/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 21:53:06,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 21:53:06,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 21:53:06,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 21:53:06,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 21:53:06,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 21:53:06,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 21:53:06,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 21:53:06,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 21:53:06,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 21:53:06,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 21:53:06,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 21:53:06,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 21:53:06,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 21:53:06,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 21:53:06,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 21:53:06,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 21:53:06,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 21:53:06,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 21:53:06,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 21:53:06,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 21:53:06,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 21:53:06,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 21:53:06,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 21:53:06,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-27 21:53:06,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 21:53:06,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 21:53:06,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 21:53:06,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-27 21:53:06,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 21:53:06,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 21:53:06,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 21:53:06,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 21:53:06,914 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 21:53:06,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 21:53:06,915 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 21:53:06,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 21:53:06,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 21:53:06,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 21:53:06,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 21:53:06,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 21:53:06,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 21:53:06,917 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 21:53:06,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 21:53:06,918 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 21:53:06,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 21:53:06,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 21:53:06,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 21:53:06,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 21:53:06,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 21:53:06,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:53:06,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 21:53:06,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 21:53:06,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 21:53:06,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 21:53:06,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 21:53:06,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 21:53:06,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 21:53:06,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-27 21:53:07,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 21:53:07,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 21:53:07,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 21:53:07,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 21:53:07,389 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 21:53:07,391 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54.c [2020-08-27 21:53:07,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6118dd92/2db7d416a2024f7b9e042604e175b0cd/FLAG626cdbc99 [2020-08-27 21:53:08,124 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 21:53:08,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label54.c [2020-08-27 21:53:08,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6118dd92/2db7d416a2024f7b9e042604e175b0cd/FLAG626cdbc99 [2020-08-27 21:53:08,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6118dd92/2db7d416a2024f7b9e042604e175b0cd [2020-08-27 21:53:08,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 21:53:08,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 21:53:08,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 21:53:08,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 21:53:08,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 21:53:08,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:53:08" (1/1) ... [2020-08-27 21:53:08,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72532b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:08, skipping insertion in model container [2020-08-27 21:53:08,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:53:08" (1/1) ... [2020-08-27 21:53:08,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 21:53:08,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 21:53:09,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:53:09,051 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 21:53:09,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:53:09,312 INFO L208 MainTranslator]: Completed translation [2020-08-27 21:53:09,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09 WrapperNode [2020-08-27 21:53:09,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 21:53:09,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 21:53:09,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 21:53:09,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 21:53:09,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (1/1) ... [2020-08-27 21:53:09,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (1/1) ... [2020-08-27 21:53:09,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (1/1) ... [2020-08-27 21:53:09,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (1/1) ... [2020-08-27 21:53:09,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (1/1) ... [2020-08-27 21:53:09,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (1/1) ... [2020-08-27 21:53:09,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (1/1) ... [2020-08-27 21:53:09,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 21:53:09,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 21:53:09,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 21:53:09,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 21:53:09,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-27 21:53:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 21:53:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 21:53:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-27 21:53:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 21:53:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-27 21:53:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 21:53:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 21:53:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-27 21:53:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 21:53:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 21:53:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 21:53:10,934 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 21:53:10,935 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-27 21:53:10,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:53:10 BoogieIcfgContainer [2020-08-27 21:53:10,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 21:53:10,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 21:53:10,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 21:53:10,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 21:53:10,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 09:53:08" (1/3) ... [2020-08-27 21:53:10,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303c4ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:53:10, skipping insertion in model container [2020-08-27 21:53:10,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:09" (2/3) ... [2020-08-27 21:53:10,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303c4ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:53:10, skipping insertion in model container [2020-08-27 21:53:10,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:53:10" (3/3) ... [2020-08-27 21:53:10,952 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label54.c [2020-08-27 21:53:10,965 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 21:53:10,976 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 21:53:11,000 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 21:53:11,033 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 21:53:11,033 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 21:53:11,034 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 21:53:11,034 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 21:53:11,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 21:53:11,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 21:53:11,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 21:53:11,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 21:53:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-27 21:53:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-08-27 21:53:11,079 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:11,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:53:11,081 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:11,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:11,087 INFO L82 PathProgramCache]: Analyzing trace with hash -622531154, now seen corresponding path program 1 times [2020-08-27 21:53:11,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:11,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132665630] [2020-08-27 21:53:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:11,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:53:11,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132665630] [2020-08-27 21:53:11,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:53:11,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-27 21:53:11,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164593568] [2020-08-27 21:53:11,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:53:11,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:11,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:53:11,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:53:11,919 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-27 21:53:14,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:14,325 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-08-27 21:53:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:53:14,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-08-27 21:53:14,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:14,361 INFO L225 Difference]: With dead ends: 698 [2020-08-27 21:53:14,362 INFO L226 Difference]: Without dead ends: 423 [2020-08-27 21:53:14,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:53:14,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-27 21:53:14,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-27 21:53:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-27 21:53:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 603 transitions. [2020-08-27 21:53:14,489 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 603 transitions. Word has length 128 [2020-08-27 21:53:14,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:14,490 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 603 transitions. [2020-08-27 21:53:14,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:53:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 603 transitions. [2020-08-27 21:53:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-08-27 21:53:14,497 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:14,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:53:14,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 21:53:14,498 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:14,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:14,499 INFO L82 PathProgramCache]: Analyzing trace with hash -46694981, now seen corresponding path program 1 times [2020-08-27 21:53:14,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:14,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444469796] [2020-08-27 21:53:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:14,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:14,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:53:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:53:14,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444469796] [2020-08-27 21:53:14,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:53:14,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-27 21:53:14,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277422236] [2020-08-27 21:53:14,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:53:14,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:14,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:53:14,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:53:14,945 INFO L87 Difference]: Start difference. First operand 417 states and 603 transitions. Second operand 5 states. [2020-08-27 21:53:16,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:16,416 INFO L93 Difference]: Finished difference Result 1245 states and 1839 transitions. [2020-08-27 21:53:16,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:53:16,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-08-27 21:53:16,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:16,423 INFO L225 Difference]: With dead ends: 1245 [2020-08-27 21:53:16,423 INFO L226 Difference]: Without dead ends: 834 [2020-08-27 21:53:16,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:53:16,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-08-27 21:53:16,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 693. [2020-08-27 21:53:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-08-27 21:53:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 955 transitions. [2020-08-27 21:53:16,476 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 955 transitions. Word has length 145 [2020-08-27 21:53:16,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:16,477 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 955 transitions. [2020-08-27 21:53:16,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:53:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 955 transitions. [2020-08-27 21:53:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-08-27 21:53:16,485 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:16,485 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:53:16,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-27 21:53:16,486 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:16,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:16,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1763366933, now seen corresponding path program 1 times [2020-08-27 21:53:16,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:16,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693414026] [2020-08-27 21:53:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:16,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:16,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:53:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:53:16,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693414026] [2020-08-27 21:53:16,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:53:16,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-27 21:53:16,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129278578] [2020-08-27 21:53:16,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:53:16,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:16,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:53:16,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:53:16,771 INFO L87 Difference]: Start difference. First operand 693 states and 955 transitions. Second operand 5 states. [2020-08-27 21:53:18,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:18,079 INFO L93 Difference]: Finished difference Result 2069 states and 2898 transitions. [2020-08-27 21:53:18,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:53:18,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-08-27 21:53:18,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:18,091 INFO L225 Difference]: With dead ends: 2069 [2020-08-27 21:53:18,091 INFO L226 Difference]: Without dead ends: 1382 [2020-08-27 21:53:18,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:53:18,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2020-08-27 21:53:18,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1106. [2020-08-27 21:53:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2020-08-27 21:53:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1436 transitions. [2020-08-27 21:53:18,160 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1436 transitions. Word has length 162 [2020-08-27 21:53:18,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:18,163 INFO L479 AbstractCegarLoop]: Abstraction has 1106 states and 1436 transitions. [2020-08-27 21:53:18,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:53:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1436 transitions. [2020-08-27 21:53:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-08-27 21:53:18,177 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:18,178 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:53:18,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-27 21:53:18,179 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:18,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:18,179 INFO L82 PathProgramCache]: Analyzing trace with hash -463688994, now seen corresponding path program 1 times [2020-08-27 21:53:18,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:18,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61124689] [2020-08-27 21:53:18,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:18,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:53:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:18,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:53:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-27 21:53:18,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61124689] [2020-08-27 21:53:18,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:53:18,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-27 21:53:18,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754105232] [2020-08-27 21:53:18,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-27 21:53:18,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:18,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-27 21:53:18,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:53:18,563 INFO L87 Difference]: Start difference. First operand 1106 states and 1436 transitions. Second operand 6 states. [2020-08-27 21:53:20,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:20,372 INFO L93 Difference]: Finished difference Result 3171 states and 4217 transitions. [2020-08-27 21:53:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:53:20,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 213 [2020-08-27 21:53:20,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:20,375 INFO L225 Difference]: With dead ends: 3171 [2020-08-27 21:53:20,375 INFO L226 Difference]: Without dead ends: 0 [2020-08-27 21:53:20,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:53:20,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-27 21:53:20,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-27 21:53:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-27 21:53:20,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-27 21:53:20,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2020-08-27 21:53:20,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:20,384 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-27 21:53:20,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-27 21:53:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-27 21:53:20,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-27 21:53:20,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-27 21:53:20,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-27 21:53:21,499 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 37 [2020-08-27 21:53:21,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:53:21,585 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-27 21:53:21,586 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:53:21,586 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-27 21:53:21,586 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-27 21:53:21,586 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,586 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,586 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,587 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,587 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,587 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,587 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-27 21:53:21,587 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-27 21:53:21,587 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-27 21:53:21,587 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-27 21:53:21,588 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-27 21:53:21,588 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-27 21:53:21,588 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-27 21:53:21,588 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-27 21:53:21,588 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-27 21:53:21,588 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-27 21:53:21,589 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,589 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,589 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,589 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,589 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,589 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,590 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-27 21:53:21,590 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-27 21:53:21,590 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-27 21:53:21,590 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-27 21:53:21,590 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-27 21:53:21,590 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-27 21:53:21,590 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-27 21:53:21,591 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-27 21:53:21,591 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-27 21:53:21,591 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-27 21:53:21,591 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-27 21:53:21,591 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2020-08-27 21:53:21,592 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-27 21:53:21,592 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-27 21:53:21,592 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-27 21:53:21,592 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-27 21:53:21,592 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,592 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,593 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,593 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,593 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,593 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-27 21:53:21,593 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-27 21:53:21,593 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-27 21:53:21,593 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-27 21:53:21,594 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-27 21:53:21,594 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-27 21:53:21,594 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-27 21:53:21,594 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-27 21:53:21,594 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-27 21:53:21,594 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,595 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,595 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,595 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,595 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,595 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-27 21:53:21,595 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-27 21:53:21,595 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-27 21:53:21,596 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-27 21:53:21,596 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-27 21:53:21,596 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-27 21:53:21,596 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-27 21:53:21,596 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-27 21:53:21,596 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-27 21:53:21,596 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-27 21:53:21,597 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-27 21:53:21,597 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-27 21:53:21,597 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-27 21:53:21,597 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,597 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,597 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,598 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,598 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,598 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-27 21:53:21,598 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-27 21:53:21,598 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-27 21:53:21,598 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-27 21:53:21,598 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-27 21:53:21,599 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-27 21:53:21,599 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-27 21:53:21,599 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-27 21:53:21,599 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-27 21:53:21,599 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,599 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,600 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,600 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,600 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,600 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,600 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-27 21:53:21,600 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,601 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-27 21:53:21,601 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-27 21:53:21,601 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-27 21:53:21,601 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-27 21:53:21,601 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-27 21:53:21,601 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-27 21:53:21,601 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-27 21:53:21,602 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-27 21:53:21,602 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-27 21:53:21,602 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-27 21:53:21,602 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-27 21:53:21,602 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-27 21:53:21,602 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-27 21:53:21,603 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,603 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,603 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,603 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,603 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,603 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-27 21:53:21,604 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-27 21:53:21,604 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-27 21:53:21,604 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-27 21:53:21,604 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-27 21:53:21,604 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-27 21:53:21,604 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-27 21:53:21,604 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-27 21:53:21,605 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,605 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,605 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,605 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,605 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,605 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-27 21:53:21,606 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-27 21:53:21,606 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-27 21:53:21,606 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-27 21:53:21,606 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-27 21:53:21,606 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-27 21:53:21,606 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-27 21:53:21,607 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-27 21:53:21,607 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-27 21:53:21,607 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-27 21:53:21,607 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a16~0 |old(~a16~0)|) .cse5))) (and (or (not (= |old(~a7~0)| 1)) .cse0) (or .cse0 (= 14 |old(~a8~0)|)) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a16~0 4)) (not (= 4 |old(~a16~0)|))) (or .cse0 (not (<= |old(~a17~0)| 0)))))) [2020-08-27 21:53:21,607 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-27 21:53:21,608 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,608 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,608 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,608 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,608 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-27 21:53:21,608 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,608 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,609 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-27 21:53:21,609 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-27 21:53:21,609 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-27 21:53:21,609 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-27 21:53:21,609 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-27 21:53:21,609 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-27 21:53:21,610 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-27 21:53:21,610 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-27 21:53:21,610 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-27 21:53:21,610 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-27 21:53:21,610 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-27 21:53:21,610 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-27 21:53:21,610 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,611 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,611 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,611 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,611 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,611 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-27 21:53:21,611 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,611 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-27 21:53:21,612 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-27 21:53:21,612 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-27 21:53:21,612 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-27 21:53:21,612 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-27 21:53:21,612 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-27 21:53:21,612 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-27 21:53:21,613 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-27 21:53:21,613 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-27 21:53:21,613 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-27 21:53:21,613 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-27 21:53:21,613 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-27 21:53:21,613 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-27 21:53:21,613 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-27 21:53:21,614 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,614 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,614 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,614 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,614 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,614 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-27 21:53:21,615 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-27 21:53:21,618 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-27 21:53:21,618 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-27 21:53:21,618 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-27 21:53:21,619 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-27 21:53:21,619 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-27 21:53:21,619 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-27 21:53:21,619 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-27 21:53:21,619 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-27 21:53:21,619 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-27 21:53:21,620 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:53:21,620 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 15 ~a8~0) [2020-08-27 21:53:21,620 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-27 21:53:21,620 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:53:21,620 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) [2020-08-27 21:53:21,620 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-27 21:53:21,621 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (= ~a7~0 1) (not (<= 15 |old(~a8~0)|)) (not (= 14 ~a8~0)) (<= ~a17~0 0) (= ~a16~0 4)) [2020-08-27 21:53:21,621 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-27 21:53:21,621 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-27 21:53:21,621 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= ~a7~0 1) (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (not (= 14 ~a8~0)) (= ~a16~0 4)) [2020-08-27 21:53:21,621 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-27 21:53:21,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 09:53:21 BoogieIcfgContainer [2020-08-27 21:53:21,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-27 21:53:21,649 INFO L168 Benchmark]: Toolchain (without parser) took 13274.28 ms. Allocated memory was 140.0 MB in the beginning and 350.7 MB in the end (delta: 210.8 MB). Free memory was 100.2 MB in the beginning and 169.5 MB in the end (delta: -69.3 MB). Peak memory consumption was 141.5 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:21,650 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-27 21:53:21,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 938.28 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 100.0 MB in the beginning and 173.1 MB in the end (delta: -73.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:21,652 INFO L168 Benchmark]: Boogie Preprocessor took 144.50 ms. Allocated memory is still 207.1 MB. Free memory was 173.1 MB in the beginning and 168.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:21,654 INFO L168 Benchmark]: RCFGBuilder took 1482.30 ms. Allocated memory was 207.1 MB in the beginning and 239.1 MB in the end (delta: 32.0 MB). Free memory was 168.3 MB in the beginning and 180.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:21,655 INFO L168 Benchmark]: TraceAbstraction took 10703.46 ms. Allocated memory was 239.1 MB in the beginning and 350.7 MB in the end (delta: 111.7 MB). Free memory was 180.4 MB in the beginning and 169.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:21,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 938.28 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 100.0 MB in the beginning and 173.1 MB in the end (delta: -73.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.50 ms. Allocated memory is still 207.1 MB. Free memory was 173.1 MB in the beginning and 168.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1482.30 ms. Allocated memory was 207.1 MB in the beginning and 239.1 MB in the end (delta: 32.0 MB). Free memory was 168.3 MB in the beginning and 180.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10703.46 ms. Allocated memory was 239.1 MB in the beginning and 350.7 MB in the end (delta: 111.7 MB). Free memory was 180.4 MB in the beginning and 169.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((a7 == 1 || !(15 <= \old(a8))) || a17 <= 0) || !(14 == a8)) || a16 == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.3s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 118 SDtfs, 1397 SDslu, 89 SDs, 0 SdLazy, 3032 SolverSat, 657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1106occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 423 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 40 PreInvPairs, 74 NumberOfFragments, 218 HoareAnnotationTreeSize, 40 FomulaSimplifications, 6604 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1112 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 359011 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 135/139 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...