/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/xcsp/AllInterval-006.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 11:42:28,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 11:42:28,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 11:42:28,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 11:42:28,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 11:42:28,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 11:42:28,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 11:42:28,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 11:42:28,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 11:42:28,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 11:42:28,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 11:42:28,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 11:42:28,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 11:42:28,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 11:42:28,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 11:42:28,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 11:42:28,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 11:42:28,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 11:42:28,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 11:42:28,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 11:42:28,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 11:42:28,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 11:42:28,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 11:42:28,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 11:42:28,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 11:42:28,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 11:42:28,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 11:42:28,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 11:42:28,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 11:42:28,755 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 11:42:28,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 11:42:28,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 11:42:28,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 11:42:28,757 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 11:42:28,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 11:42:28,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 11:42:28,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 11:42:28,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 11:42:28,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 11:42:28,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 11:42:28,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 11:42:28,759 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 11:42:28,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 11:42:28,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 11:42:28,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 11:42:28,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 11:42:28,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:42:28,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 11:42:28,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 11:42:28,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 11:42:28,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 11:42:28,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 11:42:28,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 11:42:28,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 11:42:28,762 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 11:42:29,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 11:42:29,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 11:42:29,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 11:42:29,173 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 11:42:29,174 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 11:42:29,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-006.c [2020-12-23 11:42:29,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7b0cc9d66/6211e40c4cfe47e3842ecd09ef0c50ab/FLAG6c360b58b [2020-12-23 11:42:29,972 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 11:42:29,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-006.c [2020-12-23 11:42:29,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7b0cc9d66/6211e40c4cfe47e3842ecd09ef0c50ab/FLAG6c360b58b [2020-12-23 11:42:30,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7b0cc9d66/6211e40c4cfe47e3842ecd09ef0c50ab [2020-12-23 11:42:30,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 11:42:30,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 11:42:30,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 11:42:30,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 11:42:30,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 11:42:30,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730877a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30, skipping insertion in model container [2020-12-23 11:42:30,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 11:42:30,354 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] [2020-12-23 11:42:30,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-006.c[3098,3111] [2020-12-23 11:42:30,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:42:30,577 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] [2020-12-23 11:42:30,614 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-006.c[3098,3111] [2020-12-23 11:42:30,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:42:30,646 INFO L208 MainTranslator]: Completed translation [2020-12-23 11:42:30,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30 WrapperNode [2020-12-23 11:42:30,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 11:42:30,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 11:42:30,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 11:42:30,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 11:42:30,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 11:42:30,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 11:42:30,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 11:42:30,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 11:42:30,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... [2020-12-23 11:42:30,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 11:42:30,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 11:42:30,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 11:42:30,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 11:42:30,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:42:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 11:42:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 11:42:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 11:42:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 11:42:31,874 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 11:42:31,874 INFO L299 CfgBuilder]: Removed 108 assume(true) statements. [2020-12-23 11:42:31,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:42:31 BoogieIcfgContainer [2020-12-23 11:42:31,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 11:42:31,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 11:42:31,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 11:42:31,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 11:42:31,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:42:30" (1/3) ... [2020-12-23 11:42:31,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728f9ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:42:31, skipping insertion in model container [2020-12-23 11:42:31,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:42:30" (2/3) ... [2020-12-23 11:42:31,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728f9ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:42:31, skipping insertion in model container [2020-12-23 11:42:31,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:42:31" (3/3) ... [2020-12-23 11:42:31,887 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-006.c [2020-12-23 11:42:31,895 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 11:42:31,901 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 11:42:31,947 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 11:42:32,013 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 11:42:32,013 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 11:42:32,013 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 11:42:32,014 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 11:42:32,014 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 11:42:32,014 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 11:42:32,014 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 11:42:32,015 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 11:42:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-12-23 11:42:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 11:42:32,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:42:32,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:42:32,056 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:42:32,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:42:32,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1389823289, now seen corresponding path program 1 times [2020-12-23 11:42:32,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:42:32,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3653576] [2020-12-23 11:42:32,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:42:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:42:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:42:32,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3653576] [2020-12-23 11:42:32,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:42:32,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 11:42:32,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025871156] [2020-12-23 11:42:32,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 11:42:32,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:42:32,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 11:42:32,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 11:42:32,403 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-12-23 11:42:32,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:42:32,435 INFO L93 Difference]: Finished difference Result 234 states and 346 transitions. [2020-12-23 11:42:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 11:42:32,437 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 116 [2020-12-23 11:42:32,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:42:32,448 INFO L225 Difference]: With dead ends: 234 [2020-12-23 11:42:32,448 INFO L226 Difference]: Without dead ends: 117 [2020-12-23 11:42:32,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 11:42:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-23 11:42:32,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-12-23 11:42:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-23 11:42:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 121 transitions. [2020-12-23 11:42:32,498 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 121 transitions. Word has length 116 [2020-12-23 11:42:32,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:42:32,498 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 121 transitions. [2020-12-23 11:42:32,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 11:42:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2020-12-23 11:42:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 11:42:32,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:42:32,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:42:32,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 11:42:32,504 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:42:32,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:42:32,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1985819869, now seen corresponding path program 1 times [2020-12-23 11:42:32,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:42:32,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453090911] [2020-12-23 11:42:32,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:42:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:42:33,960 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-23 11:42:34,133 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-12-23 11:42:34,353 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-23 11:42:34,557 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-23 11:42:34,839 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-12-23 11:42:35,080 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-12-23 11:42:35,364 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-23 11:42:35,616 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-12-23 11:42:35,874 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-12-23 11:42:36,149 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-12-23 11:42:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:42:36,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453090911] [2020-12-23 11:42:36,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:42:36,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2020-12-23 11:42:36,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016401362] [2020-12-23 11:42:36,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-12-23 11:42:36,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:42:36,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-12-23 11:42:36,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2020-12-23 11:42:36,762 INFO L87 Difference]: Start difference. First operand 117 states and 121 transitions. Second operand 29 states. [2020-12-23 11:42:37,901 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-12-23 11:42:38,789 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-23 11:42:39,089 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-23 11:42:39,330 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-23 11:42:39,557 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-12-23 11:42:39,749 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-23 11:42:39,936 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-23 11:42:40,165 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-23 11:42:40,353 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-23 11:42:40,537 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-23 11:42:40,734 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-23 11:42:40,928 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-23 11:42:41,154 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-23 11:42:41,359 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-23 11:42:41,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:42:41,424 INFO L93 Difference]: Finished difference Result 153 states and 160 transitions. [2020-12-23 11:42:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-23 11:42:41,425 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 116 [2020-12-23 11:42:41,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:42:41,435 INFO L225 Difference]: With dead ends: 153 [2020-12-23 11:42:41,436 INFO L226 Difference]: Without dead ends: 145 [2020-12-23 11:42:41,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=831, Invalid=2249, Unknown=0, NotChecked=0, Total=3080 [2020-12-23 11:42:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-12-23 11:42:41,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2020-12-23 11:42:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-23 11:42:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 130 transitions. [2020-12-23 11:42:41,467 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 130 transitions. Word has length 116 [2020-12-23 11:42:41,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:42:41,471 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 130 transitions. [2020-12-23 11:42:41,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-12-23 11:42:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2020-12-23 11:42:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 11:42:41,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:42:41,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:42:41,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 11:42:41,477 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:42:41,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:42:41,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1176473243, now seen corresponding path program 1 times [2020-12-23 11:42:41,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:42:41,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851501548] [2020-12-23 11:42:41,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:42:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 11:42:41,839 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 11:42:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 11:42:42,129 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 11:42:42,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 11:42:42,178 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 11:42:42,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 11:42:42,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 11:42:42 BoogieIcfgContainer [2020-12-23 11:42:42,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 11:42:42,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 11:42:42,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 11:42:42,259 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 11:42:42,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:42:31" (3/4) ... [2020-12-23 11:42:42,262 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 11:42:42,361 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/xcsp/AllInterval-006.c-witness.graphml [2020-12-23 11:42:42,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 11:42:42,363 INFO L168 Benchmark]: Toolchain (without parser) took 12065.76 ms. Allocated memory was 153.1 MB in the beginning and 206.6 MB in the end (delta: 53.5 MB). Free memory was 128.7 MB in the beginning and 129.6 MB in the end (delta: -923.5 kB). Peak memory consumption was 53.8 MB. Max. memory is 8.0 GB. [2020-12-23 11:42:42,363 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 11:42:42,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.17 ms. Allocated memory is still 153.1 MB. Free memory was 128.5 MB in the beginning and 117.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 11:42:42,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.72 ms. Allocated memory is still 153.1 MB. Free memory was 117.5 MB in the beginning and 114.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 11:42:42,370 INFO L168 Benchmark]: Boogie Preprocessor took 68.92 ms. Allocated memory is still 153.1 MB. Free memory was 114.7 MB in the beginning and 112.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 11:42:42,371 INFO L168 Benchmark]: RCFGBuilder took 1029.81 ms. Allocated memory is still 153.1 MB. Free memory was 112.8 MB in the beginning and 112.0 MB in the end (delta: 851.9 kB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. [2020-12-23 11:42:42,372 INFO L168 Benchmark]: TraceAbstraction took 10379.11 ms. Allocated memory was 153.1 MB in the beginning and 206.6 MB in the end (delta: 53.5 MB). Free memory was 111.4 MB in the beginning and 136.4 MB in the end (delta: -25.0 MB). Peak memory consumption was 101.3 MB. Max. memory is 8.0 GB. [2020-12-23 11:42:42,374 INFO L168 Benchmark]: Witness Printer took 102.54 ms. Allocated memory is still 206.6 MB. Free memory was 136.4 MB in the beginning and 129.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-23 11:42:42,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 346.17 ms. Allocated memory is still 153.1 MB. Free memory was 128.5 MB in the beginning and 117.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 126.72 ms. Allocated memory is still 153.1 MB. Free memory was 117.5 MB in the beginning and 114.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 68.92 ms. Allocated memory is still 153.1 MB. Free memory was 114.7 MB in the beginning and 112.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1029.81 ms. Allocated memory is still 153.1 MB. Free memory was 112.8 MB in the beginning and 112.0 MB in the end (delta: 851.9 kB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10379.11 ms. Allocated memory was 153.1 MB in the beginning and 206.6 MB in the end (delta: 53.5 MB). Free memory was 111.4 MB in the beginning and 136.4 MB in the end (delta: -25.0 MB). Peak memory consumption was 101.3 MB. Max. memory is 8.0 GB. * Witness Printer took 102.54 ms. Allocated memory is still 206.6 MB. Free memory was 136.4 MB in the beginning and 129.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 113]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L97] int var_for_abs; [L98] var_for_abs = var0 - var1 [L99] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L99] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L101] var_for_abs = var1 - var2 [L102] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L102] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L104] var_for_abs = var2 - var3 [L105] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L105] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L107] var_for_abs = var3 - var4 [L108] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L108] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L110] var_for_abs = var4 - var5 [L111] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L111] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L113] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 196 SDtfs, 1536 SDslu, 418 SDs, 0 SdLazy, 788 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 780620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...