/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:41:19,156 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 01:41:19,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:41:19,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:41:19,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:41:19,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:41:19,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:41:19,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:41:19,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:41:19,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:41:19,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:41:19,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:41:19,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:41:19,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:41:19,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:41:19,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:41:19,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:41:19,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:41:19,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:41:19,222 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:41:19,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:41:19,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:41:19,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:41:19,224 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:41:19,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:41:19,225 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:41:19,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:41:19,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:41:19,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:41:19,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:41:19,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:41:19,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:41:19,226 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:41:19,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:41:19,226 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:41:19,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:41:19,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:41:19,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:41:19,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:41:19,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:41:19,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:41:19,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:41:19,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:41:19,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:41:19,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:41:19,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:41:19,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:41:19,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:41:19,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:41:19,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:41:19,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:41:19,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:41:19,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:41:19,543 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:41:19,544 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-20 01:41:19,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b7532e8/ad586c9dd6a04e97b3315c13b0ce6ff4/FLAGd749427fb [2020-07-20 01:41:20,345 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:41:20,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-20 01:41:20,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b7532e8/ad586c9dd6a04e97b3315c13b0ce6ff4/FLAGd749427fb [2020-07-20 01:41:20,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b7532e8/ad586c9dd6a04e97b3315c13b0ce6ff4 [2020-07-20 01:41:20,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:41:20,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:41:20,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:41:20,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:41:20,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:41:20,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:41:20" (1/1) ... [2020-07-20 01:41:20,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fa76cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:20, skipping insertion in model container [2020-07-20 01:41:20,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:41:20" (1/1) ... [2020-07-20 01:41:20,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:41:20,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:41:21,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:41:21,215 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:41:21,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:41:21,586 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:41:21,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21 WrapperNode [2020-07-20 01:41:21,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:41:21,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:41:21,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:41:21,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:41:21,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (1/1) ... [2020-07-20 01:41:21,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (1/1) ... [2020-07-20 01:41:21,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (1/1) ... [2020-07-20 01:41:21,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (1/1) ... [2020-07-20 01:41:21,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (1/1) ... [2020-07-20 01:41:21,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (1/1) ... [2020-07-20 01:41:21,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (1/1) ... [2020-07-20 01:41:21,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:41:21,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:41:21,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:41:21,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:41:21,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:41:21,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:41:21,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:41:21,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:41:21,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:41:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:41:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:41:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:41:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:41:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:41:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:41:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:41:23,759 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:41:23,759 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:41:23,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:41:23 BoogieIcfgContainer [2020-07-20 01:41:23,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:41:23,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:41:23,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:41:23,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:41:23,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:41:20" (1/3) ... [2020-07-20 01:41:23,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4904e94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:41:23, skipping insertion in model container [2020-07-20 01:41:23,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:41:21" (2/3) ... [2020-07-20 01:41:23,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4904e94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:41:23, skipping insertion in model container [2020-07-20 01:41:23,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:41:23" (3/3) ... [2020-07-20 01:41:23,776 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-07-20 01:41:23,789 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:41:23,797 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:41:23,813 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:41:23,843 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:41:23,844 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:41:23,844 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:41:23,844 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:41:23,844 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:41:23,844 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:41:23,845 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:41:23,845 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:41:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-07-20 01:41:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 01:41:23,881 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:41:23,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:41:23,884 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:41:23,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:41:23,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1626993173, now seen corresponding path program 1 times [2020-07-20 01:41:23,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:41:23,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771001331] [2020-07-20 01:41:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10073859 [2020-07-20 01:41:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:41:24,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771001331] [2020-07-20 01:41:24,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:41:24,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 01:41:24,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987011895] [2020-07-20 01:41:24,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:41:24,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:41:24,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:41:24,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:41:24,382 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-07-20 01:41:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:41:26,885 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-07-20 01:41:26,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:41:26,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-07-20 01:41:26,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:41:26,907 INFO L225 Difference]: With dead ends: 791 [2020-07-20 01:41:26,908 INFO L226 Difference]: Without dead ends: 434 [2020-07-20 01:41:26,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:41:26,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-20 01:41:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-07-20 01:41:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-07-20 01:41:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-07-20 01:41:27,013 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 40 [2020-07-20 01:41:27,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:41:27,013 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-07-20 01:41:27,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:41:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-07-20 01:41:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 01:41:27,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:41:27,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:41:27,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:41:27,021 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:41:27,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:41:27,022 INFO L82 PathProgramCache]: Analyzing trace with hash -798212694, now seen corresponding path program 1 times [2020-07-20 01:41:27,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:41:27,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658963444] [2020-07-20 01:41:27,022 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10073859 [2020-07-20 01:41:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:41:27,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658963444] [2020-07-20 01:41:27,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:41:27,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:41:27,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821965271] [2020-07-20 01:41:27,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:41:27,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:41:27,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:41:27,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:41:27,359 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 8 states. [2020-07-20 01:41:30,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:41:30,904 INFO L93 Difference]: Finished difference Result 1664 states and 2471 transitions. [2020-07-20 01:41:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:41:30,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2020-07-20 01:41:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:41:30,916 INFO L225 Difference]: With dead ends: 1664 [2020-07-20 01:41:30,916 INFO L226 Difference]: Without dead ends: 1240 [2020-07-20 01:41:30,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:41:30,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2020-07-20 01:41:30,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1208. [2020-07-20 01:41:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-07-20 01:41:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1688 transitions. [2020-07-20 01:41:31,004 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1688 transitions. Word has length 112 [2020-07-20 01:41:31,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:41:31,005 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1688 transitions. [2020-07-20 01:41:31,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:41:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1688 transitions. [2020-07-20 01:41:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 01:41:31,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:41:31,011 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:41:31,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:41:31,012 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:41:31,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:41:31,012 INFO L82 PathProgramCache]: Analyzing trace with hash 559014170, now seen corresponding path program 1 times [2020-07-20 01:41:31,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:41:31,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866561864] [2020-07-20 01:41:31,013 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10073859 [2020-07-20 01:41:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:41:31,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866561864] [2020-07-20 01:41:31,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:41:31,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:41:31,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629342585] [2020-07-20 01:41:31,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:41:31,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:41:31,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:41:31,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:41:31,263 INFO L87 Difference]: Start difference. First operand 1208 states and 1688 transitions. Second operand 7 states. [2020-07-20 01:41:34,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:41:34,235 INFO L93 Difference]: Finished difference Result 3630 states and 5216 transitions. [2020-07-20 01:41:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 01:41:34,237 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2020-07-20 01:41:34,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:41:34,258 INFO L225 Difference]: With dead ends: 3630 [2020-07-20 01:41:34,268 INFO L226 Difference]: Without dead ends: 2428 [2020-07-20 01:41:34,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:41:34,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2020-07-20 01:41:34,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2403. [2020-07-20 01:41:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2403 states. [2020-07-20 01:41:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2403 states and 3175 transitions. [2020-07-20 01:41:34,387 INFO L78 Accepts]: Start accepts. Automaton has 2403 states and 3175 transitions. Word has length 120 [2020-07-20 01:41:34,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:41:34,389 INFO L479 AbstractCegarLoop]: Abstraction has 2403 states and 3175 transitions. [2020-07-20 01:41:34,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:41:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 3175 transitions. [2020-07-20 01:41:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-20 01:41:34,404 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:41:34,404 INFO L422 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, 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] [2020-07-20 01:41:34,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:41:34,405 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:41:34,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:41:34,405 INFO L82 PathProgramCache]: Analyzing trace with hash 384966816, now seen corresponding path program 1 times [2020-07-20 01:41:34,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:41:34,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111651330] [2020-07-20 01:41:34,406 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10073859 [2020-07-20 01:41:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 66 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:41:34,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111651330] [2020-07-20 01:41:34,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666220484] [2020-07-20 01:41:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7af81f39 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:41:35,009 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7af81f39 issued 4 check-sat command(s) [2020-07-20 01:41:35,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:41:35,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:41:35,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:41:35,101 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:41:35,105 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:41:35,110 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:41:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-20 01:41:35,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:41:35,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-07-20 01:41:35,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436819229] [2020-07-20 01:41:35,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:41:35,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:41:35,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:41:35,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:41:35,192 INFO L87 Difference]: Start difference. First operand 2403 states and 3175 transitions. Second operand 5 states. [2020-07-20 01:41:37,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:41:37,062 INFO L93 Difference]: Finished difference Result 4874 states and 6516 transitions. [2020-07-20 01:41:37,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:41:37,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2020-07-20 01:41:37,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:41:37,081 INFO L225 Difference]: With dead ends: 4874 [2020-07-20 01:41:37,081 INFO L226 Difference]: Without dead ends: 2665 [2020-07-20 01:41:37,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:41:37,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2665 states. [2020-07-20 01:41:37,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2665 to 2615. [2020-07-20 01:41:37,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2615 states. [2020-07-20 01:41:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 3410 transitions. [2020-07-20 01:41:37,176 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 3410 transitions. Word has length 183 [2020-07-20 01:41:37,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:41:37,179 INFO L479 AbstractCegarLoop]: Abstraction has 2615 states and 3410 transitions. [2020-07-20 01:41:37,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:41:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3410 transitions. [2020-07-20 01:41:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-07-20 01:41:37,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:41:37,184 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:41:37,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:41:37,399 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:41:37,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:41:37,399 INFO L82 PathProgramCache]: Analyzing trace with hash 240062387, now seen corresponding path program 1 times [2020-07-20 01:41:37,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:41:37,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261941273] [2020-07-20 01:41:37,400 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10073859 [2020-07-20 01:41:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-20 01:41:37,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261941273] [2020-07-20 01:41:37,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340529057] [2020-07-20 01:41:37,720 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f49a0a3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:41:38,039 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f49a0a3 issued 4 check-sat command(s) [2020-07-20 01:41:38,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:41:38,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:41:38,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:41:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-20 01:41:38,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:41:38,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 01:41:38,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055524527] [2020-07-20 01:41:38,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:41:38,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:41:38,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:41:38,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:41:38,132 INFO L87 Difference]: Start difference. First operand 2615 states and 3410 transitions. Second operand 3 states. [2020-07-20 01:41:39,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:41:39,340 INFO L93 Difference]: Finished difference Result 6569 states and 8906 transitions. [2020-07-20 01:41:39,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:41:39,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2020-07-20 01:41:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:41:39,372 INFO L225 Difference]: With dead ends: 6569 [2020-07-20 01:41:39,372 INFO L226 Difference]: Without dead ends: 4148 [2020-07-20 01:41:39,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:41:39,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2020-07-20 01:41:39,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 4146. [2020-07-20 01:41:39,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4146 states. [2020-07-20 01:41:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 5519 transitions. [2020-07-20 01:41:39,562 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 5519 transitions. Word has length 236 [2020-07-20 01:41:39,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:41:39,564 INFO L479 AbstractCegarLoop]: Abstraction has 4146 states and 5519 transitions. [2020-07-20 01:41:39,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:41:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 5519 transitions. [2020-07-20 01:41:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-07-20 01:41:39,576 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:41:39,576 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:41:39,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:41:39,787 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:41:39,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:41:39,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1219984608, now seen corresponding path program 1 times [2020-07-20 01:41:39,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:41:39,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880309138] [2020-07-20 01:41:39,789 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10073859 [2020-07-20 01:41:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-20 01:41:40,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880309138] [2020-07-20 01:41:40,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957810429] [2020-07-20 01:41:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3684443a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:41:40,529 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3684443a issued 4 check-sat command(s) [2020-07-20 01:41:40,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:41:40,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 01:41:40,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:41:40,569 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:41:40,571 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:41:40,572 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:41:40,577 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 01:41:40,578 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:41:40,579 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:41:40,581 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:41:40,583 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:41:41,307 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 18 [2020-07-20 01:41:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-20 01:41:41,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:41:41,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 01:41:41,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129800328] [2020-07-20 01:41:41,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:41:41,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:41:41,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:41:41,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:41:41,581 INFO L87 Difference]: Start difference. First operand 4146 states and 5519 transitions. Second operand 3 states. [2020-07-20 01:41:51,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:41:51,011 INFO L93 Difference]: Finished difference Result 9442 states and 13172 transitions. [2020-07-20 01:41:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:41:51,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2020-07-20 01:41:51,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:41:51,047 INFO L225 Difference]: With dead ends: 9442 [2020-07-20 01:41:51,048 INFO L226 Difference]: Without dead ends: 5490 [2020-07-20 01:41:51,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:41:51,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5490 states. [2020-07-20 01:41:51,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5490 to 5488. [2020-07-20 01:41:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5488 states. [2020-07-20 01:41:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 5488 states and 7310 transitions. [2020-07-20 01:41:51,258 INFO L78 Accepts]: Start accepts. Automaton has 5488 states and 7310 transitions. Word has length 267 [2020-07-20 01:41:51,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:41:51,260 INFO L479 AbstractCegarLoop]: Abstraction has 5488 states and 7310 transitions. [2020-07-20 01:41:51,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:41:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5488 states and 7310 transitions. [2020-07-20 01:41:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-07-20 01:41:51,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:41:51,271 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:41:51,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:41:51,477 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:41:51,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:41:51,478 INFO L82 PathProgramCache]: Analyzing trace with hash 630561712, now seen corresponding path program 1 times [2020-07-20 01:41:51,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:41:51,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527537926] [2020-07-20 01:41:51,479 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10073859 [2020-07-20 01:41:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:41:51,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527537926] [2020-07-20 01:41:51,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963527497] [2020-07-20 01:41:51,904 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@211da3e5 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 [2020-07-20 01:41:52,137 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@211da3e5 issued 4 check-sat command(s) [2020-07-20 01:41:52,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:41:52,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:41:52,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:41:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 137 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 01:41:52,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:41:52,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-20 01:41:52,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263882781] [2020-07-20 01:41:52,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:41:52,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:41:52,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:41:52,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:41:52,308 INFO L87 Difference]: Start difference. First operand 5488 states and 7310 transitions. Second operand 9 states. [2020-07-20 01:41:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:41:58,270 INFO L93 Difference]: Finished difference Result 14127 states and 21876 transitions. [2020-07-20 01:41:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-20 01:41:58,271 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 278 [2020-07-20 01:41:58,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:41:58,353 INFO L225 Difference]: With dead ends: 14127 [2020-07-20 01:41:58,353 INFO L226 Difference]: Without dead ends: 8833 [2020-07-20 01:41:58,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=627, Unknown=0, NotChecked=0, Total=812 [2020-07-20 01:41:58,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8833 states. [2020-07-20 01:41:58,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8833 to 8464. [2020-07-20 01:41:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8464 states. [2020-07-20 01:41:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8464 states to 8464 states and 11929 transitions. [2020-07-20 01:41:58,766 INFO L78 Accepts]: Start accepts. Automaton has 8464 states and 11929 transitions. Word has length 278 [2020-07-20 01:41:58,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:41:58,767 INFO L479 AbstractCegarLoop]: Abstraction has 8464 states and 11929 transitions. [2020-07-20 01:41:58,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:41:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8464 states and 11929 transitions. [2020-07-20 01:41:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-07-20 01:41:58,789 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:41:58,789 INFO L422 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:41:59,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:41:59,006 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:41:59,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:41:59,006 INFO L82 PathProgramCache]: Analyzing trace with hash -844079456, now seen corresponding path program 1 times [2020-07-20 01:41:59,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:41:59,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055607954] [2020-07-20 01:41:59,008 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10073859 [2020-07-20 01:41:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:41:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-20 01:41:59,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055607954] [2020-07-20 01:41:59,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605667131] [2020-07-20 01:41:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@ef40e02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:41:59,847 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@ef40e02 issued 4 check-sat command(s) [2020-07-20 01:41:59,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:41:59,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:41:59,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:41:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 01:41:59,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:41:59,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-20 01:41:59,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223650667] [2020-07-20 01:41:59,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:41:59,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:41:59,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:41:59,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:41:59,968 INFO L87 Difference]: Start difference. First operand 8464 states and 11929 transitions. Second operand 8 states. [2020-07-20 01:42:02,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:02,383 INFO L93 Difference]: Finished difference Result 16425 states and 23880 transitions. [2020-07-20 01:42:02,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:42:02,384 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 336 [2020-07-20 01:42:02,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:02,384 INFO L225 Difference]: With dead ends: 16425 [2020-07-20 01:42:02,385 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:42:02,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:42:02,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:42:02,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:42:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:42:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:42:02,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2020-07-20 01:42:02,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:02,434 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:42:02,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:42:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:42:02,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:42:02,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:02,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:42:31,318 WARN L193 SmtUtils]: Spent 28.06 s on a formula simplification. DAG size of input: 169 DAG size of output: 51 [2020-07-20 01:42:31,481 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-07-20 01:42:31,775 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-07-20 01:42:31,780 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:42:31,781 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputA~0 |old(~inputA~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-07-20 01:42:31,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:42:31,781 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-07-20 01:42:31,781 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-20 01:42:31,781 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-07-20 01:42:31,781 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,782 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,782 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,782 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,782 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,782 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,783 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,783 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-20 01:42:31,783 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-20 01:42:31,783 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-07-20 01:42:31,783 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,783 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,784 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,784 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,784 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,784 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,784 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,784 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,784 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,784 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-20 01:42:31,785 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-07-20 01:42:31,785 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-07-20 01:42:31,785 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,785 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,785 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,785 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,785 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,785 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-20 01:42:31,786 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,787 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,788 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,789 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,789 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-20 01:42:31,789 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-07-20 01:42:31,789 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-07-20 01:42:31,789 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,789 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,789 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,789 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,790 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,791 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-07-20 01:42:31,792 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,793 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,794 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse1 (= ~a23~0 |old(~a23~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|))) (let ((.cse3 (and .cse0 .cse1 (= 1 ~a4~0) .cse2)) (.cse4 (not (= 1 |old(~a4~0)|)))) (and (or (and .cse0 .cse1 (= ~a4~0 |old(~a4~0)|) .cse2) (not (<= |old(~a4~0)| 0))) (or (= 13 |old(~a25~0)|) .cse3 .cse4) (or (forall ((v_~a23~0_479 Int)) (let ((.cse5 (mod (* (div v_~a23~0_479 5) 4) 83))) (or (not (<= (+ .cse5 180) |old(~a23~0)|)) (not (= 0 .cse5)) (not (< 306 v_~a23~0_479)) (not (<= 0 v_~a23~0_479))))) .cse3 .cse4) (or .cse3 (not (<= |old(~a29~0)| 245)) .cse4)))) [2020-07-20 01:42:31,794 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,794 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 01:42:31,794 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-20 01:42:31,794 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-07-20 01:42:31,794 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,794 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,795 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-20 01:42:31,796 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-07-20 01:42:31,797 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,797 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,797 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,797 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,797 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,797 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,797 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,797 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,798 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,798 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,798 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,798 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-20 01:42:31,798 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-07-20 01:42:31,798 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-20 01:42:31,798 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-20 01:42:31,798 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-07-20 01:42:31,799 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,799 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,799 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,799 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,799 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,799 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,799 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,799 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-20 01:42:31,800 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-20 01:42:31,800 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-20 01:42:31,800 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,800 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,800 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,800 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-07-20 01:42:31,800 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-07-20 01:42:31,800 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-07-20 01:42:31,801 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,802 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,803 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,804 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-07-20 01:42:31,805 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-20 01:42:31,806 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,807 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,807 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,807 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,807 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,807 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,807 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,807 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,807 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,808 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,808 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-20 01:42:31,808 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-20 01:42:31,808 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-20 01:42:31,808 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,808 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-07-20 01:42:31,808 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-07-20 01:42:31,808 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-07-20 01:42:31,809 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,810 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,810 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,810 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,810 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-07-20 01:42:31,810 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-07-20 01:42:31,810 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,810 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,811 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-07-20 01:42:31,811 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,811 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,811 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 01:42:31,811 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:42:31,811 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= ~a29~0 130) (<= 312 ~a23~0) (= 1 ~a4~0)) [2020-07-20 01:42:31,811 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:42:31,811 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:42:31,812 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a25~0)| 10)) (not (<= |old(~a29~0)| 130)) (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= 1 ~a4~0) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a4~0)|))) [2020-07-20 01:42:31,812 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-07-20 01:42:31,812 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a25~0)| 10)) (not (<= |old(~a29~0)| 130)) (and (<= ~a29~0 245) .cse0) (and .cse0 (exists ((v_~a23~0_479 Int)) (let ((.cse1 (mod (* (div v_~a23~0_479 5) 4) 83))) (and (<= 0 v_~a23~0_479) (<= (+ .cse1 180) ~a23~0) (= 0 .cse1) (< 306 v_~a23~0_479))))) (<= ~a4~0 0) (and (not (= 13 ~a25~0)) .cse0) (not (= 1 |old(~a4~0)|)))) [2020-07-20 01:42:31,812 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-07-20 01:42:31,812 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-07-20 01:42:31,813 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a25~0)| 10)) (not (<= |old(~a29~0)| 130)) (and (<= ~a29~0 245) .cse0) (and .cse0 (exists ((v_~a23~0_479 Int)) (let ((.cse1 (mod (* (div v_~a23~0_479 5) 4) 83))) (and (<= 0 v_~a23~0_479) (<= (+ .cse1 180) ~a23~0) (= 0 .cse1) (< 306 v_~a23~0_479))))) (<= ~a4~0 0) (and (not (= 13 ~a25~0)) .cse0) (not (= 1 |old(~a4~0)|)))) [2020-07-20 01:42:31,813 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-07-20 01:42:31,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:42:31 BoogieIcfgContainer [2020-07-20 01:42:31,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:42:31,840 INFO L168 Benchmark]: Toolchain (without parser) took 71342.54 ms. Allocated memory was 138.4 MB in the beginning and 644.3 MB in the end (delta: 505.9 MB). Free memory was 99.7 MB in the beginning and 192.7 MB in the end (delta: -92.9 MB). Peak memory consumption was 413.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:31,840 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 01:42:31,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1087.75 ms. Allocated memory was 138.4 MB in the beginning and 209.2 MB in the end (delta: 70.8 MB). Free memory was 99.3 MB in the beginning and 164.3 MB in the end (delta: -65.0 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:31,842 INFO L168 Benchmark]: Boogie Preprocessor took 149.79 ms. Allocated memory is still 209.2 MB. Free memory was 164.3 MB in the beginning and 156.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:31,843 INFO L168 Benchmark]: RCFGBuilder took 2028.62 ms. Allocated memory was 209.2 MB in the beginning and 242.2 MB in the end (delta: 33.0 MB). Free memory was 156.9 MB in the beginning and 103.3 MB in the end (delta: 53.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:31,844 INFO L168 Benchmark]: TraceAbstraction took 68068.98 ms. Allocated memory was 242.2 MB in the beginning and 644.3 MB in the end (delta: 402.1 MB). Free memory was 103.3 MB in the beginning and 192.7 MB in the end (delta: -89.4 MB). Peak memory consumption was 312.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:31,847 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1087.75 ms. Allocated memory was 138.4 MB in the beginning and 209.2 MB in the end (delta: 70.8 MB). Free memory was 99.3 MB in the beginning and 164.3 MB in the end (delta: -65.0 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.79 ms. Allocated memory is still 209.2 MB. Free memory was 164.3 MB in the beginning and 156.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2028.62 ms. Allocated memory was 209.2 MB in the beginning and 242.2 MB in the end (delta: 33.0 MB). Free memory was 156.9 MB in the beginning and 103.3 MB in the end (delta: 53.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68068.98 ms. Allocated memory was 242.2 MB in the beginning and 644.3 MB in the end (delta: 402.1 MB). Free memory was 103.3 MB in the beginning and 192.7 MB in the end (delta: -89.4 MB). Peak memory consumption was 312.8 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_~a23~0_479,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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: 1034]: Loop Invariant [2020-07-20 01:42:31,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-20 01:42:31,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] Derived loop invariant: ((((((!(312 <= \old(a23)) || !(\old(a25) <= 10)) || !(\old(a29) <= 130)) || (a29 <= 245 && 1 == a4)) || (1 == a4 && (\exists v_~a23~0_479 : int :: ((0 <= v_~a23~0_479 && v_~a23~0_479 / 5 * 4 % 83 + 180 <= a23) && 0 == v_~a23~0_479 / 5 * 4 % 83) && 306 < v_~a23~0_479))) || a4 <= 0) || (!(13 == a25) && 1 == a4)) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 30.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 29.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 571 SDtfs, 5608 SDslu, 729 SDs, 0 SdLazy, 9791 SolverSat, 2225 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 23.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1424 GetRequests, 1345 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8464occurred 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: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 484 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 193 PreInvPairs, 325 NumberOfFragments, 327 HoareAnnotationTreeSize, 193 FomulaSimplifications, 16377 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4152 FormulaSimplificationTreeSizeReductionInter, 28.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2872 NumberOfCodeBlocks, 2872 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2859 ConstructedInterpolants, 36 QuantifiedInterpolants, 1625134 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2363 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 1907/2014 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...