/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:16:31,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:16:31,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:16:31,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:16:31,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:16:31,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:16:31,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:16:31,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:16:31,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:16:31,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:16:31,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:16:31,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:16:31,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:16:31,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:16:31,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:16:31,997 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:16:32,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:16:32,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:16:32,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:16:32,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:16:32,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:16:32,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:16:32,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:16:32,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:16:32,057 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:16:32,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:16:32,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:16:32,057 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:16:32,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:16:32,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:16:32,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:16:32,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:16:32,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:16:32,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:16:32,059 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:16:32,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:16:32,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:16:32,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:16:32,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:16:32,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:16:32,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:16:32,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:16:32,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:16:32,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:16:32,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:16:32,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:16:32,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:16:32,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:16:32,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:16:32,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:16:32,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:16:32,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:16:32,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:16:32,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:16:32,481 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:16:32,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-15 22:16:32,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76833c04b/556e89b0a434484fb8e77e5f1171e01a/FLAG4545c988a [2022-10-15 22:16:33,606 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:16:33,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-15 22:16:33,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76833c04b/556e89b0a434484fb8e77e5f1171e01a/FLAG4545c988a [2022-10-15 22:16:33,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76833c04b/556e89b0a434484fb8e77e5f1171e01a [2022-10-15 22:16:33,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:16:33,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:16:33,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:16:33,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:16:33,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:16:33,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:16:33" (1/1) ... [2022-10-15 22:16:33,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a93934e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:33, skipping insertion in model container [2022-10-15 22:16:33,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:16:33" (1/1) ... [2022-10-15 22:16:33,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:16:33,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:16:34,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18815,18828] [2022-10-15 22:16:34,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25895,25908] [2022-10-15 22:16:34,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29420,29433] [2022-10-15 22:16:34,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32798,32811] [2022-10-15 22:16:34,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36856,36869] [2022-10-15 22:16:34,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40310,40323] [2022-10-15 22:16:34,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43875,43888] [2022-10-15 22:16:34,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47290,47303] [2022-10-15 22:16:34,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[50969,50982] [2022-10-15 22:16:34,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54551,54564] [2022-10-15 22:16:34,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58080,58093] [2022-10-15 22:16:34,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:16:34,562 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:16:34,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18815,18828] [2022-10-15 22:16:34,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25895,25908] [2022-10-15 22:16:34,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29420,29433] [2022-10-15 22:16:34,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32798,32811] [2022-10-15 22:16:34,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36856,36869] [2022-10-15 22:16:34,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40310,40323] [2022-10-15 22:16:34,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43875,43888] [2022-10-15 22:16:34,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47290,47303] [2022-10-15 22:16:34,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[50969,50982] [2022-10-15 22:16:34,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54551,54564] [2022-10-15 22:16:34,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58080,58093] [2022-10-15 22:16:34,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:16:34,870 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:16:34,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34 WrapperNode [2022-10-15 22:16:34,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:16:34,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:16:34,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:16:34,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:16:34,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:34,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,019 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3161 [2022-10-15 22:16:35,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:16:35,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:16:35,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:16:35,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:16:35,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,203 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:16:35,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:16:35,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:16:35,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:16:35,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (1/1) ... [2022-10-15 22:16:35,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:16:35,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:16:35,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:16:35,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:16:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:16:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:16:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:16:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:16:35,598 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:16:35,601 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:16:38,265 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:16:38,287 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:16:38,287 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:16:38,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:16:38 BoogieIcfgContainer [2022-10-15 22:16:38,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:16:38,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:16:38,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:16:38,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:16:38,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:16:33" (1/3) ... [2022-10-15 22:16:38,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b533fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:16:38, skipping insertion in model container [2022-10-15 22:16:38,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:34" (2/3) ... [2022-10-15 22:16:38,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b533fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:16:38, skipping insertion in model container [2022-10-15 22:16:38,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:16:38" (3/3) ... [2022-10-15 22:16:38,303 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-15 22:16:38,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:16:38,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 400 error locations. [2022-10-15 22:16:38,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:16:38,472 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;@5f5e0172, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:16:38,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 400 error locations. [2022-10-15 22:16:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 1348 states, 947 states have (on average 1.8722280887011615) internal successors, (1773), 1347 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 22:16:38,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:38,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:38,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr368ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:38,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:38,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1577895556, now seen corresponding path program 1 times [2022-10-15 22:16:38,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:38,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646942871] [2022-10-15 22:16:38,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:38,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:39,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:39,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646942871] [2022-10-15 22:16:39,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646942871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:39,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:39,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:39,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824611538] [2022-10-15 22:16:39,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:39,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:39,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:39,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:39,172 INFO L87 Difference]: Start difference. First operand has 1348 states, 947 states have (on average 1.8722280887011615) internal successors, (1773), 1347 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:40,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:40,525 INFO L93 Difference]: Finished difference Result 1546 states and 2033 transitions. [2022-10-15 22:16:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:40,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-10-15 22:16:40,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:40,562 INFO L225 Difference]: With dead ends: 1546 [2022-10-15 22:16:40,563 INFO L226 Difference]: Without dead ends: 1478 [2022-10-15 22:16:40,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:40,574 INFO L413 NwaCegarLoop]: 1236 mSDtfsCounter, 2753 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2753 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:40,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2753 Valid, 1936 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:16:40,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-10-15 22:16:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1366. [2022-10-15 22:16:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 1005 states have (on average 1.5393034825870646) internal successors, (1547), 1365 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1547 transitions. [2022-10-15 22:16:40,727 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1547 transitions. Word has length 36 [2022-10-15 22:16:40,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:40,728 INFO L495 AbstractCegarLoop]: Abstraction has 1366 states and 1547 transitions. [2022-10-15 22:16:40,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:40,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1547 transitions. [2022-10-15 22:16:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 22:16:40,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:40,732 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] [2022-10-15 22:16:40,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:16:40,734 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr369ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:40,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:40,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1670119153, now seen corresponding path program 1 times [2022-10-15 22:16:40,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:40,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054236239] [2022-10-15 22:16:40,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:40,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:40,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:40,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054236239] [2022-10-15 22:16:40,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054236239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:40,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:40,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819409193] [2022-10-15 22:16:40,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:40,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:40,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:40,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:40,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:40,941 INFO L87 Difference]: Start difference. First operand 1366 states and 1547 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:41,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:41,763 INFO L93 Difference]: Finished difference Result 1459 states and 1672 transitions. [2022-10-15 22:16:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:41,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-10-15 22:16:41,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:41,771 INFO L225 Difference]: With dead ends: 1459 [2022-10-15 22:16:41,772 INFO L226 Difference]: Without dead ends: 1409 [2022-10-15 22:16:41,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:41,775 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 2571 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:41,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 1018 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:16:41,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2022-10-15 22:16:41,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1393. [2022-10-15 22:16:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1079 states have (on average 1.500463392029657) internal successors, (1619), 1392 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1619 transitions. [2022-10-15 22:16:41,835 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1619 transitions. Word has length 37 [2022-10-15 22:16:41,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:41,835 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1619 transitions. [2022-10-15 22:16:41,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1619 transitions. [2022-10-15 22:16:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 22:16:41,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:41,838 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] [2022-10-15 22:16:41,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:16:41,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr370ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:41,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:41,839 INFO L85 PathProgramCache]: Analyzing trace with hash -234083362, now seen corresponding path program 1 times [2022-10-15 22:16:41,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:41,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828096700] [2022-10-15 22:16:41,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:41,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:42,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:42,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828096700] [2022-10-15 22:16:42,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828096700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:42,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:42,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:42,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667677774] [2022-10-15 22:16:42,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:42,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:42,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:42,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:42,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:42,050 INFO L87 Difference]: Start difference. First operand 1393 states and 1619 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:43,100 INFO L93 Difference]: Finished difference Result 1589 states and 1860 transitions. [2022-10-15 22:16:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:16:43,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-15 22:16:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:43,111 INFO L225 Difference]: With dead ends: 1589 [2022-10-15 22:16:43,111 INFO L226 Difference]: Without dead ends: 1550 [2022-10-15 22:16:43,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:16:43,120 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 3041 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:43,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 2027 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:16:43,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-10-15 22:16:43,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1431. [2022-10-15 22:16:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1153 states have (on average 1.4735472679965307) internal successors, (1699), 1430 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1699 transitions. [2022-10-15 22:16:43,197 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1699 transitions. Word has length 38 [2022-10-15 22:16:43,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:43,197 INFO L495 AbstractCegarLoop]: Abstraction has 1431 states and 1699 transitions. [2022-10-15 22:16:43,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1699 transitions. [2022-10-15 22:16:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-15 22:16:43,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:43,203 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] [2022-10-15 22:16:43,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:16:43,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr371ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:43,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:43,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1333353201, now seen corresponding path program 1 times [2022-10-15 22:16:43,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:43,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364436443] [2022-10-15 22:16:43,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:43,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:43,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364436443] [2022-10-15 22:16:43,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364436443] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:43,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:43,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:43,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764195983] [2022-10-15 22:16:43,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:43,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:43,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:43,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:43,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:43,401 INFO L87 Difference]: Start difference. First operand 1431 states and 1699 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:44,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:44,250 INFO L93 Difference]: Finished difference Result 1537 states and 1821 transitions. [2022-10-15 22:16:44,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:16:44,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-10-15 22:16:44,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:44,260 INFO L225 Difference]: With dead ends: 1537 [2022-10-15 22:16:44,260 INFO L226 Difference]: Without dead ends: 1492 [2022-10-15 22:16:44,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:16:44,262 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 3502 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3502 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:44,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3502 Valid, 1346 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:16:44,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2022-10-15 22:16:44,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1463. [2022-10-15 22:16:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1227 states have (on average 1.4425427872860637) internal successors, (1770), 1462 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 1770 transitions. [2022-10-15 22:16:44,342 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 1770 transitions. Word has length 39 [2022-10-15 22:16:44,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:44,343 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 1770 transitions. [2022-10-15 22:16:44,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1770 transitions. [2022-10-15 22:16:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 22:16:44,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:44,344 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] [2022-10-15 22:16:44,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:16:44,345 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr372ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:44,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1615720896, now seen corresponding path program 1 times [2022-10-15 22:16:44,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:44,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89565718] [2022-10-15 22:16:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:44,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:44,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89565718] [2022-10-15 22:16:44,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89565718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:44,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:44,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:16:44,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582496508] [2022-10-15 22:16:44,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:44,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:16:44,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:44,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:16:44,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:16:44,482 INFO L87 Difference]: Start difference. First operand 1463 states and 1770 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:45,846 INFO L93 Difference]: Finished difference Result 2603 states and 3442 transitions. [2022-10-15 22:16:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 22:16:45,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-10-15 22:16:45,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:45,858 INFO L225 Difference]: With dead ends: 2603 [2022-10-15 22:16:45,858 INFO L226 Difference]: Without dead ends: 2177 [2022-10-15 22:16:45,860 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 [2022-10-15 22:16:45,862 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 3822 mSDsluCounter, 1808 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 1717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:45,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3822 Valid, 2884 Invalid, 1717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:16:45,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2022-10-15 22:16:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 1799. [2022-10-15 22:16:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1597 states have (on average 1.4439574201628051) internal successors, (2306), 1798 states have internal predecessors, (2306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2306 transitions. [2022-10-15 22:16:45,962 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2306 transitions. Word has length 40 [2022-10-15 22:16:45,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:45,963 INFO L495 AbstractCegarLoop]: Abstraction has 1799 states and 2306 transitions. [2022-10-15 22:16:45,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2306 transitions. [2022-10-15 22:16:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 22:16:45,964 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:45,964 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] [2022-10-15 22:16:45,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:16:45,965 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr373ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:45,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:45,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1452262611, now seen corresponding path program 1 times [2022-10-15 22:16:45,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:45,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058060532] [2022-10-15 22:16:45,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:45,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:46,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:46,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058060532] [2022-10-15 22:16:46,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058060532] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:46,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:46,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:16:46,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135516515] [2022-10-15 22:16:46,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:46,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:16:46,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:46,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:16:46,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:16:46,099 INFO L87 Difference]: Start difference. First operand 1799 states and 2306 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:47,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:47,277 INFO L93 Difference]: Finished difference Result 2160 states and 2788 transitions. [2022-10-15 22:16:47,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:16:47,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-15 22:16:47,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:47,289 INFO L225 Difference]: With dead ends: 2160 [2022-10-15 22:16:47,289 INFO L226 Difference]: Without dead ends: 2118 [2022-10-15 22:16:47,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:16:47,293 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 4438 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4438 SdHoareTripleChecker+Valid, 1807 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:47,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4438 Valid, 1807 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:16:47,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2022-10-15 22:16:47,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 2056. [2022-10-15 22:16:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 1892 states have (on average 1.4371035940803383) internal successors, (2719), 2055 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2719 transitions. [2022-10-15 22:16:47,406 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2719 transitions. Word has length 41 [2022-10-15 22:16:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:47,406 INFO L495 AbstractCegarLoop]: Abstraction has 2056 states and 2719 transitions. [2022-10-15 22:16:47,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2719 transitions. [2022-10-15 22:16:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:16:47,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:47,410 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] [2022-10-15 22:16:47,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:16:47,410 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr380ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:47,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:47,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1128546179, now seen corresponding path program 1 times [2022-10-15 22:16:47,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:47,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902802213] [2022-10-15 22:16:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:47,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:47,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:47,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902802213] [2022-10-15 22:16:47,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902802213] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:47,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:47,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:16:47,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216176768] [2022-10-15 22:16:47,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:47,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:47,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:47,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:47,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:47,595 INFO L87 Difference]: Start difference. First operand 2056 states and 2719 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:47,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:47,800 INFO L93 Difference]: Finished difference Result 2056 states and 2719 transitions. [2022-10-15 22:16:47,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:47,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-15 22:16:47,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:47,810 INFO L225 Difference]: With dead ends: 2056 [2022-10-15 22:16:47,810 INFO L226 Difference]: Without dead ends: 2024 [2022-10-15 22:16:47,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:47,812 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 323 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1946 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:47,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1946 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:16:47,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2022-10-15 22:16:47,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2024. [2022-10-15 22:16:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1892 states have (on average 1.4201902748414377) internal successors, (2687), 2023 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2687 transitions. [2022-10-15 22:16:47,930 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2687 transitions. Word has length 53 [2022-10-15 22:16:47,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:47,931 INFO L495 AbstractCegarLoop]: Abstraction has 2024 states and 2687 transitions. [2022-10-15 22:16:47,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:47,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2687 transitions. [2022-10-15 22:16:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:16:47,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:47,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:47,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:16:47,933 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr382ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:47,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:47,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2054754424, now seen corresponding path program 1 times [2022-10-15 22:16:47,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:47,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164437783] [2022-10-15 22:16:47,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:47,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:48,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:48,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164437783] [2022-10-15 22:16:48,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164437783] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:48,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:48,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:16:48,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860826857] [2022-10-15 22:16:48,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:48,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:48,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:48,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:48,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:48,025 INFO L87 Difference]: Start difference. First operand 2024 states and 2687 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:48,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:48,213 INFO L93 Difference]: Finished difference Result 2024 states and 2687 transitions. [2022-10-15 22:16:48,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:48,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-15 22:16:48,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:48,231 INFO L225 Difference]: With dead ends: 2024 [2022-10-15 22:16:48,233 INFO L226 Difference]: Without dead ends: 2007 [2022-10-15 22:16:48,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:48,235 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 1105 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:48,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 1084 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:16:48,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2022-10-15 22:16:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 2007. [2022-10-15 22:16:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2007 states, 1892 states have (on average 1.4043340380549683) internal successors, (2657), 2006 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 2657 transitions. [2022-10-15 22:16:48,404 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 2657 transitions. Word has length 57 [2022-10-15 22:16:48,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:48,405 INFO L495 AbstractCegarLoop]: Abstraction has 2007 states and 2657 transitions. [2022-10-15 22:16:48,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2657 transitions. [2022-10-15 22:16:48,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:16:48,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:48,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:48,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:16:48,408 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr383ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:48,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:48,409 INFO L85 PathProgramCache]: Analyzing trace with hash 727125176, now seen corresponding path program 1 times [2022-10-15 22:16:48,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:48,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531348915] [2022-10-15 22:16:48,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:48,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:48,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:48,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531348915] [2022-10-15 22:16:48,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531348915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:48,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:48,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:16:48,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932326799] [2022-10-15 22:16:48,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:48,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:48,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:48,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:48,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:48,509 INFO L87 Difference]: Start difference. First operand 2007 states and 2657 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:48,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:48,687 INFO L93 Difference]: Finished difference Result 2007 states and 2657 transitions. [2022-10-15 22:16:48,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:48,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:16:48,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:48,697 INFO L225 Difference]: With dead ends: 2007 [2022-10-15 22:16:48,698 INFO L226 Difference]: Without dead ends: 1990 [2022-10-15 22:16:48,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:48,699 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 1087 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:48,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 1084 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:16:48,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2022-10-15 22:16:48,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1990. [2022-10-15 22:16:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1990 states, 1892 states have (on average 1.3884778012684988) internal successors, (2627), 1989 states have internal predecessors, (2627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2627 transitions. [2022-10-15 22:16:48,818 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2627 transitions. Word has length 58 [2022-10-15 22:16:48,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:48,818 INFO L495 AbstractCegarLoop]: Abstraction has 1990 states and 2627 transitions. [2022-10-15 22:16:48,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:48,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2627 transitions. [2022-10-15 22:16:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:16:48,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:48,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:48,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:16:48,821 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr182ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:48,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:48,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1367135941, now seen corresponding path program 1 times [2022-10-15 22:16:48,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:48,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079657436] [2022-10-15 22:16:48,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:48,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:48,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:48,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079657436] [2022-10-15 22:16:48,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079657436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:48,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:48,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:48,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231820036] [2022-10-15 22:16:48,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:48,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:48,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:48,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:48,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:48,976 INFO L87 Difference]: Start difference. First operand 1990 states and 2627 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:49,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:49,690 INFO L93 Difference]: Finished difference Result 2462 states and 3316 transitions. [2022-10-15 22:16:49,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:49,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:16:49,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:49,704 INFO L225 Difference]: With dead ends: 2462 [2022-10-15 22:16:49,704 INFO L226 Difference]: Without dead ends: 2454 [2022-10-15 22:16:49,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:49,706 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 1040 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:49,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1699 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:16:49,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2022-10-15 22:16:49,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2207. [2022-10-15 22:16:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2207 states, 2114 states have (on average 1.401135288552507) internal successors, (2962), 2206 states have internal predecessors, (2962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 2962 transitions. [2022-10-15 22:16:49,888 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 2962 transitions. Word has length 72 [2022-10-15 22:16:49,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:49,888 INFO L495 AbstractCegarLoop]: Abstraction has 2207 states and 2962 transitions. [2022-10-15 22:16:49,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2962 transitions. [2022-10-15 22:16:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:16:49,891 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:49,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:49,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:16:49,892 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr356ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:49,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:49,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1383324561, now seen corresponding path program 1 times [2022-10-15 22:16:49,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:49,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265179372] [2022-10-15 22:16:49,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:49,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:50,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:50,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265179372] [2022-10-15 22:16:50,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265179372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:50,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:50,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:50,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052876602] [2022-10-15 22:16:50,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:50,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:50,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:50,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:50,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:50,021 INFO L87 Difference]: Start difference. First operand 2207 states and 2962 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:50,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:50,827 INFO L93 Difference]: Finished difference Result 2682 states and 3651 transitions. [2022-10-15 22:16:50,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:50,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:16:50,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:50,842 INFO L225 Difference]: With dead ends: 2682 [2022-10-15 22:16:50,842 INFO L226 Difference]: Without dead ends: 2674 [2022-10-15 22:16:50,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:50,845 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 1006 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:50,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 1582 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:16:50,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-10-15 22:16:51,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2646. [2022-10-15 22:16:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 2558 states have (on average 1.4218139171227522) internal successors, (3637), 2645 states have internal predecessors, (3637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3637 transitions. [2022-10-15 22:16:51,056 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3637 transitions. Word has length 72 [2022-10-15 22:16:51,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:51,056 INFO L495 AbstractCegarLoop]: Abstraction has 2646 states and 3637 transitions. [2022-10-15 22:16:51,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3637 transitions. [2022-10-15 22:16:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:16:51,059 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:51,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:51,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:16:51,060 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr357ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash 66614324, now seen corresponding path program 1 times [2022-10-15 22:16:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:51,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024629130] [2022-10-15 22:16:51,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:51,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:51,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:51,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024629130] [2022-10-15 22:16:51,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024629130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:51,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:51,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:51,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009312311] [2022-10-15 22:16:51,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:51,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:51,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:51,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:51,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:51,194 INFO L87 Difference]: Start difference. First operand 2646 states and 3637 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:52,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:52,014 INFO L93 Difference]: Finished difference Result 2660 states and 3637 transitions. [2022-10-15 22:16:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:52,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 22:16:52,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:52,026 INFO L225 Difference]: With dead ends: 2660 [2022-10-15 22:16:52,027 INFO L226 Difference]: Without dead ends: 2652 [2022-10-15 22:16:52,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:52,028 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 1180 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:52,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 1229 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:16:52,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2022-10-15 22:16:52,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2638. [2022-10-15 22:16:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 2558 states have (on average 1.4128225175918687) internal successors, (3614), 2637 states have internal predecessors, (3614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3614 transitions. [2022-10-15 22:16:52,249 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3614 transitions. Word has length 73 [2022-10-15 22:16:52,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:52,250 INFO L495 AbstractCegarLoop]: Abstraction has 2638 states and 3614 transitions. [2022-10-15 22:16:52,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:52,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3614 transitions. [2022-10-15 22:16:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:16:52,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:52,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:52,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:16:52,254 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr184ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:52,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:52,254 INFO L85 PathProgramCache]: Analyzing trace with hash 442401533, now seen corresponding path program 1 times [2022-10-15 22:16:52,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:52,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567588293] [2022-10-15 22:16:52,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:52,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:52,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:52,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567588293] [2022-10-15 22:16:52,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567588293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:52,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:52,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:52,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006980180] [2022-10-15 22:16:52,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:52,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:52,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:52,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:52,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:52,414 INFO L87 Difference]: Start difference. First operand 2638 states and 3614 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:53,456 INFO L93 Difference]: Finished difference Result 2893 states and 3954 transitions. [2022-10-15 22:16:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:53,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 22:16:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:53,490 INFO L225 Difference]: With dead ends: 2893 [2022-10-15 22:16:53,490 INFO L226 Difference]: Without dead ends: 2887 [2022-10-15 22:16:53,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:16:53,492 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 1737 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:53,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 2410 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:16:53,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2887 states. [2022-10-15 22:16:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2887 to 2857. [2022-10-15 22:16:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 2780 states have (on average 1.4179856115107914) internal successors, (3942), 2856 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) [2022-10-15 22:16:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 3942 transitions. [2022-10-15 22:16:53,733 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 3942 transitions. Word has length 74 [2022-10-15 22:16:53,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:53,734 INFO L495 AbstractCegarLoop]: Abstraction has 2857 states and 3942 transitions. [2022-10-15 22:16:53,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:53,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3942 transitions. [2022-10-15 22:16:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:16:53,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:53,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:53,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:16:53,738 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr160ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:53,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:53,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1803772517, now seen corresponding path program 1 times [2022-10-15 22:16:53,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:53,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490435574] [2022-10-15 22:16:53,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:53,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:53,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:53,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490435574] [2022-10-15 22:16:53,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490435574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:53,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:53,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:53,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856855865] [2022-10-15 22:16:53,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:53,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:53,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:53,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:53,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:53,888 INFO L87 Difference]: Start difference. First operand 2857 states and 3942 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:54,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:54,857 INFO L93 Difference]: Finished difference Result 3110 states and 4291 transitions. [2022-10-15 22:16:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:54,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 22:16:54,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:54,868 INFO L225 Difference]: With dead ends: 3110 [2022-10-15 22:16:54,868 INFO L226 Difference]: Without dead ends: 3104 [2022-10-15 22:16:54,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:54,870 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 457 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 2249 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:54,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 2249 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:16:54,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2022-10-15 22:16:55,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 2854. [2022-10-15 22:16:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2854 states, 2780 states have (on average 1.410431654676259) internal successors, (3921), 2853 states have internal predecessors, (3921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 3921 transitions. [2022-10-15 22:16:55,111 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 3921 transitions. Word has length 74 [2022-10-15 22:16:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:55,112 INFO L495 AbstractCegarLoop]: Abstraction has 2854 states and 3921 transitions. [2022-10-15 22:16:55,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3921 transitions. [2022-10-15 22:16:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:16:55,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:55,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:55,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:16:55,115 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr278ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:55,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1357056492, now seen corresponding path program 1 times [2022-10-15 22:16:55,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:55,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216828533] [2022-10-15 22:16:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:55,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:55,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:55,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216828533] [2022-10-15 22:16:55,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216828533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:55,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:55,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:55,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078889965] [2022-10-15 22:16:55,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:55,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:55,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:55,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:55,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:55,266 INFO L87 Difference]: Start difference. First operand 2854 states and 3921 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:56,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:56,305 INFO L93 Difference]: Finished difference Result 2884 states and 3921 transitions. [2022-10-15 22:16:56,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:56,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 22:16:56,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:56,314 INFO L225 Difference]: With dead ends: 2884 [2022-10-15 22:16:56,314 INFO L226 Difference]: Without dead ends: 2878 [2022-10-15 22:16:56,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:16:56,320 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 1817 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:56,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 2287 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:16:56,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2878 states. [2022-10-15 22:16:56,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2878 to 2851. [2022-10-15 22:16:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2851 states, 2780 states have (on average 1.4061151079136691) internal successors, (3909), 2850 states have internal predecessors, (3909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2851 states and 3909 transitions. [2022-10-15 22:16:56,573 INFO L78 Accepts]: Start accepts. Automaton has 2851 states and 3909 transitions. Word has length 74 [2022-10-15 22:16:56,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:56,573 INFO L495 AbstractCegarLoop]: Abstraction has 2851 states and 3909 transitions. [2022-10-15 22:16:56,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3909 transitions. [2022-10-15 22:16:56,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:16:56,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:56,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:56,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:16:56,577 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr358ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:56,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:56,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2065046801, now seen corresponding path program 1 times [2022-10-15 22:16:56,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:56,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612978732] [2022-10-15 22:16:56,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:56,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:56,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:56,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612978732] [2022-10-15 22:16:56,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612978732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:56,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:56,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:56,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410586547] [2022-10-15 22:16:56,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:56,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:56,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:56,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:56,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:56,730 INFO L87 Difference]: Start difference. First operand 2851 states and 3909 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:57,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:57,746 INFO L93 Difference]: Finished difference Result 3328 states and 4589 transitions. [2022-10-15 22:16:57,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:57,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 22:16:57,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:57,754 INFO L225 Difference]: With dead ends: 3328 [2022-10-15 22:16:57,754 INFO L226 Difference]: Without dead ends: 3322 [2022-10-15 22:16:57,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:16:57,756 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 1841 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 1956 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:57,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 1956 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:16:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2022-10-15 22:16:57,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3070. [2022-10-15 22:16:57,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3070 states, 3002 states have (on average 1.4113924050632911) internal successors, (4237), 3069 states have internal predecessors, (4237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4237 transitions. [2022-10-15 22:16:57,927 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4237 transitions. Word has length 74 [2022-10-15 22:16:57,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:57,928 INFO L495 AbstractCegarLoop]: Abstraction has 3070 states and 4237 transitions. [2022-10-15 22:16:57,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4237 transitions. [2022-10-15 22:16:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:16:57,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:57,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:57,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:16:57,931 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr185ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:57,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:57,932 INFO L85 PathProgramCache]: Analyzing trace with hash 829547147, now seen corresponding path program 1 times [2022-10-15 22:16:57,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:57,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874740133] [2022-10-15 22:16:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:57,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:58,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:58,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874740133] [2022-10-15 22:16:58,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874740133] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:58,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:58,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709291563] [2022-10-15 22:16:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:58,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:58,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:58,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:58,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:58,084 INFO L87 Difference]: Start difference. First operand 3070 states and 4237 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:59,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:59,010 INFO L93 Difference]: Finished difference Result 3989 states and 5597 transitions. [2022-10-15 22:16:59,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:59,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 22:16:59,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:59,019 INFO L225 Difference]: With dead ends: 3989 [2022-10-15 22:16:59,019 INFO L226 Difference]: Without dead ends: 3983 [2022-10-15 22:16:59,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:16:59,027 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 2292 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:59,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2292 Valid, 1476 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:16:59,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2022-10-15 22:16:59,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 3733. [2022-10-15 22:16:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3733 states, 3668 states have (on average 1.4274809160305344) internal successors, (5236), 3732 states have internal predecessors, (5236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3733 states and 5236 transitions. [2022-10-15 22:16:59,242 INFO L78 Accepts]: Start accepts. Automaton has 3733 states and 5236 transitions. Word has length 75 [2022-10-15 22:16:59,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:59,242 INFO L495 AbstractCegarLoop]: Abstraction has 3733 states and 5236 transitions. [2022-10-15 22:16:59,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:59,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 5236 transitions. [2022-10-15 22:16:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:16:59,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:59,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:59,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:16:59,246 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr359ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:16:59,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:59,247 INFO L85 PathProgramCache]: Analyzing trace with hash -408055850, now seen corresponding path program 1 times [2022-10-15 22:16:59,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:59,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097747517] [2022-10-15 22:16:59,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:59,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:59,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:59,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097747517] [2022-10-15 22:16:59,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097747517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:59,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:59,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:59,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997459031] [2022-10-15 22:16:59,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:59,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:59,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:59,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:59,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:59,415 INFO L87 Difference]: Start difference. First operand 3733 states and 5236 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:00,337 INFO L93 Difference]: Finished difference Result 4655 states and 6614 transitions. [2022-10-15 22:17:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:00,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 22:17:00,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:00,350 INFO L225 Difference]: With dead ends: 4655 [2022-10-15 22:17:00,350 INFO L226 Difference]: Without dead ends: 4647 [2022-10-15 22:17:00,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:00,354 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 2328 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2328 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:00,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2328 Valid, 1434 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:00,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4647 states. [2022-10-15 22:17:00,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4647 to 4616. [2022-10-15 22:17:00,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4616 states, 4556 states have (on average 1.440737489025461) internal successors, (6564), 4615 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4616 states to 4616 states and 6564 transitions. [2022-10-15 22:17:00,779 INFO L78 Accepts]: Start accepts. Automaton has 4616 states and 6564 transitions. Word has length 75 [2022-10-15 22:17:00,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:00,779 INFO L495 AbstractCegarLoop]: Abstraction has 4616 states and 6564 transitions. [2022-10-15 22:17:00,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 4616 states and 6564 transitions. [2022-10-15 22:17:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:17:00,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:00,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:00,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:17:00,783 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:00,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:00,784 INFO L85 PathProgramCache]: Analyzing trace with hash 306198160, now seen corresponding path program 1 times [2022-10-15 22:17:00,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:00,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117823430] [2022-10-15 22:17:00,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:00,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:00,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:00,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:00,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117823430] [2022-10-15 22:17:00,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117823430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:00,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:00,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:00,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283691962] [2022-10-15 22:17:00,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:00,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:00,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:00,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:00,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:00,957 INFO L87 Difference]: Start difference. First operand 4616 states and 6564 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:01,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:01,798 INFO L93 Difference]: Finished difference Result 4868 states and 6895 transitions. [2022-10-15 22:17:01,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:01,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:17:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:01,812 INFO L225 Difference]: With dead ends: 4868 [2022-10-15 22:17:01,812 INFO L226 Difference]: Without dead ends: 4863 [2022-10-15 22:17:01,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:01,815 INFO L413 NwaCegarLoop]: 1008 mSDtfsCounter, 1186 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:01,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 1828 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:01,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4863 states. [2022-10-15 22:17:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4863 to 4614. [2022-10-15 22:17:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4614 states, 4556 states have (on average 1.438323090430202) internal successors, (6553), 4613 states have internal predecessors, (6553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4614 states to 4614 states and 6553 transitions. [2022-10-15 22:17:02,191 INFO L78 Accepts]: Start accepts. Automaton has 4614 states and 6553 transitions. Word has length 76 [2022-10-15 22:17:02,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:02,192 INFO L495 AbstractCegarLoop]: Abstraction has 4614 states and 6553 transitions. [2022-10-15 22:17:02,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 4614 states and 6553 transitions. [2022-10-15 22:17:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:17:02,195 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:02,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:02,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:17:02,196 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr186ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:02,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:02,196 INFO L85 PathProgramCache]: Analyzing trace with hash -53840705, now seen corresponding path program 1 times [2022-10-15 22:17:02,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:02,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836154480] [2022-10-15 22:17:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:02,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:02,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:02,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836154480] [2022-10-15 22:17:02,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836154480] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:02,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:02,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:02,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504809703] [2022-10-15 22:17:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:02,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:02,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:02,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:02,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:02,381 INFO L87 Difference]: Start difference. First operand 4614 states and 6553 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:03,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:03,662 INFO L93 Difference]: Finished difference Result 8061 states and 11666 transitions. [2022-10-15 22:17:03,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:03,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:17:03,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:03,673 INFO L225 Difference]: With dead ends: 8061 [2022-10-15 22:17:03,673 INFO L226 Difference]: Without dead ends: 5156 [2022-10-15 22:17:03,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:03,681 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 2579 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:03,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 2798 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:17:03,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5156 states. [2022-10-15 22:17:04,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5156 to 4908. [2022-10-15 22:17:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4908 states, 4852 states have (on average 1.436108821104699) internal successors, (6968), 4907 states have internal predecessors, (6968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4908 states to 4908 states and 6968 transitions. [2022-10-15 22:17:04,066 INFO L78 Accepts]: Start accepts. Automaton has 4908 states and 6968 transitions. Word has length 76 [2022-10-15 22:17:04,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:04,067 INFO L495 AbstractCegarLoop]: Abstraction has 4908 states and 6968 transitions. [2022-10-15 22:17:04,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 4908 states and 6968 transitions. [2022-10-15 22:17:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:17:04,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:04,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:04,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:17:04,070 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:04,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:04,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1741442013, now seen corresponding path program 1 times [2022-10-15 22:17:04,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:04,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770137853] [2022-10-15 22:17:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:04,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:04,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:04,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770137853] [2022-10-15 22:17:04,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770137853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:04,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:04,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:04,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131377336] [2022-10-15 22:17:04,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:04,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:04,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:04,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:04,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:04,238 INFO L87 Difference]: Start difference. First operand 4908 states and 6968 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:05,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:05,262 INFO L93 Difference]: Finished difference Result 5835 states and 8319 transitions. [2022-10-15 22:17:05,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:05,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:17:05,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:05,279 INFO L225 Difference]: With dead ends: 5835 [2022-10-15 22:17:05,279 INFO L226 Difference]: Without dead ends: 5830 [2022-10-15 22:17:05,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:05,284 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 1477 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:05,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 1855 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:05,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2022-10-15 22:17:05,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5794. [2022-10-15 22:17:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5740 states have (on average 1.4458188153310105) internal successors, (8299), 5793 states have internal predecessors, (8299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 8299 transitions. [2022-10-15 22:17:05,720 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 8299 transitions. Word has length 76 [2022-10-15 22:17:05,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:05,720 INFO L495 AbstractCegarLoop]: Abstraction has 5794 states and 8299 transitions. [2022-10-15 22:17:05,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 8299 transitions. [2022-10-15 22:17:05,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:17:05,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:05,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:05,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:17:05,726 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr256ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:05,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:05,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1426191116, now seen corresponding path program 1 times [2022-10-15 22:17:05,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:05,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546121857] [2022-10-15 22:17:05,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:05,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:05,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:05,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546121857] [2022-10-15 22:17:05,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546121857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:05,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:05,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:05,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508224936] [2022-10-15 22:17:05,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:05,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:05,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:05,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:05,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:05,904 INFO L87 Difference]: Start difference. First operand 5794 states and 8299 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:06,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:06,841 INFO L93 Difference]: Finished difference Result 6490 states and 9292 transitions. [2022-10-15 22:17:06,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:06,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:17:06,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:06,850 INFO L225 Difference]: With dead ends: 6490 [2022-10-15 22:17:06,850 INFO L226 Difference]: Without dead ends: 6485 [2022-10-15 22:17:06,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:06,852 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 1221 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:06,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1728 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:06,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6485 states. [2022-10-15 22:17:07,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6485 to 6458. [2022-10-15 22:17:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6458 states, 6406 states have (on average 1.4473930689978145) internal successors, (9272), 6457 states have internal predecessors, (9272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6458 states to 6458 states and 9272 transitions. [2022-10-15 22:17:07,330 INFO L78 Accepts]: Start accepts. Automaton has 6458 states and 9272 transitions. Word has length 76 [2022-10-15 22:17:07,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:07,331 INFO L495 AbstractCegarLoop]: Abstraction has 6458 states and 9272 transitions. [2022-10-15 22:17:07,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 6458 states and 9272 transitions. [2022-10-15 22:17:07,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:17:07,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:07,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:07,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:17:07,334 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr280ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:07,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:07,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1538698130, now seen corresponding path program 1 times [2022-10-15 22:17:07,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:07,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450220206] [2022-10-15 22:17:07,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:07,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:07,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:07,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450220206] [2022-10-15 22:17:07,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450220206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:07,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:07,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:07,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072669152] [2022-10-15 22:17:07,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:07,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:07,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:07,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:07,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:07,498 INFO L87 Difference]: Start difference. First operand 6458 states and 9272 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:08,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:08,881 INFO L93 Difference]: Finished difference Result 10719 states and 15588 transitions. [2022-10-15 22:17:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:08,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:17:08,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:08,899 INFO L225 Difference]: With dead ends: 10719 [2022-10-15 22:17:08,899 INFO L226 Difference]: Without dead ends: 6704 [2022-10-15 22:17:08,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:08,906 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 2538 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 2787 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:08,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 2787 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:17:08,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6704 states. [2022-10-15 22:17:09,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6678. [2022-10-15 22:17:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6678 states, 6628 states have (on average 1.4459867229933614) internal successors, (9584), 6677 states have internal predecessors, (9584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 9584 transitions. [2022-10-15 22:17:09,512 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 9584 transitions. Word has length 76 [2022-10-15 22:17:09,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:09,513 INFO L495 AbstractCegarLoop]: Abstraction has 6678 states and 9584 transitions. [2022-10-15 22:17:09,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:09,513 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 9584 transitions. [2022-10-15 22:17:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:17:09,516 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:09,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:09,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:17:09,517 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr360ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:09,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:09,517 INFO L85 PathProgramCache]: Analyzing trace with hash 235173299, now seen corresponding path program 1 times [2022-10-15 22:17:09,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:09,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088276392] [2022-10-15 22:17:09,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:09,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:09,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:09,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088276392] [2022-10-15 22:17:09,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088276392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:09,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:09,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:09,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215510896] [2022-10-15 22:17:09,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:09,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:09,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:09,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:09,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:09,669 INFO L87 Difference]: Start difference. First operand 6678 states and 9584 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:10,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:10,888 INFO L93 Difference]: Finished difference Result 9604 states and 13878 transitions. [2022-10-15 22:17:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:10,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:17:10,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:10,898 INFO L225 Difference]: With dead ends: 9604 [2022-10-15 22:17:10,898 INFO L226 Difference]: Without dead ends: 6924 [2022-10-15 22:17:10,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:10,904 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 2717 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:10,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2717 Valid, 2183 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:17:10,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6924 states. [2022-10-15 22:17:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6924 to 6898. [2022-10-15 22:17:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6898 states, 6850 states have (on average 1.4446715328467152) internal successors, (9896), 6897 states have internal predecessors, (9896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6898 states to 6898 states and 9896 transitions. [2022-10-15 22:17:11,384 INFO L78 Accepts]: Start accepts. Automaton has 6898 states and 9896 transitions. Word has length 76 [2022-10-15 22:17:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:11,385 INFO L495 AbstractCegarLoop]: Abstraction has 6898 states and 9896 transitions. [2022-10-15 22:17:11,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 6898 states and 9896 transitions. [2022-10-15 22:17:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:17:11,388 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:11,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:11,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:17:11,388 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr332ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:11,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:11,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1208452188, now seen corresponding path program 1 times [2022-10-15 22:17:11,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:11,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43798729] [2022-10-15 22:17:11,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:11,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:11,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:11,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43798729] [2022-10-15 22:17:11,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43798729] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:11,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:11,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:11,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130961439] [2022-10-15 22:17:11,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:11,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:11,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:11,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:11,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:11,532 INFO L87 Difference]: Start difference. First operand 6898 states and 9896 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:12,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:12,723 INFO L93 Difference]: Finished difference Result 12192 states and 17756 transitions. [2022-10-15 22:17:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:17:12,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:17:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:12,731 INFO L225 Difference]: With dead ends: 12192 [2022-10-15 22:17:12,732 INFO L226 Difference]: Without dead ends: 6906 [2022-10-15 22:17:12,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:12,738 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 2528 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:12,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 2447 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:12,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6906 states. [2022-10-15 22:17:13,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6906 to 6883. [2022-10-15 22:17:13,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6883 states, 6837 states have (on average 1.4446394617522305) internal successors, (9877), 6882 states have internal predecessors, (9877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 9877 transitions. [2022-10-15 22:17:13,166 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 9877 transitions. Word has length 76 [2022-10-15 22:17:13,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:13,166 INFO L495 AbstractCegarLoop]: Abstraction has 6883 states and 9877 transitions. [2022-10-15 22:17:13,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 9877 transitions. [2022-10-15 22:17:13,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:17:13,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:13,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:13,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:17:13,169 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr187ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:13,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:13,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1669060339, now seen corresponding path program 1 times [2022-10-15 22:17:13,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:13,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991261511] [2022-10-15 22:17:13,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:13,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:13,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:13,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991261511] [2022-10-15 22:17:13,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991261511] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:13,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:13,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:13,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616809927] [2022-10-15 22:17:13,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:13,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:13,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:13,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:13,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:13,317 INFO L87 Difference]: Start difference. First operand 6883 states and 9877 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:14,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:14,763 INFO L93 Difference]: Finished difference Result 13676 states and 19989 transitions. [2022-10-15 22:17:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:14,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 22:17:14,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:14,775 INFO L225 Difference]: With dead ends: 13676 [2022-10-15 22:17:14,775 INFO L226 Difference]: Without dead ends: 9413 [2022-10-15 22:17:14,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:14,781 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 3019 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3019 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:14,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3019 Valid, 1996 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:14,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9413 states. [2022-10-15 22:17:15,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9413 to 9001. [2022-10-15 22:17:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9001 states, 8958 states have (on average 1.4566867604375977) internal successors, (13049), 9000 states have internal predecessors, (13049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9001 states to 9001 states and 13049 transitions. [2022-10-15 22:17:15,373 INFO L78 Accepts]: Start accepts. Automaton has 9001 states and 13049 transitions. Word has length 77 [2022-10-15 22:17:15,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:15,373 INFO L495 AbstractCegarLoop]: Abstraction has 9001 states and 13049 transitions. [2022-10-15 22:17:15,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 9001 states and 13049 transitions. [2022-10-15 22:17:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:17:15,376 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:15,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:15,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:17:15,376 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr163ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:15,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:15,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1849871089, now seen corresponding path program 1 times [2022-10-15 22:17:15,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:15,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840521782] [2022-10-15 22:17:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:15,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:15,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:15,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840521782] [2022-10-15 22:17:15,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840521782] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:15,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:15,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:15,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898593332] [2022-10-15 22:17:15,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:15,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:15,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:15,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:15,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:15,520 INFO L87 Difference]: Start difference. First operand 9001 states and 13049 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:16,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:16,705 INFO L93 Difference]: Finished difference Result 9026 states and 13049 transitions. [2022-10-15 22:17:16,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:16,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 22:17:16,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:16,717 INFO L225 Difference]: With dead ends: 9026 [2022-10-15 22:17:16,717 INFO L226 Difference]: Without dead ends: 9021 [2022-10-15 22:17:16,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:16,720 INFO L413 NwaCegarLoop]: 827 mSDtfsCounter, 1462 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:16,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 1936 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:16,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2022-10-15 22:17:17,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 8333. [2022-10-15 22:17:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8333 states, 8292 states have (on average 1.447178002894356) internal successors, (12000), 8332 states have internal predecessors, (12000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8333 states to 8333 states and 12000 transitions. [2022-10-15 22:17:17,291 INFO L78 Accepts]: Start accepts. Automaton has 8333 states and 12000 transitions. Word has length 77 [2022-10-15 22:17:17,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:17,291 INFO L495 AbstractCegarLoop]: Abstraction has 8333 states and 12000 transitions. [2022-10-15 22:17:17,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:17,292 INFO L276 IsEmpty]: Start isEmpty. Operand 8333 states and 12000 transitions. [2022-10-15 22:17:17,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:17:17,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:17,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:17,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:17:17,294 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr281ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:17,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:17,294 INFO L85 PathProgramCache]: Analyzing trace with hash -454999550, now seen corresponding path program 1 times [2022-10-15 22:17:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:17,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869640807] [2022-10-15 22:17:17,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:17,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:17,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:17,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869640807] [2022-10-15 22:17:17,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869640807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:17,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:17,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:17,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217180077] [2022-10-15 22:17:17,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:17,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:17,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:17,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:17,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:17,457 INFO L87 Difference]: Start difference. First operand 8333 states and 12000 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:18,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:18,814 INFO L93 Difference]: Finished difference Result 15336 states and 22352 transitions. [2022-10-15 22:17:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:18,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 22:17:18,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:18,826 INFO L225 Difference]: With dead ends: 15336 [2022-10-15 22:17:18,826 INFO L226 Difference]: Without dead ends: 9304 [2022-10-15 22:17:18,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:18,833 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 2902 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:18,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2902 Valid, 2034 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:18,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9304 states. [2022-10-15 22:17:19,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9304 to 8904. [2022-10-15 22:17:19,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8904 states, 8865 states have (on average 1.4503102086858433) internal successors, (12857), 8903 states have internal predecessors, (12857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8904 states to 8904 states and 12857 transitions. [2022-10-15 22:17:19,508 INFO L78 Accepts]: Start accepts. Automaton has 8904 states and 12857 transitions. Word has length 77 [2022-10-15 22:17:19,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:19,509 INFO L495 AbstractCegarLoop]: Abstraction has 8904 states and 12857 transitions. [2022-10-15 22:17:19,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8904 states and 12857 transitions. [2022-10-15 22:17:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:17:19,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:19,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:19,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:17:19,512 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr361ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:19,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:19,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1299559560, now seen corresponding path program 1 times [2022-10-15 22:17:19,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:19,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194494656] [2022-10-15 22:17:19,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:19,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:19,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:19,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194494656] [2022-10-15 22:17:19,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194494656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:19,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:19,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:19,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860889440] [2022-10-15 22:17:19,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:19,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:19,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:19,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:19,654 INFO L87 Difference]: Start difference. First operand 8904 states and 12857 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:21,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:21,002 INFO L93 Difference]: Finished difference Result 15401 states and 22430 transitions. [2022-10-15 22:17:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:21,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 22:17:21,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:21,017 INFO L225 Difference]: With dead ends: 15401 [2022-10-15 22:17:21,018 INFO L226 Difference]: Without dead ends: 10545 [2022-10-15 22:17:21,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:21,026 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 3143 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3143 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:21,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3143 Valid, 1591 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:21,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10545 states. [2022-10-15 22:17:21,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10545 to 10056. [2022-10-15 22:17:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10056 states, 10020 states have (on average 1.4565868263473054) internal successors, (14595), 10055 states have internal predecessors, (14595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 14595 transitions. [2022-10-15 22:17:21,727 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 14595 transitions. Word has length 77 [2022-10-15 22:17:21,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:21,728 INFO L495 AbstractCegarLoop]: Abstraction has 10056 states and 14595 transitions. [2022-10-15 22:17:21,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 14595 transitions. [2022-10-15 22:17:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:17:21,729 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:21,730 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] [2022-10-15 22:17:21,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:17:21,730 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-15 22:17:21,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:21,730 INFO L85 PathProgramCache]: Analyzing trace with hash -2096284910, now seen corresponding path program 1 times [2022-10-15 22:17:21,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:21,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547235903] [2022-10-15 22:17:21,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:21,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:21,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:21,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547235903] [2022-10-15 22:17:21,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547235903] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:21,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:21,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:21,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481559297] [2022-10-15 22:17:21,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:21,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:21,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:21,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:21,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:21,905 INFO L87 Difference]: Start difference. First operand 10056 states and 14595 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:23,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:23,306 INFO L93 Difference]: Finished difference Result 10754 states and 15570 transitions. [2022-10-15 22:17:23,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:23,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-15 22:17:23,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:23,318 INFO L225 Difference]: With dead ends: 10754 [2022-10-15 22:17:23,319 INFO L226 Difference]: Without dead ends: 10750 [2022-10-15 22:17:23,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:23,322 INFO L413 NwaCegarLoop]: 1011 mSDtfsCounter, 1762 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:23,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 2334 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:23,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10750 states.