/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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:47:33,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:47:33,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:47:33,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:47:33,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:47:33,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:47:33,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:47:33,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:47:33,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:47:33,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:47:33,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:47:33,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 16:47:33,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:47:33,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:47:33,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:47:33,148 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 [2022-10-16 16:47:33,186 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:47:33,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:47:33,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:47:33,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:47:33,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:47:33,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:47:33,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:47:33,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:47:33,192 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:47:33,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:47:33,193 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:47:33,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:47:33,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:47:33,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:47:33,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:47:33,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:47:33,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:47:33,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:47:33,196 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:47:33,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:47:33,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:47:33,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:47:33,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:47:33,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:47:33,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:47:33,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:47:33,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:47:33,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:47:33,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:47:33,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:47:33,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:47:33,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:47:33,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:47:33,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:47:33,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:47:33,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:47:33,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:47:33,603 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:47:33,604 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:47:33,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:47:33,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04d38301b/5d3ab94eaa4c48918b8fdc3d74b71203/FLAG6457fbe49 [2022-10-16 16:47:34,565 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:47:34,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:47:34,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04d38301b/5d3ab94eaa4c48918b8fdc3d74b71203/FLAG6457fbe49 [2022-10-16 16:47:34,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04d38301b/5d3ab94eaa4c48918b8fdc3d74b71203 [2022-10-16 16:47:34,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:47:34,654 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:47:34,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:47:34,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:47:34,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:47:34,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:47:34" (1/1) ... [2022-10-16 16:47:34,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec9e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:34, skipping insertion in model container [2022-10-16 16:47:34,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:47:34" (1/1) ... [2022-10-16 16:47:34,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:47:34,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:47:35,497 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[34952,34965] [2022-10-16 16:47:35,516 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[35842,35855] [2022-10-16 16:47:35,547 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[37629,37642] [2022-10-16 16:47:35,572 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[38987,39000] [2022-10-16 16:47:35,743 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[53558,53571] [2022-10-16 16:47:35,891 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[62798,62811] [2022-10-16 16:47:35,914 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[63691,63704] [2022-10-16 16:47:35,951 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[65481,65494] [2022-10-16 16:47:35,972 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[66374,66387] [2022-10-16 16:47:36,015 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[69061,69074] [2022-10-16 16:47:36,034 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[69954,69967] [2022-10-16 16:47:36,074 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[71744,71757] [2022-10-16 16:47:36,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:47:36,206 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:47:36,519 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[34952,34965] [2022-10-16 16:47:36,537 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[35842,35855] [2022-10-16 16:47:36,565 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[37629,37642] [2022-10-16 16:47:36,590 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[38987,39000] [2022-10-16 16:47:36,773 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[53558,53571] [2022-10-16 16:47:36,898 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[62798,62811] [2022-10-16 16:47:36,915 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[63691,63704] [2022-10-16 16:47:36,951 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[65481,65494] [2022-10-16 16:47:36,967 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[66374,66387] [2022-10-16 16:47:37,001 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[69061,69074] [2022-10-16 16:47:37,019 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[69954,69967] [2022-10-16 16:47:37,046 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.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[71744,71757] [2022-10-16 16:47:37,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:47:37,148 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:47:37,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37 WrapperNode [2022-10-16 16:47:37,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:47:37,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:47:37,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:47:37,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:47:37,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,347 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4562 [2022-10-16 16:47:37,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:47:37,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:47:37,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:47:37,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:47:37,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,502 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:47:37,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:47:37,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:47:37,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:47:37,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (1/1) ... [2022-10-16 16:47:37,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:47:37,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:47:37,573 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) [2022-10-16 16:47:37,595 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 [2022-10-16 16:47:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:47:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:47:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:47:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:47:37,954 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:47:37,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:47:41,567 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:47:41,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:47:41,593 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:47:41,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:47:41 BoogieIcfgContainer [2022-10-16 16:47:41,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:47:41,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:47:41,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:47:41,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:47:41,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:47:34" (1/3) ... [2022-10-16 16:47:41,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30888789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:47:41, skipping insertion in model container [2022-10-16 16:47:41,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:37" (2/3) ... [2022-10-16 16:47:41,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30888789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:47:41, skipping insertion in model container [2022-10-16 16:47:41,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:47:41" (3/3) ... [2022-10-16 16:47:41,610 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:47:41,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:47:41,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 448 error locations. [2022-10-16 16:47:41,745 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:47:41,755 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;@35e2db27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:47:41,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 448 error locations. [2022-10-16 16:47:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 1859 states, 1410 states have (on average 1.871631205673759) internal successors, (2639), 1858 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:47:41,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:41,802 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] [2022-10-16 16:47:41,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:41,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:41,812 INFO L85 PathProgramCache]: Analyzing trace with hash -993213424, now seen corresponding path program 1 times [2022-10-16 16:47:41,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:41,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843574770] [2022-10-16 16:47:41,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:41,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:42,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:42,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843574770] [2022-10-16 16:47:42,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843574770] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:42,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:42,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:42,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5648289] [2022-10-16 16:47:42,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:42,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:42,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:42,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:42,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:42,785 INFO L87 Difference]: Start difference. First operand has 1859 states, 1410 states have (on average 1.871631205673759) internal successors, (2639), 1858 states have internal predecessors, (2639), 0 states have call successors, (0), 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 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:43,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:43,910 INFO L93 Difference]: Finished difference Result 2103 states and 2987 transitions. [2022-10-16 16:47:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:43,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 16:47:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:43,945 INFO L225 Difference]: With dead ends: 2103 [2022-10-16 16:47:43,945 INFO L226 Difference]: Without dead ends: 2052 [2022-10-16 16:47:43,951 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 [2022-10-16 16:47:43,955 INFO L413 NwaCegarLoop]: 2238 mSDtfsCounter, 1923 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 2864 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:43,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 2864 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:47:43,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2022-10-16 16:47:44,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 2010. [2022-10-16 16:47:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2010 states, 1579 states have (on average 1.6966434452184926) internal successors, (2679), 2009 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 2679 transitions. [2022-10-16 16:47:44,118 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 2679 transitions. Word has length 123 [2022-10-16 16:47:44,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:44,119 INFO L495 AbstractCegarLoop]: Abstraction has 2010 states and 2679 transitions. [2022-10-16 16:47:44,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2679 transitions. [2022-10-16 16:47:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:47:44,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:44,131 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] [2022-10-16 16:47:44,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:47:44,131 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:44,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:44,136 INFO L85 PathProgramCache]: Analyzing trace with hash -724844556, now seen corresponding path program 1 times [2022-10-16 16:47:44,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:44,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221482768] [2022-10-16 16:47:44,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:44,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:44,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:44,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221482768] [2022-10-16 16:47:44,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221482768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:44,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:44,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:44,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269403325] [2022-10-16 16:47:44,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:44,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:44,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:44,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:44,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:44,647 INFO L87 Difference]: Start difference. First operand 2010 states and 2679 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:45,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:45,257 INFO L93 Difference]: Finished difference Result 2055 states and 2679 transitions. [2022-10-16 16:47:45,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:45,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 16:47:45,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:45,270 INFO L225 Difference]: With dead ends: 2055 [2022-10-16 16:47:45,270 INFO L226 Difference]: Without dead ends: 2035 [2022-10-16 16:47:45,272 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 [2022-10-16 16:47:45,274 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 1708 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 2593 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:45,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 2593 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:47:45,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2022-10-16 16:47:45,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 1993. [2022-10-16 16:47:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1993 states, 1579 states have (on average 1.6839772007599747) internal successors, (2659), 1992 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 2659 transitions. [2022-10-16 16:47:45,382 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 2659 transitions. Word has length 124 [2022-10-16 16:47:45,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:45,383 INFO L495 AbstractCegarLoop]: Abstraction has 1993 states and 2659 transitions. [2022-10-16 16:47:45,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2659 transitions. [2022-10-16 16:47:45,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:47:45,392 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:45,393 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] [2022-10-16 16:47:45,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:47:45,393 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:45,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:45,395 INFO L85 PathProgramCache]: Analyzing trace with hash -995344238, now seen corresponding path program 1 times [2022-10-16 16:47:45,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:45,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435712890] [2022-10-16 16:47:45,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:45,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:45,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:45,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435712890] [2022-10-16 16:47:45,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435712890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:45,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:45,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:45,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400066903] [2022-10-16 16:47:45,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:45,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:45,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:45,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:45,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:45,731 INFO L87 Difference]: Start difference. First operand 1993 states and 2659 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:46,402 INFO L93 Difference]: Finished difference Result 2225 states and 2995 transitions. [2022-10-16 16:47:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:46,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-16 16:47:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:46,418 INFO L225 Difference]: With dead ends: 2225 [2022-10-16 16:47:46,419 INFO L226 Difference]: Without dead ends: 2208 [2022-10-16 16:47:46,421 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 [2022-10-16 16:47:46,427 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 1581 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:46,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 2636 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:47:46,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2022-10-16 16:47:46,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2172. [2022-10-16 16:47:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2172 states, 1772 states have (on average 1.68058690744921) internal successors, (2978), 2171 states have internal predecessors, (2978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 2978 transitions. [2022-10-16 16:47:46,552 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 2978 transitions. Word has length 125 [2022-10-16 16:47:46,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:46,553 INFO L495 AbstractCegarLoop]: Abstraction has 2172 states and 2978 transitions. [2022-10-16 16:47:46,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:46,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2978 transitions. [2022-10-16 16:47:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:47:46,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:46,556 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] [2022-10-16 16:47:46,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:47:46,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:46,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:46,560 INFO L85 PathProgramCache]: Analyzing trace with hash -790899786, now seen corresponding path program 1 times [2022-10-16 16:47:46,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:46,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773286260] [2022-10-16 16:47:46,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:46,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:46,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773286260] [2022-10-16 16:47:46,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773286260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:46,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:46,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:46,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875049819] [2022-10-16 16:47:46,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:46,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:46,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:46,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:46,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:46,841 INFO L87 Difference]: Start difference. First operand 2172 states and 2978 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:47,500 INFO L93 Difference]: Finished difference Result 2211 states and 2978 transitions. [2022-10-16 16:47:47,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:47,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 16:47:47,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:47,513 INFO L225 Difference]: With dead ends: 2211 [2022-10-16 16:47:47,514 INFO L226 Difference]: Without dead ends: 2194 [2022-10-16 16:47:47,516 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 [2022-10-16 16:47:47,517 INFO L413 NwaCegarLoop]: 2013 mSDtfsCounter, 1563 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:47,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 2639 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:47:47,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2022-10-16 16:47:47,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 2158. [2022-10-16 16:47:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 1772 states have (on average 1.6709932279909707) internal successors, (2961), 2157 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 2961 transitions. [2022-10-16 16:47:47,655 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 2961 transitions. Word has length 126 [2022-10-16 16:47:47,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:47,656 INFO L495 AbstractCegarLoop]: Abstraction has 2158 states and 2961 transitions. [2022-10-16 16:47:47,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2961 transitions. [2022-10-16 16:47:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:47:47,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:47,659 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] [2022-10-16 16:47:47,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:47:47,659 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1251910932, now seen corresponding path program 1 times [2022-10-16 16:47:47,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:47,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212523010] [2022-10-16 16:47:47,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:47,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:47,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212523010] [2022-10-16 16:47:47,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212523010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:47,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:47,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:47:47,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838358503] [2022-10-16 16:47:47,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:47,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:47:47,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:47,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:47:47,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:47:47,919 INFO L87 Difference]: Start difference. First operand 2158 states and 2961 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:49,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:49,691 INFO L93 Difference]: Finished difference Result 4026 states and 5661 transitions. [2022-10-16 16:47:49,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:47:49,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-16 16:47:49,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:49,710 INFO L225 Difference]: With dead ends: 4026 [2022-10-16 16:47:49,710 INFO L226 Difference]: Without dead ends: 3387 [2022-10-16 16:47:49,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:47:49,715 INFO L413 NwaCegarLoop]: 1883 mSDtfsCounter, 7102 mSDsluCounter, 6801 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7102 SdHoareTripleChecker+Valid, 8684 SdHoareTripleChecker+Invalid, 2256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:49,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7102 Valid, 8684 Invalid, 2256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:47:49,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3387 states. [2022-10-16 16:47:49,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3387 to 2725. [2022-10-16 16:47:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2351 states have (on average 1.6767333049766058) internal successors, (3942), 2724 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 3942 transitions. [2022-10-16 16:47:49,896 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 3942 transitions. Word has length 127 [2022-10-16 16:47:49,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:49,897 INFO L495 AbstractCegarLoop]: Abstraction has 2725 states and 3942 transitions. [2022-10-16 16:47:49,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3942 transitions. [2022-10-16 16:47:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 16:47:49,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:49,899 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] [2022-10-16 16:47:49,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:47:49,900 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:49,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:49,900 INFO L85 PathProgramCache]: Analyzing trace with hash 154533752, now seen corresponding path program 1 times [2022-10-16 16:47:49,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:49,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183936606] [2022-10-16 16:47:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:49,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:50,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:50,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183936606] [2022-10-16 16:47:50,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183936606] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:50,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:50,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:47:50,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911876374] [2022-10-16 16:47:50,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:50,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:47:50,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:50,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:47:50,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:47:50,177 INFO L87 Difference]: Start difference. First operand 2725 states and 3942 transitions. Second operand has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:51,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:51,724 INFO L93 Difference]: Finished difference Result 4470 states and 6662 transitions. [2022-10-16 16:47:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:47:51,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 16:47:51,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:51,749 INFO L225 Difference]: With dead ends: 4470 [2022-10-16 16:47:51,749 INFO L226 Difference]: Without dead ends: 4425 [2022-10-16 16:47:51,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:47:51,752 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 9406 mSDsluCounter, 2985 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9406 SdHoareTripleChecker+Valid, 4727 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:51,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9406 Valid, 4727 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:47:51,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4425 states. [2022-10-16 16:47:52,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4425 to 4233. [2022-10-16 16:47:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4233 states, 3892 states have (on average 1.6855087358684482) internal successors, (6560), 4232 states have internal predecessors, (6560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 4233 states and 6560 transitions. [2022-10-16 16:47:52,085 INFO L78 Accepts]: Start accepts. Automaton has 4233 states and 6560 transitions. Word has length 128 [2022-10-16 16:47:52,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:52,085 INFO L495 AbstractCegarLoop]: Abstraction has 4233 states and 6560 transitions. [2022-10-16 16:47:52,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 4233 states and 6560 transitions. [2022-10-16 16:47:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 16:47:52,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:52,088 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] [2022-10-16 16:47:52,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:47:52,088 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:52,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:52,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1816902822, now seen corresponding path program 1 times [2022-10-16 16:47:52,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:52,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710139307] [2022-10-16 16:47:52,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:52,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:52,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:52,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710139307] [2022-10-16 16:47:52,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710139307] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:52,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:52,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:52,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455274823] [2022-10-16 16:47:52,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:52,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:52,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:52,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:52,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:52,312 INFO L87 Difference]: Start difference. First operand 4233 states and 6560 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:53,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:53,331 INFO L93 Difference]: Finished difference Result 5436 states and 8563 transitions. [2022-10-16 16:47:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:53,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-16 16:47:53,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:53,365 INFO L225 Difference]: With dead ends: 5436 [2022-10-16 16:47:53,366 INFO L226 Difference]: Without dead ends: 5431 [2022-10-16 16:47:53,369 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 [2022-10-16 16:47:53,369 INFO L413 NwaCegarLoop]: 1931 mSDtfsCounter, 2456 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2456 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:53,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2456 Valid, 3676 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:47:53,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5431 states. [2022-10-16 16:47:53,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5431 to 4228. [2022-10-16 16:47:53,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4228 states, 3892 states have (on average 1.684224049331963) internal successors, (6555), 4227 states have internal predecessors, (6555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 4228 states and 6555 transitions. [2022-10-16 16:47:53,747 INFO L78 Accepts]: Start accepts. Automaton has 4228 states and 6555 transitions. Word has length 130 [2022-10-16 16:47:53,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:53,748 INFO L495 AbstractCegarLoop]: Abstraction has 4228 states and 6555 transitions. [2022-10-16 16:47:53,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 4228 states and 6555 transitions. [2022-10-16 16:47:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 16:47:53,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:53,751 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] [2022-10-16 16:47:53,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:47:53,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:53,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:53,752 INFO L85 PathProgramCache]: Analyzing trace with hash -489412103, now seen corresponding path program 1 times [2022-10-16 16:47:53,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:53,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325638409] [2022-10-16 16:47:53,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:53,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:53,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325638409] [2022-10-16 16:47:53,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325638409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:53,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:53,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:53,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076169583] [2022-10-16 16:47:53,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:53,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:53,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:53,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:53,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:53,935 INFO L87 Difference]: Start difference. First operand 4228 states and 6555 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:55,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:55,021 INFO L93 Difference]: Finished difference Result 6012 states and 9573 transitions. [2022-10-16 16:47:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:55,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 16:47:55,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:55,054 INFO L225 Difference]: With dead ends: 6012 [2022-10-16 16:47:55,055 INFO L226 Difference]: Without dead ends: 6002 [2022-10-16 16:47:55,058 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 [2022-10-16 16:47:55,059 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 3838 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3838 SdHoareTripleChecker+Valid, 2726 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:55,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3838 Valid, 2726 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:47:55,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2022-10-16 16:47:55,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 5947. [2022-10-16 16:47:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5947 states, 5620 states have (on average 1.696085409252669) internal successors, (9532), 5946 states have internal predecessors, (9532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5947 states to 5947 states and 9532 transitions. [2022-10-16 16:47:55,615 INFO L78 Accepts]: Start accepts. Automaton has 5947 states and 9532 transitions. Word has length 131 [2022-10-16 16:47:55,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:55,616 INFO L495 AbstractCegarLoop]: Abstraction has 5947 states and 9532 transitions. [2022-10-16 16:47:55,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5947 states and 9532 transitions. [2022-10-16 16:47:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 16:47:55,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:55,619 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] [2022-10-16 16:47:55,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:47:55,620 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:55,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:55,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2121388667, now seen corresponding path program 1 times [2022-10-16 16:47:55,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:55,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711014898] [2022-10-16 16:47:55,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:55,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:55,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:55,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711014898] [2022-10-16 16:47:55,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711014898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:55,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:55,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:55,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423038682] [2022-10-16 16:47:55,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:55,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:55,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:55,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:55,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:55,820 INFO L87 Difference]: Start difference. First operand 5947 states and 9532 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:57,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:57,013 INFO L93 Difference]: Finished difference Result 7150 states and 11553 transitions. [2022-10-16 16:47:57,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:57,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-16 16:47:57,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:57,050 INFO L225 Difference]: With dead ends: 7150 [2022-10-16 16:47:57,051 INFO L226 Difference]: Without dead ends: 7145 [2022-10-16 16:47:57,057 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 [2022-10-16 16:47:57,060 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 2501 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 3568 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:57,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 3568 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:47:57,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7145 states. [2022-10-16 16:47:57,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7145 to 5942. [2022-10-16 16:47:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5620 states have (on average 1.6951957295373665) internal successors, (9527), 5941 states have internal predecessors, (9527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 9527 transitions. [2022-10-16 16:47:57,626 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 9527 transitions. Word has length 133 [2022-10-16 16:47:57,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:57,626 INFO L495 AbstractCegarLoop]: Abstraction has 5942 states and 9527 transitions. [2022-10-16 16:47:57,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:57,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 9527 transitions. [2022-10-16 16:47:57,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:47:57,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:57,628 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] [2022-10-16 16:47:57,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:47:57,629 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:47:57,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1338539775, now seen corresponding path program 1 times [2022-10-16 16:47:57,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:57,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25972054] [2022-10-16 16:47:57,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:57,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:57,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:57,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25972054] [2022-10-16 16:47:57,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25972054] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:57,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:57,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:57,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724546252] [2022-10-16 16:47:57,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:57,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:57,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:57,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:57,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:57,813 INFO L87 Difference]: Start difference. First operand 5942 states and 9527 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:59,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:59,157 INFO L93 Difference]: Finished difference Result 9454 states and 15536 transitions. [2022-10-16 16:47:59,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:59,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 16:47:59,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:59,188 INFO L225 Difference]: With dead ends: 9454 [2022-10-16 16:47:59,188 INFO L226 Difference]: Without dead ends: 9444 [2022-10-16 16:47:59,193 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 [2022-10-16 16:47:59,194 INFO L413 NwaCegarLoop]: 1687 mSDtfsCounter, 3852 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 2691 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:59,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 2691 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:47:59,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9444 states. [2022-10-16 16:48:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9444 to 9380. [2022-10-16 16:48:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9380 states, 9067 states have (on average 1.7059666924010146) internal successors, (15468), 9379 states have internal predecessors, (15468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9380 states to 9380 states and 15468 transitions. [2022-10-16 16:48:00,083 INFO L78 Accepts]: Start accepts. Automaton has 9380 states and 15468 transitions. Word has length 134 [2022-10-16 16:48:00,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:00,084 INFO L495 AbstractCegarLoop]: Abstraction has 9380 states and 15468 transitions. [2022-10-16 16:48:00,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:00,084 INFO L276 IsEmpty]: Start isEmpty. Operand 9380 states and 15468 transitions. [2022-10-16 16:48:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:48:00,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:00,086 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] [2022-10-16 16:48:00,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:48:00,087 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:48:00,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:00,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2141519585, now seen corresponding path program 1 times [2022-10-16 16:48:00,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:00,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935228597] [2022-10-16 16:48:00,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:00,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:00,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:00,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935228597] [2022-10-16 16:48:00,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935228597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:00,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:00,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:00,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682738535] [2022-10-16 16:48:00,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:00,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:00,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:00,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:00,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:00,354 INFO L87 Difference]: Start difference. First operand 9380 states and 15468 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:01,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:01,941 INFO L93 Difference]: Finished difference Result 14036 states and 23480 transitions. [2022-10-16 16:48:01,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:48:01,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:48:01,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:01,985 INFO L225 Difference]: With dead ends: 14036 [2022-10-16 16:48:01,986 INFO L226 Difference]: Without dead ends: 14031 [2022-10-16 16:48:01,991 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 [2022-10-16 16:48:01,992 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 2600 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2600 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:01,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2600 Valid, 3660 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:48:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14031 states. [2022-10-16 16:48:02,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14031 to 9375. [2022-10-16 16:48:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9375 states, 9067 states have (on average 1.705415242086688) internal successors, (15463), 9374 states have internal predecessors, (15463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9375 states to 9375 states and 15463 transitions. [2022-10-16 16:48:02,807 INFO L78 Accepts]: Start accepts. Automaton has 9375 states and 15463 transitions. Word has length 136 [2022-10-16 16:48:02,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:02,807 INFO L495 AbstractCegarLoop]: Abstraction has 9375 states and 15463 transitions. [2022-10-16 16:48:02,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:02,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9375 states and 15463 transitions. [2022-10-16 16:48:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:48:02,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:02,810 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] [2022-10-16 16:48:02,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:48:02,811 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:48:02,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:02,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1962598240, now seen corresponding path program 1 times [2022-10-16 16:48:02,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:02,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552782326] [2022-10-16 16:48:02,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:02,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:02,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:02,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552782326] [2022-10-16 16:48:02,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552782326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:02,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:02,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:02,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318040700] [2022-10-16 16:48:02,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:02,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:02,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:02,992 INFO L87 Difference]: Start difference. First operand 9375 states and 15463 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:04,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:04,409 INFO L93 Difference]: Finished difference Result 16913 states and 28409 transitions. [2022-10-16 16:48:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:04,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:48:04,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:04,462 INFO L225 Difference]: With dead ends: 16913 [2022-10-16 16:48:04,462 INFO L226 Difference]: Without dead ends: 16903 [2022-10-16 16:48:04,470 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 [2022-10-16 16:48:04,471 INFO L413 NwaCegarLoop]: 1818 mSDtfsCounter, 3860 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 2835 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:04,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 2835 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:48:04,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16903 states. [2022-10-16 16:48:06,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16903 to 16818. [2022-10-16 16:48:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16818 states, 16519 states have (on average 1.7120285731581815) internal successors, (28281), 16817 states have internal predecessors, (28281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16818 states to 16818 states and 28281 transitions. [2022-10-16 16:48:06,316 INFO L78 Accepts]: Start accepts. Automaton has 16818 states and 28281 transitions. Word has length 137 [2022-10-16 16:48:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:06,317 INFO L495 AbstractCegarLoop]: Abstraction has 16818 states and 28281 transitions. [2022-10-16 16:48:06,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 16818 states and 28281 transitions. [2022-10-16 16:48:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:48:06,320 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:06,321 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] [2022-10-16 16:48:06,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:48:06,321 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:48:06,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash 566283234, now seen corresponding path program 1 times [2022-10-16 16:48:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:06,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960647879] [2022-10-16 16:48:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:06,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:06,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:06,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:06,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960647879] [2022-10-16 16:48:06,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960647879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:06,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:06,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:06,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751545774] [2022-10-16 16:48:06,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:06,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:06,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:06,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:06,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:06,510 INFO L87 Difference]: Start difference. First operand 16818 states and 28281 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:08,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:08,577 INFO L93 Difference]: Finished difference Result 32002 states and 54375 transitions. [2022-10-16 16:48:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:48:08,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-10-16 16:48:08,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:08,668 INFO L225 Difference]: With dead ends: 32002 [2022-10-16 16:48:08,669 INFO L226 Difference]: Without dead ends: 31997 [2022-10-16 16:48:08,682 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 [2022-10-16 16:48:08,683 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 2815 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 3640 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:08,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 3640 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:08,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31997 states. [2022-10-16 16:48:10,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31997 to 16813. [2022-10-16 16:48:10,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16813 states, 16519 states have (on average 1.7117258913977844) internal successors, (28276), 16812 states have internal predecessors, (28276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16813 states to 16813 states and 28276 transitions. [2022-10-16 16:48:10,654 INFO L78 Accepts]: Start accepts. Automaton has 16813 states and 28276 transitions. Word has length 139 [2022-10-16 16:48:10,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:10,654 INFO L495 AbstractCegarLoop]: Abstraction has 16813 states and 28276 transitions. [2022-10-16 16:48:10,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 16813 states and 28276 transitions. [2022-10-16 16:48:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:48:10,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:10,657 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] [2022-10-16 16:48:10,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:48:10,657 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:48:10,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:10,658 INFO L85 PathProgramCache]: Analyzing trace with hash 374911622, now seen corresponding path program 1 times [2022-10-16 16:48:10,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:10,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697931027] [2022-10-16 16:48:10,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:10,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:10,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:10,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697931027] [2022-10-16 16:48:10,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697931027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:10,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:10,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:10,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689088846] [2022-10-16 16:48:10,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:10,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:10,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:10,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:10,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:10,850 INFO L87 Difference]: Start difference. First operand 16813 states and 28276 transitions. Second operand has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:13,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:13,278 INFO L93 Difference]: Finished difference Result 32189 states and 54694 transitions. [2022-10-16 16:48:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:13,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:48:13,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:13,336 INFO L225 Difference]: With dead ends: 32189 [2022-10-16 16:48:13,337 INFO L226 Difference]: Without dead ends: 32179 [2022-10-16 16:48:13,347 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 [2022-10-16 16:48:13,348 INFO L413 NwaCegarLoop]: 1957 mSDtfsCounter, 3906 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3906 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:13,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3906 Valid, 2948 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32179 states. [2022-10-16 16:48:16,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32179 to 32053. [2022-10-16 16:48:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32053 states, 31768 states have (on average 1.7138315285822212) internal successors, (54445), 32052 states have internal predecessors, (54445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:16,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32053 states to 32053 states and 54445 transitions. [2022-10-16 16:48:16,306 INFO L78 Accepts]: Start accepts. Automaton has 32053 states and 54445 transitions. Word has length 140 [2022-10-16 16:48:16,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:16,307 INFO L495 AbstractCegarLoop]: Abstraction has 32053 states and 54445 transitions. [2022-10-16 16:48:16,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32053 states and 54445 transitions. [2022-10-16 16:48:16,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 16:48:16,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:16,310 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] [2022-10-16 16:48:16,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:48:16,310 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:48:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:16,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1883492234, now seen corresponding path program 1 times [2022-10-16 16:48:16,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:16,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284758078] [2022-10-16 16:48:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:16,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:16,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:16,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284758078] [2022-10-16 16:48:16,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284758078] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:16,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:16,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:16,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895131427] [2022-10-16 16:48:16,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:16,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:16,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:16,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:16,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:16,514 INFO L87 Difference]: Start difference. First operand 32053 states and 54445 transitions. Second operand has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:20,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:20,792 INFO L93 Difference]: Finished difference Result 59605 states and 101869 transitions. [2022-10-16 16:48:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:48:20,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2022-10-16 16:48:20,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:20,891 INFO L225 Difference]: With dead ends: 59605 [2022-10-16 16:48:20,892 INFO L226 Difference]: Without dead ends: 59600 [2022-10-16 16:48:20,914 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 [2022-10-16 16:48:20,915 INFO L413 NwaCegarLoop]: 2352 mSDtfsCounter, 2330 mSDsluCounter, 2258 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2330 SdHoareTripleChecker+Valid, 4610 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:20,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2330 Valid, 4610 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:48:20,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59600 states. [2022-10-16 16:48:24,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59600 to 32048. [2022-10-16 16:48:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32048 states, 31768 states have (on average 1.7136741374968523) internal successors, (54440), 32047 states have internal predecessors, (54440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32048 states to 32048 states and 54440 transitions. [2022-10-16 16:48:24,214 INFO L78 Accepts]: Start accepts. Automaton has 32048 states and 54440 transitions. Word has length 152 [2022-10-16 16:48:24,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:24,215 INFO L495 AbstractCegarLoop]: Abstraction has 32048 states and 54440 transitions. [2022-10-16 16:48:24,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32048 states and 54440 transitions. [2022-10-16 16:48:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 16:48:24,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:24,217 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] [2022-10-16 16:48:24,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:48:24,218 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:48:24,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:24,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1741283477, now seen corresponding path program 1 times [2022-10-16 16:48:24,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:24,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646448214] [2022-10-16 16:48:24,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:24,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:24,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:24,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646448214] [2022-10-16 16:48:24,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646448214] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:24,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:24,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:24,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988308941] [2022-10-16 16:48:24,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:24,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:24,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:24,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:24,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:24,384 INFO L87 Difference]: Start difference. First operand 32048 states and 54440 transitions. Second operand has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:29,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:29,795 INFO L93 Difference]: Finished difference Result 62672 states and 107036 transitions. [2022-10-16 16:48:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:29,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-16 16:48:29,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:30,040 INFO L225 Difference]: With dead ends: 62672 [2022-10-16 16:48:30,040 INFO L226 Difference]: Without dead ends: 62659 [2022-10-16 16:48:30,056 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 [2022-10-16 16:48:30,057 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 3825 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3825 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:30,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3825 Valid, 2952 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:30,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62659 states. [2022-10-16 16:48:35,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62659 to 62615. [2022-10-16 16:48:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62615 states, 62346 states have (on average 1.7114971289256729) internal successors, (106705), 62614 states have internal predecessors, (106705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62615 states to 62615 states and 106705 transitions. [2022-10-16 16:48:35,323 INFO L78 Accepts]: Start accepts. Automaton has 62615 states and 106705 transitions. Word has length 153 [2022-10-16 16:48:35,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:35,324 INFO L495 AbstractCegarLoop]: Abstraction has 62615 states and 106705 transitions. [2022-10-16 16:48:35,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 62615 states and 106705 transitions. [2022-10-16 16:48:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 16:48:35,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:35,326 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] [2022-10-16 16:48:35,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:48:35,326 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:48:35,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:35,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1854786472, now seen corresponding path program 1 times [2022-10-16 16:48:35,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:35,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726393361] [2022-10-16 16:48:35,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:35,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:35,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:35,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726393361] [2022-10-16 16:48:35,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726393361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:35,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:35,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:48:35,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806696066] [2022-10-16 16:48:35,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:35,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:48:35,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:35,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:48:35,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:35,508 INFO L87 Difference]: Start difference. First operand 62615 states and 106705 transitions. Second operand has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:43,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:43,055 INFO L93 Difference]: Finished difference Result 90165 states and 153841 transitions. [2022-10-16 16:48:43,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:48:43,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2022-10-16 16:48:43,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:43,305 INFO L225 Difference]: With dead ends: 90165 [2022-10-16 16:48:43,305 INFO L226 Difference]: Without dead ends: 90160 [2022-10-16 16:48:43,321 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 [2022-10-16 16:48:43,322 INFO L413 NwaCegarLoop]: 2333 mSDtfsCounter, 3191 mSDsluCounter, 3587 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 5920 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:43,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 5920 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:48:43,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90160 states. [2022-10-16 16:48:48,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90160 to 62610. [2022-10-16 16:48:48,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62610 states, 62346 states have (on average 1.7114169313187695) internal successors, (106700), 62609 states have internal predecessors, (106700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62610 states to 62610 states and 106700 transitions. [2022-10-16 16:48:48,886 INFO L78 Accepts]: Start accepts. Automaton has 62610 states and 106700 transitions. Word has length 154 [2022-10-16 16:48:48,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:48,886 INFO L495 AbstractCegarLoop]: Abstraction has 62610 states and 106700 transitions. [2022-10-16 16:48:48,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:48,886 INFO L276 IsEmpty]: Start isEmpty. Operand 62610 states and 106700 transitions. [2022-10-16 16:48:48,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 16:48:48,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:48,888 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] [2022-10-16 16:48:48,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:48:48,888 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:48:48,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:48,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1663805193, now seen corresponding path program 1 times [2022-10-16 16:48:48,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:48,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391749864] [2022-10-16 16:48:48,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:48,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:49,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:49,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391749864] [2022-10-16 16:48:49,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391749864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:49,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:49,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:48:49,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670138361] [2022-10-16 16:48:49,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:49,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:48:49,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:49,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:48:49,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:49,270 INFO L87 Difference]: Start difference. First operand 62610 states and 106700 transitions. Second operand has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:57,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:57,268 INFO L93 Difference]: Finished difference Result 93276 states and 158976 transitions. [2022-10-16 16:48:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:48:57,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2022-10-16 16:48:57,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:57,433 INFO L225 Difference]: With dead ends: 93276 [2022-10-16 16:48:57,434 INFO L226 Difference]: Without dead ends: 93265 [2022-10-16 16:48:57,452 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 [2022-10-16 16:48:57,452 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 5612 mSDsluCounter, 2208 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5612 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:57,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5612 Valid, 4084 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:48:57,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93265 states. [2022-10-16 16:49:05,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93265 to 93179. [2022-10-16 16:49:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93179 states, 92924 states have (on average 1.707276914467737) internal successors, (158647), 93178 states have internal predecessors, (158647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93179 states to 93179 states and 158647 transitions. [2022-10-16 16:49:06,242 INFO L78 Accepts]: Start accepts. Automaton has 93179 states and 158647 transitions. Word has length 155 [2022-10-16 16:49:06,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:06,242 INFO L495 AbstractCegarLoop]: Abstraction has 93179 states and 158647 transitions. [2022-10-16 16:49:06,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:06,243 INFO L276 IsEmpty]: Start isEmpty. Operand 93179 states and 158647 transitions. [2022-10-16 16:49:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-16 16:49:06,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:06,244 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] [2022-10-16 16:49:06,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:49:06,244 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 16:49:06,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:06,244 INFO L85 PathProgramCache]: Analyzing trace with hash -38352838, now seen corresponding path program 1 times [2022-10-16 16:49:06,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:06,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406629275] [2022-10-16 16:49:06,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:06,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:06,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:06,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406629275] [2022-10-16 16:49:06,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406629275] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:06,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:06,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:49:06,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623217070] [2022-10-16 16:49:06,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:06,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:49:06,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:06,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:49:06,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:49:06,754 INFO L87 Difference]: Start difference. First operand 93179 states and 158647 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)