java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:57:53,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:57:53,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:57:53,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:57:53,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:57:53,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:57:53,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:57:53,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:57:53,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:57:53,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:57:53,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:57:53,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:57:53,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:57:53,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:57:53,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:57:53,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:57:53,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:57:53,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:57:53,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:57:53,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:57:53,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:57:53,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:57:53,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:57:53,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:57:53,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 17:57:53,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 17:57:53,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 17:57:53,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 17:57:53,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 17:57:53,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 17:57:53,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:57:53,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:57:53,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:57:53,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:57:53,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:57:53,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:57:53,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:57:53,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:57:53,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:57:53,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:57:53,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:57:53,256 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 [2019-10-13 17:57:53,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:57:53,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:57:53,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:57:53,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:57:53,279 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:57:53,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:57:53,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:57:53,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:57:53,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:57:53,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:57:53,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:57:53,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:57:53,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:57:53,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:57:53,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:57:53,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:57:53,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:57:53,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:57:53,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:57:53,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:57:53,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:57:53,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:57:53,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:57:53,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:57:53,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:57:53,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:57:53,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:57:53,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:57:53,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:57:53,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:57:53,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:57:53,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:57:53,647 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:57:53,647 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:57:53,648 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18.c [2019-10-13 17:57:53,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a701db3d/14a176bf3b5f458890766aefaf1dc8c0/FLAG78392448a [2019-10-13 17:57:54,368 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:57:54,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label18.c [2019-10-13 17:57:54,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a701db3d/14a176bf3b5f458890766aefaf1dc8c0/FLAG78392448a [2019-10-13 17:57:54,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a701db3d/14a176bf3b5f458890766aefaf1dc8c0 [2019-10-13 17:57:54,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:57:54,672 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:57:54,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:57:54,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:57:54,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:57:54,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:57:54" (1/1) ... [2019-10-13 17:57:54,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7757f965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:54, skipping insertion in model container [2019-10-13 17:57:54,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:57:54" (1/1) ... [2019-10-13 17:57:54,689 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:57:54,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:57:55,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:57:55,302 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:57:55,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:57:55,440 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:57:55,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55 WrapperNode [2019-10-13 17:57:55,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:57:55,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:57:55,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:57:55,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:57:55,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (1/1) ... [2019-10-13 17:57:55,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (1/1) ... [2019-10-13 17:57:55,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (1/1) ... [2019-10-13 17:57:55,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (1/1) ... [2019-10-13 17:57:55,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (1/1) ... [2019-10-13 17:57:55,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (1/1) ... [2019-10-13 17:57:55,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (1/1) ... [2019-10-13 17:57:55,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:57:55,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:57:55,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:57:55,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:57:55,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (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 [2019-10-13 17:57:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:57:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:57:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:57:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:57:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:57:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:57:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:57:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:57:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:57:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:57:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:57:57,025 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:57:57,030 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:57:57,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:57:57 BoogieIcfgContainer [2019-10-13 17:57:57,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:57:57,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:57:57,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:57:57,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:57:57,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:57:54" (1/3) ... [2019-10-13 17:57:57,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e508e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:57:57, skipping insertion in model container [2019-10-13 17:57:57,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:55" (2/3) ... [2019-10-13 17:57:57,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e508e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:57:57, skipping insertion in model container [2019-10-13 17:57:57,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:57:57" (3/3) ... [2019-10-13 17:57:57,054 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label18.c [2019-10-13 17:57:57,066 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:57:57,077 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:57:57,091 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:57:57,122 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:57:57,122 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:57:57,123 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:57:57,123 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:57:57,123 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:57:57,124 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:57:57,124 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:57:57,125 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:57:57,160 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-13 17:57:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 17:57:57,175 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:57,176 INFO L380 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] [2019-10-13 17:57:57,180 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:57,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1635976175, now seen corresponding path program 1 times [2019-10-13 17:57:57,194 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:57,195 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229893026] [2019-10-13 17:57:57,195 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:57,195 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:57,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:57,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229893026] [2019-10-13 17:57:57,590 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:57:57,590 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:57:57,590 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65123717] [2019-10-13 17:57:57,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:57:57,596 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:57,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:57:57,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:57:57,614 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-13 17:57:59,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:59,893 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2019-10-13 17:57:59,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:57:59,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-13 17:57:59,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:59,927 INFO L225 Difference]: With dead ends: 730 [2019-10-13 17:57:59,927 INFO L226 Difference]: Without dead ends: 447 [2019-10-13 17:57:59,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:59,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-13 17:58:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-10-13 17:58:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-13 17:58:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 610 transitions. [2019-10-13 17:58:00,061 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 610 transitions. Word has length 64 [2019-10-13 17:58:00,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:00,063 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 610 transitions. [2019-10-13 17:58:00,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:58:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 610 transitions. [2019-10-13 17:58:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-13 17:58:00,081 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:00,082 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 17:58:00,082 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:00,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:00,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1834803011, now seen corresponding path program 1 times [2019-10-13 17:58:00,083 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:00,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140045305] [2019-10-13 17:58:00,084 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:00,098 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:00,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:00,470 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 17:58:00,470 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140045305] [2019-10-13 17:58:00,471 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878274140] [2019-10-13 17:58:00,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:00,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:00,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:00,640 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:00,641 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-10-13 17:58:00,641 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316386911] [2019-10-13 17:58:00,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:58:00,643 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:00,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:58:00,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:58:00,644 INFO L87 Difference]: Start difference. First operand 443 states and 610 transitions. Second operand 3 states. [2019-10-13 17:58:01,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:01,328 INFO L93 Difference]: Finished difference Result 880 states and 1232 transitions. [2019-10-13 17:58:01,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:58:01,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-10-13 17:58:01,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:01,337 INFO L225 Difference]: With dead ends: 880 [2019-10-13 17:58:01,337 INFO L226 Difference]: Without dead ends: 878 [2019-10-13 17:58:01,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:58:01,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-10-13 17:58:01,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 733. [2019-10-13 17:58:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-10-13 17:58:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1056 transitions. [2019-10-13 17:58:01,379 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1056 transitions. Word has length 151 [2019-10-13 17:58:01,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:01,380 INFO L462 AbstractCegarLoop]: Abstraction has 733 states and 1056 transitions. [2019-10-13 17:58:01,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:58:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1056 transitions. [2019-10-13 17:58:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-13 17:58:01,386 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:01,387 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:01,592 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:01,593 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:01,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:01,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1807414088, now seen corresponding path program 1 times [2019-10-13 17:58:01,595 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:01,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750700620] [2019-10-13 17:58:01,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:01,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:01,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-13 17:58:01,875 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750700620] [2019-10-13 17:58:01,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625085968] [2019-10-13 17:58:01,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:01,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:02,048 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-13 17:58:02,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:02,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:58:02,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756146030] [2019-10-13 17:58:02,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:58:02,051 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:02,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:58:02,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:02,052 INFO L87 Difference]: Start difference. First operand 733 states and 1056 transitions. Second operand 3 states. [2019-10-13 17:58:02,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:02,705 INFO L93 Difference]: Finished difference Result 1170 states and 1687 transitions. [2019-10-13 17:58:02,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:58:02,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-10-13 17:58:02,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:02,719 INFO L225 Difference]: With dead ends: 1170 [2019-10-13 17:58:02,719 INFO L226 Difference]: Without dead ends: 1168 [2019-10-13 17:58:02,720 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2019-10-13 17:58:02,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 880. [2019-10-13 17:58:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2019-10-13 17:58:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1293 transitions. [2019-10-13 17:58:02,759 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1293 transitions. Word has length 241 [2019-10-13 17:58:02,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:02,760 INFO L462 AbstractCegarLoop]: Abstraction has 880 states and 1293 transitions. [2019-10-13 17:58:02,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:58:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1293 transitions. [2019-10-13 17:58:02,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-10-13 17:58:02,765 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:02,766 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 17:58:02,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:02,971 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:02,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:02,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1852206002, now seen corresponding path program 1 times [2019-10-13 17:58:02,972 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:02,973 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839376435] [2019-10-13 17:58:02,973 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:02,973 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:02,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:58:03,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839376435] [2019-10-13 17:58:03,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225958445] [2019-10-13 17:58:03,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:03,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:03,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:03,852 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:03,852 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:58:03,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989566752] [2019-10-13 17:58:03,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:03,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:03,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:03,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:03,858 INFO L87 Difference]: Start difference. First operand 880 states and 1293 transitions. Second operand 11 states. [2019-10-13 17:58:07,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:07,056 INFO L93 Difference]: Finished difference Result 2533 states and 3837 transitions. [2019-10-13 17:58:07,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 17:58:07,057 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 259 [2019-10-13 17:58:07,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:07,070 INFO L225 Difference]: With dead ends: 2533 [2019-10-13 17:58:07,070 INFO L226 Difference]: Without dead ends: 1659 [2019-10-13 17:58:07,074 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2019-10-13 17:58:07,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2019-10-13 17:58:07,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1045. [2019-10-13 17:58:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2019-10-13 17:58:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1287 transitions. [2019-10-13 17:58:07,151 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1287 transitions. Word has length 259 [2019-10-13 17:58:07,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:07,152 INFO L462 AbstractCegarLoop]: Abstraction has 1045 states and 1287 transitions. [2019-10-13 17:58:07,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1287 transitions. [2019-10-13 17:58:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-10-13 17:58:07,157 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:07,158 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:07,362 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:07,362 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:07,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1547701939, now seen corresponding path program 1 times [2019-10-13 17:58:07,364 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:07,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423394208] [2019-10-13 17:58:07,365 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:07,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:07,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:58:07,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423394208] [2019-10-13 17:58:07,669 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979736933] [2019-10-13 17:58:07,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:07,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:07,887 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:07,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:58:07,888 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829360507] [2019-10-13 17:58:07,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:07,890 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:07,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:07,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:07,891 INFO L87 Difference]: Start difference. First operand 1045 states and 1287 transitions. Second operand 11 states. [2019-10-13 17:58:10,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:10,926 INFO L93 Difference]: Finished difference Result 3541 states and 4822 transitions. [2019-10-13 17:58:10,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 17:58:10,929 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 268 [2019-10-13 17:58:10,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:10,944 INFO L225 Difference]: With dead ends: 3541 [2019-10-13 17:58:10,945 INFO L226 Difference]: Without dead ends: 1268 [2019-10-13 17:58:10,954 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-10-13 17:58:10,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2019-10-13 17:58:11,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1236. [2019-10-13 17:58:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1236 states. [2019-10-13 17:58:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1517 transitions. [2019-10-13 17:58:11,016 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1517 transitions. Word has length 268 [2019-10-13 17:58:11,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:11,017 INFO L462 AbstractCegarLoop]: Abstraction has 1236 states and 1517 transitions. [2019-10-13 17:58:11,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1517 transitions. [2019-10-13 17:58:11,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-10-13 17:58:11,026 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:11,034 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:11,247 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:11,247 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:11,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:11,248 INFO L82 PathProgramCache]: Analyzing trace with hash 588943035, now seen corresponding path program 1 times [2019-10-13 17:58:11,249 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:11,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891803589] [2019-10-13 17:58:11,249 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:11,249 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:11,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 223 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 17:58:11,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891803589] [2019-10-13 17:58:11,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133277551] [2019-10-13 17:58:11,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:11,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:11,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 227 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:11,925 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:11,925 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:58:11,925 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126002161] [2019-10-13 17:58:11,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:11,928 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:11,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:11,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:11,929 INFO L87 Difference]: Start difference. First operand 1236 states and 1517 transitions. Second operand 11 states. [2019-10-13 17:58:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:13,362 INFO L93 Difference]: Finished difference Result 2436 states and 2969 transitions. [2019-10-13 17:58:13,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:58:13,363 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 304 [2019-10-13 17:58:13,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:13,369 INFO L225 Difference]: With dead ends: 2436 [2019-10-13 17:58:13,369 INFO L226 Difference]: Without dead ends: 1226 [2019-10-13 17:58:13,373 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:58:13,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2019-10-13 17:58:13,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1196. [2019-10-13 17:58:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2019-10-13 17:58:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1398 transitions. [2019-10-13 17:58:13,407 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1398 transitions. Word has length 304 [2019-10-13 17:58:13,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:13,408 INFO L462 AbstractCegarLoop]: Abstraction has 1196 states and 1398 transitions. [2019-10-13 17:58:13,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1398 transitions. [2019-10-13 17:58:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-10-13 17:58:13,416 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:13,417 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:13,620 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:13,621 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:13,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:13,621 INFO L82 PathProgramCache]: Analyzing trace with hash -124458404, now seen corresponding path program 1 times [2019-10-13 17:58:13,621 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:13,621 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080543055] [2019-10-13 17:58:13,622 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:13,622 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:13,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 357 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-13 17:58:14,203 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080543055] [2019-10-13 17:58:14,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013828749] [2019-10-13 17:58:14,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:14,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:14,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:14,562 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-13 17:58:14,562 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:14,563 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-13 17:58:14,563 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975696141] [2019-10-13 17:58:14,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:58:14,565 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:14,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:58:14,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:58:14,565 INFO L87 Difference]: Start difference. First operand 1196 states and 1398 transitions. Second operand 9 states. [2019-10-13 17:58:16,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:16,110 INFO L93 Difference]: Finished difference Result 3334 states and 4180 transitions. [2019-10-13 17:58:16,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:58:16,111 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 376 [2019-10-13 17:58:16,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:16,122 INFO L225 Difference]: With dead ends: 3334 [2019-10-13 17:58:16,122 INFO L226 Difference]: Without dead ends: 2144 [2019-10-13 17:58:16,128 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 384 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:58:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2019-10-13 17:58:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2080. [2019-10-13 17:58:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2019-10-13 17:58:16,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2413 transitions. [2019-10-13 17:58:16,186 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2413 transitions. Word has length 376 [2019-10-13 17:58:16,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:16,187 INFO L462 AbstractCegarLoop]: Abstraction has 2080 states and 2413 transitions. [2019-10-13 17:58:16,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:58:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2413 transitions. [2019-10-13 17:58:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2019-10-13 17:58:16,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:16,194 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:16,406 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:16,407 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:16,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:16,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1067658955, now seen corresponding path program 1 times [2019-10-13 17:58:16,408 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:16,408 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036206922] [2019-10-13 17:58:16,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:16,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:16,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 174 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:58:16,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036206922] [2019-10-13 17:58:16,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112998672] [2019-10-13 17:58:16,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:16,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-13 17:58:16,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:16,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 17:58:16,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 17:58:17,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 17:58:17,499 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 33 proven. 144 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:58:17,500 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:17,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-10-13 17:58:17,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082383883] [2019-10-13 17:58:17,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:58:17,502 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:17,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:58:17,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:58:17,503 INFO L87 Difference]: Start difference. First operand 2080 states and 2413 transitions. Second operand 9 states. [2019-10-13 17:58:19,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:19,599 INFO L93 Difference]: Finished difference Result 5028 states and 6007 transitions. [2019-10-13 17:58:19,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 17:58:19,599 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 389 [2019-10-13 17:58:19,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:19,601 INFO L225 Difference]: With dead ends: 5028 [2019-10-13 17:58:19,601 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:58:19,611 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:58:19,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:58:19,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:58:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:58:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:58:19,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 389 [2019-10-13 17:58:19,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:19,612 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:58:19,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:58:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:58:19,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:58:19,817 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:19,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:58:20,219 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 143 [2019-10-13 17:58:20,412 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 143 [2019-10-13 17:58:21,092 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 56 [2019-10-13 17:58:21,386 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2019-10-13 17:58:21,651 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2019-10-13 17:58:21,654 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,655 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-13 17:58:21,656 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 17:58:21,657 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 17:58:21,658 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-13 17:58:21,658 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-13 17:58:21,658 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-13 17:58:21,658 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-13 17:58:21,658 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-13 17:58:21,658 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-13 17:58:21,658 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-13 17:58:21,658 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-13 17:58:21,659 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,659 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,659 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,659 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,659 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,659 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-13 17:58:21,659 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 17:58:21,660 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 17:58:21,660 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-13 17:58:21,660 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-13 17:58:21,660 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-13 17:58:21,660 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2019-10-13 17:58:21,660 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-13 17:58:21,660 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-13 17:58:21,661 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-13 17:58:21,661 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-13 17:58:21,661 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,661 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,661 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,661 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,661 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,661 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-13 17:58:21,662 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-13 17:58:21,662 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-13 17:58:21,662 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-13 17:58:21,662 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 17:58:21,662 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-13 17:58:21,662 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-13 17:58:21,662 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-13 17:58:21,663 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-13 17:58:21,663 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-13 17:58:21,663 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-13 17:58:21,663 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-13 17:58:21,663 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-13 17:58:21,663 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,663 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,663 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,664 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,664 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,664 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 17:58:21,664 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-13 17:58:21,664 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 17:58:21,664 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 17:58:21,664 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-13 17:58:21,664 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-13 17:58:21,665 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-13 17:58:21,665 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-13 17:58:21,665 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-13 17:58:21,665 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,665 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,665 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,665 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,665 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,666 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,666 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,666 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-13 17:58:21,666 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-13 17:58:21,666 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-13 17:58:21,666 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-13 17:58:21,666 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 17:58:21,666 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 17:58:21,667 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 17:58:21,667 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 17:58:21,667 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-13 17:58:21,667 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-13 17:58:21,667 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-13 17:58:21,667 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-13 17:58:21,667 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-13 17:58:21,668 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,668 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,668 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,668 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,668 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-13 17:58:21,668 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,668 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-13 17:58:21,669 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 17:58:21,670 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse5 (= ~a10~0 |old(~a10~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (= 4 |old(~a10~0)|)) (.cse4 (not (<= |old(~a19~0)| 8))) (.cse0 (and .cse7 .cse5 .cse6)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and .cse5 .cse6 .cse7)) (or (not (= 8 |old(~a19~0)|)) .cse0) (or .cse4 .cse2 .cse3 .cse0 (forall ((v_~a1~0_347 Int)) (or (not (< 38 v_~a1~0_347)) (not (<= 0 (* 10 v_~a1~0_347))) (not (<= (+ |old(~a1~0)| 333686) (* 5 (div (* v_~a1~0_347 10) (- 9)))))))) (or .cse0 .cse2 .cse3 (not (<= |old(~a19~0)| 9)) (not (<= 9 |old(~a19~0)|)))))) [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-13 17:58:21,671 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-13 17:58:21,672 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,673 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,674 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-13 17:58:21,674 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-13 17:58:21,674 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-13 17:58:21,674 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-13 17:58:21,674 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 17:58:21,674 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 17:58:21,674 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 17:58:21,674 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-13 17:58:21,675 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-13 17:58:21,675 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-13 17:58:21,675 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-13 17:58:21,675 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-13 17:58:21,675 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,675 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,675 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,675 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,676 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,676 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,676 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-13 17:58:21,676 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-13 17:58:21,676 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-13 17:58:21,676 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 17:58:21,676 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 17:58:21,676 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 17:58:21,677 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 17:58:21,677 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-13 17:58:21,677 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-13 17:58:21,677 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-13 17:58:21,677 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-13 17:58:21,677 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-13 17:58:21,677 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:58:21,678 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 218) (= 14 ~a4~0) (<= ~a19~0 9) (= ~a12~0 0) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-10-13 17:58:21,678 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:58:21,678 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:58:21,678 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (<= |old(~a1~0)| 218)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:58:21,678 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:58:21,678 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (not (= ~a10~0 4)) (and (<= ~a19~0 8) (exists ((v_~a1~0_347 Int)) (and (<= (+ ~a1~0 333686) (* 5 (div (* v_~a1~0_347 10) (- 9)))) (< 38 v_~a1~0_347) (<= 0 (* 10 v_~a1~0_347))))) (not (= 0 ~a12~0)) (not (<= |old(~a1~0)| 218)) (= ~a19~0 8) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (and (<= ~a19~0 9) (<= 9 ~a19~0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:58:21,679 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 17:58:21,679 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-13 17:58:21,679 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (= ~a10~0 4)) (and (<= ~a19~0 8) (exists ((v_~a1~0_347 Int)) (and (<= (+ ~a1~0 333686) (* 5 (div (* v_~a1~0_347 10) (- 9)))) (< 38 v_~a1~0_347) (<= 0 (* 10 v_~a1~0_347))))) (not (= 0 ~a12~0)) (not (<= |old(~a1~0)| 218)) (= ~a19~0 8) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (and (<= ~a19~0 9) (<= 9 ~a19~0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:58:21,679 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:58:21,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:58:21 BoogieIcfgContainer [2019-10-13 17:58:21,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:58:21,703 INFO L168 Benchmark]: Toolchain (without parser) took 27030.65 ms. Allocated memory was 142.1 MB in the beginning and 618.1 MB in the end (delta: 476.1 MB). Free memory was 104.1 MB in the beginning and 356.0 MB in the end (delta: -251.9 MB). Peak memory consumption was 451.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:21,704 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 142.1 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:58:21,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.18 ms. Allocated memory was 142.1 MB in the beginning and 205.5 MB in the end (delta: 63.4 MB). Free memory was 103.9 MB in the beginning and 171.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:21,705 INFO L168 Benchmark]: Boogie Preprocessor took 119.89 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 167.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:21,706 INFO L168 Benchmark]: RCFGBuilder took 1469.86 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 167.1 MB in the beginning and 173.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:21,707 INFO L168 Benchmark]: TraceAbstraction took 24666.91 ms. Allocated memory was 234.9 MB in the beginning and 618.1 MB in the end (delta: 383.3 MB). Free memory was 173.5 MB in the beginning and 356.0 MB in the end (delta: -182.6 MB). Peak memory consumption was 427.5 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:21,710 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 142.1 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 769.18 ms. Allocated memory was 142.1 MB in the beginning and 205.5 MB in the end (delta: 63.4 MB). Free memory was 103.9 MB in the beginning and 171.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.89 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 167.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1469.86 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 167.1 MB in the beginning and 173.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24666.91 ms. Allocated memory was 234.9 MB in the beginning and 618.1 MB in the end (delta: 383.3 MB). Free memory was 173.5 MB in the beginning and 356.0 MB in the end (delta: -182.6 MB). Peak memory consumption was 427.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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: 582]: Loop Invariant [2019-10-13 17:58:21,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:21,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] Derived loop invariant: ((((((((!(a10 == 4) || (a19 <= 8 && (\exists v_~a1~0_347 : int :: (a1 + 333686 <= 5 * (v_~a1~0_347 * 10 / -9) && 38 < v_~a1~0_347) && 0 <= 10 * v_~a1~0_347))) || !(0 == a12)) || !(\old(a1) <= 218)) || a19 == 8) || !(14 == a4)) || !(\old(a19) <= 9)) || !(\old(a10) <= 0)) || (a19 <= 9 && 9 <= a19)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 24.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 229 SDtfs, 4686 SDslu, 303 SDs, 0 SdLazy, 8916 SolverSat, 2267 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2146 GetRequests, 2046 SyntacticMatches, 5 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2080occurred in iteration=7, 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, 8 MinimizatonAttempts, 1177 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 187 NumberOfFragments, 344 HoareAnnotationTreeSize, 99 FomulaSimplifications, 99735 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5933 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 4040 NumberOfCodeBlocks, 4040 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4025 ConstructedInterpolants, 12 QuantifiedInterpolants, 3609882 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3245 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 3334/3500 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...