/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/nla-digbench-scaling/egcd-ll_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 07:37:25,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 07:37:25,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 07:37:25,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 07:37:25,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 07:37:25,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 07:37:25,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 07:37:25,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 07:37:25,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 07:37:25,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 07:37:25,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 07:37:25,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 07:37:25,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 07:37:25,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 07:37:25,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 07:37:25,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 07:37:25,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 07:37:25,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 07:37:25,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 07:37:25,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 07:37:25,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 07:37:25,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 07:37:25,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 07:37:25,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 07:37:25,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 07:37:25,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 07:37:25,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 07:37:25,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 07:37:25,907 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 07:37:25,934 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 07:37:25,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 07:37:25,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 07:37:25,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 07:37:25,936 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 07:37:25,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 07:37:25,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 07:37:25,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 07:37:25,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 07:37:25,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 07:37:25,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 07:37:25,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 07:37:25,938 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 07:37:25,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 07:37:25,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 07:37:25,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 07:37:25,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 07:37:25,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 07:37:25,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 07:37:25,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 07:37:25,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 07:37:25,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 07:37:25,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 07:37:25,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 07:37:25,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 07:37:25,941 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 07:37:26,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 07:37:26,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 07:37:26,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 07:37:26,371 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 07:37:26,372 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 07:37:26,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2020-12-23 07:37:26,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/504b062f7/312e0cb425804dea9b853606a3ff134c/FLAG696847b06 [2020-12-23 07:37:27,028 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 07:37:27,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2020-12-23 07:37:27,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/504b062f7/312e0cb425804dea9b853606a3ff134c/FLAG696847b06 [2020-12-23 07:37:27,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/504b062f7/312e0cb425804dea9b853606a3ff134c [2020-12-23 07:37:27,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 07:37:27,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 07:37:27,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 07:37:27,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 07:37:27,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 07:37:27,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d04d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27, skipping insertion in model container [2020-12-23 07:37:27,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 07:37:27,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 07:37:27,617 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/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] [2020-12-23 07:37:27,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:37:27,648 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 07:37:27,660 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/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] [2020-12-23 07:37:27,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:37:27,686 INFO L208 MainTranslator]: Completed translation [2020-12-23 07:37:27,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27 WrapperNode [2020-12-23 07:37:27,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 07:37:27,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 07:37:27,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 07:37:27,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 07:37:27,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 07:37:27,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 07:37:27,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 07:37:27,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 07:37:27,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (1/1) ... [2020-12-23 07:37:27,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 07:37:27,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 07:37:27,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 07:37:27,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 07:37:27,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (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 07:37:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 07:37:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 07:37:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 07:37:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 07:37:28,217 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 07:37:28,217 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2020-12-23 07:37:28,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:37:28 BoogieIcfgContainer [2020-12-23 07:37:28,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 07:37:28,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 07:37:28,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 07:37:28,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 07:37:28,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:37:27" (1/3) ... [2020-12-23 07:37:28,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b997e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:37:28, skipping insertion in model container [2020-12-23 07:37:28,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:37:27" (2/3) ... [2020-12-23 07:37:28,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b997e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:37:28, skipping insertion in model container [2020-12-23 07:37:28,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:37:28" (3/3) ... [2020-12-23 07:37:28,229 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound2.c [2020-12-23 07:37:28,237 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 07:37:28,243 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-12-23 07:37:28,268 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-23 07:37:28,303 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 07:37:28,303 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 07:37:28,303 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 07:37:28,304 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 07:37:28,304 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 07:37:28,304 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 07:37:28,304 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 07:37:28,304 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 07:37:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-12-23 07:37:28,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 07:37:28,347 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:28,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:28,351 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:28,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:28,363 INFO L82 PathProgramCache]: Analyzing trace with hash -144177098, now seen corresponding path program 1 times [2020-12-23 07:37:28,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:28,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383174749] [2020-12-23 07:37:28,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:28,672 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 07:37:28,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383174749] [2020-12-23 07:37:28,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:37:28,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 07:37:28,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29662144] [2020-12-23 07:37:28,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 07:37:28,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:28,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 07:37:28,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 07:37:28,704 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-12-23 07:37:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:28,730 INFO L93 Difference]: Finished difference Result 85 states and 112 transitions. [2020-12-23 07:37:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 07:37:28,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-12-23 07:37:28,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:28,744 INFO L225 Difference]: With dead ends: 85 [2020-12-23 07:37:28,744 INFO L226 Difference]: Without dead ends: 40 [2020-12-23 07:37:28,748 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 07:37:28,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-23 07:37:28,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-23 07:37:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-23 07:37:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-12-23 07:37:28,796 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 13 [2020-12-23 07:37:28,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:28,796 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-12-23 07:37:28,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 07:37:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-12-23 07:37:28,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 07:37:28,797 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:28,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:28,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 07:37:28,798 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:28,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:28,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1281167042, now seen corresponding path program 1 times [2020-12-23 07:37:28,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:28,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097809059] [2020-12-23 07:37:28,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:28,825 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:28,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1015482368] [2020-12-23 07:37:28,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:28,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-23 07:37:28,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:29,047 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 07:37:29,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097809059] [2020-12-23 07:37:29,048 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:29,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015482368] [2020-12-23 07:37:29,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:37:29,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 07:37:29,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173718559] [2020-12-23 07:37:29,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 07:37:29,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:29,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 07:37:29,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 07:37:29,064 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 5 states. [2020-12-23 07:37:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:29,290 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2020-12-23 07:37:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 07:37:29,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 07:37:29,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:29,295 INFO L225 Difference]: With dead ends: 70 [2020-12-23 07:37:29,295 INFO L226 Difference]: Without dead ends: 66 [2020-12-23 07:37:29,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:37:29,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-12-23 07:37:29,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 54. [2020-12-23 07:37:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-23 07:37:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2020-12-23 07:37:29,324 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 13 [2020-12-23 07:37:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:29,325 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2020-12-23 07:37:29,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 07:37:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2020-12-23 07:37:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 07:37:29,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:29,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:29,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-23 07:37:29,541 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:29,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:29,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1454243009, now seen corresponding path program 1 times [2020-12-23 07:37:29,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:29,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112552037] [2020-12-23 07:37:29,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:29,565 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:29,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625625955] [2020-12-23 07:37:29,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:29,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-23 07:37:29,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:29,969 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 07:37:29,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112552037] [2020-12-23 07:37:29,970 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:29,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625625955] [2020-12-23 07:37:29,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:37:29,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 07:37:29,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892091655] [2020-12-23 07:37:29,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 07:37:29,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:29,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 07:37:29,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:37:29,973 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand 12 states. [2020-12-23 07:37:30,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:30,358 INFO L93 Difference]: Finished difference Result 98 states and 112 transitions. [2020-12-23 07:37:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 07:37:30,359 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-12-23 07:37:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:30,361 INFO L225 Difference]: With dead ends: 98 [2020-12-23 07:37:30,362 INFO L226 Difference]: Without dead ends: 96 [2020-12-23 07:37:30,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-12-23 07:37:30,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-12-23 07:37:30,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 70. [2020-12-23 07:37:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-12-23 07:37:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2020-12-23 07:37:30,393 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 15 [2020-12-23 07:37:30,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:30,393 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2020-12-23 07:37:30,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 07:37:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2020-12-23 07:37:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 07:37:30,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:30,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:30,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:30,608 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:30,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:30,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1663317220, now seen corresponding path program 1 times [2020-12-23 07:37:30,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:30,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181907114] [2020-12-23 07:37:30,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:30,628 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:30,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709372551] [2020-12-23 07:37:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:30,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-23 07:37:30,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:30,973 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 07:37:30,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181907114] [2020-12-23 07:37:30,974 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:30,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709372551] [2020-12-23 07:37:30,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:37:30,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 07:37:30,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728728902] [2020-12-23 07:37:30,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 07:37:30,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:30,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 07:37:30,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:37:30,976 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand 12 states. [2020-12-23 07:37:31,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:31,514 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2020-12-23 07:37:31,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 07:37:31,514 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-12-23 07:37:31,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:31,515 INFO L225 Difference]: With dead ends: 84 [2020-12-23 07:37:31,516 INFO L226 Difference]: Without dead ends: 76 [2020-12-23 07:37:31,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-12-23 07:37:31,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-12-23 07:37:31,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 68. [2020-12-23 07:37:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-23 07:37:31,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2020-12-23 07:37:31,526 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 17 [2020-12-23 07:37:31,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:31,527 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2020-12-23 07:37:31,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 07:37:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2020-12-23 07:37:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 07:37:31,528 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:31,528 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] [2020-12-23 07:37:31,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:31,742 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:31,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:31,743 INFO L82 PathProgramCache]: Analyzing trace with hash 850548497, now seen corresponding path program 1 times [2020-12-23 07:37:31,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:31,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609051800] [2020-12-23 07:37:31,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:31,760 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:31,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438030108] [2020-12-23 07:37:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:31,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 07:37:31,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:31,845 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 07:37:31,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609051800] [2020-12-23 07:37:31,846 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:31,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438030108] [2020-12-23 07:37:31,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:37:31,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 07:37:31,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550809737] [2020-12-23 07:37:31,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 07:37:31,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:31,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 07:37:31,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 07:37:31,848 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand 4 states. [2020-12-23 07:37:31,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:31,892 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2020-12-23 07:37:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 07:37:31,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-23 07:37:31,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:31,894 INFO L225 Difference]: With dead ends: 68 [2020-12-23 07:37:31,894 INFO L226 Difference]: Without dead ends: 66 [2020-12-23 07:37:31,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 07:37:31,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-12-23 07:37:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-12-23 07:37:31,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-23 07:37:31,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 76 transitions. [2020-12-23 07:37:31,904 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 76 transitions. Word has length 20 [2020-12-23 07:37:31,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:31,904 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 76 transitions. [2020-12-23 07:37:31,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 07:37:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2020-12-23 07:37:31,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 07:37:31,905 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:31,906 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:32,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:32,116 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:32,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:32,117 INFO L82 PathProgramCache]: Analyzing trace with hash 598848193, now seen corresponding path program 1 times [2020-12-23 07:37:32,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:32,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090782069] [2020-12-23 07:37:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:32,132 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:32,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747689070] [2020-12-23 07:37:32,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:32,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-23 07:37:32,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 07:37:32,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090782069] [2020-12-23 07:37:32,257 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:32,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747689070] [2020-12-23 07:37:32,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:37:32,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-12-23 07:37:32,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488588666] [2020-12-23 07:37:32,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 07:37:32,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:32,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 07:37:32,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 07:37:32,261 INFO L87 Difference]: Start difference. First operand 66 states and 76 transitions. Second operand 5 states. [2020-12-23 07:37:32,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:32,369 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2020-12-23 07:37:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 07:37:32,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-12-23 07:37:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:32,371 INFO L225 Difference]: With dead ends: 88 [2020-12-23 07:37:32,371 INFO L226 Difference]: Without dead ends: 84 [2020-12-23 07:37:32,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:37:32,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-12-23 07:37:32,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 72. [2020-12-23 07:37:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-23 07:37:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-12-23 07:37:32,383 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 21 [2020-12-23 07:37:32,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:32,383 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-12-23 07:37:32,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 07:37:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-12-23 07:37:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 07:37:32,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:32,384 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] [2020-12-23 07:37:32,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 07:37:32,600 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:32,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:32,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1333477300, now seen corresponding path program 1 times [2020-12-23 07:37:32,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:32,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638360649] [2020-12-23 07:37:32,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:32,617 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:32,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410570503] [2020-12-23 07:37:32,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:32,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 07:37:32,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:32,757 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 07:37:32,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638360649] [2020-12-23 07:37:32,757 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:32,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410570503] [2020-12-23 07:37:32,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:37:32,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 07:37:32,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673490880] [2020-12-23 07:37:32,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 07:37:32,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:32,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 07:37:32,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:37:32,760 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 8 states. [2020-12-23 07:37:32,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:32,894 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2020-12-23 07:37:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 07:37:32,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-12-23 07:37:32,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:32,896 INFO L225 Difference]: With dead ends: 80 [2020-12-23 07:37:32,896 INFO L226 Difference]: Without dead ends: 72 [2020-12-23 07:37:32,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-23 07:37:32,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-23 07:37:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-12-23 07:37:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-12-23 07:37:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2020-12-23 07:37:32,909 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 22 [2020-12-23 07:37:32,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:32,910 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2020-12-23 07:37:32,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 07:37:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2020-12-23 07:37:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 07:37:32,911 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:32,911 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:33,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:33,120 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:33,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:33,121 INFO L82 PathProgramCache]: Analyzing trace with hash -89606074, now seen corresponding path program 1 times [2020-12-23 07:37:33,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:33,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730517553] [2020-12-23 07:37:33,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:33,143 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:33,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2012796583] [2020-12-23 07:37:33,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:33,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-23 07:37:33,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:37:33,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730517553] [2020-12-23 07:37:33,476 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:33,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012796583] [2020-12-23 07:37:33,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:37:33,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-12-23 07:37:33,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441617880] [2020-12-23 07:37:33,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 07:37:33,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:33,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 07:37:33,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-12-23 07:37:33,479 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 11 states. [2020-12-23 07:37:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:34,033 INFO L93 Difference]: Finished difference Result 105 states and 115 transitions. [2020-12-23 07:37:34,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 07:37:34,034 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-12-23 07:37:34,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:34,035 INFO L225 Difference]: With dead ends: 105 [2020-12-23 07:37:34,036 INFO L226 Difference]: Without dead ends: 103 [2020-12-23 07:37:34,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-12-23 07:37:34,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-12-23 07:37:34,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 74. [2020-12-23 07:37:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-23 07:37:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2020-12-23 07:37:34,063 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 23 [2020-12-23 07:37:34,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:34,064 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2020-12-23 07:37:34,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 07:37:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2020-12-23 07:37:34,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 07:37:34,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:34,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:34,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:34,278 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:34,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:34,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1021281049, now seen corresponding path program 1 times [2020-12-23 07:37:34,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:34,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431220195] [2020-12-23 07:37:34,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:34,294 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:34,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789504576] [2020-12-23 07:37:34,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:34,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-23 07:37:34,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:37:34,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431220195] [2020-12-23 07:37:34,658 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:34,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789504576] [2020-12-23 07:37:34,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:37:34,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-12-23 07:37:34,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430564301] [2020-12-23 07:37:34,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 07:37:34,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:34,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 07:37:34,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:37:34,660 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 12 states. [2020-12-23 07:37:35,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:35,030 INFO L93 Difference]: Finished difference Result 116 states and 128 transitions. [2020-12-23 07:37:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 07:37:35,030 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 25 [2020-12-23 07:37:35,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:35,031 INFO L225 Difference]: With dead ends: 116 [2020-12-23 07:37:35,031 INFO L226 Difference]: Without dead ends: 104 [2020-12-23 07:37:35,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2020-12-23 07:37:35,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-23 07:37:35,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96. [2020-12-23 07:37:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-23 07:37:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2020-12-23 07:37:35,046 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 25 [2020-12-23 07:37:35,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:35,047 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2020-12-23 07:37:35,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 07:37:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2020-12-23 07:37:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-23 07:37:35,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:35,048 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:35,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 07:37:35,263 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:35,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:35,264 INFO L82 PathProgramCache]: Analyzing trace with hash 477321350, now seen corresponding path program 1 times [2020-12-23 07:37:35,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:35,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551782414] [2020-12-23 07:37:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:35,278 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:35,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234583400] [2020-12-23 07:37:35,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:37:35,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 07:37:35,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:37:35,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551782414] [2020-12-23 07:37:35,424 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:35,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234583400] [2020-12-23 07:37:35,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:37:35,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 07:37:35,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259027056] [2020-12-23 07:37:35,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 07:37:35,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:35,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 07:37:35,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:37:35,426 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 7 states. [2020-12-23 07:37:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:35,582 INFO L93 Difference]: Finished difference Result 152 states and 167 transitions. [2020-12-23 07:37:35,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 07:37:35,583 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2020-12-23 07:37:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:35,584 INFO L225 Difference]: With dead ends: 152 [2020-12-23 07:37:35,584 INFO L226 Difference]: Without dead ends: 108 [2020-12-23 07:37:35,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:37:35,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-23 07:37:35,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 90. [2020-12-23 07:37:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-23 07:37:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 101 transitions. [2020-12-23 07:37:35,597 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 101 transitions. Word has length 29 [2020-12-23 07:37:35,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:35,597 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 101 transitions. [2020-12-23 07:37:35,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 07:37:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 101 transitions. [2020-12-23 07:37:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-23 07:37:35,598 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:35,598 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:35,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:35,812 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:35,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:35,813 INFO L82 PathProgramCache]: Analyzing trace with hash 219215494, now seen corresponding path program 2 times [2020-12-23 07:37:35,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:35,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105014278] [2020-12-23 07:37:35,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:35,830 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:35,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398983745] [2020-12-23 07:37:35,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:35,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 07:37:35,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 07:37:35,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 07:37:35,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:37:35,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105014278] [2020-12-23 07:37:35,986 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:35,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398983745] [2020-12-23 07:37:35,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:37:35,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 07:37:35,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098140950] [2020-12-23 07:37:35,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 07:37:35,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:35,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 07:37:35,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:37:35,988 INFO L87 Difference]: Start difference. First operand 90 states and 101 transitions. Second operand 7 states. [2020-12-23 07:37:36,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:36,120 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2020-12-23 07:37:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 07:37:36,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2020-12-23 07:37:36,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:36,121 INFO L225 Difference]: With dead ends: 122 [2020-12-23 07:37:36,121 INFO L226 Difference]: Without dead ends: 84 [2020-12-23 07:37:36,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:37:36,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-12-23 07:37:36,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 78. [2020-12-23 07:37:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-23 07:37:36,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2020-12-23 07:37:36,132 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 29 [2020-12-23 07:37:36,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:36,132 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2020-12-23 07:37:36,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 07:37:36,132 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2020-12-23 07:37:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 07:37:36,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:36,133 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:36,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:36,348 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:36,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:36,349 INFO L82 PathProgramCache]: Analyzing trace with hash 155590347, now seen corresponding path program 2 times [2020-12-23 07:37:36,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:36,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592787937] [2020-12-23 07:37:36,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:36,360 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:36,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073838090] [2020-12-23 07:37:36,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:36,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 07:37:36,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 07:37:36,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 07:37:36,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:37:36,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592787937] [2020-12-23 07:37:36,554 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:36,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073838090] [2020-12-23 07:37:36,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:37:36,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 07:37:36,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5549189] [2020-12-23 07:37:36,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 07:37:36,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:36,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 07:37:36,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:37:36,557 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand 8 states. [2020-12-23 07:37:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:36,768 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2020-12-23 07:37:36,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 07:37:36,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-12-23 07:37:36,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:36,769 INFO L225 Difference]: With dead ends: 84 [2020-12-23 07:37:36,769 INFO L226 Difference]: Without dead ends: 66 [2020-12-23 07:37:36,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:37:36,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-12-23 07:37:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-12-23 07:37:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-23 07:37:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-12-23 07:37:36,778 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 31 [2020-12-23 07:37:36,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:36,779 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-12-23 07:37:36,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 07:37:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-12-23 07:37:36,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 07:37:36,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:37:36,783 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:37:36,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 07:37:36,999 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:37:37,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:37:37,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1663177194, now seen corresponding path program 2 times [2020-12-23 07:37:37,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:37:37,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895752277] [2020-12-23 07:37:37,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:37:37,023 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:37:37,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60494459] [2020-12-23 07:37:37,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:37:37,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 07:37:37,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 07:37:37,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-23 07:37:37,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:37:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:37:37,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895752277] [2020-12-23 07:37:37,226 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:37:37,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60494459] [2020-12-23 07:37:37,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:37:37,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 07:37:37,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271977116] [2020-12-23 07:37:37,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 07:37:37,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:37:37,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 07:37:37,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-12-23 07:37:37,228 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 9 states. [2020-12-23 07:37:37,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:37:37,389 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2020-12-23 07:37:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 07:37:37,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2020-12-23 07:37:37,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:37:37,390 INFO L225 Difference]: With dead ends: 66 [2020-12-23 07:37:37,390 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 07:37:37,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-12-23 07:37:37,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 07:37:37,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 07:37:37,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 07:37:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 07:37:37,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2020-12-23 07:37:37,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:37:37,392 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 07:37:37,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 07:37:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 07:37:37,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 07:37:37,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 07:37:37,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 07:37:37,969 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-12-23 07:37:38,135 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-23 07:37:38,437 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-12-23 07:37:38,563 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-23 07:37:38,889 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-12-23 07:37:39,170 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-12-23 07:37:39,484 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-12-23 07:37:39,487 INFO L189 CegarLoopUtils]: For program point L35-2(lines 35 52) no Hoare annotation was computed. [2020-12-23 07:37:39,487 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:37:39,487 INFO L189 CegarLoopUtils]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:37:39,488 INFO L185 CegarLoopUtils]: At program point L11-2(lines 10 16) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_main_~r~0 0)) (.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (= ULTIMATE.start_main_~p~0 1)) (.cse2 (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (.cse3 (= ULTIMATE.start_main_~s~0 1)) (.cse8 (<= 1 ULTIMATE.start_main_~x~0)) (.cse4 (= ULTIMATE.start_main_~q~0 0)) (.cse5 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse6 (<= 1 ULTIMATE.start_main_~b~0)) (.cse9 (<= ULTIMATE.start_main_~y~0 2))) (or (and (<= (+ ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 2) .cse0 (< 0 ULTIMATE.start_main_~a~0) .cse1 .cse2 .cse3 .cse4 .cse5 (= (+ ULTIMATE.start_main_~r~0 1) 0) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse6) (and (< 0 ULTIMATE.start_main_~b~0) .cse7 .cse0 (= (+ ULTIMATE.start_main_~q~0 1) 0) .cse1 .cse2 .cse3 .cse8 .cse5 .cse9 (= ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0))) (and (= ULTIMATE.start_main_~b~0 (+ (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~s~0 ULTIMATE.start_main_~y~0))) (<= ULTIMATE.start_main_~a~0 2) .cse7 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse9))) [2020-12-23 07:37:39,488 INFO L189 CegarLoopUtils]: For program point L11-3(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:37:39,489 INFO L185 CegarLoopUtils]: At program point L11-5(lines 10 16) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~r~0 0)) (.cse7 (<= ULTIMATE.start_main_~y~0 2)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~p~0 1)) (.cse3 (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (.cse4 (= ULTIMATE.start_main_~s~0 1)) (.cse5 (<= 1 ULTIMATE.start_main_~x~0)) (.cse8 (= ULTIMATE.start_main_~q~0 0)) (.cse6 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse9 (<= 1 ULTIMATE.start_main_~b~0))) (or (and (< 0 ULTIMATE.start_main_~b~0) .cse0 .cse1 (= (+ ULTIMATE.start_main_~q~0 1) 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0))) (and (= ULTIMATE.start_main_~b~0 (+ (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~s~0 ULTIMATE.start_main_~y~0))) (<= ULTIMATE.start_main_~a~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse6 .cse9 .cse7) (and (<= (+ ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 2) (<= ULTIMATE.start_main_~x~0 2) .cse1 (< 0 ULTIMATE.start_main_~a~0) .cse2 .cse3 .cse4 .cse5 .cse8 .cse6 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse9))) [2020-12-23 07:37:39,489 INFO L189 CegarLoopUtils]: For program point L11-6(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:37:39,490 INFO L185 CegarLoopUtils]: At program point L11-8(lines 40 41) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~r~0 0)) (.cse7 (<= ULTIMATE.start_main_~y~0 2)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~p~0 1)) (.cse3 (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (.cse4 (= ULTIMATE.start_main_~s~0 1)) (.cse5 (<= 1 ULTIMATE.start_main_~x~0)) (.cse8 (= ULTIMATE.start_main_~q~0 0)) (.cse6 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse9 (<= 1 ULTIMATE.start_main_~b~0))) (or (and (< 0 ULTIMATE.start_main_~b~0) .cse0 .cse1 (= (+ ULTIMATE.start_main_~q~0 1) 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0))) (and (= ULTIMATE.start_main_~b~0 (+ (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~s~0 ULTIMATE.start_main_~y~0))) (<= ULTIMATE.start_main_~a~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse6 .cse9 .cse7) (and (<= (+ ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 2) (<= ULTIMATE.start_main_~x~0 2) .cse1 (< 0 ULTIMATE.start_main_~a~0) .cse2 .cse3 .cse4 .cse5 .cse8 .cse6 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse9))) [2020-12-23 07:37:39,490 INFO L189 CegarLoopUtils]: For program point L11-9(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:37:39,490 INFO L185 CegarLoopUtils]: At program point L11-11(lines 10 16) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse3 (= ULTIMATE.start_main_~p~0 1)) (.cse2 (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (.cse4 (= ULTIMATE.start_main_~s~0 1)) (.cse5 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~a~0)) (.cse6 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 (<= ULTIMATE.start_main_~x~0 2) .cse1 .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse5 .cse6 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) (and .cse0 (= ULTIMATE.start_main_~r~0 0) .cse1 (= (+ ULTIMATE.start_main_~q~0 1) 0) .cse3 .cse2 .cse4 .cse5 .cse6 (<= ULTIMATE.start_main_~y~0 2) (= ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0))))) [2020-12-23 07:37:39,491 INFO L189 CegarLoopUtils]: For program point L11-12(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:37:39,491 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:37:39,491 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 07:37:39,491 INFO L185 CegarLoopUtils]: At program point L11-14(lines 10 16) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= ULTIMATE.start_main_~p~0 1)) (.cse2 (= ULTIMATE.start_main_~s~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse4 (<= ULTIMATE.start_main_~y~0 2))) (or (and .cse0 (= ULTIMATE.start_main_~r~0 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ ULTIMATE.start_main_~q~0 1) 0) .cse1 (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) .cse2 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~a~0) .cse3 .cse4 (= ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0))) (and .cse0 (<= ULTIMATE.start_main_~x~0 2) .cse1 .cse2 (<= 1 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse3 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse4))) [2020-12-23 07:37:39,491 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 07:37:39,491 INFO L189 CegarLoopUtils]: For program point L11-15(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:37:39,491 INFO L185 CegarLoopUtils]: At program point L11-17(lines 10 16) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~s~0 1)) (.cse1 (<= 1 ULTIMATE.start_main_~x~0)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse3 (<= ULTIMATE.start_main_~y~0 2))) (or (and (<= 1 ULTIMATE.start_main_~y~0) (<= ULTIMATE.start_main_~x~0 2) .cse0 .cse1 (= ULTIMATE.start_main_~q~0 0) .cse2 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3) (and (not (= ULTIMATE.start_main_~b~0 0)) .cse0 (= (+ ULTIMATE.start_main_~q~0 1) 0) (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (<= 0 ULTIMATE.start_main_~b~0) .cse1 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~a~0) .cse2 .cse3 (= ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0))))) [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point L11-18(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L192 CegarLoopUtils]: At program point L11-20(lines 10 16) the Hoare annotation is: true [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point L12(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point L12-1(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point L12-2(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point L12-3(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point L12-4(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point L12-5(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point L12-6(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:37:39,492 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point L7-2(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point L7-3(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point L8(line 8) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-12-23 07:37:39,493 INFO L189 CegarLoopUtils]: For program point L8-4(line 8) no Hoare annotation was computed. [2020-12-23 07:37:39,494 INFO L189 CegarLoopUtils]: For program point L8-6(line 8) no Hoare annotation was computed. [2020-12-23 07:37:39,494 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 07:37:39,494 INFO L192 CegarLoopUtils]: At program point L58(lines 18 59) the Hoare annotation is: true [2020-12-23 07:37:39,494 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:37:39,494 INFO L189 CegarLoopUtils]: For program point L43(lines 43 51) no Hoare annotation was computed. [2020-12-23 07:37:39,494 INFO L185 CegarLoopUtils]: At program point L43-2(lines 35 52) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~q~0 0)) (.cse7 (<= 1 ULTIMATE.start_main_~b~0)) (.cse0 (= ULTIMATE.start_main_~r~0 0)) (.cse9 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (.cse1 (= ULTIMATE.start_main_~p~0 1)) (.cse3 (= ULTIMATE.start_main_~s~0 1)) (.cse4 (<= 1 ULTIMATE.start_main_~x~0)) (.cse6 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse8 (<= ULTIMATE.start_main_~y~0 2))) (or (and (= ULTIMATE.start_main_~b~0 (+ (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~s~0 ULTIMATE.start_main_~y~0))) (<= ULTIMATE.start_main_~a~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and (<= (+ ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 2) .cse9 (< 0 ULTIMATE.start_main_~a~0) .cse1 .cse2 .cse3 .cse5 .cse6 (= (+ ULTIMATE.start_main_~r~0 1) 0) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse7) (and (< 0 ULTIMATE.start_main_~b~0) .cse0 .cse9 (= (+ ULTIMATE.start_main_~q~0 1) 0) .cse2 .cse1 .cse3 .cse4 .cse6 .cse8 (= ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0))))) [2020-12-23 07:37:39,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 07:37:39 BoogieIcfgContainer [2020-12-23 07:37:39,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 07:37:39,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 07:37:39,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 07:37:39,536 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 07:37:39,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:37:28" (3/4) ... [2020-12-23 07:37:39,540 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 07:37:39,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2020-12-23 07:37:39,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 07:37:39,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 07:37:39,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 07:37:39,631 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/nla-digbench-scaling/egcd-ll_valuebound2.c-witness.graphml [2020-12-23 07:37:39,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 07:37:39,632 INFO L168 Benchmark]: Toolchain (without parser) took 12205.00 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 126.3 MB in the beginning and 196.2 MB in the end (delta: -69.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:37:39,632 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 122.9 MB in the end (delta: 96.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:37:39,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.66 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 115.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 07:37:39,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 114.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 07:37:39,637 INFO L168 Benchmark]: Boogie Preprocessor took 27.80 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 113.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:37:39,637 INFO L168 Benchmark]: RCFGBuilder took 458.86 ms. Allocated memory is still 151.0 MB. Free memory was 112.9 MB in the beginning and 127.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. [2020-12-23 07:37:39,638 INFO L168 Benchmark]: TraceAbstraction took 11313.72 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 127.9 MB in the beginning and 199.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 122.1 MB. Max. memory is 8.0 GB. [2020-12-23 07:37:39,638 INFO L168 Benchmark]: Witness Printer took 95.60 ms. Allocated memory is still 218.1 MB. Free memory was 199.9 MB in the beginning and 196.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 07:37:39,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 122.9 MB in the end (delta: 96.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 253.66 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 115.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 114.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.80 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 113.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 458.86 ms. Allocated memory is still 151.0 MB. Free memory was 112.9 MB in the beginning and 127.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11313.72 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 127.9 MB in the beginning and 199.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 122.1 MB. Max. memory is 8.0 GB. * Witness Printer took 95.60 ms. Allocated memory is still 218.1 MB. Free memory was 199.9 MB in the beginning and 196.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((1 <= y && x <= 2) && s == 1) && 1 <= x) && q == 0) && cond == 1) && b == y) && y <= 2) || (((((((((!(b == 0) && s == 1) && q + 1 == 0) && a == p * x + r * y) && 0 <= b) && 1 <= x) && b == a) && cond == 1) && y <= 2) && y == b + x) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: ((((((((((1 <= y && x <= 2) && 1 == cond) && a == p * x + r * y) && p == 1) && s == 1) && 1 <= x) && q == 0) && b == a) && cond == 1) && b == y) || ((((((((((1 <= y && r == 0) && 1 == cond) && q + 1 == 0) && p == 1) && a == p * x + r * y) && s == 1) && b == a) && cond == 1) && y <= 2) && y == b + x) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((0 < b && r == 0) && 1 == cond) && q + 1 == 0) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && cond == 1) && y <= 2) && y == b + x) || (((((((((((b == q * x + s * y && a <= 2) && r == 0) && 1 == cond) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && q == 0) && cond == 1) && 1 <= b) && y <= 2)) || (((((((((((a + b <= 2 && x <= 2) && 1 == cond) && 0 < a) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && q == 0) && cond == 1) && b == y) && 1 <= b) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: ((((((((((1 <= y && r == 0) && 1 == cond) && q + 1 == 0) && p == 1) && a == p * x + r * y) && s == 1) && b == a) && cond == 1) && y <= 2) && y == b + x) || ((((((((1 <= y && x <= 2) && p == 1) && s == 1) && 1 <= x) && q == 0) && cond == 1) && b == y) && y <= 2) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((0 < b && r == 0) && 1 == cond) && q + 1 == 0) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && cond == 1) && y <= 2) && y == b + x) || (((((((((((b == q * x + s * y && a <= 2) && r == 0) && 1 == cond) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && q == 0) && cond == 1) && 1 <= b) && y <= 2)) || (((((((((((a + b <= 2 && x <= 2) && 1 == cond) && 0 < a) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && q == 0) && cond == 1) && b == y) && 1 <= b) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((a + b <= 2 && 1 == cond) && 0 < a) && p == 1) && a == p * x + r * y) && s == 1) && q == 0) && cond == 1) && r + 1 == 0) && b == y) && 1 <= b) || ((((((((((0 < b && r == 0) && 1 == cond) && q + 1 == 0) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && cond == 1) && y <= 2) && y == b + x)) || (((((((((((b == q * x + s * y && a <= 2) && r == 0) && 1 == cond) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && q == 0) && cond == 1) && 1 <= b) && y <= 2) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((((((((b == q * x + s * y && a <= 2) && r == 0) && p == 1) && a == p * x + r * y) && s == 1) && 1 <= x) && q == 0) && cond == 1) && 1 <= b) && y <= 2) || ((((((((((a + b <= 2 && 1 == cond) && 0 < a) && p == 1) && a == p * x + r * y) && s == 1) && q == 0) && cond == 1) && r + 1 == 0) && b == y) && 1 <= b)) || ((((((((((0 < b && r == 0) && 1 == cond) && q + 1 == 0) && a == p * x + r * y) && p == 1) && s == 1) && 1 <= x) && cond == 1) && y <= 2) && y == b + x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 376 SDtfs, 1538 SDslu, 695 SDs, 0 SdLazy, 962 SolverSat, 161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 321 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 121 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 29 NumberOfFragments, 779 HoareAnnotationTreeSize, 9 FomulaSimplifications, 1427 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 403 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 57163 SizeOfPredicates, 110 NumberOfNonLiveVariables, 1273 ConjunctsInSsa, 258 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 45/72 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 correct! Received shutdown request...