difference]: Start difference. First operand 3111 states and 4017 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 22:10:48,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:48,091 INFO L93 Difference]: Finished difference Result 4251 states and 5583 transitions. [2022-10-15 22:10:48,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:48,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 106 [2022-10-15 22:10:48,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:48,095 INFO L225 Difference]: With dead ends: 4251 [2022-10-15 22:10:48,095 INFO L226 Difference]: Without dead ends: 2137 [2022-10-15 22:10:48,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:48,099 INFO L413 NwaCegarLoop]: 1745 mSDtfsCounter, 474 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 3004 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:48,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 3004 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2022-10-15 22:10:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 2137. [2022-10-15 22:10:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2137 states, 2136 states have (on average 1.2963483146067416) internal successors, (2769), 2136 states have internal predecessors, (2769), 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 22:10:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 2769 transitions. [2022-10-15 22:10:48,315 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 2769 transitions. Word has length 106 [2022-10-15 22:10:48,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:48,315 INFO L495 AbstractCegarLoop]: Abstraction has 2137 states and 2769 transitions. [2022-10-15 22:10:48,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 22:10:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2769 transitions. [2022-10-15 22:10:48,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 22:10:48,320 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:48,320 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:48,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:10:48,321 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:48,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:48,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1038471274, now seen corresponding path program 1 times [2022-10-15 22:10:48,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:48,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032041588] [2022-10-15 22:10:48,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:48,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:10:48,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:48,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032041588] [2022-10-15 22:10:48,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032041588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:48,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:48,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:48,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250521059] [2022-10-15 22:10:48,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:48,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:48,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:48,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:48,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:48,400 INFO L87 Difference]: Start difference. First operand 2137 states and 2769 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 22:10:49,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:49,394 INFO L93 Difference]: Finished difference Result 4709 states and 6237 transitions. [2022-10-15 22:10:49,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:49,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 108 [2022-10-15 22:10:49,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:49,398 INFO L225 Difference]: With dead ends: 4709 [2022-10-15 22:10:49,398 INFO L226 Difference]: Without dead ends: 3524 [2022-10-15 22:10:49,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:49,401 INFO L413 NwaCegarLoop]: 1036 mSDtfsCounter, 682 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:49,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 1590 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:49,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3524 states. [2022-10-15 22:10:49,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3524 to 3523. [2022-10-15 22:10:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3523 states, 3522 states have (on average 1.301533219761499) internal successors, (4584), 3522 states have internal predecessors, (4584), 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 22:10:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 4584 transitions. [2022-10-15 22:10:49,814 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 4584 transitions. Word has length 108 [2022-10-15 22:10:49,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:49,814 INFO L495 AbstractCegarLoop]: Abstraction has 3523 states and 4584 transitions. [2022-10-15 22:10:49,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 22:10:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 4584 transitions. [2022-10-15 22:10:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 22:10:49,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:49,821 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:49,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:10:49,821 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:49,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:49,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1981393333, now seen corresponding path program 1 times [2022-10-15 22:10:49,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:49,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896905422] [2022-10-15 22:10:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:49,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 22:10:49,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:49,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896905422] [2022-10-15 22:10:49,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896905422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:49,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:49,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:49,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121023589] [2022-10-15 22:10:49,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:49,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:49,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:49,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:49,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:49,926 INFO L87 Difference]: Start difference. First operand 3523 states and 4584 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 22:10:50,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:50,640 INFO L93 Difference]: Finished difference Result 7862 states and 10393 transitions. [2022-10-15 22:10:50,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:50,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 108 [2022-10-15 22:10:50,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:50,646 INFO L225 Difference]: With dead ends: 7862 [2022-10-15 22:10:50,646 INFO L226 Difference]: Without dead ends: 3754 [2022-10-15 22:10:50,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:50,651 INFO L413 NwaCegarLoop]: 1433 mSDtfsCounter, 697 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:50,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 2148 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:10:50,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3754 states. [2022-10-15 22:10:51,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3754 to 3616. [2022-10-15 22:10:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3616 states, 3615 states have (on average 1.2998616874135547) internal successors, (4699), 3615 states have internal predecessors, (4699), 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 22:10:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 4699 transitions. [2022-10-15 22:10:51,142 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 4699 transitions. Word has length 108 [2022-10-15 22:10:51,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:51,142 INFO L495 AbstractCegarLoop]: Abstraction has 3616 states and 4699 transitions. [2022-10-15 22:10:51,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 22:10:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 4699 transitions. [2022-10-15 22:10:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 22:10:51,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:51,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:51,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 22:10:51,150 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 22:10:51,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:51,150 INFO L85 PathProgramCache]: Analyzing trace with hash 156585831, now seen corresponding path program 1 times [2022-10-15 22:10:51,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:51,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103552617] [2022-10-15 22:10:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:51,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:51,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103552617] [2022-10-15 22:10:51,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103552617] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:10:51,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407368913] [2022-10-15 22:10:51,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:51,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:10:51,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:10:51,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:10:51,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 22:10:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:51,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:10:51,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:10:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:10:51,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:10:51,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407368913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:51,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:10:51,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:10:51,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062936460] [2022-10-15 22:10:51,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:51,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:51,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:51,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:51,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:10:51,640 INFO L87 Difference]: Start difference. First operand 3616 states and 4699 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 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 22:10:52,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:52,166 INFO L93 Difference]: Finished difference Result 5159 states and 6755 transitions. [2022-10-15 22:10:52,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:52,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-15 22:10:52,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:52,170 INFO L225 Difference]: With dead ends: 5159 [2022-10-15 22:10:52,170 INFO L226 Difference]: Without dead ends: 1866 [2022-10-15 22:10:52,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:10:52,174 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 1064 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:52,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 340 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:10:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states.