/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 13:49:36,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 13:49:36,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 13:49:36,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 13:49:36,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 13:49:36,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 13:49:36,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 13:49:36,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 13:49:36,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 13:49:36,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 13:49:36,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 13:49:36,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 13:49:36,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 13:49:36,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 13:49:36,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 13:49:36,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 13:49:36,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 13:49:36,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 13:49:36,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 13:49:36,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 13:49:36,985 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 [2020-07-21 13:49:37,019 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 13:49:37,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 13:49:37,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 13:49:37,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 13:49:37,026 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 13:49:37,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 13:49:37,027 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 13:49:37,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 13:49:37,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 13:49:37,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 13:49:37,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 13:49:37,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 13:49:37,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 13:49:37,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 13:49:37,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 13:49:37,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 13:49:37,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 13:49:37,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 13:49:37,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 13:49:37,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 13:49:37,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 13:49:37,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:49:37,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 13:49:37,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 13:49:37,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 13:49:37,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 13:49:37,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:37,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 13:49:37,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 13:49:37,032 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 13:49:37,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 13:49:37,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 13:49:37,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 13:49:37,366 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 13:49:37,366 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 13:49:37,367 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2020-07-21 13:49:37,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b958c05c/f6bf893a8c1c4bda9d6810ccd07e8ee4/FLAGd45d2c7cd [2020-07-21 13:49:38,018 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 13:49:38,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2020-07-21 13:49:38,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b958c05c/f6bf893a8c1c4bda9d6810ccd07e8ee4/FLAGd45d2c7cd [2020-07-21 13:49:38,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b958c05c/f6bf893a8c1c4bda9d6810ccd07e8ee4 [2020-07-21 13:49:38,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 13:49:38,286 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 13:49:38,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 13:49:38,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 13:49:38,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 13:49:38,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:49:38" (1/1) ... [2020-07-21 13:49:38,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40808b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:38, skipping insertion in model container [2020-07-21 13:49:38,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:49:38" (1/1) ... [2020-07-21 13:49:38,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 13:49:38,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 13:49:38,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:49:38,830 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 13:49:39,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:49:39,105 INFO L208 MainTranslator]: Completed translation [2020-07-21 13:49:39,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39 WrapperNode [2020-07-21 13:49:39,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 13:49:39,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 13:49:39,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 13:49:39,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 13:49:39,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (1/1) ... [2020-07-21 13:49:39,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (1/1) ... [2020-07-21 13:49:39,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (1/1) ... [2020-07-21 13:49:39,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (1/1) ... [2020-07-21 13:49:39,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (1/1) ... [2020-07-21 13:49:39,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (1/1) ... [2020-07-21 13:49:39,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (1/1) ... [2020-07-21 13:49:39,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 13:49:39,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 13:49:39,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 13:49:39,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 13:49:39,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (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 [2020-07-21 13:49:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 13:49:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 13:49:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 13:49:39,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 13:49:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 13:49:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 13:49:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 13:49:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 13:49:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 13:49:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 13:49:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 13:49:40,481 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 13:49:40,481 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 13:49:40,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:49:40 BoogieIcfgContainer [2020-07-21 13:49:40,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 13:49:40,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 13:49:40,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 13:49:40,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 13:49:40,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:49:38" (1/3) ... [2020-07-21 13:49:40,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfaa0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:49:40, skipping insertion in model container [2020-07-21 13:49:40,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:39" (2/3) ... [2020-07-21 13:49:40,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfaa0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:49:40, skipping insertion in model container [2020-07-21 13:49:40,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:49:40" (3/3) ... [2020-07-21 13:49:40,497 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label55.c [2020-07-21 13:49:40,508 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 13:49:40,516 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 13:49:40,530 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 13:49:40,557 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 13:49:40,558 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 13:49:40,558 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 13:49:40,558 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 13:49:40,558 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 13:49:40,558 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 13:49:40,558 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 13:49:40,559 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 13:49:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 13:49:40,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-21 13:49:40,598 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:49:40,599 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] [2020-07-21 13:49:40,600 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:49:40,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:49:40,608 INFO L82 PathProgramCache]: Analyzing trace with hash -462333177, now seen corresponding path program 1 times [2020-07-21 13:49:40,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:49:40,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137960260] [2020-07-21 13:49:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:40,894 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:49:40,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:49:40,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:49:40,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:49:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:49:41,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:49:41,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137960260] [2020-07-21 13:49:41,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:49:41,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:49:41,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091624972] [2020-07-21 13:49:41,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:49:41,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:49:41,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:49:41,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:49:41,066 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-21 13:49:41,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:49:41,965 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2020-07-21 13:49:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:49:41,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-07-21 13:49:41,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:49:41,993 INFO L225 Difference]: With dead ends: 547 [2020-07-21 13:49:41,994 INFO L226 Difference]: Without dead ends: 278 [2020-07-21 13:49:42,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:49:42,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-21 13:49:42,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-21 13:49:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-21 13:49:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2020-07-21 13:49:42,136 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 117 [2020-07-21 13:49:42,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:49:42,138 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2020-07-21 13:49:42,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:49:42,138 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2020-07-21 13:49:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-21 13:49:42,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:49:42,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:49:42,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:42,364 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:49:42,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:49:42,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1604702730, now seen corresponding path program 1 times [2020-07-21 13:49:42,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:49:42,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276406196] [2020-07-21 13:49:42,365 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:42,495 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:49:42,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:49:42,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:49:42,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:49:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:49:42,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:49:42,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276406196] [2020-07-21 13:49:42,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:49:42,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 13:49:42,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261823029] [2020-07-21 13:49:42,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 13:49:42,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:49:42,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 13:49:42,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:49:42,566 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2020-07-21 13:49:43,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:49:43,355 INFO L93 Difference]: Finished difference Result 842 states and 1252 transitions. [2020-07-21 13:49:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:49:43,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-07-21 13:49:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:49:43,362 INFO L225 Difference]: With dead ends: 842 [2020-07-21 13:49:43,362 INFO L226 Difference]: Without dead ends: 570 [2020-07-21 13:49:43,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 13:49:43,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-07-21 13:49:43,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 556. [2020-07-21 13:49:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-21 13:49:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2020-07-21 13:49:43,401 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 126 [2020-07-21 13:49:43,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:49:43,402 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2020-07-21 13:49:43,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 13:49:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2020-07-21 13:49:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-21 13:49:43,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:49:43,406 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-07-21 13:49:43,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:43,622 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:49:43,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:49:43,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1555807011, now seen corresponding path program 1 times [2020-07-21 13:49:43,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:49:43,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048331974] [2020-07-21 13:49:43,625 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:43,773 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:49:43,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:49:43,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:49:43,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:49:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-21 13:49:43,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:49:43,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048331974] [2020-07-21 13:49:43,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:49:43,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:49:43,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978212866] [2020-07-21 13:49:43,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:49:43,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:49:43,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:49:43,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:49:43,818 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 3 states. [2020-07-21 13:49:44,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:49:44,455 INFO L93 Difference]: Finished difference Result 1654 states and 2396 transitions. [2020-07-21 13:49:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:49:44,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-21 13:49:44,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:49:44,473 INFO L225 Difference]: With dead ends: 1654 [2020-07-21 13:49:44,474 INFO L226 Difference]: Without dead ends: 1104 [2020-07-21 13:49:44,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:49:44,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2020-07-21 13:49:44,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 834. [2020-07-21 13:49:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-07-21 13:49:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1162 transitions. [2020-07-21 13:49:44,518 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1162 transitions. Word has length 137 [2020-07-21 13:49:44,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:49:44,519 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 1162 transitions. [2020-07-21 13:49:44,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:49:44,520 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1162 transitions. [2020-07-21 13:49:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-21 13:49:44,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:49:44,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:49:44,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:44,728 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:49:44,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:49:44,729 INFO L82 PathProgramCache]: Analyzing trace with hash -879876428, now seen corresponding path program 1 times [2020-07-21 13:49:44,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:49:44,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426756247] [2020-07-21 13:49:44,730 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:44,903 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:49:44,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:49:44,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:49:44,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:49:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:49:44,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:49:44,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426756247] [2020-07-21 13:49:44,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:49:44,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 13:49:44,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941494599] [2020-07-21 13:49:44,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 13:49:44,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:49:44,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 13:49:44,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:49:44,961 INFO L87 Difference]: Start difference. First operand 834 states and 1162 transitions. Second operand 5 states. [2020-07-21 13:49:45,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:49:45,836 INFO L93 Difference]: Finished difference Result 2244 states and 3195 transitions. [2020-07-21 13:49:45,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:49:45,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-07-21 13:49:45,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:49:45,853 INFO L225 Difference]: With dead ends: 2244 [2020-07-21 13:49:45,853 INFO L226 Difference]: Without dead ends: 1416 [2020-07-21 13:49:45,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 13:49:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2020-07-21 13:49:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1404. [2020-07-21 13:49:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1404 states. [2020-07-21 13:49:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1899 transitions. [2020-07-21 13:49:45,950 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1899 transitions. Word has length 145 [2020-07-21 13:49:45,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:49:45,951 INFO L479 AbstractCegarLoop]: Abstraction has 1404 states and 1899 transitions. [2020-07-21 13:49:45,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 13:49:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1899 transitions. [2020-07-21 13:49:45,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 13:49:45,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:49:45,957 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:49:46,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:46,172 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:49:46,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:49:46,172 INFO L82 PathProgramCache]: Analyzing trace with hash 792956155, now seen corresponding path program 1 times [2020-07-21 13:49:46,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:49:46,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544095743] [2020-07-21 13:49:46,173 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:46,289 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:49:46,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:49:46,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:49:46,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:49:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:49:46,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:49:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:49:46,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544095743] [2020-07-21 13:49:46,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:49:46,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 13:49:46,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909486592] [2020-07-21 13:49:46,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 13:49:46,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:49:46,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 13:49:46,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 13:49:46,441 INFO L87 Difference]: Start difference. First operand 1404 states and 1899 transitions. Second operand 8 states. [2020-07-21 13:49:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:49:48,305 INFO L93 Difference]: Finished difference Result 5253 states and 7698 transitions. [2020-07-21 13:49:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 13:49:48,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2020-07-21 13:49:48,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:49:48,336 INFO L225 Difference]: With dead ends: 5253 [2020-07-21 13:49:48,336 INFO L226 Difference]: Without dead ends: 3855 [2020-07-21 13:49:48,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-21 13:49:48,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2020-07-21 13:49:48,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 2647. [2020-07-21 13:49:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2020-07-21 13:49:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3478 transitions. [2020-07-21 13:49:48,475 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3478 transitions. Word has length 156 [2020-07-21 13:49:48,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:49:48,475 INFO L479 AbstractCegarLoop]: Abstraction has 2647 states and 3478 transitions. [2020-07-21 13:49:48,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 13:49:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3478 transitions. [2020-07-21 13:49:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 13:49:48,484 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:49:48,484 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:49:48,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:48,700 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:49:48,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:49:48,701 INFO L82 PathProgramCache]: Analyzing trace with hash 326798847, now seen corresponding path program 1 times [2020-07-21 13:49:48,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:49:48,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695447080] [2020-07-21 13:49:48,702 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:48,927 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:49:48,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:49:48,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:49:48,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:49:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-21 13:49:49,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:49:49,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695447080] [2020-07-21 13:49:49,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:49:49,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:49:49,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48595956] [2020-07-21 13:49:49,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:49:49,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:49:49,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:49:49,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:49:49,017 INFO L87 Difference]: Start difference. First operand 2647 states and 3478 transitions. Second operand 3 states. [2020-07-21 13:49:49,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:49:49,538 INFO L93 Difference]: Finished difference Result 4605 states and 6049 transitions. [2020-07-21 13:49:49,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:49:49,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-21 13:49:49,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:49:49,540 INFO L225 Difference]: With dead ends: 4605 [2020-07-21 13:49:49,540 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 13:49:49,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:49:49,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 13:49:49,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 13:49:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 13:49:49,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 13:49:49,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2020-07-21 13:49:49,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:49:49,550 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 13:49:49,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:49:49,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 13:49:49,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 13:49:49,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:49:49,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 13:49:50,503 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2020-07-21 13:49:50,620 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2020-07-21 13:49:50,694 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:49:50,695 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (<= |old(~a16~0)| ~a16~0) (<= ~a7~0 |old(~a7~0)|)) [2020-07-21 13:49:50,695 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:49:50,695 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-21 13:49:50,696 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-21 13:49:50,697 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,697 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,697 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,697 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,697 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,697 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,697 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-21 13:49:50,698 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-21 13:49:50,698 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 13:49:50,698 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-21 13:49:50,698 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 13:49:50,698 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 13:49:50,698 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 13:49:50,698 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-21 13:49:50,699 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-21 13:49:50,699 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-21 13:49:50,699 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,699 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,699 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,699 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,699 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,700 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,700 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-21 13:49:50,700 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-21 13:49:50,700 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 13:49:50,700 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 13:49:50,700 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 13:49:50,700 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 13:49:50,701 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 13:49:50,701 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 13:49:50,701 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-21 13:49:50,701 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-21 13:49:50,701 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-21 13:49:50,701 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2020-07-21 13:49:50,702 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-21 13:49:50,702 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-21 13:49:50,702 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-21 13:49:50,702 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-21 13:49:50,702 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,702 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,702 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,702 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,703 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,703 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-21 13:49:50,703 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-21 13:49:50,703 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 13:49:50,703 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-21 13:49:50,703 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-21 13:49:50,704 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 13:49:50,704 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 13:49:50,704 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 13:49:50,704 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-21 13:49:50,704 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,704 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,705 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,705 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,705 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,705 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-21 13:49:50,707 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 13:49:50,707 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-21 13:49:50,708 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 13:49:50,708 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-21 13:49:50,708 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 13:49:50,708 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-21 13:49:50,708 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-21 13:49:50,708 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-21 13:49:50,708 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-21 13:49:50,709 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-21 13:49:50,709 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-21 13:49:50,709 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-21 13:49:50,709 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,709 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,709 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,712 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,712 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,712 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-21 13:49:50,713 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-21 13:49:50,713 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-21 13:49:50,713 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 13:49:50,713 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-21 13:49:50,713 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 13:49:50,713 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 13:49:50,714 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-21 13:49:50,714 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-21 13:49:50,714 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,714 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,714 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,714 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,715 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,715 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,715 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-21 13:49:50,715 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,715 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-21 13:49:50,715 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-21 13:49:50,715 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-21 13:49:50,716 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-21 13:49:50,716 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 13:49:50,716 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 13:49:50,716 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-21 13:49:50,716 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-21 13:49:50,717 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-21 13:49:50,717 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-21 13:49:50,717 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-21 13:49:50,717 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-21 13:49:50,717 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-21 13:49:50,718 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,718 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,718 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,718 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,718 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,720 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-21 13:49:50,721 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-21 13:49:50,721 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 13:49:50,721 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 13:49:50,722 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 13:49:50,722 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 13:49:50,722 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-21 13:49:50,722 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-21 13:49:50,722 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,723 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,723 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,724 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,724 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,724 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-21 13:49:50,724 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-21 13:49:50,724 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-21 13:49:50,725 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-21 13:49:50,725 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-21 13:49:50,725 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 13:49:50,725 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 13:49:50,725 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 13:49:50,725 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 13:49:50,725 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-21 13:49:50,726 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 |old(~a8~0)|)) (.cse3 (<= |old(~a16~0)| ~a16~0)) (.cse4 (<= ~a7~0 |old(~a7~0)|))) (let ((.cse1 (not (<= 15 |old(~a8~0)|))) (.cse0 (and .cse2 .cse3 (<= ~a17~0 0) .cse4)) (.cse6 (<= ~a16~0 5)) (.cse5 (not (<= |old(~a16~0)| 5))) (.cse8 (not (<= |old(~a8~0)| 13)))) (and (or (not (<= |old(~a17~0)| 0)) .cse0) (or .cse1 (and .cse2 .cse3 (<= 15 ~a8~0) .cse4)) (or .cse1 .cse5 .cse6) (or (and .cse2 (<= ~a8~0 13) .cse3 .cse4) (and .cse3 .cse6 (< ~a8~0 15) .cse4) (let ((.cse7 (not (<= |old(~a7~0)| 0)))) (and (or .cse7 .cse5 (not (< |old(~a8~0)| 15))) (or .cse7 .cse8))) .cse0) (or (and .cse2 .cse3 .cse6 .cse4) .cse5 .cse8)))) [2020-07-21 13:49:50,726 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-21 13:49:50,726 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,726 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,726 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,726 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,727 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-21 13:49:50,727 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,727 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,727 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-21 13:49:50,727 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-21 13:49:50,727 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-21 13:49:50,727 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-21 13:49:50,728 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 13:49:50,728 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 13:49:50,728 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-21 13:49:50,728 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 13:49:50,728 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-21 13:49:50,728 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-21 13:49:50,728 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-21 13:49:50,728 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-21 13:49:50,729 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,729 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,729 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,729 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,729 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,729 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-21 13:49:50,729 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,730 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-21 13:49:50,730 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-21 13:49:50,730 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 13:49:50,730 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 13:49:50,730 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 13:49:50,730 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 13:49:50,730 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 13:49:50,730 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-21 13:49:50,731 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-21 13:49:50,731 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-21 13:49:50,731 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-21 13:49:50,731 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-21 13:49:50,731 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-21 13:49:50,731 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-21 13:49:50,731 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,731 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 13:49:50,732 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 13:49:50,733 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 13:49:50,733 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 13:49:50,733 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-21 13:49:50,733 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-21 13:49:50,733 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-21 13:49:50,733 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:49:50,733 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0)) [2020-07-21 13:49:50,734 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 13:49:50,734 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:49:50,734 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (<= ~a7~0 |old(~a7~0)|)) (not (<= 5 |old(~a16~0)|))) [2020-07-21 13:49:50,734 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-21 13:49:50,734 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 5)) (.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a7~0 0))) (or (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1) (and .cse2 .cse1) (not (<= 5 |old(~a16~0)|)) (and .cse2 .cse0))) [2020-07-21 13:49:50,734 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-21 13:49:50,734 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 13:49:50,735 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 5)) (.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a7~0 0))) (or (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1) (and .cse2 .cse1) (not (<= 5 |old(~a16~0)|)) (and .cse2 .cse0))) [2020-07-21 13:49:50,735 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-21 13:49:50,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:49:50 BoogieIcfgContainer [2020-07-21 13:49:50,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 13:49:50,767 INFO L168 Benchmark]: Toolchain (without parser) took 12482.25 ms. Allocated memory was 144.2 MB in the beginning and 375.9 MB in the end (delta: 231.7 MB). Free memory was 100.3 MB in the beginning and 305.5 MB in the end (delta: -205.2 MB). Peak memory consumption was 249.3 MB. Max. memory is 7.1 GB. [2020-07-21 13:49:50,768 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 13:49:50,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.68 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 99.9 MB in the beginning and 171.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-07-21 13:49:50,771 INFO L168 Benchmark]: Boogie Preprocessor took 125.64 ms. Allocated memory is still 205.0 MB. Free memory was 171.3 MB in the beginning and 166.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-21 13:49:50,776 INFO L168 Benchmark]: RCFGBuilder took 1254.83 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 166.2 MB in the beginning and 181.1 MB in the end (delta: -14.9 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-21 13:49:50,777 INFO L168 Benchmark]: TraceAbstraction took 10275.80 ms. Allocated memory was 235.9 MB in the beginning and 375.9 MB in the end (delta: 140.0 MB). Free memory was 179.7 MB in the beginning and 305.5 MB in the end (delta: -125.8 MB). Peak memory consumption was 236.9 MB. Max. memory is 7.1 GB. [2020-07-21 13:49:50,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 818.68 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 99.9 MB in the beginning and 171.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.64 ms. Allocated memory is still 205.0 MB. Free memory was 171.3 MB in the beginning and 166.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1254.83 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 166.2 MB in the beginning and 181.1 MB in the end (delta: -14.9 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10275.80 ms. Allocated memory was 235.9 MB in the beginning and 375.9 MB in the end (delta: 140.0 MB). Free memory was 179.7 MB in the beginning and 305.5 MB in the end (delta: -125.8 MB). Peak memory consumption was 236.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: 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: (((((((!(15 <= \old(a8)) || a17 <= 0) || !(\old(a7) <= 0)) || 15 <= a8) || !(\old(a16) <= 5)) || (a7 <= 0 && a16 <= 5)) || (a8 <= 13 && a16 <= 5)) || !(5 <= \old(a16))) || (a8 <= 13 && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 370 SDtfs, 1884 SDslu, 185 SDs, 0 SdLazy, 3674 SolverSat, 686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 978 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2647occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 1504 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 101 NumberOfFragments, 279 HoareAnnotationTreeSize, 63 FomulaSimplifications, 3384 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 729 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 839 NumberOfCodeBlocks, 839 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 988 ConstructedInterpolants, 0 QuantifiedInterpolants, 279086 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2357 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 184/188 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...