/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 CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:35:28,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:35:28,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:35:28,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:35:28,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:35:28,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:35:28,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:35:28,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:35:28,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:35:28,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:35:28,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:35:28,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:35:28,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:35:28,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:35:28,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:35:28,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:35:28,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:35:28,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:35:28,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:35:28,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:35:28,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:35:28,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:35:28,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:35:28,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:35:28,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:35:28,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:35:28,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:35:28,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:35:28,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:35:28,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:35:28,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:35:28,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:35:28,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:35:28,896 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:35:28,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:35:28,897 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:35:28,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:35:28,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:35:28,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:35:28,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:35:28,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:35:28,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:35:28,898 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:35:28,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:35:28,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:35:28,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:35:28,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:35:28,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:35:28,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:35:28,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:35:28,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:35:28,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:35:28,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:35:28,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:35:28,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:35:28,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:35:28,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:35:28,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:35:28,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:35:29,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:35:29,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:35:29,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:35:29,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:35:29,219 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:35:29,220 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-07-19 21:35:29,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db782295/8d67fa2bbb1a4bc8b32b983af4208b71/FLAGb9c98d123 [2020-07-19 21:35:29,903 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:35:29,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-07-19 21:35:29,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db782295/8d67fa2bbb1a4bc8b32b983af4208b71/FLAGb9c98d123 [2020-07-19 21:35:30,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db782295/8d67fa2bbb1a4bc8b32b983af4208b71 [2020-07-19 21:35:30,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:35:30,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:35:30,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:35:30,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:35:30,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:35:30,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:30,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab40a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30, skipping insertion in model container [2020-07-19 21:35:30,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:30,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:35:30,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:35:30,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:35:30,831 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:35:30,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:35:30,981 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:35:30,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30 WrapperNode [2020-07-19 21:35:30,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:35:30,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:35:30,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:35:30,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:35:30,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:31,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:31,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:31,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:31,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:31,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:31,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (1/1) ... [2020-07-19 21:35:31,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:35:31,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:35:31,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:35:31,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:35:31,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-19 21:35:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:35:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:35:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:35:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:35:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:35:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:35:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:35:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:35:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:35:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:35:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:35:32,415 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:35:32,416 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:35:32,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:35:32 BoogieIcfgContainer [2020-07-19 21:35:32,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:35:32,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:35:32,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:35:32,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:35:32,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:35:30" (1/3) ... [2020-07-19 21:35:32,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45854fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:35:32, skipping insertion in model container [2020-07-19 21:35:32,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:35:30" (2/3) ... [2020-07-19 21:35:32,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45854fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:35:32, skipping insertion in model container [2020-07-19 21:35:32,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:35:32" (3/3) ... [2020-07-19 21:35:32,432 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label07.c [2020-07-19 21:35:32,443 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:35:32,452 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:35:32,467 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:35:32,495 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:35:32,496 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:35:32,496 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:35:32,496 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:35:32,496 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:35:32,497 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:35:32,497 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:35:32,497 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:35:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-19 21:35:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-19 21:35:32,539 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:35:32,541 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:35:32,541 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:35:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:35:32,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1144571695, now seen corresponding path program 1 times [2020-07-19 21:35:32,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:35:32,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654343733] [2020-07-19 21:35:32,559 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4be98685 [2020-07-19 21:35:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:35:33,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654343733] [2020-07-19 21:35:33,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:35:33,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 21:35:33,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574148315] [2020-07-19 21:35:33,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:35:33,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:35:33,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:35:33,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:35:33,241 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-07-19 21:35:34,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:35:34,891 INFO L93 Difference]: Finished difference Result 651 states and 1104 transitions. [2020-07-19 21:35:34,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:35:34,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2020-07-19 21:35:34,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:35:34,914 INFO L225 Difference]: With dead ends: 651 [2020-07-19 21:35:34,914 INFO L226 Difference]: Without dead ends: 336 [2020-07-19 21:35:34,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:35:34,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-07-19 21:35:35,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 323. [2020-07-19 21:35:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-19 21:35:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 475 transitions. [2020-07-19 21:35:35,009 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 475 transitions. Word has length 145 [2020-07-19 21:35:35,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:35:35,012 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 475 transitions. [2020-07-19 21:35:35,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:35:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 475 transitions. [2020-07-19 21:35:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-19 21:35:35,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:35:35,027 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:35:35,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:35:35,028 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:35:35,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:35:35,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1937270038, now seen corresponding path program 1 times [2020-07-19 21:35:35,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:35:35,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942684947] [2020-07-19 21:35:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4be98685 [2020-07-19 21:35:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:35:35,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942684947] [2020-07-19 21:35:35,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493666559] [2020-07-19 21:35:35,437 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4be98685 No working directory specified, using /storage/repos/ultimate/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 [2020-07-19 21:35:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:35,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:35:35,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:35:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:35:35,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:35:35,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-19 21:35:35,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570073790] [2020-07-19 21:35:35,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:35:35,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:35:35,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:35:35,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:35:35,666 INFO L87 Difference]: Start difference. First operand 323 states and 475 transitions. Second operand 3 states. [2020-07-19 21:35:36,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:35:36,344 INFO L93 Difference]: Finished difference Result 930 states and 1390 transitions. [2020-07-19 21:35:36,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:35:36,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-19 21:35:36,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:35:36,354 INFO L225 Difference]: With dead ends: 930 [2020-07-19 21:35:36,354 INFO L226 Difference]: Without dead ends: 613 [2020-07-19 21:35:36,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:35:36,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2020-07-19 21:35:36,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 468. [2020-07-19 21:35:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-07-19 21:35:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 699 transitions. [2020-07-19 21:35:36,413 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 699 transitions. Word has length 153 [2020-07-19 21:35:36,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:35:36,414 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 699 transitions. [2020-07-19 21:35:36,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:35:36,414 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 699 transitions. [2020-07-19 21:35:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-19 21:35:36,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:35:36,422 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:35:36,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-19 21:35:36,637 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:35:36,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:35:36,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1556834100, now seen corresponding path program 1 times [2020-07-19 21:35:36,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:35:36,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386823132] [2020-07-19 21:35:36,640 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4be98685 [2020-07-19 21:35:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:35:36,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386823132] [2020-07-19 21:35:36,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:35:36,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:35:36,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312764572] [2020-07-19 21:35:36,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:35:36,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:35:36,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:35:36,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:35:36,837 INFO L87 Difference]: Start difference. First operand 468 states and 699 transitions. Second operand 8 states. [2020-07-19 21:35:37,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:35:37,619 INFO L93 Difference]: Finished difference Result 936 states and 1432 transitions. [2020-07-19 21:35:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 21:35:37,620 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2020-07-19 21:35:37,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:35:37,625 INFO L225 Difference]: With dead ends: 936 [2020-07-19 21:35:37,625 INFO L226 Difference]: Without dead ends: 474 [2020-07-19 21:35:37,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:35:37,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-07-19 21:35:37,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 458. [2020-07-19 21:35:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-07-19 21:35:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 640 transitions. [2020-07-19 21:35:37,649 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 640 transitions. Word has length 160 [2020-07-19 21:35:37,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:35:37,649 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 640 transitions. [2020-07-19 21:35:37,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:35:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 640 transitions. [2020-07-19 21:35:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-19 21:35:37,652 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:35:37,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:35:37,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:35:37,653 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:35:37,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:35:37,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1861272897, now seen corresponding path program 1 times [2020-07-19 21:35:37,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:35:37,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947145841] [2020-07-19 21:35:37,654 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4be98685 [2020-07-19 21:35:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:35:37,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947145841] [2020-07-19 21:35:37,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905975343] [2020-07-19 21:35:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4be98685 No working directory specified, using /storage/repos/ultimate/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 [2020-07-19 21:35:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:38,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:35:38,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:35:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:35:38,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:35:38,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-19 21:35:38,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859440333] [2020-07-19 21:35:38,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:35:38,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:35:38,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:35:38,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:35:38,146 INFO L87 Difference]: Start difference. First operand 458 states and 640 transitions. Second operand 3 states. [2020-07-19 21:35:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:35:38,685 INFO L93 Difference]: Finished difference Result 1348 states and 1910 transitions. [2020-07-19 21:35:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:35:38,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-07-19 21:35:38,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:35:38,696 INFO L225 Difference]: With dead ends: 1348 [2020-07-19 21:35:38,696 INFO L226 Difference]: Without dead ends: 896 [2020-07-19 21:35:38,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:35:38,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-07-19 21:35:38,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 606. [2020-07-19 21:35:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-07-19 21:35:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 802 transitions. [2020-07-19 21:35:38,739 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 802 transitions. Word has length 171 [2020-07-19 21:35:38,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:35:38,741 INFO L479 AbstractCegarLoop]: Abstraction has 606 states and 802 transitions. [2020-07-19 21:35:38,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:35:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 802 transitions. [2020-07-19 21:35:38,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-19 21:35:38,745 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:35:38,746 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:35:38,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:35:38,960 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:35:38,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:35:38,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1498585392, now seen corresponding path program 1 times [2020-07-19 21:35:38,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:35:38,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607315402] [2020-07-19 21:35:38,963 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4be98685 [2020-07-19 21:35:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 21:35:39,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607315402] [2020-07-19 21:35:39,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296489274] [2020-07-19 21:35:39,223 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4be98685 No working directory specified, using /storage/repos/ultimate/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 [2020-07-19 21:35:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:35:39,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:35:39,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:35:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 21:35:39,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:35:39,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-19 21:35:39,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750808932] [2020-07-19 21:35:39,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:35:39,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:35:39,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:35:39,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:35:39,480 INFO L87 Difference]: Start difference. First operand 606 states and 802 transitions. Second operand 3 states. [2020-07-19 21:35:40,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:35:40,028 INFO L93 Difference]: Finished difference Result 1496 states and 2025 transitions. [2020-07-19 21:35:40,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:35:40,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-07-19 21:35:40,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:35:40,030 INFO L225 Difference]: With dead ends: 1496 [2020-07-19 21:35:40,030 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:35:40,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:35:40,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:35:40,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:35:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:35:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:35:40,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2020-07-19 21:35:40,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:35:40,035 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:35:40,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:35:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:35:40,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:35:40,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:35:40,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:35:40,562 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2020-07-19 21:35:40,677 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:35:40,678 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-19 21:35:40,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:35:40,679 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,679 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,679 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,679 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,679 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,679 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-19 21:35:40,679 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-19 21:35:40,680 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-19 21:35:40,680 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-19 21:35:40,680 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 21:35:40,680 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 21:35:40,680 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-19 21:35:40,680 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-19 21:35:40,681 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-19 21:35:40,681 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-19 21:35:40,681 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:35:40,681 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:35:40,681 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-19 21:35:40,681 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,681 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,682 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,682 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,682 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-19 21:35:40,682 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,682 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-19 21:35:40,682 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-19 21:35:40,682 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 21:35:40,683 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 21:35:40,683 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-19 21:35:40,683 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-19 21:35:40,683 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-19 21:35:40,683 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:35:40,683 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:35:40,684 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-19 21:35:40,684 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-19 21:35:40,684 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-19 21:35:40,684 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:35:40,684 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:35:40,684 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-19 21:35:40,684 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,685 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,685 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,685 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,685 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,685 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 589) no Hoare annotation was computed. [2020-07-19 21:35:40,686 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:35:40,686 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-19 21:35:40,686 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:35:40,686 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-19 21:35:40,686 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 21:35:40,686 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 21:35:40,687 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 21:35:40,687 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-19 21:35:40,687 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-19 21:35:40,687 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-19 21:35:40,687 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-19 21:35:40,687 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,688 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,688 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,688 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,688 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,688 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-19 21:35:40,688 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-19 21:35:40,689 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-19 21:35:40,689 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-19 21:35:40,689 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 21:35:40,689 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 21:35:40,689 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 21:35:40,689 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-19 21:35:40,690 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-19 21:35:40,690 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-19 21:35:40,690 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-19 21:35:40,690 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-19 21:35:40,690 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-19 21:35:40,691 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,691 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,691 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,691 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,691 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,691 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-19 21:35:40,692 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 21:35:40,692 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 21:35:40,692 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-19 21:35:40,692 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 21:35:40,692 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 21:35:40,692 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-19 21:35:40,693 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-19 21:35:40,693 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-19 21:35:40,693 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-19 21:35:40,693 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-19 21:35:40,693 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-19 21:35:40,693 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-19 21:35:40,693 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:35:40,694 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-19 21:35:40,694 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:35:40,694 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,694 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,694 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,694 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,694 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-19 21:35:40,695 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,695 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:35:40,695 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,695 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:35:40,695 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:35:40,695 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:35:40,696 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,696 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,696 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 21:35:40,696 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 21:35:40,696 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 21:35:40,696 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 21:35:40,696 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 21:35:40,697 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-19 21:35:40,697 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-19 21:35:40,697 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-19 21:35:40,697 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-19 21:35:40,697 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-19 21:35:40,697 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-19 21:35:40,698 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,698 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,698 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,698 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,698 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,698 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,699 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-19 21:35:40,699 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 21:35:40,699 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 21:35:40,699 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 21:35:40,699 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 21:35:40,699 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 21:35:40,699 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-19 21:35:40,700 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-19 21:35:40,700 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-19 21:35:40,700 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-19 21:35:40,700 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-19 21:35:40,700 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,700 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,701 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,701 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,701 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,701 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,701 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-19 21:35:40,701 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-19 21:35:40,702 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-19 21:35:40,702 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 21:35:40,702 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-19 21:35:40,702 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-19 21:35:40,702 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 21:35:40,702 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:35:40,703 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-19 21:35:40,703 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-19 21:35:40,703 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-19 21:35:40,703 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-19 21:35:40,703 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-19 21:35:40,703 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-19 21:35:40,703 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,704 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,704 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,704 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or (not (<= |old(~a28~0)| 10)) .cse0 .cse1) (or .cse0 .cse1 (= |old(~a19~0)| |old(~a25~0)|)) (or (not (<= 8 |old(~a17~0)|)) .cse0 .cse1))) [2020-07-19 21:35:40,704 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,705 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,705 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,705 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-19 21:35:40,705 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-19 21:35:40,705 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-19 21:35:40,705 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 21:35:40,706 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 21:35:40,706 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 21:35:40,706 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-19 21:35:40,706 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:35:40,706 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-19 21:35:40,706 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-19 21:35:40,707 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-19 21:35:40,707 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-19 21:35:40,707 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-19 21:35:40,707 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,707 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,708 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,708 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,708 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,708 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,708 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-19 21:35:40,708 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-19 21:35:40,709 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 21:35:40,709 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-19 21:35:40,709 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-19 21:35:40,709 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 21:35:40,709 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 21:35:40,709 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-19 21:35:40,709 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-19 21:35:40,710 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-19 21:35:40,710 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-19 21:35:40,710 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:35:40,710 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:35:40,710 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-19 21:35:40,710 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-19 21:35:40,710 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-19 21:35:40,711 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,711 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,711 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,711 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,711 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:35:40,711 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-19 21:35:40,711 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-19 21:35:40,712 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-19 21:35:40,712 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-19 21:35:40,712 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-19 21:35:40,712 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-19 21:35:40,712 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 21:35:40,712 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:35:40,712 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 21:35:40,712 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-19 21:35:40,713 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-19 21:35:40,713 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:35:40,713 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-19 21:35:40,713 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:35:40,713 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-19 21:35:40,713 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:35:40,713 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:35:40,714 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-19 21:35:40,714 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-19 21:35:40,714 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:35:40,714 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 ~a19~0)) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-19 21:35:40,714 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:35:40,714 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:35:40,715 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (= |old(~a19~0)| |old(~a25~0)|)) [2020-07-19 21:35:40,715 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 10)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)) (= |old(~a19~0)| |old(~a25~0)|) (and (not (= ~a25~0 ~a19~0)) .cse0))) [2020-07-19 21:35:40,715 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:35:40,715 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:35:40,715 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 10)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)) (= |old(~a19~0)| |old(~a25~0)|) (and (not (= ~a25~0 ~a19~0)) .cse0))) [2020-07-19 21:35:40,716 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 21:35:40,716 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 21:35:40,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:35:40 BoogieIcfgContainer [2020-07-19 21:35:40,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:35:40,740 INFO L168 Benchmark]: Toolchain (without parser) took 10527.79 ms. Allocated memory was 144.2 MB in the beginning and 379.1 MB in the end (delta: 234.9 MB). Free memory was 100.1 MB in the beginning and 106.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 228.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:35:40,740 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 21:35:40,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.18 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 99.7 MB in the beginning and 169.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:35:40,742 INFO L168 Benchmark]: Boogie Preprocessor took 149.66 ms. Allocated memory is still 203.9 MB. Free memory was 169.0 MB in the beginning and 163.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:35:40,743 INFO L168 Benchmark]: RCFGBuilder took 1287.46 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 163.9 MB in the beginning and 179.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:35:40,744 INFO L168 Benchmark]: TraceAbstraction took 8313.18 ms. Allocated memory was 234.9 MB in the beginning and 379.1 MB in the end (delta: 144.2 MB). Free memory was 179.3 MB in the beginning and 106.8 MB in the end (delta: 72.5 MB). Peak memory consumption was 216.6 MB. Max. memory is 7.1 GB. [2020-07-19 21:35:40,748 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.18 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 99.7 MB in the beginning and 169.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.66 ms. Allocated memory is still 203.9 MB. Free memory was 169.0 MB in the beginning and 163.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1287.46 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 163.9 MB in the beginning and 179.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8313.18 ms. Allocated memory was 234.9 MB in the beginning and 379.1 MB in the end (delta: 144.2 MB). Free memory was 179.3 MB in the beginning and 106.8 MB in the end (delta: 72.5 MB). Peak memory consumption was 216.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 589]: 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: 606]: Loop Invariant Derived loop invariant: ((((((a17 <= 8 && a28 <= 10) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || !(\old(a17) <= 8)) || (a17 <= 8 && 8 <= a17)) || \old(a19) == \old(a25)) || (!(a25 == a19) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 243 SDtfs, 1168 SDslu, 97 SDs, 0 SdLazy, 2174 SolverSat, 494 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=606occurred in iteration=4, 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, 5 MinimizatonAttempts, 464 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 25 PreInvPairs, 37 NumberOfFragments, 250 HoareAnnotationTreeSize, 25 FomulaSimplifications, 3261 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 470 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1313 NumberOfCodeBlocks, 1313 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1305 ConstructedInterpolants, 0 QuantifiedInterpolants, 1060088 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1178 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 142/152 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...