/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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:34:29,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:34:29,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:34:29,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:34:29,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:34:29,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:34:29,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:34:29,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:34:29,348 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:34:29,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:34:29,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:34:29,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:34:29,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:34:29,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:34:29,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:34:29,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:34:29,355 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:34:29,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:34:29,356 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:34:29,356 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:34:29,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:34:29,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:34:29,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:34:29,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:34:29,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:34:29,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:34:29,358 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:34:29,358 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:34:29,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:34:29,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:34:29,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:34:29,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:34:29,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:34:29,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:34:29,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:34:29,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:34:29,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:34:29,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:34:29,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:34:29,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:34:29,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:34:29,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:34:29,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:34:29,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:34:29,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:34:29,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:34:29,825 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:34:29,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:34:29,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86423f2ce/51ac732680d94ffb8b72d297ef590049/FLAGab1a358d1 [2022-10-16 16:34:30,872 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:34:30,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:34:30,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86423f2ce/51ac732680d94ffb8b72d297ef590049/FLAGab1a358d1 [2022-10-16 16:34:31,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86423f2ce/51ac732680d94ffb8b72d297ef590049 [2022-10-16 16:34:31,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:34:31,373 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:34:31,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:34:31,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:34:31,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:34:31,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:34:31" (1/1) ... [2022-10-16 16:34:31,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7692fb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:31, skipping insertion in model container [2022-10-16 16:34:31,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:34:31" (1/1) ... [2022-10-16 16:34:31,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:34:31,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:34:32,574 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2022-10-16 16:34:32,884 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2022-10-16 16:34:32,970 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2022-10-16 16:34:33,005 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2022-10-16 16:34:33,022 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2022-10-16 16:34:33,038 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2022-10-16 16:34:33,146 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2022-10-16 16:34:33,201 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2022-10-16 16:34:33,230 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2022-10-16 16:34:33,281 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2022-10-16 16:34:33,294 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2022-10-16 16:34:33,351 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2022-10-16 16:34:33,382 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2022-10-16 16:34:33,397 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2022-10-16 16:34:33,411 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2022-10-16 16:34:33,427 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2022-10-16 16:34:33,440 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2022-10-16 16:34:33,454 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2022-10-16 16:34:33,468 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2022-10-16 16:34:33,484 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2022-10-16 16:34:33,498 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2022-10-16 16:34:33,513 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2022-10-16 16:34:33,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:34:33,591 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:34:33,887 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2022-10-16 16:34:33,977 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2022-10-16 16:34:34,062 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2022-10-16 16:34:34,085 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2022-10-16 16:34:34,118 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2022-10-16 16:34:34,133 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2022-10-16 16:34:34,218 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2022-10-16 16:34:34,262 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2022-10-16 16:34:34,287 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2022-10-16 16:34:34,301 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2022-10-16 16:34:34,314 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2022-10-16 16:34:34,363 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2022-10-16 16:34:34,387 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2022-10-16 16:34:34,400 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2022-10-16 16:34:34,412 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2022-10-16 16:34:34,427 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2022-10-16 16:34:34,439 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2022-10-16 16:34:34,452 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2022-10-16 16:34:34,465 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2022-10-16 16:34:34,478 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2022-10-16 16:34:34,490 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2022-10-16 16:34:34,503 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2022-10-16 16:34:34,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:34:34,580 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:34:34,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34 WrapperNode [2022-10-16 16:34:34,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:34:34,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:34:34,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:34:34,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:34:34,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:34,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,051 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13385 [2022-10-16 16:34:35,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:34:35,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:34:35,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:34:35,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:34:35,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,382 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:34:35,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:34:35,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:34:35,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:34:35,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (1/1) ... [2022-10-16 16:34:35,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:34:35,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:34:35,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:34:35,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:34:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:34:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:34:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:34:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:34:36,029 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:34:36,031 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:34:44,084 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:34:44,144 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:34:44,144 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:34:44,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:34:44 BoogieIcfgContainer [2022-10-16 16:34:44,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:34:44,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:34:44,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:34:44,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:34:44,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:34:31" (1/3) ... [2022-10-16 16:34:44,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bca465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:34:44, skipping insertion in model container [2022-10-16 16:34:44,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:34" (2/3) ... [2022-10-16 16:34:44,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bca465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:34:44, skipping insertion in model container [2022-10-16 16:34:44,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:34:44" (3/3) ... [2022-10-16 16:34:44,166 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:34:44,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:34:44,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1930 error locations. [2022-10-16 16:34:44,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:34:44,369 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;@7ef6029f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:34:44,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1930 error locations. [2022-10-16 16:34:44,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 6163 states, 4232 states have (on average 1.9021739130434783) internal successors, (8050), 6162 states have internal predecessors, (8050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:34:44,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:44,407 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] [2022-10-16 16:34:44,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1886ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:34:44,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1267604414, now seen corresponding path program 1 times [2022-10-16 16:34:44,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:44,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96093762] [2022-10-16 16:34:44,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:44,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:45,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:45,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96093762] [2022-10-16 16:34:45,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96093762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:45,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:45,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:34:45,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254840321] [2022-10-16 16:34:45,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:45,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:34:45,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:45,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:34:45,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:34:45,274 INFO L87 Difference]: Start difference. First operand has 6163 states, 4232 states have (on average 1.9021739130434783) internal successors, (8050), 6162 states have internal predecessors, (8050), 0 states have call successors, (0), 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 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:49,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:49,879 INFO L93 Difference]: Finished difference Result 6435 states and 8412 transitions. [2022-10-16 16:34:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:34:49,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 16:34:49,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:49,938 INFO L225 Difference]: With dead ends: 6435 [2022-10-16 16:34:49,939 INFO L226 Difference]: Without dead ends: 6120 [2022-10-16 16:34:49,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:34:49,967 INFO L413 NwaCegarLoop]: 4325 mSDtfsCounter, 11719 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 4718 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11719 SdHoareTripleChecker+Valid, 7350 SdHoareTripleChecker+Invalid, 4905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 4718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:49,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11719 Valid, 7350 Invalid, 4905 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [187 Valid, 4718 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-16 16:34:50,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6120 states. [2022-10-16 16:34:50,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6120 to 5963. [2022-10-16 16:34:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5963 states, 4311 states have (on average 1.5546276965901182) internal successors, (6702), 5962 states have internal predecessors, (6702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:50,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5963 states to 5963 states and 6702 transitions. [2022-10-16 16:34:50,254 INFO L78 Accepts]: Start accepts. Automaton has 5963 states and 6702 transitions. Word has length 56 [2022-10-16 16:34:50,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:50,256 INFO L495 AbstractCegarLoop]: Abstraction has 5963 states and 6702 transitions. [2022-10-16 16:34:50,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5963 states and 6702 transitions. [2022-10-16 16:34:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:34:50,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:50,268 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] [2022-10-16 16:34:50,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:34:50,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1887ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:34:50,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:50,270 INFO L85 PathProgramCache]: Analyzing trace with hash 641044991, now seen corresponding path program 1 times [2022-10-16 16:34:50,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:50,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395342723] [2022-10-16 16:34:50,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:50,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:50,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:50,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395342723] [2022-10-16 16:34:50,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395342723] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:50,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:50,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:34:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524091737] [2022-10-16 16:34:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:50,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:34:50,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:50,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:34:50,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:34:50,581 INFO L87 Difference]: Start difference. First operand 5963 states and 6702 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:54,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:54,481 INFO L93 Difference]: Finished difference Result 6093 states and 6877 transitions. [2022-10-16 16:34:54,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:34:54,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 16:34:54,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:54,514 INFO L225 Difference]: With dead ends: 6093 [2022-10-16 16:34:54,514 INFO L226 Difference]: Without dead ends: 5925 [2022-10-16 16:34:54,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:34:54,519 INFO L413 NwaCegarLoop]: 2918 mSDtfsCounter, 11968 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3785 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11968 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 4037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 3785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:54,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11968 Valid, 3548 Invalid, 4037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 3785 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 16:34:54,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5925 states. [2022-10-16 16:34:54,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5925 to 5901. [2022-10-16 16:34:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5901 states, 4414 states have (on average 1.5192569098323516) internal successors, (6706), 5900 states have internal predecessors, (6706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5901 states to 5901 states and 6706 transitions. [2022-10-16 16:34:54,737 INFO L78 Accepts]: Start accepts. Automaton has 5901 states and 6706 transitions. Word has length 57 [2022-10-16 16:34:54,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:54,737 INFO L495 AbstractCegarLoop]: Abstraction has 5901 states and 6706 transitions. [2022-10-16 16:34:54,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 5901 states and 6706 transitions. [2022-10-16 16:34:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:34:54,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:54,740 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] [2022-10-16 16:34:54,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:34:54,740 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1888ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:34:54,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:54,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1602427936, now seen corresponding path program 1 times [2022-10-16 16:34:54,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:54,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387863623] [2022-10-16 16:34:54,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:54,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:54,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:54,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387863623] [2022-10-16 16:34:54,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387863623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:54,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:54,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:34:54,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857750982] [2022-10-16 16:34:54,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:54,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:34:54,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:54,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:34:54,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:34:54,934 INFO L87 Difference]: Start difference. First operand 5901 states and 6706 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:59,469 INFO L93 Difference]: Finished difference Result 6179 states and 7047 transitions. [2022-10-16 16:34:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:34:59,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 16:34:59,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:59,501 INFO L225 Difference]: With dead ends: 6179 [2022-10-16 16:34:59,502 INFO L226 Difference]: Without dead ends: 6036 [2022-10-16 16:34:59,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:34:59,512 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 13390 mSDsluCounter, 3879 mSDsCounter, 0 mSdLazyCounter, 5138 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13390 SdHoareTripleChecker+Valid, 7265 SdHoareTripleChecker+Invalid, 5341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 5138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:59,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13390 Valid, 7265 Invalid, 5341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 5138 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 16:34:59,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6036 states. [2022-10-16 16:34:59,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6036 to 5864. [2022-10-16 16:34:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5864 states, 4517 states have (on average 1.4903697144122205) internal successors, (6732), 5863 states have internal predecessors, (6732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5864 states to 5864 states and 6732 transitions. [2022-10-16 16:34:59,729 INFO L78 Accepts]: Start accepts. Automaton has 5864 states and 6732 transitions. Word has length 58 [2022-10-16 16:34:59,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:59,730 INFO L495 AbstractCegarLoop]: Abstraction has 5864 states and 6732 transitions. [2022-10-16 16:34:59,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:59,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5864 states and 6732 transitions. [2022-10-16 16:34:59,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:34:59,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:59,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:34:59,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:34:59,736 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1889ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:34:59,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:59,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1864355361, now seen corresponding path program 1 times [2022-10-16 16:34:59,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:59,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748301721] [2022-10-16 16:34:59,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:59,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:59,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:59,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748301721] [2022-10-16 16:34:59,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748301721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:59,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:59,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:34:59,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163650590] [2022-10-16 16:34:59,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:59,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:34:59,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:59,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:34:59,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:34:59,972 INFO L87 Difference]: Start difference. First operand 5864 states and 6732 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:04,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:04,140 INFO L93 Difference]: Finished difference Result 6015 states and 6904 transitions. [2022-10-16 16:35:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:35:04,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 16:35:04,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:04,171 INFO L225 Difference]: With dead ends: 6015 [2022-10-16 16:35:04,172 INFO L226 Difference]: Without dead ends: 5859 [2022-10-16 16:35:04,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:35:04,181 INFO L413 NwaCegarLoop]: 2918 mSDtfsCounter, 16157 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16157 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 4386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:04,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16157 Valid, 4693 Invalid, 4386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 4089 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 16:35:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5859 states. [2022-10-16 16:35:04,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5859 to 5814. [2022-10-16 16:35:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5814 states, 4620 states have (on average 1.4593073593073593) internal successors, (6742), 5813 states have internal predecessors, (6742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5814 states to 5814 states and 6742 transitions. [2022-10-16 16:35:04,380 INFO L78 Accepts]: Start accepts. Automaton has 5814 states and 6742 transitions. Word has length 59 [2022-10-16 16:35:04,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:04,380 INFO L495 AbstractCegarLoop]: Abstraction has 5814 states and 6742 transitions. [2022-10-16 16:35:04,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5814 states and 6742 transitions. [2022-10-16 16:35:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:35:04,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:04,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:04,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:35:04,385 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1890ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:04,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:04,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1960455170, now seen corresponding path program 1 times [2022-10-16 16:35:04,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:04,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147069419] [2022-10-16 16:35:04,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:04,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:04,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:04,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147069419] [2022-10-16 16:35:04,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147069419] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:04,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:04,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:04,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991845393] [2022-10-16 16:35:04,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:04,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:04,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:04,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:04,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:04,655 INFO L87 Difference]: Start difference. First operand 5814 states and 6742 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:09,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:09,588 INFO L93 Difference]: Finished difference Result 6204 states and 7246 transitions. [2022-10-16 16:35:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:35:09,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 16:35:09,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:09,620 INFO L225 Difference]: With dead ends: 6204 [2022-10-16 16:35:09,620 INFO L226 Difference]: Without dead ends: 6066 [2022-10-16 16:35:09,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:35:09,624 INFO L413 NwaCegarLoop]: 3390 mSDtfsCounter, 16317 mSDsluCounter, 5460 mSDsCounter, 0 mSdLazyCounter, 5909 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16317 SdHoareTripleChecker+Valid, 8850 SdHoareTripleChecker+Invalid, 6140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 5909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:09,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16317 Valid, 8850 Invalid, 6140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 5909 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-16 16:35:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6066 states. [2022-10-16 16:35:09,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6066 to 5782. [2022-10-16 16:35:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5782 states, 4723 states have (on average 1.4327757781071353) internal successors, (6767), 5781 states have internal predecessors, (6767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 6767 transitions. [2022-10-16 16:35:09,799 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 6767 transitions. Word has length 60 [2022-10-16 16:35:09,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:09,800 INFO L495 AbstractCegarLoop]: Abstraction has 5782 states and 6767 transitions. [2022-10-16 16:35:09,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 6767 transitions. [2022-10-16 16:35:09,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:35:09,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:09,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:09,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:35:09,803 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1891ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:09,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:09,804 INFO L85 PathProgramCache]: Analyzing trace with hash 644581955, now seen corresponding path program 1 times [2022-10-16 16:35:09,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:09,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037664320] [2022-10-16 16:35:09,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:09,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:10,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:10,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037664320] [2022-10-16 16:35:10,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037664320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:10,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:10,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:10,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282217247] [2022-10-16 16:35:10,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:10,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:10,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:10,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:10,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:10,007 INFO L87 Difference]: Start difference. First operand 5782 states and 6767 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:14,355 INFO L93 Difference]: Finished difference Result 6054 states and 7102 transitions. [2022-10-16 16:35:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:35:14,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 16:35:14,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:14,370 INFO L225 Difference]: With dead ends: 6054 [2022-10-16 16:35:14,370 INFO L226 Difference]: Without dead ends: 5907 [2022-10-16 16:35:14,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:35:14,375 INFO L413 NwaCegarLoop]: 3018 mSDtfsCounter, 19337 mSDsluCounter, 3064 mSDsCounter, 0 mSdLazyCounter, 4609 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19337 SdHoareTripleChecker+Valid, 6082 SdHoareTripleChecker+Invalid, 4957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 4609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:14,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19337 Valid, 6082 Invalid, 4957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 4609 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 16:35:14,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5907 states. [2022-10-16 16:35:14,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5907 to 5844. [2022-10-16 16:35:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5844 states, 4929 states have (on average 1.4092107932643538) internal successors, (6946), 5843 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5844 states to 5844 states and 6946 transitions. [2022-10-16 16:35:14,648 INFO L78 Accepts]: Start accepts. Automaton has 5844 states and 6946 transitions. Word has length 61 [2022-10-16 16:35:14,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:14,648 INFO L495 AbstractCegarLoop]: Abstraction has 5844 states and 6946 transitions. [2022-10-16 16:35:14,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 5844 states and 6946 transitions. [2022-10-16 16:35:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:35:14,651 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:14,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:14,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:35:14,652 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1892ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:14,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:14,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1492782044, now seen corresponding path program 1 times [2022-10-16 16:35:14,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:14,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18914456] [2022-10-16 16:35:14,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:14,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:14,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:14,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18914456] [2022-10-16 16:35:14,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18914456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:14,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:14,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:35:14,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290725803] [2022-10-16 16:35:14,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:14,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:35:14,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:14,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:35:14,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:14,857 INFO L87 Difference]: Start difference. First operand 5844 states and 6946 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:20,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:20,209 INFO L93 Difference]: Finished difference Result 6340 states and 7610 transitions. [2022-10-16 16:35:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:35:20,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 16:35:20,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:20,225 INFO L225 Difference]: With dead ends: 6340 [2022-10-16 16:35:20,225 INFO L226 Difference]: Without dead ends: 6205 [2022-10-16 16:35:20,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:35:20,231 INFO L413 NwaCegarLoop]: 3499 mSDtfsCounter, 18505 mSDsluCounter, 7027 mSDsCounter, 0 mSdLazyCounter, 6815 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18505 SdHoareTripleChecker+Valid, 10526 SdHoareTripleChecker+Invalid, 7086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 6815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:20,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18505 Valid, 10526 Invalid, 7086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 6815 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-16 16:35:20,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6205 states. [2022-10-16 16:35:20,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6205 to 5815. [2022-10-16 16:35:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5815 states, 5032 states have (on average 1.3847376788553258) internal successors, (6968), 5814 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) [2022-10-16 16:35:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5815 states to 5815 states and 6968 transitions. [2022-10-16 16:35:20,493 INFO L78 Accepts]: Start accepts. Automaton has 5815 states and 6968 transitions. Word has length 62 [2022-10-16 16:35:20,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:20,494 INFO L495 AbstractCegarLoop]: Abstraction has 5815 states and 6968 transitions. [2022-10-16 16:35:20,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 5815 states and 6968 transitions. [2022-10-16 16:35:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:35:20,496 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:20,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:20,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:35:20,497 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1893ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:20,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:20,497 INFO L85 PathProgramCache]: Analyzing trace with hash 968410725, now seen corresponding path program 1 times [2022-10-16 16:35:20,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:20,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413801817] [2022-10-16 16:35:20,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:20,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:20,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:20,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413801817] [2022-10-16 16:35:20,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413801817] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:20,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:20,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:35:20,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189531680] [2022-10-16 16:35:20,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:20,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:35:20,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:20,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:35:20,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:20,746 INFO L87 Difference]: Start difference. First operand 5815 states and 6968 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:25,782 INFO L93 Difference]: Finished difference Result 6205 states and 7457 transitions. [2022-10-16 16:35:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:35:25,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 16:35:25,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:25,798 INFO L225 Difference]: With dead ends: 6205 [2022-10-16 16:35:25,798 INFO L226 Difference]: Without dead ends: 6064 [2022-10-16 16:35:25,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:35:25,803 INFO L413 NwaCegarLoop]: 3120 mSDtfsCounter, 21807 mSDsluCounter, 4555 mSDsCounter, 0 mSdLazyCounter, 5277 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21807 SdHoareTripleChecker+Valid, 7675 SdHoareTripleChecker+Invalid, 5682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 5277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:25,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21807 Valid, 7675 Invalid, 5682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 5277 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-16 16:35:25,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2022-10-16 16:35:26,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 5986. [2022-10-16 16:35:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5986 states, 5341 states have (on average 1.3675341696311551) internal successors, (7304), 5985 states have internal predecessors, (7304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 7304 transitions. [2022-10-16 16:35:26,115 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 7304 transitions. Word has length 63 [2022-10-16 16:35:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:26,116 INFO L495 AbstractCegarLoop]: Abstraction has 5986 states and 7304 transitions. [2022-10-16 16:35:26,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 7304 transitions. [2022-10-16 16:35:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:35:26,121 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:26,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:26,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:35:26,121 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1894ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:26,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:26,122 INFO L85 PathProgramCache]: Analyzing trace with hash -44024762, now seen corresponding path program 1 times [2022-10-16 16:35:26,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:26,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202154941] [2022-10-16 16:35:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:26,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:26,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:26,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202154941] [2022-10-16 16:35:26,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202154941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:26,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:26,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:35:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681130332] [2022-10-16 16:35:26,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:26,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:35:26,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:26,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:35:26,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:35:26,412 INFO L87 Difference]: Start difference. First operand 5986 states and 7304 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:32,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:32,826 INFO L93 Difference]: Finished difference Result 9462 states and 12556 transitions. [2022-10-16 16:35:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 16:35:32,827 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 16:35:32,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:32,843 INFO L225 Difference]: With dead ends: 9462 [2022-10-16 16:35:32,844 INFO L226 Difference]: Without dead ends: 8066 [2022-10-16 16:35:32,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 16:35:32,850 INFO L413 NwaCegarLoop]: 3512 mSDtfsCounter, 20587 mSDsluCounter, 9722 mSDsCounter, 0 mSdLazyCounter, 8402 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20587 SdHoareTripleChecker+Valid, 13234 SdHoareTripleChecker+Invalid, 8728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 8402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:32,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20587 Valid, 13234 Invalid, 8728 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [326 Valid, 8402 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 16:35:32,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8066 states. [2022-10-16 16:35:33,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8066 to 7092. [2022-10-16 16:35:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7092 states, 6577 states have (on average 1.379048198266687) internal successors, (9070), 7091 states have internal predecessors, (9070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7092 states to 7092 states and 9070 transitions. [2022-10-16 16:35:33,216 INFO L78 Accepts]: Start accepts. Automaton has 7092 states and 9070 transitions. Word has length 64 [2022-10-16 16:35:33,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:33,216 INFO L495 AbstractCegarLoop]: Abstraction has 7092 states and 9070 transitions. [2022-10-16 16:35:33,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 7092 states and 9070 transitions. [2022-10-16 16:35:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:35:33,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:33,223 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] [2022-10-16 16:35:33,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:35:33,224 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1895ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:33,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:33,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1364753785, now seen corresponding path program 1 times [2022-10-16 16:35:33,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:33,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876022941] [2022-10-16 16:35:33,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:33,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:33,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:33,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876022941] [2022-10-16 16:35:33,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876022941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:33,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:33,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:35:33,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671553121] [2022-10-16 16:35:33,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:33,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:35:33,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:33,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:35:33,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:35:33,466 INFO L87 Difference]: Start difference. First operand 7092 states and 9070 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:39,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:39,445 INFO L93 Difference]: Finished difference Result 8385 states and 10876 transitions. [2022-10-16 16:35:39,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 16:35:39,445 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 16:35:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:39,461 INFO L225 Difference]: With dead ends: 8385 [2022-10-16 16:35:39,461 INFO L226 Difference]: Without dead ends: 8247 [2022-10-16 16:35:39,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 16:35:39,467 INFO L413 NwaCegarLoop]: 3126 mSDtfsCounter, 24682 mSDsluCounter, 6157 mSDsCounter, 0 mSdLazyCounter, 6398 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24682 SdHoareTripleChecker+Valid, 9283 SdHoareTripleChecker+Invalid, 6925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 6398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:39,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24682 Valid, 9283 Invalid, 6925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [527 Valid, 6398 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-16 16:35:39,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8247 states. [2022-10-16 16:35:39,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8247 to 8091. [2022-10-16 16:35:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8091 states, 7710 states have (on average 1.38378728923476) internal successors, (10669), 8090 states have internal predecessors, (10669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 10669 transitions. [2022-10-16 16:35:39,930 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 10669 transitions. Word has length 65 [2022-10-16 16:35:39,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:39,931 INFO L495 AbstractCegarLoop]: Abstraction has 8091 states and 10669 transitions. [2022-10-16 16:35:39,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:39,931 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 10669 transitions. [2022-10-16 16:35:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:35:40,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:40,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:40,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:35:40,009 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr854ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:40,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:40,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1584718942, now seen corresponding path program 1 times [2022-10-16 16:35:40,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:40,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884050116] [2022-10-16 16:35:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:40,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:40,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:40,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884050116] [2022-10-16 16:35:40,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884050116] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:40,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:40,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:40,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538468978] [2022-10-16 16:35:40,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:40,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:40,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:40,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:40,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:40,236 INFO L87 Difference]: Start difference. First operand 8091 states and 10669 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:43,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:43,495 INFO L93 Difference]: Finished difference Result 9375 states and 12635 transitions. [2022-10-16 16:35:43,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:43,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-16 16:35:43,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:43,512 INFO L225 Difference]: With dead ends: 9375 [2022-10-16 16:35:43,513 INFO L226 Difference]: Without dead ends: 9360 [2022-10-16 16:35:43,517 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 [2022-10-16 16:35:43,518 INFO L413 NwaCegarLoop]: 3378 mSDtfsCounter, 4673 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 4187 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4673 SdHoareTripleChecker+Valid, 5996 SdHoareTripleChecker+Invalid, 4218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 4187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:43,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4673 Valid, 5996 Invalid, 4218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 4187 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 16:35:43,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9360 states. [2022-10-16 16:35:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9360 to 8388. [2022-10-16 16:35:44,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8388 states, 8019 states have (on average 1.3908217982292057) internal successors, (11153), 8387 states have internal predecessors, (11153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 11153 transitions. [2022-10-16 16:35:44,082 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 11153 transitions. Word has length 104 [2022-10-16 16:35:44,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:44,083 INFO L495 AbstractCegarLoop]: Abstraction has 8388 states and 11153 transitions. [2022-10-16 16:35:44,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 11153 transitions. [2022-10-16 16:35:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:35:44,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:44,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:44,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:35:44,093 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1866ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:44,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:44,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1271603169, now seen corresponding path program 1 times [2022-10-16 16:35:44,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:44,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110550008] [2022-10-16 16:35:44,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:44,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:44,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:44,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110550008] [2022-10-16 16:35:44,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110550008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:44,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:44,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:44,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021775666] [2022-10-16 16:35:44,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:44,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:44,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:44,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:44,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:44,297 INFO L87 Difference]: Start difference. First operand 8388 states and 11153 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:47,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:47,688 INFO L93 Difference]: Finished difference Result 9675 states and 13101 transitions. [2022-10-16 16:35:47,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:47,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-16 16:35:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:47,703 INFO L225 Difference]: With dead ends: 9675 [2022-10-16 16:35:47,703 INFO L226 Difference]: Without dead ends: 9660 [2022-10-16 16:35:47,705 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 [2022-10-16 16:35:47,706 INFO L413 NwaCegarLoop]: 3400 mSDtfsCounter, 5070 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 4177 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5070 SdHoareTripleChecker+Valid, 5840 SdHoareTripleChecker+Invalid, 4224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 4177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:47,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5070 Valid, 5840 Invalid, 4224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 4177 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 16:35:47,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9660 states. [2022-10-16 16:35:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9660 to 9612. [2022-10-16 16:35:48,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9612 states, 9255 states have (on average 1.413290113452188) internal successors, (13080), 9611 states have internal predecessors, (13080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9612 states to 9612 states and 13080 transitions. [2022-10-16 16:35:48,248 INFO L78 Accepts]: Start accepts. Automaton has 9612 states and 13080 transitions. Word has length 104 [2022-10-16 16:35:48,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:48,248 INFO L495 AbstractCegarLoop]: Abstraction has 9612 states and 13080 transitions. [2022-10-16 16:35:48,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 9612 states and 13080 transitions. [2022-10-16 16:35:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:35:48,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:48,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:48,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:35:48,260 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1867ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:48,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:48,260 INFO L85 PathProgramCache]: Analyzing trace with hash 765006307, now seen corresponding path program 1 times [2022-10-16 16:35:48,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:48,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579346560] [2022-10-16 16:35:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:48,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:48,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:48,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579346560] [2022-10-16 16:35:48,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579346560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:48,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:48,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:48,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538124872] [2022-10-16 16:35:48,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:48,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:48,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:48,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:48,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:48,465 INFO L87 Difference]: Start difference. First operand 9612 states and 13080 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:51,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:51,926 INFO L93 Difference]: Finished difference Result 9636 states and 13080 transitions. [2022-10-16 16:35:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:51,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 16:35:51,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:51,937 INFO L225 Difference]: With dead ends: 9636 [2022-10-16 16:35:51,938 INFO L226 Difference]: Without dead ends: 9621 [2022-10-16 16:35:51,940 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 [2022-10-16 16:35:51,941 INFO L413 NwaCegarLoop]: 3025 mSDtfsCounter, 5234 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 4354 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5234 SdHoareTripleChecker+Valid, 5011 SdHoareTripleChecker+Invalid, 4435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 4354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:51,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5234 Valid, 5011 Invalid, 4435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 4354 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 16:35:51,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9621 states. [2022-10-16 16:35:52,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9621 to 9597. [2022-10-16 16:35:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9597 states, 9255 states have (on average 1.4100486223662885) internal successors, (13050), 9596 states have internal predecessors, (13050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9597 states to 9597 states and 13050 transitions. [2022-10-16 16:35:52,565 INFO L78 Accepts]: Start accepts. Automaton has 9597 states and 13050 transitions. Word has length 105 [2022-10-16 16:35:52,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:52,566 INFO L495 AbstractCegarLoop]: Abstraction has 9597 states and 13050 transitions. [2022-10-16 16:35:52,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 9597 states and 13050 transitions. [2022-10-16 16:35:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:35:52,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:52,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:52,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:35:52,577 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr856ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:52,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:52,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1798707972, now seen corresponding path program 1 times [2022-10-16 16:35:52,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:52,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396900908] [2022-10-16 16:35:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:52,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:52,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:52,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396900908] [2022-10-16 16:35:52,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396900908] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:52,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:52,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:52,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129585474] [2022-10-16 16:35:52,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:52,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:52,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:52,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:52,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:52,793 INFO L87 Difference]: Start difference. First operand 9597 states and 13050 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:56,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:56,539 INFO L93 Difference]: Finished difference Result 9969 states and 13546 transitions. [2022-10-16 16:35:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:56,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 16:35:56,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:56,550 INFO L225 Difference]: With dead ends: 9969 [2022-10-16 16:35:56,550 INFO L226 Difference]: Without dead ends: 9958 [2022-10-16 16:35:56,553 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 [2022-10-16 16:35:56,553 INFO L413 NwaCegarLoop]: 3460 mSDtfsCounter, 7901 mSDsluCounter, 3718 mSDsCounter, 0 mSdLazyCounter, 4733 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7901 SdHoareTripleChecker+Valid, 7178 SdHoareTripleChecker+Invalid, 4761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:56,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7901 Valid, 7178 Invalid, 4761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 4733 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-16 16:35:56,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9958 states. [2022-10-16 16:35:56,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9958 to 9898. [2022-10-16 16:35:56,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9898 states, 9564 states have (on average 1.4145754914261814) internal successors, (13529), 9897 states have internal predecessors, (13529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:56,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9898 states to 9898 states and 13529 transitions. [2022-10-16 16:35:56,981 INFO L78 Accepts]: Start accepts. Automaton has 9898 states and 13529 transitions. Word has length 106 [2022-10-16 16:35:56,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:56,981 INFO L495 AbstractCegarLoop]: Abstraction has 9898 states and 13529 transitions. [2022-10-16 16:35:56,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9898 states and 13529 transitions. [2022-10-16 16:35:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:35:56,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:56,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:56,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:35:56,992 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr822ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:35:56,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:56,993 INFO L85 PathProgramCache]: Analyzing trace with hash 942124858, now seen corresponding path program 1 times [2022-10-16 16:35:56,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:56,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165554866] [2022-10-16 16:35:56,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:56,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:57,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:57,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165554866] [2022-10-16 16:35:57,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165554866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:57,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:57,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:57,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909502511] [2022-10-16 16:35:57,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:57,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:57,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:57,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:57,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:57,189 INFO L87 Difference]: Start difference. First operand 9898 states and 13529 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:00,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:00,807 INFO L93 Difference]: Finished difference Result 10258 states and 14034 transitions. [2022-10-16 16:36:00,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:36:00,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 16:36:00,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:00,825 INFO L225 Difference]: With dead ends: 10258 [2022-10-16 16:36:00,825 INFO L226 Difference]: Without dead ends: 10250 [2022-10-16 16:36:00,829 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 [2022-10-16 16:36:00,830 INFO L413 NwaCegarLoop]: 5088 mSDtfsCounter, 1520 mSDsluCounter, 4600 mSDsCounter, 0 mSdLazyCounter, 4664 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 9688 SdHoareTripleChecker+Invalid, 4720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 4664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:00,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 9688 Invalid, 4720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 4664 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 16:36:00,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10250 states. [2022-10-16 16:36:01,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10250 to 9893. [2022-10-16 16:36:01,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9893 states, 9564 states have (on average 1.410288582183187) internal successors, (13488), 9892 states have internal predecessors, (13488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9893 states to 9893 states and 13488 transitions. [2022-10-16 16:36:01,355 INFO L78 Accepts]: Start accepts. Automaton has 9893 states and 13488 transitions. Word has length 106 [2022-10-16 16:36:01,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:01,356 INFO L495 AbstractCegarLoop]: Abstraction has 9893 states and 13488 transitions. [2022-10-16 16:36:01,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:01,356 INFO L276 IsEmpty]: Start isEmpty. Operand 9893 states and 13488 transitions. [2022-10-16 16:36:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:36:01,365 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:01,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:01,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:36:01,366 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1328ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:01,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:01,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1078872709, now seen corresponding path program 1 times [2022-10-16 16:36:01,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:01,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852615138] [2022-10-16 16:36:01,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:01,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:01,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:01,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852615138] [2022-10-16 16:36:01,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852615138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:01,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:01,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:01,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946886056] [2022-10-16 16:36:01,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:01,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:01,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:01,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:01,596 INFO L87 Difference]: Start difference. First operand 9893 states and 13488 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:05,230 INFO L93 Difference]: Finished difference Result 9953 states and 13488 transitions. [2022-10-16 16:36:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:05,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 16:36:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:05,242 INFO L225 Difference]: With dead ends: 9953 [2022-10-16 16:36:05,242 INFO L226 Difference]: Without dead ends: 9942 [2022-10-16 16:36:05,245 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 [2022-10-16 16:36:05,246 INFO L413 NwaCegarLoop]: 3253 mSDtfsCounter, 8012 mSDsluCounter, 3900 mSDsCounter, 0 mSdLazyCounter, 4708 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8012 SdHoareTripleChecker+Valid, 7153 SdHoareTripleChecker+Invalid, 4729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:05,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8012 Valid, 7153 Invalid, 4729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4708 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 16:36:05,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9942 states. [2022-10-16 16:36:05,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9942 to 9885. [2022-10-16 16:36:05,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9885 states, 9564 states have (on average 1.406629025512338) internal successors, (13453), 9884 states have internal predecessors, (13453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9885 states to 9885 states and 13453 transitions. [2022-10-16 16:36:05,766 INFO L78 Accepts]: Start accepts. Automaton has 9885 states and 13453 transitions. Word has length 106 [2022-10-16 16:36:05,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:05,766 INFO L495 AbstractCegarLoop]: Abstraction has 9885 states and 13453 transitions. [2022-10-16 16:36:05,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 9885 states and 13453 transitions. [2022-10-16 16:36:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:36:05,775 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:05,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:05,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:36:05,776 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1868ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:05,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2054594525, now seen corresponding path program 1 times [2022-10-16 16:36:05,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:05,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172629496] [2022-10-16 16:36:05,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:05,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:05,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:05,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172629496] [2022-10-16 16:36:05,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172629496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:05,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:05,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:05,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061115799] [2022-10-16 16:36:05,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:05,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:05,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:05,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:05,970 INFO L87 Difference]: Start difference. First operand 9885 states and 13453 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:09,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:09,724 INFO L93 Difference]: Finished difference Result 10566 states and 14445 transitions. [2022-10-16 16:36:09,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:09,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 16:36:09,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:09,735 INFO L225 Difference]: With dead ends: 10566 [2022-10-16 16:36:09,735 INFO L226 Difference]: Without dead ends: 10555 [2022-10-16 16:36:09,738 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 [2022-10-16 16:36:09,738 INFO L413 NwaCegarLoop]: 3394 mSDtfsCounter, 8535 mSDsluCounter, 3371 mSDsCounter, 0 mSdLazyCounter, 4739 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8535 SdHoareTripleChecker+Valid, 6765 SdHoareTripleChecker+Invalid, 4784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 4739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:09,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8535 Valid, 6765 Invalid, 4784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 4739 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-16 16:36:09,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10555 states. [2022-10-16 16:36:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10555 to 10186. [2022-10-16 16:36:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10186 states, 9873 states have (on average 1.4111212397447583) internal successors, (13932), 10185 states have internal predecessors, (13932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:10,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10186 states to 10186 states and 13932 transitions. [2022-10-16 16:36:10,178 INFO L78 Accepts]: Start accepts. Automaton has 10186 states and 13932 transitions. Word has length 106 [2022-10-16 16:36:10,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:10,178 INFO L495 AbstractCegarLoop]: Abstraction has 10186 states and 13932 transitions. [2022-10-16 16:36:10,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:10,178 INFO L276 IsEmpty]: Start isEmpty. Operand 10186 states and 13932 transitions. [2022-10-16 16:36:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:36:10,187 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:10,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:10,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:36:10,187 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr857ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:10,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:10,188 INFO L85 PathProgramCache]: Analyzing trace with hash -74620801, now seen corresponding path program 1 times [2022-10-16 16:36:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:10,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133281021] [2022-10-16 16:36:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:10,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:10,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:10,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133281021] [2022-10-16 16:36:10,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133281021] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:10,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:10,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:10,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703879096] [2022-10-16 16:36:10,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:10,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:10,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:10,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:10,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:10,372 INFO L87 Difference]: Start difference. First operand 10186 states and 13932 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:14,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:14,347 INFO L93 Difference]: Finished difference Result 12091 states and 16863 transitions. [2022-10-16 16:36:14,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:14,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:36:14,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:14,359 INFO L225 Difference]: With dead ends: 12091 [2022-10-16 16:36:14,359 INFO L226 Difference]: Without dead ends: 12080 [2022-10-16 16:36:14,361 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 [2022-10-16 16:36:14,362 INFO L413 NwaCegarLoop]: 3018 mSDtfsCounter, 9717 mSDsluCounter, 3190 mSDsCounter, 0 mSdLazyCounter, 4745 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9717 SdHoareTripleChecker+Valid, 6208 SdHoareTripleChecker+Invalid, 4842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:14,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9717 Valid, 6208 Invalid, 4842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4745 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-10-16 16:36:14,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12080 states. [2022-10-16 16:36:14,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12080 to 11105. [2022-10-16 16:36:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11105 states, 10800 states have (on average 1.4253703703703704) internal successors, (15394), 11104 states have internal predecessors, (15394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11105 states to 11105 states and 15394 transitions. [2022-10-16 16:36:14,855 INFO L78 Accepts]: Start accepts. Automaton has 11105 states and 15394 transitions. Word has length 107 [2022-10-16 16:36:14,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:14,856 INFO L495 AbstractCegarLoop]: Abstraction has 11105 states and 15394 transitions. [2022-10-16 16:36:14,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 11105 states and 15394 transitions. [2022-10-16 16:36:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:36:14,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:14,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:14,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:36:14,864 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1869ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:14,865 INFO L85 PathProgramCache]: Analyzing trace with hash 732092901, now seen corresponding path program 1 times [2022-10-16 16:36:14,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:14,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614315382] [2022-10-16 16:36:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:14,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:15,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:15,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614315382] [2022-10-16 16:36:15,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614315382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:15,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:15,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:15,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110051074] [2022-10-16 16:36:15,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:15,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:15,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:15,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:15,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:15,048 INFO L87 Difference]: Start difference. First operand 11105 states and 15394 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:18,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:18,905 INFO L93 Difference]: Finished difference Result 12395 states and 17396 transitions. [2022-10-16 16:36:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:18,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:36:18,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:18,919 INFO L225 Difference]: With dead ends: 12395 [2022-10-16 16:36:18,919 INFO L226 Difference]: Without dead ends: 12380 [2022-10-16 16:36:18,922 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 [2022-10-16 16:36:18,923 INFO L413 NwaCegarLoop]: 3025 mSDtfsCounter, 10550 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 4487 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10550 SdHoareTripleChecker+Valid, 5444 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 4487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:18,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10550 Valid, 5444 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 4487 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 16:36:18,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12380 states. [2022-10-16 16:36:19,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12380 to 12329. [2022-10-16 16:36:19,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12329 states, 12036 states have (on average 1.440594882020605) internal successors, (17339), 12328 states have internal predecessors, (17339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:19,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12329 states to 12329 states and 17339 transitions. [2022-10-16 16:36:19,514 INFO L78 Accepts]: Start accepts. Automaton has 12329 states and 17339 transitions. Word has length 107 [2022-10-16 16:36:19,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:19,514 INFO L495 AbstractCegarLoop]: Abstraction has 12329 states and 17339 transitions. [2022-10-16 16:36:19,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand 12329 states and 17339 transitions. [2022-10-16 16:36:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:36:19,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:19,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:19,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:36:19,522 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr394ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:19,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:19,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1788095004, now seen corresponding path program 1 times [2022-10-16 16:36:19,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:19,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630894554] [2022-10-16 16:36:19,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:19,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:19,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:19,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630894554] [2022-10-16 16:36:19,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630894554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:19,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:19,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:19,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416821898] [2022-10-16 16:36:19,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:19,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:19,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:19,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:19,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:19,773 INFO L87 Difference]: Start difference. First operand 12329 states and 17339 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:24,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:24,012 INFO L93 Difference]: Finished difference Result 12698 states and 17826 transitions. [2022-10-16 16:36:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:24,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:36:24,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:24,030 INFO L225 Difference]: With dead ends: 12698 [2022-10-16 16:36:24,030 INFO L226 Difference]: Without dead ends: 12691 [2022-10-16 16:36:24,033 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 [2022-10-16 16:36:24,035 INFO L413 NwaCegarLoop]: 3394 mSDtfsCounter, 4838 mSDsluCounter, 4544 mSDsCounter, 0 mSdLazyCounter, 6004 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4838 SdHoareTripleChecker+Valid, 7938 SdHoareTripleChecker+Invalid, 6036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 6004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:24,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4838 Valid, 7938 Invalid, 6036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 6004 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 16:36:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12691 states. [2022-10-16 16:36:24,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12691 to 12325. [2022-10-16 16:36:24,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12325 states, 12036 states have (on average 1.4380192755068129) internal successors, (17308), 12324 states have internal predecessors, (17308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:24,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12325 states to 12325 states and 17308 transitions. [2022-10-16 16:36:24,632 INFO L78 Accepts]: Start accepts. Automaton has 12325 states and 17308 transitions. Word has length 108 [2022-10-16 16:36:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:24,633 INFO L495 AbstractCegarLoop]: Abstraction has 12325 states and 17308 transitions. [2022-10-16 16:36:24,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 12325 states and 17308 transitions. [2022-10-16 16:36:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:36:24,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:24,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:24,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:36:24,639 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr858ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:24,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:24,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1981729382, now seen corresponding path program 1 times [2022-10-16 16:36:24,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:24,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360234474] [2022-10-16 16:36:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:24,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:24,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360234474] [2022-10-16 16:36:24,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360234474] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:24,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:24,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:24,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096026348] [2022-10-16 16:36:24,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:24,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:24,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:24,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:24,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:24,873 INFO L87 Difference]: Start difference. First operand 12325 states and 17308 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:29,223 INFO L93 Difference]: Finished difference Result 13009 states and 18264 transitions. [2022-10-16 16:36:29,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:29,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:36:29,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:29,237 INFO L225 Difference]: With dead ends: 13009 [2022-10-16 16:36:29,237 INFO L226 Difference]: Without dead ends: 13001 [2022-10-16 16:36:29,240 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 [2022-10-16 16:36:29,241 INFO L413 NwaCegarLoop]: 3450 mSDtfsCounter, 10994 mSDsluCounter, 5089 mSDsCounter, 0 mSdLazyCounter, 5506 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10994 SdHoareTripleChecker+Valid, 8539 SdHoareTripleChecker+Invalid, 5532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 5506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:29,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10994 Valid, 8539 Invalid, 5532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 5506 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 16:36:29,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13001 states. [2022-10-16 16:36:29,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13001 to 12629. [2022-10-16 16:36:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12629 states, 12345 states have (on average 1.4396111786148238) internal successors, (17772), 12628 states have internal predecessors, (17772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12629 states to 12629 states and 17772 transitions. [2022-10-16 16:36:29,860 INFO L78 Accepts]: Start accepts. Automaton has 12629 states and 17772 transitions. Word has length 108 [2022-10-16 16:36:29,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:29,860 INFO L495 AbstractCegarLoop]: Abstraction has 12629 states and 17772 transitions. [2022-10-16 16:36:29,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 12629 states and 17772 transitions. [2022-10-16 16:36:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:36:29,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:29,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:29,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:36:29,866 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr824ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:29,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:29,866 INFO L85 PathProgramCache]: Analyzing trace with hash -855896100, now seen corresponding path program 1 times [2022-10-16 16:36:29,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:29,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551412876] [2022-10-16 16:36:29,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:29,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:30,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:30,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551412876] [2022-10-16 16:36:30,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551412876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:30,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:30,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:30,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030874621] [2022-10-16 16:36:30,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:30,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:30,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:30,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:30,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:30,107 INFO L87 Difference]: Start difference. First operand 12629 states and 17772 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:33,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:33,727 INFO L93 Difference]: Finished difference Result 13934 states and 19747 transitions. [2022-10-16 16:36:33,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:33,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:36:33,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:33,744 INFO L225 Difference]: With dead ends: 13934 [2022-10-16 16:36:33,744 INFO L226 Difference]: Without dead ends: 13927 [2022-10-16 16:36:33,746 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 [2022-10-16 16:36:33,747 INFO L413 NwaCegarLoop]: 3770 mSDtfsCounter, 4845 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 4360 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4845 SdHoareTripleChecker+Valid, 7294 SdHoareTripleChecker+Invalid, 4417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 4360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:33,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4845 Valid, 7294 Invalid, 4417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 4360 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 16:36:33,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13927 states. [2022-10-16 16:36:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13927 to 13861. [2022-10-16 16:36:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13861 states, 13581 states have (on average 1.4523967307267507) internal successors, (19725), 13860 states have internal predecessors, (19725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:34,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13861 states to 13861 states and 19725 transitions. [2022-10-16 16:36:34,406 INFO L78 Accepts]: Start accepts. Automaton has 13861 states and 19725 transitions. Word has length 108 [2022-10-16 16:36:34,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:34,407 INFO L495 AbstractCegarLoop]: Abstraction has 13861 states and 19725 transitions. [2022-10-16 16:36:34,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 13861 states and 19725 transitions. [2022-10-16 16:36:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:36:34,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:34,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:34,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:36:34,413 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1330ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:34,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:34,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1709223907, now seen corresponding path program 1 times [2022-10-16 16:36:34,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:34,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488946228] [2022-10-16 16:36:34,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:34,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:34,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488946228] [2022-10-16 16:36:34,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488946228] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:34,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:34,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:34,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463612958] [2022-10-16 16:36:34,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:34,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:34,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:34,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:34,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:34,655 INFO L87 Difference]: Start difference. First operand 13861 states and 19725 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:39,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:39,316 INFO L93 Difference]: Finished difference Result 14236 states and 20203 transitions. [2022-10-16 16:36:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:39,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:36:39,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:39,333 INFO L225 Difference]: With dead ends: 14236 [2022-10-16 16:36:39,333 INFO L226 Difference]: Without dead ends: 14228 [2022-10-16 16:36:39,336 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 [2022-10-16 16:36:39,337 INFO L413 NwaCegarLoop]: 3239 mSDtfsCounter, 10793 mSDsluCounter, 6838 mSDsCounter, 0 mSdLazyCounter, 6263 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10793 SdHoareTripleChecker+Valid, 10077 SdHoareTripleChecker+Invalid, 6282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:39,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10793 Valid, 10077 Invalid, 6282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6263 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 16:36:39,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14228 states. [2022-10-16 16:36:40,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14228 to 14165. [2022-10-16 16:36:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14165 states, 13890 states have (on average 1.453491720662347) internal successors, (20189), 14164 states have internal predecessors, (20189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14165 states to 14165 states and 20189 transitions. [2022-10-16 16:36:40,171 INFO L78 Accepts]: Start accepts. Automaton has 14165 states and 20189 transitions. Word has length 108 [2022-10-16 16:36:40,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:40,172 INFO L495 AbstractCegarLoop]: Abstraction has 14165 states and 20189 transitions. [2022-10-16 16:36:40,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 14165 states and 20189 transitions. [2022-10-16 16:36:40,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:36:40,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:40,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:40,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:36:40,178 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1296ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:40,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:40,178 INFO L85 PathProgramCache]: Analyzing trace with hash 23051539, now seen corresponding path program 1 times [2022-10-16 16:36:40,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:40,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326301636] [2022-10-16 16:36:40,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:40,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:40,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:40,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326301636] [2022-10-16 16:36:40,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326301636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:40,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:40,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:40,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136104970] [2022-10-16 16:36:40,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:40,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:40,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:40,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:40,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:40,366 INFO L87 Difference]: Start difference. First operand 14165 states and 20189 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:45,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:45,037 INFO L93 Difference]: Finished difference Result 15152 states and 21650 transitions. [2022-10-16 16:36:45,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:45,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:36:45,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:45,055 INFO L225 Difference]: With dead ends: 15152 [2022-10-16 16:36:45,055 INFO L226 Difference]: Without dead ends: 15145 [2022-10-16 16:36:45,059 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 [2022-10-16 16:36:45,059 INFO L413 NwaCegarLoop]: 3366 mSDtfsCounter, 4882 mSDsluCounter, 5235 mSDsCounter, 0 mSdLazyCounter, 6432 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4882 SdHoareTripleChecker+Valid, 8601 SdHoareTripleChecker+Invalid, 6481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 6432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:45,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4882 Valid, 8601 Invalid, 6481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 6432 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 16:36:45,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15145 states. [2022-10-16 16:36:45,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15145 to 15088. [2022-10-16 16:36:45,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15088 states, 14817 states have (on average 1.4596746979820476) internal successors, (21628), 15087 states have internal predecessors, (21628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15088 states to 15088 states and 21628 transitions. [2022-10-16 16:36:45,878 INFO L78 Accepts]: Start accepts. Automaton has 15088 states and 21628 transitions. Word has length 108 [2022-10-16 16:36:45,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:45,878 INFO L495 AbstractCegarLoop]: Abstraction has 15088 states and 21628 transitions. [2022-10-16 16:36:45,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 15088 states and 21628 transitions. [2022-10-16 16:36:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:36:45,884 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:45,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:45,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:36:45,884 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1870ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:45,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:45,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1220057189, now seen corresponding path program 1 times [2022-10-16 16:36:45,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:45,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953913051] [2022-10-16 16:36:45,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:45,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:46,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:46,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953913051] [2022-10-16 16:36:46,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953913051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:46,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:46,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:46,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944808824] [2022-10-16 16:36:46,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:46,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:46,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:46,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:46,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:46,072 INFO L87 Difference]: Start difference. First operand 15088 states and 21628 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:50,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:50,526 INFO L93 Difference]: Finished difference Result 15463 states and 22106 transitions. [2022-10-16 16:36:50,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:50,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:36:50,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:50,543 INFO L225 Difference]: With dead ends: 15463 [2022-10-16 16:36:50,543 INFO L226 Difference]: Without dead ends: 15455 [2022-10-16 16:36:50,547 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 [2022-10-16 16:36:50,547 INFO L413 NwaCegarLoop]: 3380 mSDtfsCounter, 11956 mSDsluCounter, 4571 mSDsCounter, 0 mSdLazyCounter, 5493 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11956 SdHoareTripleChecker+Valid, 7951 SdHoareTripleChecker+Invalid, 5536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 5493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:50,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11956 Valid, 7951 Invalid, 5536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 5493 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 16:36:50,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15455 states. [2022-10-16 16:36:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15455 to 15392. [2022-10-16 16:36:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15392 states, 15126 states have (on average 1.460531535105117) internal successors, (22092), 15391 states have internal predecessors, (22092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:51,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15392 states to 15392 states and 22092 transitions. [2022-10-16 16:36:51,401 INFO L78 Accepts]: Start accepts. Automaton has 15392 states and 22092 transitions. Word has length 108 [2022-10-16 16:36:51,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:51,402 INFO L495 AbstractCegarLoop]: Abstraction has 15392 states and 22092 transitions. [2022-10-16 16:36:51,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:51,402 INFO L276 IsEmpty]: Start isEmpty. Operand 15392 states and 22092 transitions. [2022-10-16 16:36:51,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:36:51,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:51,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:51,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:36:51,408 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1616ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:51,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:51,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1707040644, now seen corresponding path program 1 times [2022-10-16 16:36:51,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:51,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980594593] [2022-10-16 16:36:51,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:51,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:51,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:51,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980594593] [2022-10-16 16:36:51,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980594593] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:51,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:51,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:51,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666136669] [2022-10-16 16:36:51,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:51,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:51,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:51,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:51,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:51,596 INFO L87 Difference]: Start difference. First operand 15392 states and 22092 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:55,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:55,926 INFO L93 Difference]: Finished difference Result 15455 states and 22092 transitions. [2022-10-16 16:36:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:36:55,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:36:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:55,943 INFO L225 Difference]: With dead ends: 15455 [2022-10-16 16:36:55,944 INFO L226 Difference]: Without dead ends: 15447 [2022-10-16 16:36:55,947 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 [2022-10-16 16:36:55,948 INFO L413 NwaCegarLoop]: 3439 mSDtfsCounter, 10641 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 5442 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10641 SdHoareTripleChecker+Valid, 8738 SdHoareTripleChecker+Invalid, 5463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:55,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10641 Valid, 8738 Invalid, 5463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5442 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 16:36:55,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15447 states. [2022-10-16 16:36:56,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15447 to 15387. [2022-10-16 16:36:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15387 states, 15126 states have (on average 1.459010974481026) internal successors, (22069), 15386 states have internal predecessors, (22069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15387 states to 15387 states and 22069 transitions. [2022-10-16 16:36:56,806 INFO L78 Accepts]: Start accepts. Automaton has 15387 states and 22069 transitions. Word has length 108 [2022-10-16 16:36:56,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:56,806 INFO L495 AbstractCegarLoop]: Abstraction has 15387 states and 22069 transitions. [2022-10-16 16:36:56,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 15387 states and 22069 transitions. [2022-10-16 16:36:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:36:56,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:56,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:56,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:36:56,812 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr859ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:36:56,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:56,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1304075617, now seen corresponding path program 1 times [2022-10-16 16:36:56,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:56,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285850354] [2022-10-16 16:36:56,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:56,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:57,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:57,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285850354] [2022-10-16 16:36:57,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285850354] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:57,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:57,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:57,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297113368] [2022-10-16 16:36:57,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:57,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:57,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:57,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:57,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:57,017 INFO L87 Difference]: Start difference. First operand 15387 states and 22069 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:01,539 INFO L93 Difference]: Finished difference Result 18861 states and 27435 transitions. [2022-10-16 16:37:01,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:01,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:37:01,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:01,561 INFO L225 Difference]: With dead ends: 18861 [2022-10-16 16:37:01,561 INFO L226 Difference]: Without dead ends: 18850 [2022-10-16 16:37:01,566 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 [2022-10-16 16:37:01,567 INFO L413 NwaCegarLoop]: 3126 mSDtfsCounter, 13697 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 4855 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13697 SdHoareTripleChecker+Valid, 6541 SdHoareTripleChecker+Invalid, 4982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 4855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:01,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13697 Valid, 6541 Invalid, 4982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 4855 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 16:37:01,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18850 states. [2022-10-16 16:37:02,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18850 to 18778. [2022-10-16 16:37:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18778 states, 18525 states have (on average 1.478110661268556) internal successors, (27382), 18777 states have internal predecessors, (27382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18778 states to 18778 states and 27382 transitions. [2022-10-16 16:37:02,628 INFO L78 Accepts]: Start accepts. Automaton has 18778 states and 27382 transitions. Word has length 109 [2022-10-16 16:37:02,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:02,629 INFO L495 AbstractCegarLoop]: Abstraction has 18778 states and 27382 transitions. [2022-10-16 16:37:02,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 18778 states and 27382 transitions. [2022-10-16 16:37:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:37:02,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:02,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:02,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:37:02,633 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr825ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:02,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash -762968607, now seen corresponding path program 1 times [2022-10-16 16:37:02,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:02,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961847973] [2022-10-16 16:37:02,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:02,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:02,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:02,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961847973] [2022-10-16 16:37:02,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961847973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:02,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:02,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:02,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168011275] [2022-10-16 16:37:02,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:02,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:02,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:02,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:02,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:02,820 INFO L87 Difference]: Start difference. First operand 18778 states and 27382 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:07,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:07,816 INFO L93 Difference]: Finished difference Result 18823 states and 27382 transitions. [2022-10-16 16:37:07,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:07,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:37:07,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:07,839 INFO L225 Difference]: With dead ends: 18823 [2022-10-16 16:37:07,839 INFO L226 Difference]: Without dead ends: 18816 [2022-10-16 16:37:07,844 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 [2022-10-16 16:37:07,845 INFO L413 NwaCegarLoop]: 3452 mSDtfsCounter, 6041 mSDsluCounter, 4556 mSDsCounter, 0 mSdLazyCounter, 6140 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6041 SdHoareTripleChecker+Valid, 8008 SdHoareTripleChecker+Invalid, 6239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 6140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:07,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6041 Valid, 8008 Invalid, 6239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 6140 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 16:37:07,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18816 states. [2022-10-16 16:37:08,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18816 to 17847. [2022-10-16 16:37:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17847 states, 17598 states have (on average 1.469655642686669) internal successors, (25863), 17846 states have internal predecessors, (25863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:08,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17847 states to 17847 states and 25863 transitions. [2022-10-16 16:37:08,907 INFO L78 Accepts]: Start accepts. Automaton has 17847 states and 25863 transitions. Word has length 109 [2022-10-16 16:37:08,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:08,907 INFO L495 AbstractCegarLoop]: Abstraction has 17847 states and 25863 transitions. [2022-10-16 16:37:08,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:08,907 INFO L276 IsEmpty]: Start isEmpty. Operand 17847 states and 25863 transitions. [2022-10-16 16:37:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:37:08,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:08,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:08,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:37:08,912 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1331ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:08,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:08,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1446323214, now seen corresponding path program 1 times [2022-10-16 16:37:08,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:08,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596308600] [2022-10-16 16:37:08,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:08,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:09,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:09,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596308600] [2022-10-16 16:37:09,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596308600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:09,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:09,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:09,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561213324] [2022-10-16 16:37:09,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:09,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:09,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:09,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:09,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:09,097 INFO L87 Difference]: Start difference. First operand 17847 states and 25863 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:14,156 INFO L93 Difference]: Finished difference Result 21618 states and 31563 transitions. [2022-10-16 16:37:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:14,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:37:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:14,266 INFO L225 Difference]: With dead ends: 21618 [2022-10-16 16:37:14,267 INFO L226 Difference]: Without dead ends: 21610 [2022-10-16 16:37:14,271 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 [2022-10-16 16:37:14,272 INFO L413 NwaCegarLoop]: 2926 mSDtfsCounter, 13557 mSDsluCounter, 4611 mSDsCounter, 0 mSdLazyCounter, 5292 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13557 SdHoareTripleChecker+Valid, 7537 SdHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 5292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:14,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13557 Valid, 7537 Invalid, 5409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 5292 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 16:37:14,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21610 states. [2022-10-16 16:37:15,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21610 to 20314. [2022-10-16 16:37:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20314 states, 20070 states have (on average 1.4771300448430493) internal successors, (29646), 20313 states have internal predecessors, (29646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20314 states to 20314 states and 29646 transitions. [2022-10-16 16:37:15,595 INFO L78 Accepts]: Start accepts. Automaton has 20314 states and 29646 transitions. Word has length 109 [2022-10-16 16:37:15,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:15,595 INFO L495 AbstractCegarLoop]: Abstraction has 20314 states and 29646 transitions. [2022-10-16 16:37:15,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:15,595 INFO L276 IsEmpty]: Start isEmpty. Operand 20314 states and 29646 transitions. [2022-10-16 16:37:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:37:15,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:15,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:15,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:37:15,599 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1871ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:15,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:15,600 INFO L85 PathProgramCache]: Analyzing trace with hash -832919065, now seen corresponding path program 1 times [2022-10-16 16:37:15,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:15,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818622756] [2022-10-16 16:37:15,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:15,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:15,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:15,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818622756] [2022-10-16 16:37:15,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818622756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:15,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:15,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:15,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942341936] [2022-10-16 16:37:15,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:15,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:15,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:15,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:15,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:15,790 INFO L87 Difference]: Start difference. First operand 20314 states and 29646 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:20,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:20,662 INFO L93 Difference]: Finished difference Result 23173 states and 34029 transitions. [2022-10-16 16:37:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:20,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:37:20,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:20,695 INFO L225 Difference]: With dead ends: 23173 [2022-10-16 16:37:20,695 INFO L226 Difference]: Without dead ends: 23162 [2022-10-16 16:37:20,701 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 [2022-10-16 16:37:20,702 INFO L413 NwaCegarLoop]: 3126 mSDtfsCounter, 14229 mSDsluCounter, 3061 mSDsCounter, 0 mSdLazyCounter, 4788 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14229 SdHoareTripleChecker+Valid, 6187 SdHoareTripleChecker+Invalid, 4931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 4788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:20,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14229 Valid, 6187 Invalid, 4931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 4788 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 16:37:20,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23162 states. [2022-10-16 16:37:22,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23162 to 23087. [2022-10-16 16:37:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23087 states, 22851 states have (on average 1.4864557349787755) internal successors, (33967), 23086 states have internal predecessors, (33967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 33967 transitions. [2022-10-16 16:37:22,160 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 33967 transitions. Word has length 109 [2022-10-16 16:37:22,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:22,161 INFO L495 AbstractCegarLoop]: Abstraction has 23087 states and 33967 transitions. [2022-10-16 16:37:22,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 33967 transitions. [2022-10-16 16:37:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:37:22,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:22,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:22,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:37:22,168 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr362ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:22,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:22,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1252209798, now seen corresponding path program 1 times [2022-10-16 16:37:22,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:22,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864539152] [2022-10-16 16:37:22,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:22,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:22,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:22,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864539152] [2022-10-16 16:37:22,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864539152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:22,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:22,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:22,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289020940] [2022-10-16 16:37:22,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:22,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:22,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:22,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:22,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:22,346 INFO L87 Difference]: Start difference. First operand 23087 states and 33967 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:27,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:27,188 INFO L93 Difference]: Finished difference Result 25313 states and 37358 transitions. [2022-10-16 16:37:27,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:27,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:37:27,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:27,220 INFO L225 Difference]: With dead ends: 25313 [2022-10-16 16:37:27,221 INFO L226 Difference]: Without dead ends: 25309 [2022-10-16 16:37:27,227 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 [2022-10-16 16:37:27,227 INFO L413 NwaCegarLoop]: 5105 mSDtfsCounter, 1991 mSDsluCounter, 5506 mSDsCounter, 0 mSdLazyCounter, 4877 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 10611 SdHoareTripleChecker+Invalid, 4939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 4877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:27,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 10611 Invalid, 4939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 4877 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-16 16:37:27,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25309 states. [2022-10-16 16:37:28,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25309 to 24322. [2022-10-16 16:37:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24322 states, 24087 states have (on average 1.4854070660522274) internal successors, (35779), 24321 states have internal predecessors, (35779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24322 states to 24322 states and 35779 transitions. [2022-10-16 16:37:28,917 INFO L78 Accepts]: Start accepts. Automaton has 24322 states and 35779 transitions. Word has length 110 [2022-10-16 16:37:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:28,917 INFO L495 AbstractCegarLoop]: Abstraction has 24322 states and 35779 transitions. [2022-10-16 16:37:28,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 24322 states and 35779 transitions. [2022-10-16 16:37:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:37:28,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:28,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:28,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:37:28,922 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr396ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:28,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:28,922 INFO L85 PathProgramCache]: Analyzing trace with hash -372267962, now seen corresponding path program 1 times [2022-10-16 16:37:28,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:28,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255283144] [2022-10-16 16:37:28,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:28,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:29,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:29,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255283144] [2022-10-16 16:37:29,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255283144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:29,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:29,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:29,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682982522] [2022-10-16 16:37:29,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:29,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:29,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:29,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:29,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:29,121 INFO L87 Difference]: Start difference. First operand 24322 states and 35779 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:33,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:33,736 INFO L93 Difference]: Finished difference Result 25321 states and 37222 transitions. [2022-10-16 16:37:33,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:33,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:37:33,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:33,771 INFO L225 Difference]: With dead ends: 25321 [2022-10-16 16:37:33,771 INFO L226 Difference]: Without dead ends: 25315 [2022-10-16 16:37:33,779 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 [2022-10-16 16:37:33,780 INFO L413 NwaCegarLoop]: 3375 mSDtfsCounter, 8413 mSDsluCounter, 4042 mSDsCounter, 0 mSdLazyCounter, 4686 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8413 SdHoareTripleChecker+Valid, 7417 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 4686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:33,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8413 Valid, 7417 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 4686 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 16:37:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25315 states. [2022-10-16 16:37:35,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25315 to 25246. [2022-10-16 16:37:35,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25246 states, 25014 states have (on average 1.4872071639881665) internal successors, (37201), 25245 states have internal predecessors, (37201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25246 states to 25246 states and 37201 transitions. [2022-10-16 16:37:35,575 INFO L78 Accepts]: Start accepts. Automaton has 25246 states and 37201 transitions. Word has length 110 [2022-10-16 16:37:35,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:35,576 INFO L495 AbstractCegarLoop]: Abstraction has 25246 states and 37201 transitions. [2022-10-16 16:37:35,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 25246 states and 37201 transitions. [2022-10-16 16:37:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:37:35,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:35,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:35,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:37:35,581 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr860ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:35,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:35,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1771645384, now seen corresponding path program 1 times [2022-10-16 16:37:35,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:35,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146864445] [2022-10-16 16:37:35,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:35,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:35,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:35,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146864445] [2022-10-16 16:37:35,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146864445] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:35,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:35,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:35,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977719748] [2022-10-16 16:37:35,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:35,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:35,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:35,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:35,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:35,934 INFO L87 Difference]: Start difference. First operand 25246 states and 37201 transitions. Second operand has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:41,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:41,614 INFO L93 Difference]: Finished difference Result 25618 states and 37661 transitions. [2022-10-16 16:37:41,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:37:41,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:37:41,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:41,656 INFO L225 Difference]: With dead ends: 25618 [2022-10-16 16:37:41,657 INFO L226 Difference]: Without dead ends: 25612 [2022-10-16 16:37:41,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:37:41,664 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 13976 mSDsluCounter, 6499 mSDsCounter, 0 mSdLazyCounter, 6300 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13976 SdHoareTripleChecker+Valid, 10031 SdHoareTripleChecker+Invalid, 6325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 6300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:41,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13976 Valid, 10031 Invalid, 6325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 6300 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 16:37:41,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25612 states. [2022-10-16 16:37:43,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25612 to 25552. [2022-10-16 16:37:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25552 states, 25323 states have (on average 1.4867511748213087) internal successors, (37649), 25551 states have internal predecessors, (37649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25552 states to 25552 states and 37649 transitions. [2022-10-16 16:37:43,365 INFO L78 Accepts]: Start accepts. Automaton has 25552 states and 37649 transitions. Word has length 110 [2022-10-16 16:37:43,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:43,365 INFO L495 AbstractCegarLoop]: Abstraction has 25552 states and 37649 transitions. [2022-10-16 16:37:43,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 25552 states and 37649 transitions. [2022-10-16 16:37:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:37:43,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:43,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:43,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:37:43,370 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr826ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:43,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:43,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2117783678, now seen corresponding path program 1 times [2022-10-16 16:37:43,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:43,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402719552] [2022-10-16 16:37:43,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:43,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:43,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:43,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402719552] [2022-10-16 16:37:43,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402719552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:43,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:43,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:43,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493825433] [2022-10-16 16:37:43,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:43,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:43,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:43,578 INFO L87 Difference]: Start difference. First operand 25552 states and 37649 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:48,571 INFO L93 Difference]: Finished difference Result 27490 states and 40544 transitions. [2022-10-16 16:37:48,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:48,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:37:48,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:48,606 INFO L225 Difference]: With dead ends: 27490 [2022-10-16 16:37:48,606 INFO L226 Difference]: Without dead ends: 27484 [2022-10-16 16:37:48,613 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 [2022-10-16 16:37:48,613 INFO L413 NwaCegarLoop]: 3761 mSDtfsCounter, 8859 mSDsluCounter, 4541 mSDsCounter, 0 mSdLazyCounter, 4929 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8859 SdHoareTripleChecker+Valid, 8302 SdHoareTripleChecker+Invalid, 4986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 4929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:48,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8859 Valid, 8302 Invalid, 4986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 4929 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 16:37:48,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27484 states. [2022-10-16 16:37:50,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27484 to 26476. [2022-10-16 16:37:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26476 states, 26250 states have (on average 1.489104761904762) internal successors, (39089), 26475 states have internal predecessors, (39089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26476 states to 26476 states and 39089 transitions. [2022-10-16 16:37:50,627 INFO L78 Accepts]: Start accepts. Automaton has 26476 states and 39089 transitions. Word has length 110 [2022-10-16 16:37:50,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:50,628 INFO L495 AbstractCegarLoop]: Abstraction has 26476 states and 39089 transitions. [2022-10-16 16:37:50,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 26476 states and 39089 transitions. [2022-10-16 16:37:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:37:50,632 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:50,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:50,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:37:50,633 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr612ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:50,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:50,633 INFO L85 PathProgramCache]: Analyzing trace with hash 270970349, now seen corresponding path program 1 times [2022-10-16 16:37:50,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:50,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844267442] [2022-10-16 16:37:50,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:50,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:50,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:50,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844267442] [2022-10-16 16:37:50,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844267442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:50,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:50,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:50,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064696840] [2022-10-16 16:37:50,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:50,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:50,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:50,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:50,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:50,928 INFO L87 Difference]: Start difference. First operand 26476 states and 39089 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:56,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:56,071 INFO L93 Difference]: Finished difference Result 26848 states and 39558 transitions. [2022-10-16 16:37:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:56,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:37:56,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:56,106 INFO L225 Difference]: With dead ends: 26848 [2022-10-16 16:37:56,106 INFO L226 Difference]: Without dead ends: 26842 [2022-10-16 16:37:56,114 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 [2022-10-16 16:37:56,115 INFO L413 NwaCegarLoop]: 3509 mSDtfsCounter, 7664 mSDsluCounter, 5222 mSDsCounter, 0 mSdLazyCounter, 5273 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7664 SdHoareTripleChecker+Valid, 8731 SdHoareTripleChecker+Invalid, 5301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 5273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:56,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7664 Valid, 8731 Invalid, 5301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 5273 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 16:37:56,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26842 states. [2022-10-16 16:37:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26842 to 26782. [2022-10-16 16:37:57,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26782 states, 26559 states have (on average 1.4886479159606913) internal successors, (39537), 26781 states have internal predecessors, (39537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:57,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26782 states to 26782 states and 39537 transitions. [2022-10-16 16:37:57,996 INFO L78 Accepts]: Start accepts. Automaton has 26782 states and 39537 transitions. Word has length 110 [2022-10-16 16:37:57,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:57,996 INFO L495 AbstractCegarLoop]: Abstraction has 26782 states and 39537 transitions. [2022-10-16 16:37:57,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 26782 states and 39537 transitions. [2022-10-16 16:37:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:37:58,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:58,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:58,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:37:58,002 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1332ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:37:58,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:58,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1886336321, now seen corresponding path program 1 times [2022-10-16 16:37:58,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:58,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896766306] [2022-10-16 16:37:58,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:58,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:58,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:58,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896766306] [2022-10-16 16:37:58,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896766306] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:58,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:58,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:58,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891556423] [2022-10-16 16:37:58,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:58,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:58,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:58,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:58,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:58,206 INFO L87 Difference]: Start difference. First operand 26782 states and 39537 transitions. Second operand has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:04,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:04,373 INFO L93 Difference]: Finished difference Result 27154 states and 39997 transitions. [2022-10-16 16:38:04,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:38:04,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:38:04,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:04,411 INFO L225 Difference]: With dead ends: 27154 [2022-10-16 16:38:04,411 INFO L226 Difference]: Without dead ends: 27148 [2022-10-16 16:38:04,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:38:04,420 INFO L413 NwaCegarLoop]: 3320 mSDtfsCounter, 13742 mSDsluCounter, 8149 mSDsCounter, 0 mSdLazyCounter, 7133 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13742 SdHoareTripleChecker+Valid, 11469 SdHoareTripleChecker+Invalid, 7151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 7133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:04,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13742 Valid, 11469 Invalid, 7151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 7133 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 16:38:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27148 states. [2022-10-16 16:38:06,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27148 to 27088. [2022-10-16 16:38:06,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27088 states, 26868 states have (on average 1.4882015780854547) internal successors, (39985), 27087 states have internal predecessors, (39985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27088 states to 27088 states and 39985 transitions. [2022-10-16 16:38:06,417 INFO L78 Accepts]: Start accepts. Automaton has 27088 states and 39985 transitions. Word has length 110 [2022-10-16 16:38:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:06,417 INFO L495 AbstractCegarLoop]: Abstraction has 27088 states and 39985 transitions. [2022-10-16 16:38:06,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 27088 states and 39985 transitions. [2022-10-16 16:38:06,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:38:06,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:06,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:06,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:38:06,423 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1298ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-16 16:38:06,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:06,424 INFO L85 PathProgramCache]: Analyzing trace with hash 678017269, now seen corresponding path program 1 times [2022-10-16 16:38:06,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:06,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279428298] [2022-10-16 16:38:06,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:06,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:06,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:06,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279428298] [2022-10-16 16:38:06,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279428298] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:06,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:06,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:06,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223403686] [2022-10-16 16:38:06,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:06,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:06,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:06,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:06,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:06,637 INFO L87 Difference]: Start difference. First operand 27088 states and 39985 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)