/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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:22:24,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:22:24,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:22:25,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:22:25,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:22:25,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:22:25,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:22:25,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:22:25,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:22:25,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:22:25,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:22:25,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:22:25,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:22:25,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:22:25,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:22:25,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:22:25,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:22:25,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:22:25,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:22:25,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:22:25,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:22:25,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:22:25,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:22:25,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:22:25,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:22:25,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:22:25,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:22:25,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:22:25,151 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 22:22:25,205 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:22:25,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:22:25,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:22:25,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:22:25,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:22:25,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:22:25,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:22:25,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:22:25,212 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:22:25,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:22:25,213 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:22:25,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:22:25,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:22:25,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:22:25,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:22:25,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:22:25,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:22:25,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:22:25,214 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:22:25,215 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:22:25,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:22:25,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:22:25,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:22:25,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:22:25,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:22:25,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:22:25,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:22:25,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:22:25,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:22:25,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:22:25,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:22:25,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:22:25,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:22:25,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:22:25,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:22:25,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:22:25,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:22:25,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:22:25,635 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:22:25,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:22:25,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3779b20de/47d3138aa2844fae9298a9f396af81c8/FLAG8f5fb751f [2022-10-15 22:22:26,477 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:22:26,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:22:26,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3779b20de/47d3138aa2844fae9298a9f396af81c8/FLAG8f5fb751f [2022-10-15 22:22:26,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3779b20de/47d3138aa2844fae9298a9f396af81c8 [2022-10-15 22:22:26,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:22:26,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:22:26,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:22:26,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:22:26,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:22:26,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:22:26" (1/1) ... [2022-10-15 22:22:26,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0fec50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:26, skipping insertion in model container [2022-10-15 22:22:26,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:22:26" (1/1) ... [2022-10-15 22:22:26,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:22:26,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:22:27,183 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15593,15606] [2022-10-15 22:22:27,206 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16240,16253] [2022-10-15 22:22:27,221 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17624,17637] [2022-10-15 22:22:27,235 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18600,18613] [2022-10-15 22:22:27,358 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27965,27978] [2022-10-15 22:22:27,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:22:27,488 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:22:27,650 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15593,15606] [2022-10-15 22:22:27,666 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16240,16253] [2022-10-15 22:22:27,694 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17624,17637] [2022-10-15 22:22:27,715 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18600,18613] [2022-10-15 22:22:27,765 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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27965,27978] [2022-10-15 22:22:27,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:22:27,845 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:22:27,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27 WrapperNode [2022-10-15 22:22:27,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:22:27,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:22:27,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:22:27,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:22:27,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:27,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:27,986 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1898 [2022-10-15 22:22:27,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:22:27,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:22:27,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:22:27,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:22:28,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:22:28,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:22:28,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:22:28,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:22:28,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:28,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:22:28,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:22:28,188 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 22:22:28,212 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 22:22:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:22:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:22:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:22:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:22:28,505 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:22:28,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:22:30,280 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:22:30,299 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:22:30,299 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:22:30,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:22:30 BoogieIcfgContainer [2022-10-15 22:22:30,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:22:30,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:22:30,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:22:30,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:22:30,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:22:26" (1/3) ... [2022-10-15 22:22:30,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f8f197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:22:30, skipping insertion in model container [2022-10-15 22:22:30,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27" (2/3) ... [2022-10-15 22:22:30,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f8f197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:22:30, skipping insertion in model container [2022-10-15 22:22:30,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:22:30" (3/3) ... [2022-10-15 22:22:30,314 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:22:30,335 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:22:30,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 202 error locations. [2022-10-15 22:22:30,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:22:30,432 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;@3d71a8f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:22:30,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 202 error locations. [2022-10-15 22:22:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 815 states, 612 states have (on average 1.8709150326797386) internal successors, (1145), 814 states have internal predecessors, (1145), 0 states have call successors, (0), 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 22:22:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:22:30,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:30,454 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 22:22:30,455 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:30,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:30,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2003684830, now seen corresponding path program 1 times [2022-10-15 22:22:30,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:30,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578751687] [2022-10-15 22:22:30,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:30,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:31,128 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 22:22:31,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:31,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578751687] [2022-10-15 22:22:31,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578751687] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:31,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:31,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:22:31,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495754134] [2022-10-15 22:22:31,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:31,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:22:31,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:31,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:22:31,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:31,181 INFO L87 Difference]: Start difference. First operand has 815 states, 612 states have (on average 1.8709150326797386) internal successors, (1145), 814 states have internal predecessors, (1145), 0 states have call successors, (0), 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 3 states, 2 states have (on average 30.5) internal successors, (61), 3 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 22:22:31,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:31,727 INFO L93 Difference]: Finished difference Result 966 states and 1367 transitions. [2022-10-15 22:22:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:22:31,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 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 22:22:31,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:31,763 INFO L225 Difference]: With dead ends: 966 [2022-10-15 22:22:31,763 INFO L226 Difference]: Without dead ends: 910 [2022-10-15 22:22:31,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:31,774 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 783 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:31,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1229 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:22:31,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-10-15 22:22:31,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 890. [2022-10-15 22:22:31,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 724 states have (on average 1.6022099447513811) internal successors, (1160), 889 states have internal predecessors, (1160), 0 states have call successors, (0), 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 22:22:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1160 transitions. [2022-10-15 22:22:31,903 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1160 transitions. Word has length 61 [2022-10-15 22:22:31,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:31,904 INFO L495 AbstractCegarLoop]: Abstraction has 890 states and 1160 transitions. [2022-10-15 22:22:31,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 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 22:22:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1160 transitions. [2022-10-15 22:22:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:22:31,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:31,907 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 22:22:31,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:22:31,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:31,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:31,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1984687310, now seen corresponding path program 1 times [2022-10-15 22:22:31,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:31,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401675126] [2022-10-15 22:22:31,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:32,078 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 22:22:32,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:32,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401675126] [2022-10-15 22:22:32,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401675126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:32,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:32,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:22:32,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318172314] [2022-10-15 22:22:32,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:32,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:22:32,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:32,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:22:32,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:32,083 INFO L87 Difference]: Start difference. First operand 890 states and 1160 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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 22:22:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:32,487 INFO L93 Difference]: Finished difference Result 913 states and 1160 transitions. [2022-10-15 22:22:32,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:22:32,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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 22:22:32,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:32,494 INFO L225 Difference]: With dead ends: 913 [2022-10-15 22:22:32,494 INFO L226 Difference]: Without dead ends: 900 [2022-10-15 22:22:32,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:32,497 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 659 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:32,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1078 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:22:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2022-10-15 22:22:32,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 880. [2022-10-15 22:22:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 724 states have (on average 1.5842541436464088) internal successors, (1147), 879 states have internal predecessors, (1147), 0 states have call successors, (0), 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 22:22:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1147 transitions. [2022-10-15 22:22:32,577 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1147 transitions. Word has length 62 [2022-10-15 22:22:32,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:32,577 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1147 transitions. [2022-10-15 22:22:32,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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 22:22:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1147 transitions. [2022-10-15 22:22:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:22:32,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:32,580 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] [2022-10-15 22:22:32,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:22:32,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:32,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:32,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1395764188, now seen corresponding path program 1 times [2022-10-15 22:22:32,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:32,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80491350] [2022-10-15 22:22:32,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:32,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:32,790 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 22:22:32,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:32,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80491350] [2022-10-15 22:22:32,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80491350] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:32,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:32,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:32,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840893366] [2022-10-15 22:22:32,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:32,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:32,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:32,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:32,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:32,798 INFO L87 Difference]: Start difference. First operand 880 states and 1147 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 22:22:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:33,550 INFO L93 Difference]: Finished difference Result 1738 states and 2401 transitions. [2022-10-15 22:22:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:22:33,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-15 22:22:33,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:33,562 INFO L225 Difference]: With dead ends: 1738 [2022-10-15 22:22:33,562 INFO L226 Difference]: Without dead ends: 1460 [2022-10-15 22:22:33,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:22:33,572 INFO L413 NwaCegarLoop]: 725 mSDtfsCounter, 2740 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:33,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 2243 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:22:33,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2022-10-15 22:22:33,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1116. [2022-10-15 22:22:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 968 states have (on average 1.5960743801652892) internal successors, (1545), 1115 states have internal predecessors, (1545), 0 states have call successors, (0), 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 22:22:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1545 transitions. [2022-10-15 22:22:33,695 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1545 transitions. Word has length 63 [2022-10-15 22:22:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:33,696 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1545 transitions. [2022-10-15 22:22:33,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 22:22:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1545 transitions. [2022-10-15 22:22:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:22:33,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:33,702 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 22:22:33,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:22:33,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:33,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash -319016588, now seen corresponding path program 1 times [2022-10-15 22:22:33,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:33,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693223029] [2022-10-15 22:22:33,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:33,946 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 22:22:33,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:33,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693223029] [2022-10-15 22:22:33,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693223029] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:33,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:33,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:33,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444476719] [2022-10-15 22:22:33,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:33,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:33,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:33,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:33,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:33,950 INFO L87 Difference]: Start difference. First operand 1116 states and 1545 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 22:22:34,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:34,509 INFO L93 Difference]: Finished difference Result 1664 states and 2384 transitions. [2022-10-15 22:22:34,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:22:34,510 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 22:22:34,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:34,522 INFO L225 Difference]: With dead ends: 1664 [2022-10-15 22:22:34,523 INFO L226 Difference]: Without dead ends: 1639 [2022-10-15 22:22:34,527 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 22:22:34,536 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 3246 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:34,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 1343 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:22:34,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2022-10-15 22:22:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1585. [2022-10-15 22:22:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1454 states have (on average 1.607977991746905) internal successors, (2338), 1584 states have internal predecessors, (2338), 0 states have call successors, (0), 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 22:22:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2338 transitions. [2022-10-15 22:22:34,696 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2338 transitions. Word has length 64 [2022-10-15 22:22:34,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:34,698 INFO L495 AbstractCegarLoop]: Abstraction has 1585 states and 2338 transitions. [2022-10-15 22:22:34,698 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 22:22:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2338 transitions. [2022-10-15 22:22:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:22:34,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:34,703 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] [2022-10-15 22:22:34,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:22:34,703 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:34,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:34,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1632253994, now seen corresponding path program 1 times [2022-10-15 22:22:34,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:34,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391386362] [2022-10-15 22:22:34,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:34,871 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 22:22:34,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:34,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391386362] [2022-10-15 22:22:34,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391386362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:34,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:34,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:34,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333881558] [2022-10-15 22:22:34,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:34,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:34,876 INFO L87 Difference]: Start difference. First operand 1585 states and 2338 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 22:22:35,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:35,349 INFO L93 Difference]: Finished difference Result 1974 states and 2951 transitions. [2022-10-15 22:22:35,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:35,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-15 22:22:35,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:35,361 INFO L225 Difference]: With dead ends: 1974 [2022-10-15 22:22:35,361 INFO L226 Difference]: Without dead ends: 1971 [2022-10-15 22:22:35,362 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 22:22:35,363 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 1005 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:35,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 1446 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:22:35,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2022-10-15 22:22:35,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1582. [2022-10-15 22:22:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1454 states have (on average 1.6059147180192572) internal successors, (2335), 1581 states have internal predecessors, (2335), 0 states have call successors, (0), 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 22:22:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2335 transitions. [2022-10-15 22:22:35,481 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2335 transitions. Word has length 66 [2022-10-15 22:22:35,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:35,481 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2335 transitions. [2022-10-15 22:22:35,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 22:22:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2335 transitions. [2022-10-15 22:22:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:22:35,483 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:35,483 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] [2022-10-15 22:22:35,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:22:35,483 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:35,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash 939734025, now seen corresponding path program 1 times [2022-10-15 22:22:35,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:35,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086097120] [2022-10-15 22:22:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:35,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:35,596 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 22:22:35,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:35,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086097120] [2022-10-15 22:22:35,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086097120] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:35,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:35,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:35,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887283503] [2022-10-15 22:22:35,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:35,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:35,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:35,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:35,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:35,599 INFO L87 Difference]: Start difference. First operand 1582 states and 2335 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 22:22:36,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:36,056 INFO L93 Difference]: Finished difference Result 2339 states and 3570 transitions. [2022-10-15 22:22:36,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:36,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-15 22:22:36,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:36,070 INFO L225 Difference]: With dead ends: 2339 [2022-10-15 22:22:36,070 INFO L226 Difference]: Without dead ends: 2332 [2022-10-15 22:22:36,071 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 22:22:36,072 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 1725 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:36,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 990 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:22:36,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2022-10-15 22:22:36,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 2302. [2022-10-15 22:22:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2302 states, 2180 states have (on average 1.6256880733944954) internal successors, (3544), 2301 states have internal predecessors, (3544), 0 states have call successors, (0), 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 22:22:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3544 transitions. [2022-10-15 22:22:36,235 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3544 transitions. Word has length 67 [2022-10-15 22:22:36,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:36,236 INFO L495 AbstractCegarLoop]: Abstraction has 2302 states and 3544 transitions. [2022-10-15 22:22:36,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 22:22:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3544 transitions. [2022-10-15 22:22:36,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:22:36,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:36,237 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] [2022-10-15 22:22:36,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:22:36,238 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:36,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:36,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1141275147, now seen corresponding path program 1 times [2022-10-15 22:22:36,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:36,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203069422] [2022-10-15 22:22:36,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:36,378 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 22:22:36,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:36,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203069422] [2022-10-15 22:22:36,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203069422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:36,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:36,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:36,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395384366] [2022-10-15 22:22:36,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:36,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:36,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:36,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:36,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:36,381 INFO L87 Difference]: Start difference. First operand 2302 states and 3544 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:22:36,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:36,878 INFO L93 Difference]: Finished difference Result 3057 states and 4779 transitions. [2022-10-15 22:22:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:36,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 22:22:36,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:36,896 INFO L225 Difference]: With dead ends: 3057 [2022-10-15 22:22:36,896 INFO L226 Difference]: Without dead ends: 3054 [2022-10-15 22:22:36,897 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 22:22:36,899 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 1040 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:36,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1392 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:22:36,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2022-10-15 22:22:37,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 2299. [2022-10-15 22:22:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2299 states, 2180 states have (on average 1.6243119266055046) internal successors, (3541), 2298 states have internal predecessors, (3541), 0 states have call successors, (0), 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 22:22:37,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 3541 transitions. [2022-10-15 22:22:37,087 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 3541 transitions. Word has length 69 [2022-10-15 22:22:37,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:37,088 INFO L495 AbstractCegarLoop]: Abstraction has 2299 states and 3541 transitions. [2022-10-15 22:22:37,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:22:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 3541 transitions. [2022-10-15 22:22:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:22:37,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:37,096 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] [2022-10-15 22:22:37,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:22:37,097 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:37,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:37,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1019791483, now seen corresponding path program 1 times [2022-10-15 22:22:37,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:37,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248568001] [2022-10-15 22:22:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:37,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:37,222 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 22:22:37,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:37,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248568001] [2022-10-15 22:22:37,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248568001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:37,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:37,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:37,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376412058] [2022-10-15 22:22:37,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:37,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:37,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:37,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:37,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:37,226 INFO L87 Difference]: Start difference. First operand 2299 states and 3541 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 22:22:37,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:37,959 INFO L93 Difference]: Finished difference Result 3782 states and 5993 transitions. [2022-10-15 22:22:37,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:37,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-15 22:22:37,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:37,982 INFO L225 Difference]: With dead ends: 3782 [2022-10-15 22:22:37,983 INFO L226 Difference]: Without dead ends: 3775 [2022-10-15 22:22:37,987 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 22:22:37,988 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 1713 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:37,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 967 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:22:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3775 states. [2022-10-15 22:22:38,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3775 to 3739. [2022-10-15 22:22:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3739 states, 3626 states have (on average 1.6406508549365693) internal successors, (5949), 3738 states have internal predecessors, (5949), 0 states have call successors, (0), 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 22:22:38,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 5949 transitions. [2022-10-15 22:22:38,339 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 5949 transitions. Word has length 70 [2022-10-15 22:22:38,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:38,346 INFO L495 AbstractCegarLoop]: Abstraction has 3739 states and 5949 transitions. [2022-10-15 22:22:38,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 22:22:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 5949 transitions. [2022-10-15 22:22:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:22:38,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:38,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:38,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:22:38,350 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:38,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:38,351 INFO L85 PathProgramCache]: Analyzing trace with hash 767081181, now seen corresponding path program 1 times [2022-10-15 22:22:38,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:38,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263797888] [2022-10-15 22:22:38,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:38,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:38,472 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 22:22:38,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:38,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263797888] [2022-10-15 22:22:38,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263797888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:38,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:38,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:38,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275159661] [2022-10-15 22:22:38,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:38,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:38,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:38,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:38,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:38,476 INFO L87 Difference]: Start difference. First operand 3739 states and 5949 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:39,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:39,214 INFO L93 Difference]: Finished difference Result 6791 states and 11012 transitions. [2022-10-15 22:22:39,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:39,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:22:39,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:39,266 INFO L225 Difference]: With dead ends: 6791 [2022-10-15 22:22:39,266 INFO L226 Difference]: Without dead ends: 6788 [2022-10-15 22:22:39,268 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 22:22:39,271 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 1115 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:39,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1431 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:39,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6788 states. [2022-10-15 22:22:39,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6788 to 3736. [2022-10-15 22:22:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 3626 states have (on average 1.639823496966354) internal successors, (5946), 3735 states have internal predecessors, (5946), 0 states have call successors, (0), 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 22:22:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5946 transitions. [2022-10-15 22:22:39,669 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5946 transitions. Word has length 72 [2022-10-15 22:22:39,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:39,669 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5946 transitions. [2022-10-15 22:22:39,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5946 transitions. [2022-10-15 22:22:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:22:39,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:39,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:39,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:22:39,671 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:39,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:39,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1990286864, now seen corresponding path program 1 times [2022-10-15 22:22:39,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:39,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044199061] [2022-10-15 22:22:39,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:39,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:39,776 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 22:22:39,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:39,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044199061] [2022-10-15 22:22:39,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044199061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:39,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:39,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:39,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38351743] [2022-10-15 22:22:39,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:39,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:39,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:39,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:39,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:39,779 INFO L87 Difference]: Start difference. First operand 3736 states and 5946 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:40,519 INFO L93 Difference]: Finished difference Result 6909 states and 11209 transitions. [2022-10-15 22:22:40,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:40,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 22:22:40,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:40,551 INFO L225 Difference]: With dead ends: 6909 [2022-10-15 22:22:40,551 INFO L226 Difference]: Without dead ends: 6902 [2022-10-15 22:22:40,554 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 22:22:40,555 INFO L413 NwaCegarLoop]: 727 mSDtfsCounter, 1733 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:40,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 1063 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:40,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6902 states. [2022-10-15 22:22:41,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6902 to 6852. [2022-10-15 22:22:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6852 states, 6748 states have (on average 1.648636633076467) internal successors, (11125), 6851 states have internal predecessors, (11125), 0 states have call successors, (0), 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 22:22:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6852 states to 6852 states and 11125 transitions. [2022-10-15 22:22:41,192 INFO L78 Accepts]: Start accepts. Automaton has 6852 states and 11125 transitions. Word has length 73 [2022-10-15 22:22:41,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:41,192 INFO L495 AbstractCegarLoop]: Abstraction has 6852 states and 11125 transitions. [2022-10-15 22:22:41,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 6852 states and 11125 transitions. [2022-10-15 22:22:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:22:41,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:41,194 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 22:22:41,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:22:41,195 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:41,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:41,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1880964862, now seen corresponding path program 1 times [2022-10-15 22:22:41,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:41,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731078732] [2022-10-15 22:22:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:41,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:41,303 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 22:22:41,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:41,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731078732] [2022-10-15 22:22:41,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731078732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:41,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:41,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:41,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572302965] [2022-10-15 22:22:41,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:41,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:41,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:41,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:41,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:41,306 INFO L87 Difference]: Start difference. First operand 6852 states and 11125 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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 22:22:42,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:42,321 INFO L93 Difference]: Finished difference Result 12662 states and 20789 transitions. [2022-10-15 22:22:42,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:42,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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 22:22:42,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:42,355 INFO L225 Difference]: With dead ends: 12662 [2022-10-15 22:22:42,355 INFO L226 Difference]: Without dead ends: 12659 [2022-10-15 22:22:42,360 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 22:22:42,361 INFO L413 NwaCegarLoop]: 999 mSDtfsCounter, 928 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:42,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1962 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:42,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12659 states. [2022-10-15 22:22:42,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12659 to 6849. [2022-10-15 22:22:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6849 states, 6748 states have (on average 1.6481920569057498) internal successors, (11122), 6848 states have internal predecessors, (11122), 0 states have call successors, (0), 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 22:22:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6849 states to 6849 states and 11122 transitions. [2022-10-15 22:22:43,004 INFO L78 Accepts]: Start accepts. Automaton has 6849 states and 11122 transitions. Word has length 83 [2022-10-15 22:22:43,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:43,005 INFO L495 AbstractCegarLoop]: Abstraction has 6849 states and 11122 transitions. [2022-10-15 22:22:43,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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 22:22:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 6849 states and 11122 transitions. [2022-10-15 22:22:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:22:43,006 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:43,006 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 22:22:43,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:22:43,007 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:43,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:43,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1819631090, now seen corresponding path program 1 times [2022-10-15 22:22:43,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:43,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062126455] [2022-10-15 22:22:43,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:43,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:43,124 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 22:22:43,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:43,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062126455] [2022-10-15 22:22:43,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062126455] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:43,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:43,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:43,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7738792] [2022-10-15 22:22:43,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:43,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:43,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:43,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:43,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:43,126 INFO L87 Difference]: Start difference. First operand 6849 states and 11122 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 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 22:22:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:44,179 INFO L93 Difference]: Finished difference Result 13143 states and 21570 transitions. [2022-10-15 22:22:44,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:44,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 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 22:22:44,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:44,214 INFO L225 Difference]: With dead ends: 13143 [2022-10-15 22:22:44,214 INFO L226 Difference]: Without dead ends: 13134 [2022-10-15 22:22:44,219 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 22:22:44,221 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 1675 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:44,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 1097 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:44,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13134 states. [2022-10-15 22:22:45,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13134 to 13112. [2022-10-15 22:22:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13112 states, 13018 states have (on average 1.6484098939929328) internal successors, (21459), 13111 states have internal predecessors, (21459), 0 states have call successors, (0), 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 22:22:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13112 states to 13112 states and 21459 transitions. [2022-10-15 22:22:45,428 INFO L78 Accepts]: Start accepts. Automaton has 13112 states and 21459 transitions. Word has length 84 [2022-10-15 22:22:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:45,428 INFO L495 AbstractCegarLoop]: Abstraction has 13112 states and 21459 transitions. [2022-10-15 22:22:45,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 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 22:22:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 13112 states and 21459 transitions. [2022-10-15 22:22:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 22:22:45,430 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:45,430 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] [2022-10-15 22:22:45,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:22:45,431 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:45,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:45,431 INFO L85 PathProgramCache]: Analyzing trace with hash -573988608, now seen corresponding path program 1 times [2022-10-15 22:22:45,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:45,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466226529] [2022-10-15 22:22:45,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:45,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:45,561 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 22:22:45,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:45,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466226529] [2022-10-15 22:22:45,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466226529] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:45,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:45,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:45,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357303419] [2022-10-15 22:22:45,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:45,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:45,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:45,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:45,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:45,564 INFO L87 Difference]: Start difference. First operand 13112 states and 21459 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 22:22:49,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:49,236 INFO L93 Difference]: Finished difference Result 49883 states and 82219 transitions. [2022-10-15 22:22:49,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:22:49,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-15 22:22:49,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:49,397 INFO L225 Difference]: With dead ends: 49883 [2022-10-15 22:22:49,398 INFO L226 Difference]: Without dead ends: 37308 [2022-10-15 22:22:49,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:22:49,435 INFO L413 NwaCegarLoop]: 1340 mSDtfsCounter, 1471 mSDsluCounter, 2045 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 3385 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:49,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 3385 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:22:49,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37308 states. [2022-10-15 22:22:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37308 to 25670. [2022-10-15 22:22:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25670 states, 25579 states have (on average 1.6406818092966886) internal successors, (41967), 25669 states have internal predecessors, (41967), 0 states have call successors, (0), 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 22:22:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25670 states to 25670 states and 41967 transitions. [2022-10-15 22:22:52,069 INFO L78 Accepts]: Start accepts. Automaton has 25670 states and 41967 transitions. Word has length 85 [2022-10-15 22:22:52,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:52,070 INFO L495 AbstractCegarLoop]: Abstraction has 25670 states and 41967 transitions. [2022-10-15 22:22:52,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 22:22:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 25670 states and 41967 transitions. [2022-10-15 22:22:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:22:52,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:52,071 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 22:22:52,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:22:52,072 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:22:52,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:52,072 INFO L85 PathProgramCache]: Analyzing trace with hash -613777328, now seen corresponding path program 1 times [2022-10-15 22:22:52,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:52,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2890293] [2022-10-15 22:22:52,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:52,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:52,227 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 22:22:52,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:52,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2890293] [2022-10-15 22:22:52,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2890293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:52,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:52,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:52,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174191526] [2022-10-15 22:22:52,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:52,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:52,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:52,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:52,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:52,230 INFO L87 Difference]: Start difference. First operand 25670 states and 41967 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 22:22:56,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:56,146 INFO L93 Difference]: Finished difference Result 38281 states and 62761 transitions. [2022-10-15 22:22:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:22:56,146 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 22:22:56,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:56,316 INFO L225 Difference]: With dead ends: 38281 [2022-10-15 22:22:56,316 INFO L226 Difference]: Without dead ends: 38272 [2022-10-15 22:22:56,344 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 22:22:56,345 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 2686 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2686 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:56,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2686 Valid, 1775 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:22:56,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38272 states. [2022-10-15 22:23:00,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38272 to 38207. [2022-10-15 22:23:00,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38207 states, 38121 states have (on average 1.6352404186668765) internal successors, (62337), 38206 states have internal predecessors, (62337), 0 states have call successors, (0), 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 22:23:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38207 states to 38207 states and 62337 transitions. [2022-10-15 22:23:00,401 INFO L78 Accepts]: Start accepts. Automaton has 38207 states and 62337 transitions. Word has length 86 [2022-10-15 22:23:00,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:00,402 INFO L495 AbstractCegarLoop]: Abstraction has 38207 states and 62337 transitions. [2022-10-15 22:23:00,402 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 22:23:00,402 INFO L276 IsEmpty]: Start isEmpty. Operand 38207 states and 62337 transitions. [2022-10-15 22:23:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 22:23:00,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:00,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:00,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:23:00,406 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:23:00,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:00,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1156889900, now seen corresponding path program 1 times [2022-10-15 22:23:00,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:00,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937783186] [2022-10-15 22:23:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:00,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:00,796 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 22:23:00,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:00,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937783186] [2022-10-15 22:23:00,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937783186] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:00,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:00,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:00,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071514264] [2022-10-15 22:23:00,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:00,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:00,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:00,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:00,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:00,799 INFO L87 Difference]: Start difference. First operand 38207 states and 62337 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 22:23:07,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:07,528 INFO L93 Difference]: Finished difference Result 110897 states and 181389 transitions. [2022-10-15 22:23:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:07,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2022-10-15 22:23:07,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:07,702 INFO L225 Difference]: With dead ends: 110897 [2022-10-15 22:23:07,702 INFO L226 Difference]: Without dead ends: 73075 [2022-10-15 22:23:07,776 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 22:23:07,776 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 455 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:07,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1633 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:23:07,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73075 states. [2022-10-15 22:23:14,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73075 to 72929. [2022-10-15 22:23:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72929 states, 72843 states have (on average 1.6373982400505196) internal successors, (119273), 72928 states have internal predecessors, (119273), 0 states have call successors, (0), 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 22:23:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72929 states to 72929 states and 119273 transitions. [2022-10-15 22:23:14,599 INFO L78 Accepts]: Start accepts. Automaton has 72929 states and 119273 transitions. Word has length 214 [2022-10-15 22:23:14,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:14,600 INFO L495 AbstractCegarLoop]: Abstraction has 72929 states and 119273 transitions. [2022-10-15 22:23:14,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 22:23:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 72929 states and 119273 transitions. [2022-10-15 22:23:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 22:23:14,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:14,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:14,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:23:14,611 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:23:14,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:14,612 INFO L85 PathProgramCache]: Analyzing trace with hash 637234868, now seen corresponding path program 1 times [2022-10-15 22:23:14,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:14,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706487375] [2022-10-15 22:23:14,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:14,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:15,163 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 22:23:15,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:15,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706487375] [2022-10-15 22:23:15,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706487375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:15,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:15,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:15,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057497197] [2022-10-15 22:23:15,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:15,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:23:15,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:15,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:23:15,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:23:15,169 INFO L87 Difference]: Start difference. First operand 72929 states and 119273 transitions. Second operand has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)