/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:13:01,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:13:01,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:13:01,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 22:13:01,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:13:01,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:13:01,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:13:01,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:13:01,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:13:01,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:13:01,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:13:01,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:13:01,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:13:01,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:13:01,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:13:01,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:13:01,379 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:13:01,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:13:01,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:13:01,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:13:01,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:13:01,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:13:01,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:13:01,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:13:01,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:13:01,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:13:01,382 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:13:01,383 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:13:01,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:13:01,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:13:01,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:13:01,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:13:01,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:13:01,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:13:01,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:13:01,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:13:01,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:13:01,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:13:01,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:13:01,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:13:01,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:13:01,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:13:01,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:13:01,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:13:01,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:13:01,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:13:01,930 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:13:01,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-10-15 22:13:02,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85718824f/c7a2caca921b4c18a83c2b8c7de69652/FLAG69f8d8f86 [2022-10-15 22:13:03,727 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:13:03,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-10-15 22:13:03,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85718824f/c7a2caca921b4c18a83c2b8c7de69652/FLAG69f8d8f86 [2022-10-15 22:13:04,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85718824f/c7a2caca921b4c18a83c2b8c7de69652 [2022-10-15 22:13:04,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:13:04,090 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:13:04,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:13:04,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:13:04,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:13:04,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:13:04" (1/1) ... [2022-10-15 22:13:04,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ece805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:04, skipping insertion in model container [2022-10-15 22:13:04,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:13:04" (1/1) ... [2022-10-15 22:13:04,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:13:04,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:13:05,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2022-10-15 22:13:06,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2022-10-15 22:13:06,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2022-10-15 22:13:06,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2022-10-15 22:13:06,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2022-10-15 22:13:06,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2022-10-15 22:13:06,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2022-10-15 22:13:06,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2022-10-15 22:13:06,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2022-10-15 22:13:06,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2022-10-15 22:13:07,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2022-10-15 22:13:07,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2022-10-15 22:13:07,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2022-10-15 22:13:07,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2022-10-15 22:13:07,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2022-10-15 22:13:07,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2022-10-15 22:13:07,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2022-10-15 22:13:07,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2022-10-15 22:13:07,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2022-10-15 22:13:08,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:13:08,124 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:13:08,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2022-10-15 22:13:08,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2022-10-15 22:13:08,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2022-10-15 22:13:08,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2022-10-15 22:13:08,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2022-10-15 22:13:08,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2022-10-15 22:13:08,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2022-10-15 22:13:08,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2022-10-15 22:13:08,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2022-10-15 22:13:08,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2022-10-15 22:13:09,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2022-10-15 22:13:09,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2022-10-15 22:13:09,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2022-10-15 22:13:09,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2022-10-15 22:13:09,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2022-10-15 22:13:09,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2022-10-15 22:13:09,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2022-10-15 22:13:09,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2022-10-15 22:13:09,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2022-10-15 22:13:10,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:13:10,056 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:13:10,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10 WrapperNode [2022-10-15 22:13:10,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:13:10,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:13:10,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:13:10,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:13:10,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:10,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,124 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32664 [2022-10-15 22:13:11,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:13:11,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:13:11,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:13:11,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:13:11,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:13:11,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:13:11,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:13:11,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:13:11,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (1/1) ... [2022-10-15 22:13:11,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:13:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:13:11,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:13:12,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:13:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:13:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:13:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:13:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:13:12,981 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:13:12,984 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:13:29,870 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:13:29,959 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:13:29,959 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:13:29,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:13:29 BoogieIcfgContainer [2022-10-15 22:13:29,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:13:29,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:13:29,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:13:29,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:13:29,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:13:04" (1/3) ... [2022-10-15 22:13:29,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eaab9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:13:29, skipping insertion in model container [2022-10-15 22:13:29,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:10" (2/3) ... [2022-10-15 22:13:29,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eaab9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:13:29, skipping insertion in model container [2022-10-15 22:13:29,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:13:29" (3/3) ... [2022-10-15 22:13:29,987 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-10-15 22:13:30,011 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:13:30,012 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2900 error locations. [2022-10-15 22:13:30,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:13:30,314 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;@34c5166, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:13:30,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2900 error locations. [2022-10-15 22:13:30,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 12108 states, 9207 states have (on average 1.8459867492125557) internal successors, (16996), 12107 states have internal predecessors, (16996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:13:30,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:30,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:13:30,367 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-15 22:13:30,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:30,374 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:13:30,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:30,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516131745] [2022-10-15 22:13:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:30,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:13:30,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:30,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516131745] [2022-10-15 22:13:30,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516131745] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:30,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:30,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:13:30,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910570137] [2022-10-15 22:13:30,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:30,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:13:30,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:31,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:13:31,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:13:31,055 INFO L87 Difference]: Start difference. First operand has 12108 states, 9207 states have (on average 1.8459867492125557) internal successors, (16996), 12107 states have internal predecessors, (16996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:31,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:31,406 INFO L93 Difference]: Finished difference Result 12111 states and 16998 transitions. [2022-10-15 22:13:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:13:31,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 22:13:31,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:31,508 INFO L225 Difference]: With dead ends: 12111 [2022-10-15 22:13:31,509 INFO L226 Difference]: Without dead ends: 12085 [2022-10-15 22:13:31,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:13:31,534 INFO L413 NwaCegarLoop]: 16969 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16969 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:31,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16969 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:13:31,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states. [2022-10-15 22:13:32,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 12085. [2022-10-15 22:13:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12085 states, 9193 states have (on average 1.5188730555857717) internal successors, (13963), 12084 states have internal predecessors, (13963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12085 states to 12085 states and 13963 transitions. [2022-10-15 22:13:32,346 INFO L78 Accepts]: Start accepts. Automaton has 12085 states and 13963 transitions. Word has length 4 [2022-10-15 22:13:32,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:32,347 INFO L495 AbstractCegarLoop]: Abstraction has 12085 states and 13963 transitions. [2022-10-15 22:13:32,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 12085 states and 13963 transitions. [2022-10-15 22:13:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:13:32,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:32,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:32,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:13:32,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2198ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-15 22:13:32,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:32,356 INFO L85 PathProgramCache]: Analyzing trace with hash -675459544, now seen corresponding path program 1 times [2022-10-15 22:13:32,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:32,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50636241] [2022-10-15 22:13:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:32,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:13:33,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:33,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50636241] [2022-10-15 22:13:33,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50636241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:33,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:33,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:33,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986379446] [2022-10-15 22:13:33,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:33,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:13:33,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:33,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:13:33,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:33,049 INFO L87 Difference]: Start difference. First operand 12085 states and 13963 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:38,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:38,598 INFO L93 Difference]: Finished difference Result 12381 states and 14371 transitions. [2022-10-15 22:13:38,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:13:38,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:13:38,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:38,668 INFO L225 Difference]: With dead ends: 12381 [2022-10-15 22:13:38,669 INFO L226 Difference]: Without dead ends: 12157 [2022-10-15 22:13:38,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:38,678 INFO L413 NwaCegarLoop]: 9921 mSDtfsCounter, 22877 mSDsluCounter, 3565 mSDsCounter, 0 mSdLazyCounter, 5438 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22877 SdHoareTripleChecker+Valid, 13486 SdHoareTripleChecker+Invalid, 5715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 5438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:38,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22877 Valid, 13486 Invalid, 5715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [277 Valid, 5438 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-15 22:13:38,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12157 states. [2022-10-15 22:13:39,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12157 to 12000. [2022-10-15 22:13:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12000 states, 9330 states have (on average 1.4952840300107182) internal successors, (13951), 11999 states have internal predecessors, (13951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:39,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12000 states to 12000 states and 13951 transitions. [2022-10-15 22:13:39,180 INFO L78 Accepts]: Start accepts. Automaton has 12000 states and 13951 transitions. Word has length 59 [2022-10-15 22:13:39,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:39,182 INFO L495 AbstractCegarLoop]: Abstraction has 12000 states and 13951 transitions. [2022-10-15 22:13:39,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:39,182 INFO L276 IsEmpty]: Start isEmpty. Operand 12000 states and 13951 transitions. [2022-10-15 22:13:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:13:39,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:39,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:39,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:13:39,195 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2199ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-15 22:13:39,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:39,197 INFO L85 PathProgramCache]: Analyzing trace with hash 535616865, now seen corresponding path program 1 times [2022-10-15 22:13:39,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:39,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106520435] [2022-10-15 22:13:39,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:39,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:13:39,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:39,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106520435] [2022-10-15 22:13:39,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106520435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:39,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:39,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:39,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981638089] [2022-10-15 22:13:39,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:39,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:13:39,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:39,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:13:39,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:39,572 INFO L87 Difference]: Start difference. First operand 12000 states and 13951 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 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) [2022-10-15 22:13:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:44,640 INFO L93 Difference]: Finished difference Result 12139 states and 14147 transitions. [2022-10-15 22:13:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:13:44,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 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 [2022-10-15 22:13:44,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:44,685 INFO L225 Difference]: With dead ends: 12139 [2022-10-15 22:13:44,685 INFO L226 Difference]: Without dead ends: 11887 [2022-10-15 22:13:44,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:44,700 INFO L413 NwaCegarLoop]: 9341 mSDtfsCounter, 25771 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 4548 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25771 SdHoareTripleChecker+Valid, 10383 SdHoareTripleChecker+Invalid, 4943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 4548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:44,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25771 Valid, 10383 Invalid, 4943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [395 Valid, 4548 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-10-15 22:13:44,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11887 states. [2022-10-15 22:13:45,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11887 to 11871. [2022-10-15 22:13:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11871 states, 9451 states have (on average 1.4700031742672732) internal successors, (13893), 11870 states have internal predecessors, (13893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11871 states to 11871 states and 13893 transitions. [2022-10-15 22:13:45,104 INFO L78 Accepts]: Start accepts. Automaton has 11871 states and 13893 transitions. Word has length 60 [2022-10-15 22:13:45,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:45,105 INFO L495 AbstractCegarLoop]: Abstraction has 11871 states and 13893 transitions. [2022-10-15 22:13:45,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 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) [2022-10-15 22:13:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 11871 states and 13893 transitions. [2022-10-15 22:13:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:13:45,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:45,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:45,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:13:45,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2200ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-15 22:13:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:45,109 INFO L85 PathProgramCache]: Analyzing trace with hash -575720118, now seen corresponding path program 1 times [2022-10-15 22:13:45,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:45,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221948819] [2022-10-15 22:13:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:45,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:13:45,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:45,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221948819] [2022-10-15 22:13:45,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221948819] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:45,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:45,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:45,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110116850] [2022-10-15 22:13:45,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:45,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:45,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:45,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:45,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:45,469 INFO L87 Difference]: Start difference. First operand 11871 states and 13893 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)