/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_VARIABLES --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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:32:53,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:32:53,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:32:53,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:32:53,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:32:53,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:32:53,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:32:53,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:32:53,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:32:53,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:32:53,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:32:53,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:32:53,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:32:53,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:32:53,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:32:53,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:32:53,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:32:53,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:32:53,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:32:53,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:32:53,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:32:53,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:32:53,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:32:53,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:32:53,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:32:53,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:32:53,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:32:53,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:32:53,977 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 16:32:53,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:32:53,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:32:53,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:32:53,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:32:53,993 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:32:53,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:32:53,993 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:32:53,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:32:53,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:32:53,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:32:53,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:32:53,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:32:53,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:32:53,994 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:32:53,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:32:53,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:32:53,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:32:53,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:32:53,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:32:53,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:32:53,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:32:53,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:32:53,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:32:53,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:32:53,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:32:53,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:32:53,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:32:53,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:32:53,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:32:53,997 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_VARIABLES 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 16:32:54,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:32:54,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:32:54,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:32:54,306 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:32:54,307 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:32:54,307 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2020-07-21 16:32:54,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6cc2646/0267254590a84da1a9ccbe58042edce4/FLAG1130e2065 [2020-07-21 16:32:54,860 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:32:54,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2020-07-21 16:32:54,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6cc2646/0267254590a84da1a9ccbe58042edce4/FLAG1130e2065 [2020-07-21 16:32:55,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6cc2646/0267254590a84da1a9ccbe58042edce4 [2020-07-21 16:32:55,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:32:55,119 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:32:55,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:32:55,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:32:55,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:32:55,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:55,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3033b9f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55, skipping insertion in model container [2020-07-21 16:32:55,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:55,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:32:55,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:32:55,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:32:55,664 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:32:55,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:32:55,918 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:32:55,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55 WrapperNode [2020-07-21 16:32:55,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:32:55,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:32:55,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:32:55,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:32:55,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:55,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:55,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:55,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:56,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:56,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:56,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (1/1) ... [2020-07-21 16:32:56,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:32:56,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:32:56,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:32:56,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:32:56,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (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 16:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 16:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:32:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 16:32:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:32:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:32:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:32:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:32:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:32:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:32:57,248 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:32:57,249 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:32:57,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:32:57 BoogieIcfgContainer [2020-07-21 16:32:57,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:32:57,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:32:57,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:32:57,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:32:57,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:32:55" (1/3) ... [2020-07-21 16:32:57,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df316da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:32:57, skipping insertion in model container [2020-07-21 16:32:57,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:32:55" (2/3) ... [2020-07-21 16:32:57,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df316da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:32:57, skipping insertion in model container [2020-07-21 16:32:57,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:32:57" (3/3) ... [2020-07-21 16:32:57,263 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label49.c [2020-07-21 16:32:57,273 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:32:57,281 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:32:57,295 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:32:57,322 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:32:57,322 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:32:57,322 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:32:57,323 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:32:57,323 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:32:57,323 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:32:57,324 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:32:57,324 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:32:57,346 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 16:32:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 16:32:57,359 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:32:57,360 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] [2020-07-21 16:32:57,361 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:32:57,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:32:57,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1048845111, now seen corresponding path program 1 times [2020-07-21 16:32:57,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:32:57,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314458866] [2020-07-21 16:32:57,378 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 16:32:57,589 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:32:57,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:32:57,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:32:57,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:32:57,726 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 16:32:57,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:32:57,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314458866] [2020-07-21 16:32:57,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:32:57,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:32:57,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275554444] [2020-07-21 16:32:57,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:32:57,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:32:57,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:32:57,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:32:57,757 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-21 16:32:58,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:32:58,699 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2020-07-21 16:32:58,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:32:58,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 16:32:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:32:58,716 INFO L225 Difference]: With dead ends: 547 [2020-07-21 16:32:58,717 INFO L226 Difference]: Without dead ends: 278 [2020-07-21 16:32:58,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 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 16:32:58,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-21 16:32:58,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-21 16:32:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-21 16:32:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2020-07-21 16:32:58,789 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 113 [2020-07-21 16:32:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:32:58,790 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2020-07-21 16:32:58,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:32:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2020-07-21 16:32:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 16:32:58,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:32:58,795 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] [2020-07-21 16:32:59,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:32:59,010 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:32:59,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:32:59,011 INFO L82 PathProgramCache]: Analyzing trace with hash -751137862, now seen corresponding path program 1 times [2020-07-21 16:32:59,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:32:59,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592665393] [2020-07-21 16:32:59,013 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 16:32:59,132 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:32:59,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:32:59,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:32:59,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:32:59,193 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 16:32:59,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:32:59,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592665393] [2020-07-21 16:32:59,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:32:59,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:32:59,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934695203] [2020-07-21 16:32:59,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:32:59,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:32:59,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:32:59,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:32:59,199 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 3 states. [2020-07-21 16:32:59,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:32:59,796 INFO L93 Difference]: Finished difference Result 820 states and 1217 transitions. [2020-07-21 16:32:59,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:32:59,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-07-21 16:32:59,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:32:59,813 INFO L225 Difference]: With dead ends: 820 [2020-07-21 16:32:59,814 INFO L226 Difference]: Without dead ends: 548 [2020-07-21 16:32:59,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 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 16:32:59,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-21 16:32:59,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2020-07-21 16:32:59,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-07-21 16:32:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 764 transitions. [2020-07-21 16:32:59,852 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 764 transitions. Word has length 122 [2020-07-21 16:32:59,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:32:59,852 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 764 transitions. [2020-07-21 16:32:59,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:32:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 764 transitions. [2020-07-21 16:32:59,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-21 16:32:59,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:32:59,858 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:33:00,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:33:00,072 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:33:00,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:33:00,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1964219250, now seen corresponding path program 1 times [2020-07-21 16:33:00,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:33:00,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503966850] [2020-07-21 16:33:00,076 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 16:33:00,177 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:33:00,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:33:00,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:33:00,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:33:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:33:00,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:33:00,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503966850] [2020-07-21 16:33:00,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:33:00,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:33:00,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877743182] [2020-07-21 16:33:00,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:33:00,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:33:00,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:33:00,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:33:00,248 INFO L87 Difference]: Start difference. First operand 548 states and 764 transitions. Second operand 3 states. [2020-07-21 16:33:00,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:33:00,817 INFO L93 Difference]: Finished difference Result 1630 states and 2315 transitions. [2020-07-21 16:33:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:33:00,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-07-21 16:33:00,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:33:00,827 INFO L225 Difference]: With dead ends: 1630 [2020-07-21 16:33:00,827 INFO L226 Difference]: Without dead ends: 1088 [2020-07-21 16:33:00,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 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 16:33:00,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-07-21 16:33:00,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 818. [2020-07-21 16:33:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-07-21 16:33:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1120 transitions. [2020-07-21 16:33:00,884 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1120 transitions. Word has length 132 [2020-07-21 16:33:00,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:33:00,887 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1120 transitions. [2020-07-21 16:33:00,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:33:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1120 transitions. [2020-07-21 16:33:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-21 16:33:00,899 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:33:00,899 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] [2020-07-21 16:33:01,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:33:01,101 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:33:01,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:33:01,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1661715812, now seen corresponding path program 1 times [2020-07-21 16:33:01,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:33:01,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134821684] [2020-07-21 16:33:01,104 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 16:33:01,226 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:33:01,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:33:01,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:33:01,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:33:01,300 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 16:33:01,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:33:01,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134821684] [2020-07-21 16:33:01,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:33:01,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:33:01,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234457757] [2020-07-21 16:33:01,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:33:01,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:33:01,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:33:01,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:33:01,304 INFO L87 Difference]: Start difference. First operand 818 states and 1120 transitions. Second operand 3 states. [2020-07-21 16:33:01,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:33:01,846 INFO L93 Difference]: Finished difference Result 2305 states and 3231 transitions. [2020-07-21 16:33:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:33:01,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-07-21 16:33:01,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:33:01,858 INFO L225 Difference]: With dead ends: 2305 [2020-07-21 16:33:01,858 INFO L226 Difference]: Without dead ends: 1493 [2020-07-21 16:33:01,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 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 16:33:01,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2020-07-21 16:33:01,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1493. [2020-07-21 16:33:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-07-21 16:33:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2021 transitions. [2020-07-21 16:33:01,918 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2021 transitions. Word has length 141 [2020-07-21 16:33:01,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:33:01,919 INFO L479 AbstractCegarLoop]: Abstraction has 1493 states and 2021 transitions. [2020-07-21 16:33:01,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:33:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2021 transitions. [2020-07-21 16:33:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-21 16:33:01,930 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:33:01,930 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:33:02,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:33:02,145 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:33:02,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:33:02,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1668372867, now seen corresponding path program 1 times [2020-07-21 16:33:02,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:33:02,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877108204] [2020-07-21 16:33:02,148 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 16:33:02,281 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:33:02,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:33:02,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:33:02,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:33:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:33:02,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:33:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:33:02,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877108204] [2020-07-21 16:33:02,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:33:02,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:33:02,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033115414] [2020-07-21 16:33:02,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:33:02,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:33:02,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:33:02,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:33:02,499 INFO L87 Difference]: Start difference. First operand 1493 states and 2021 transitions. Second operand 6 states. [2020-07-21 16:33:03,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:33:03,615 INFO L93 Difference]: Finished difference Result 4087 states and 6111 transitions. [2020-07-21 16:33:03,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 16:33:03,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2020-07-21 16:33:03,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:33:03,638 INFO L225 Difference]: With dead ends: 4087 [2020-07-21 16:33:03,638 INFO L226 Difference]: Without dead ends: 2600 [2020-07-21 16:33:03,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 388 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:33:03,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2600 states. [2020-07-21 16:33:03,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2600 to 2484. [2020-07-21 16:33:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2484 states. [2020-07-21 16:33:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2484 states and 3343 transitions. [2020-07-21 16:33:03,746 INFO L78 Accepts]: Start accepts. Automaton has 2484 states and 3343 transitions. Word has length 196 [2020-07-21 16:33:03,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:33:03,746 INFO L479 AbstractCegarLoop]: Abstraction has 2484 states and 3343 transitions. [2020-07-21 16:33:03,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:33:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 3343 transitions. [2020-07-21 16:33:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-21 16:33:03,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:33:03,757 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:33:03,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:33:03,973 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:33:03,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:33:03,974 INFO L82 PathProgramCache]: Analyzing trace with hash 859264267, now seen corresponding path program 1 times [2020-07-21 16:33:03,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:33:03,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924321490] [2020-07-21 16:33:03,975 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 16:33:04,144 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:33:04,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:33:04,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:33:04,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:33:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 16:33:04,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:33:04,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924321490] [2020-07-21 16:33:04,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:33:04,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:33:04,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183020648] [2020-07-21 16:33:04,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:33:04,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:33:04,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:33:04,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:33:04,197 INFO L87 Difference]: Start difference. First operand 2484 states and 3343 transitions. Second operand 3 states. [2020-07-21 16:33:04,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:33:04,787 INFO L93 Difference]: Finished difference Result 5504 states and 7473 transitions. [2020-07-21 16:33:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:33:04,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-07-21 16:33:04,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:33:04,788 INFO L225 Difference]: With dead ends: 5504 [2020-07-21 16:33:04,788 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:33:04,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 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 16:33:04,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:33:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:33:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:33:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:33:04,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2020-07-21 16:33:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:33:04,802 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:33:04,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:33:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:33:04,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:33:05,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:33:05,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:33:05,562 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 39 [2020-07-21 16:33:05,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:33:05,611 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~a16~0 |old(~a16~0)|) [2020-07-21 16:33:05,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:33:05,611 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-21 16:33:05,611 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-21 16:33:05,611 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,611 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,611 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,612 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,612 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,612 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,612 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-21 16:33:05,612 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-21 16:33:05,612 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 16:33:05,612 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-21 16:33:05,613 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 16:33:05,613 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 16:33:05,613 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 16:33:05,613 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-21 16:33:05,613 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-21 16:33:05,613 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-21 16:33:05,614 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,614 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,615 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,615 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,615 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,615 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,615 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-21 16:33:05,615 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-21 16:33:05,615 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 16:33:05,616 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 16:33:05,616 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 16:33:05,616 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 16:33:05,616 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 16:33:05,616 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 16:33:05,616 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-21 16:33:05,616 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-21 16:33:05,616 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-21 16:33:05,617 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2020-07-21 16:33:05,617 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-21 16:33:05,617 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-21 16:33:05,617 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-21 16:33:05,617 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-21 16:33:05,617 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,617 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,618 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,618 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,618 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,618 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-21 16:33:05,618 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-21 16:33:05,619 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 16:33:05,619 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-21 16:33:05,619 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-21 16:33:05,619 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 16:33:05,619 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 16:33:05,620 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 16:33:05,620 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-21 16:33:05,620 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,620 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,621 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,621 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,621 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,622 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-21 16:33:05,622 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 16:33:05,623 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-21 16:33:05,623 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 16:33:05,623 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-21 16:33:05,623 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 16:33:05,623 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-21 16:33:05,623 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-21 16:33:05,623 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-21 16:33:05,624 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-21 16:33:05,624 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-21 16:33:05,624 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-21 16:33:05,624 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-21 16:33:05,624 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,624 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,624 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,624 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,627 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,627 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-21 16:33:05,627 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-21 16:33:05,627 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-21 16:33:05,628 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 16:33:05,628 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-21 16:33:05,628 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 16:33:05,628 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 16:33:05,628 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-21 16:33:05,628 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-21 16:33:05,628 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,628 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,629 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,629 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,629 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,629 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,629 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-21 16:33:05,629 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,629 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-21 16:33:05,630 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-21 16:33:05,630 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-21 16:33:05,630 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-21 16:33:05,630 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 16:33:05,630 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 16:33:05,630 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-21 16:33:05,630 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-21 16:33:05,630 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-21 16:33:05,631 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-21 16:33:05,634 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-21 16:33:05,634 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-21 16:33:05,634 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-21 16:33:05,634 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,634 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,634 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,634 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,635 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,635 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-21 16:33:05,636 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-21 16:33:05,636 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 16:33:05,636 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 16:33:05,636 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 16:33:05,636 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 16:33:05,636 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-21 16:33:05,637 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-21 16:33:05,637 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,637 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,637 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,638 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,638 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,638 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-21 16:33:05,638 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-21 16:33:05,638 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-21 16:33:05,638 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-21 16:33:05,638 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-21 16:33:05,638 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 16:33:05,639 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 16:33:05,639 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 16:33:05,639 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 16:33:05,639 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-21 16:33:05,639 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (<= 15 |old(~a8~0)|))) (.cse4 (<= ~a16~0 |old(~a16~0)|)) (.cse3 (not (<= |old(~a17~0)| 0))) (.cse5 (not (<= |old(~a8~0)| 13))) (.cse1 (not (<= |old(~a20~0)| 0))) (.cse6 (not (<= |old(~a16~0)| 4))) (.cse2 (<= ~a20~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse0 (and .cse4 (<= 15 ~a8~0))) (or .cse5 (and .cse4 (<= ~a8~0 13))) (or .cse4 .cse6) (or (and .cse4 (<= ~a17~0 0)) .cse3) (or .cse5 .cse1 .cse6 .cse2))) [2020-07-21 16:33:05,639 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-21 16:33:05,639 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-21 16:33:05,640 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-21 16:33:05,641 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-21 16:33:05,641 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 16:33:05,641 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 16:33:05,641 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-21 16:33:05,641 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 16:33:05,641 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-21 16:33:05,641 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-21 16:33:05,641 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,642 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-21 16:33:05,643 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-21 16:33:05,644 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-21 16:33:05,644 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-21 16:33:05,644 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-21 16:33:05,644 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-21 16:33:05,644 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,644 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,644 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,645 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,645 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,645 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 16:33:05,645 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-21 16:33:05,645 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-21 16:33:05,645 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-21 16:33:05,645 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 16:33:05,645 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 16:33:05,646 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 16:33:05,646 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 16:33:05,646 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-21 16:33:05,646 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-21 16:33:05,646 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-21 16:33:05,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:33:05,646 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 15 ~a8~0)) [2020-07-21 16:33:05,647 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:33:05,647 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:33:05,647 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (and (<= ~a16~0 |old(~a16~0)|) (<= 15 ~a8~0))) [2020-07-21 16:33:05,647 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-21 16:33:05,647 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 4)) [2020-07-21 16:33:05,647 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-21 16:33:05,647 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 16:33:05,648 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 4)) [2020-07-21 16:33:05,648 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-21 16:33:05,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:33:05 BoogieIcfgContainer [2020-07-21 16:33:05,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:33:05,669 INFO L168 Benchmark]: Toolchain (without parser) took 10550.70 ms. Allocated memory was 137.9 MB in the beginning and 388.5 MB in the end (delta: 250.6 MB). Free memory was 100.3 MB in the beginning and 226.6 MB in the end (delta: -126.3 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. [2020-07-21 16:33:05,670 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 16:33:05,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.53 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 99.9 MB in the beginning and 171.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-21 16:33:05,672 INFO L168 Benchmark]: Boogie Preprocessor took 148.11 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 165.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-21 16:33:05,676 INFO L168 Benchmark]: RCFGBuilder took 1186.78 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.9 MB in the beginning and 180.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:33:05,677 INFO L168 Benchmark]: TraceAbstraction took 8410.89 ms. Allocated memory was 236.5 MB in the beginning and 388.5 MB in the end (delta: 152.0 MB). Free memory was 180.4 MB in the beginning and 226.6 MB in the end (delta: -46.2 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:33:05,688 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.53 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 99.9 MB in the beginning and 171.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.11 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 165.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1186.78 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.9 MB in the beginning and 180.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8410.89 ms. Allocated memory was 236.5 MB in the beginning and 388.5 MB in the end (delta: 152.0 MB). Free memory was 180.4 MB in the beginning and 226.6 MB in the end (delta: -46.2 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: ((((a8 <= 13 || !(15 <= \old(a8))) || a17 <= 0) || 15 <= a8) || !(\old(a16) <= 5)) || a16 <= 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.6s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 741 SDtfs, 567 SDslu, 114 SDs, 0 SdLazy, 2641 SolverSat, 523 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1100 GetRequests, 1086 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2484occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 386 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 70 PreInvPairs, 114 NumberOfFragments, 154 HoareAnnotationTreeSize, 70 FomulaSimplifications, 1858 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 564 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 904 NumberOfCodeBlocks, 904 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1093 ConstructedInterpolants, 0 QuantifiedInterpolants, 442275 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2364 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 315/319 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...