/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_FUNCTIONS --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 [2020-07-19 23:32:00,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 23:32:00,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 23:32:00,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-19 23:32:00,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:32:00,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:32:00,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:32:00,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:32:00,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:32:00,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:32:00,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:32:00,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:32:00,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:32:00,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:32:00,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:32:00,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:32:00,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:32:00,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:32:00,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:32:00,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:32:00,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 23:32:00,192 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:32:00,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:32:00,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:32:00,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:32:00,194 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:32:00,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:32:00,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:32:00,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:32:00,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:32:00,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:32:00,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:32:00,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:32:00,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:32:00,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:32:00,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:32:00,196 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:32:00,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:32:00,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:32:00,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:32:00,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:32:00,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:32:00,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:32:00,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:32:00,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:32:00,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:32:00,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:32:00,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:32:00,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:32:00,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:32:00,199 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_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:32:00,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:32:00,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:32:00,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:32:00,504 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:32:00,505 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:32:00,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-19 23:32:00,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39d2af042/c5ba3bcbbdc94de08cfb25ed3332778f/FLAGf86df06b0 [2020-07-19 23:32:01,307 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:32:01,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-19 23:32:01,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39d2af042/c5ba3bcbbdc94de08cfb25ed3332778f/FLAGf86df06b0 [2020-07-19 23:32:01,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39d2af042/c5ba3bcbbdc94de08cfb25ed3332778f [2020-07-19 23:32:01,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:32:01,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:32:01,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:32:01,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:32:01,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:32:01,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:32:01" (1/1) ... [2020-07-19 23:32:01,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca499e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:01, skipping insertion in model container [2020-07-19 23:32:01,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:32:01" (1/1) ... [2020-07-19 23:32:01,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:32:01,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:32:02,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:32:02,275 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:32:02,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:32:02,610 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:32:02,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02 WrapperNode [2020-07-19 23:32:02,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:32:02,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:32:02,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:32:02,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:32:02,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (1/1) ... [2020-07-19 23:32:02,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (1/1) ... [2020-07-19 23:32:02,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (1/1) ... [2020-07-19 23:32:02,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (1/1) ... [2020-07-19 23:32:02,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (1/1) ... [2020-07-19 23:32:02,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (1/1) ... [2020-07-19 23:32:02,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (1/1) ... [2020-07-19 23:32:02,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:32:02,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:32:02,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:32:02,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:32:02,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:32:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:32:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:32:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:32:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:32:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:32:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:32:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:32:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:32:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:32:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:32:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:32:04,907 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:32:04,908 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:32:04,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:32:04 BoogieIcfgContainer [2020-07-19 23:32:04,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:32:04,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:32:04,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:32:04,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:32:04,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:32:01" (1/3) ... [2020-07-19 23:32:04,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c70fadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:32:04, skipping insertion in model container [2020-07-19 23:32:04,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:02" (2/3) ... [2020-07-19 23:32:04,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c70fadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:32:04, skipping insertion in model container [2020-07-19 23:32:04,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:32:04" (3/3) ... [2020-07-19 23:32:04,925 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-07-19 23:32:04,937 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:32:04,946 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:32:04,961 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:32:04,991 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:32:04,991 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:32:04,991 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:32:04,992 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:32:04,992 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:32:04,992 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:32:04,992 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:32:04,992 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:32:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-07-19 23:32:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-19 23:32:05,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:32:05,033 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] [2020-07-19 23:32:05,033 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:32:05,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:32:05,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1626993173, now seen corresponding path program 1 times [2020-07-19 23:32:05,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:32:05,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803632736] [2020-07-19 23:32:05,051 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@662ef46a [2020-07-19 23:32:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:05,517 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-19 23:32:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:32:05,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803632736] [2020-07-19 23:32:05,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:32:05,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 23:32:05,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012168178] [2020-07-19 23:32:05,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 23:32:05,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:32:05,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 23:32:05,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 23:32:05,591 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-07-19 23:32:08,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:32:08,478 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-07-19 23:32:08,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 23:32:08,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-07-19 23:32:08,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:32:08,501 INFO L225 Difference]: With dead ends: 791 [2020-07-19 23:32:08,501 INFO L226 Difference]: Without dead ends: 434 [2020-07-19 23:32:08,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:32:08,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-19 23:32:08,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-07-19 23:32:08,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-07-19 23:32:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-07-19 23:32:08,591 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 40 [2020-07-19 23:32:08,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:32:08,592 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-07-19 23:32:08,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 23:32:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-07-19 23:32:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-19 23:32:08,598 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:32:08,599 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] [2020-07-19 23:32:08,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:32:08,599 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:32:08,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:32:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash -798212694, now seen corresponding path program 1 times [2020-07-19 23:32:08,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:32:08,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005808229] [2020-07-19 23:32:08,601 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@662ef46a [2020-07-19 23:32:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:32:08,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005808229] [2020-07-19 23:32:08,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:32:08,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:32:08,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100062463] [2020-07-19 23:32:08,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:32:08,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:32:08,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:32:08,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:32:08,990 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 8 states. [2020-07-19 23:32:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:32:13,294 INFO L93 Difference]: Finished difference Result 1664 states and 2471 transitions. [2020-07-19 23:32:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 23:32:13,297 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2020-07-19 23:32:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:32:13,307 INFO L225 Difference]: With dead ends: 1664 [2020-07-19 23:32:13,307 INFO L226 Difference]: Without dead ends: 1240 [2020-07-19 23:32:13,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-19 23:32:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2020-07-19 23:32:13,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1208. [2020-07-19 23:32:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-07-19 23:32:13,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1688 transitions. [2020-07-19 23:32:13,391 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1688 transitions. Word has length 112 [2020-07-19 23:32:13,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:32:13,392 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1688 transitions. [2020-07-19 23:32:13,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:32:13,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1688 transitions. [2020-07-19 23:32:13,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-19 23:32:13,398 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:32:13,398 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] [2020-07-19 23:32:13,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 23:32:13,399 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:32:13,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:32:13,399 INFO L82 PathProgramCache]: Analyzing trace with hash 559014170, now seen corresponding path program 1 times [2020-07-19 23:32:13,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:32:13,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227075870] [2020-07-19 23:32:13,400 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@662ef46a [2020-07-19 23:32:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:13,778 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:32:13,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227075870] [2020-07-19 23:32:13,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:32:13,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 23:32:13,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147125817] [2020-07-19 23:32:13,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 23:32:13,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:32:13,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 23:32:13,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:32:13,781 INFO L87 Difference]: Start difference. First operand 1208 states and 1688 transitions. Second operand 7 states. [2020-07-19 23:32:17,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:32:17,399 INFO L93 Difference]: Finished difference Result 3630 states and 5216 transitions. [2020-07-19 23:32:17,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 23:32:17,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2020-07-19 23:32:17,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:32:17,418 INFO L225 Difference]: With dead ends: 3630 [2020-07-19 23:32:17,419 INFO L226 Difference]: Without dead ends: 2428 [2020-07-19 23:32:17,423 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 [2020-07-19 23:32:17,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2020-07-19 23:32:17,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2403. [2020-07-19 23:32:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2403 states. [2020-07-19 23:32:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2403 states and 3175 transitions. [2020-07-19 23:32:17,528 INFO L78 Accepts]: Start accepts. Automaton has 2403 states and 3175 transitions. Word has length 120 [2020-07-19 23:32:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:32:17,532 INFO L479 AbstractCegarLoop]: Abstraction has 2403 states and 3175 transitions. [2020-07-19 23:32:17,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 23:32:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 3175 transitions. [2020-07-19 23:32:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-19 23:32:17,549 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:32:17,549 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] [2020-07-19 23:32:17,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 23:32:17,550 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:32:17,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:32:17,550 INFO L82 PathProgramCache]: Analyzing trace with hash 384966816, now seen corresponding path program 1 times [2020-07-19 23:32:17,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:32:17,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315461331] [2020-07-19 23:32:17,551 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@662ef46a [2020-07-19 23:32:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 66 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 23:32:17,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315461331] [2020-07-19 23:32:17,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17526376] [2020-07-19 23:32:17,935 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1687e1c9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:18,167 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1687e1c9 issued 4 check-sat command(s) [2020-07-19 23:32:18,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:32:18,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 23:32:18,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:32:18,295 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:32:18,298 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:32:18,305 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:32:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-19 23:32:18,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:32:18,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-07-19 23:32:18,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849155904] [2020-07-19 23:32:18,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:32:18,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:32:18,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:32:18,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:32:18,444 INFO L87 Difference]: Start difference. First operand 2403 states and 3175 transitions. Second operand 5 states. [2020-07-19 23:32:20,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:32:20,548 INFO L93 Difference]: Finished difference Result 4874 states and 6516 transitions. [2020-07-19 23:32:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:32:20,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2020-07-19 23:32:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:32:20,569 INFO L225 Difference]: With dead ends: 4874 [2020-07-19 23:32:20,569 INFO L226 Difference]: Without dead ends: 2665 [2020-07-19 23:32:20,576 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 [2020-07-19 23:32:20,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2665 states. [2020-07-19 23:32:20,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2665 to 2615. [2020-07-19 23:32:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2615 states. [2020-07-19 23:32:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 3410 transitions. [2020-07-19 23:32:20,711 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 3410 transitions. Word has length 183 [2020-07-19 23:32:20,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:32:20,711 INFO L479 AbstractCegarLoop]: Abstraction has 2615 states and 3410 transitions. [2020-07-19 23:32:20,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:32:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3410 transitions. [2020-07-19 23:32:20,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-07-19 23:32:20,716 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:32:20,717 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] [2020-07-19 23:32:20,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:20,931 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:32:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:32:20,932 INFO L82 PathProgramCache]: Analyzing trace with hash 240062387, now seen corresponding path program 1 times [2020-07-19 23:32:20,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:32:20,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483679677] [2020-07-19 23:32:20,933 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@662ef46a [2020-07-19 23:32:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-19 23:32:21,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483679677] [2020-07-19 23:32:21,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880582005] [2020-07-19 23:32:21,218 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@360ac54b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:21,433 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@360ac54b issued 4 check-sat command(s) [2020-07-19 23:32:21,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:32:21,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:32:21,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:32:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-19 23:32:21,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:32:21,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-19 23:32:21,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652412388] [2020-07-19 23:32:21,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:32:21,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:32:21,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:32:21,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:32:21,543 INFO L87 Difference]: Start difference. First operand 2615 states and 3410 transitions. Second operand 3 states. [2020-07-19 23:32:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:32:23,166 INFO L93 Difference]: Finished difference Result 6569 states and 8906 transitions. [2020-07-19 23:32:23,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:32:23,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2020-07-19 23:32:23,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:32:23,198 INFO L225 Difference]: With dead ends: 6569 [2020-07-19 23:32:23,199 INFO L226 Difference]: Without dead ends: 4148 [2020-07-19 23:32:23,208 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 [2020-07-19 23:32:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2020-07-19 23:32:23,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 4146. [2020-07-19 23:32:23,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4146 states. [2020-07-19 23:32:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 5519 transitions. [2020-07-19 23:32:23,351 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 5519 transitions. Word has length 236 [2020-07-19 23:32:23,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:32:23,354 INFO L479 AbstractCegarLoop]: Abstraction has 4146 states and 5519 transitions. [2020-07-19 23:32:23,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:32:23,354 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 5519 transitions. [2020-07-19 23:32:23,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-07-19 23:32:23,362 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:32:23,364 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] [2020-07-19 23:32:23,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:23,572 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:32:23,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:32:23,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1219984608, now seen corresponding path program 1 times [2020-07-19 23:32:23,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:32:23,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613069041] [2020-07-19 23:32:23,576 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@662ef46a [2020-07-19 23:32:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-19 23:32:24,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613069041] [2020-07-19 23:32:24,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057365197] [2020-07-19 23:32:24,186 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205ac573 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:24,405 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205ac573 issued 4 check-sat command(s) [2020-07-19 23:32:24,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:32:24,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-19 23:32:24,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:32:24,429 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:32:24,431 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:32:24,432 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:32:24,434 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:32:24,435 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:32:24,436 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:32:24,439 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:32:24,442 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:32:24,912 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 18 [2020-07-19 23:32:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-19 23:32:25,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:32:25,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 23:32:25,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883456484] [2020-07-19 23:32:25,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:32:25,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:32:25,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:32:25,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:32:25,082 INFO L87 Difference]: Start difference. First operand 4146 states and 5519 transitions. Second operand 3 states. [2020-07-19 23:32:34,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:32:34,770 INFO L93 Difference]: Finished difference Result 9442 states and 13160 transitions. [2020-07-19 23:32:34,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:32:34,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2020-07-19 23:32:34,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:32:34,798 INFO L225 Difference]: With dead ends: 9442 [2020-07-19 23:32:34,798 INFO L226 Difference]: Without dead ends: 5490 [2020-07-19 23:32:34,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:32:34,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5490 states. [2020-07-19 23:32:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5490 to 5488. [2020-07-19 23:32:34,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5488 states. [2020-07-19 23:32:34,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 5488 states and 7298 transitions. [2020-07-19 23:32:34,975 INFO L78 Accepts]: Start accepts. Automaton has 5488 states and 7298 transitions. Word has length 267 [2020-07-19 23:32:34,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:32:34,976 INFO L479 AbstractCegarLoop]: Abstraction has 5488 states and 7298 transitions. [2020-07-19 23:32:34,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:32:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5488 states and 7298 transitions. [2020-07-19 23:32:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-07-19 23:32:34,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:32:34,986 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] [2020-07-19 23:32:35,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:35,191 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:32:35,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:32:35,192 INFO L82 PathProgramCache]: Analyzing trace with hash 630561712, now seen corresponding path program 1 times [2020-07-19 23:32:35,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:32:35,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381870480] [2020-07-19 23:32:35,192 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@662ef46a [2020-07-19 23:32:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:32:35,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381870480] [2020-07-19 23:32:35,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837044518] [2020-07-19 23:32:35,590 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@219151b6 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 [2020-07-19 23:32:35,876 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@219151b6 issued 4 check-sat command(s) [2020-07-19 23:32:35,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:32:35,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 23:32:35,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:32:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 137 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 23:32:36,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:32:36,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-19 23:32:36,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417930302] [2020-07-19 23:32:36,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 23:32:36,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:32:36,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 23:32:36,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-19 23:32:36,148 INFO L87 Difference]: Start difference. First operand 5488 states and 7298 transitions. Second operand 9 states. [2020-07-19 23:32:42,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:32:42,522 INFO L93 Difference]: Finished difference Result 14127 states and 21864 transitions. [2020-07-19 23:32:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-19 23:32:42,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 278 [2020-07-19 23:32:42,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:32:42,598 INFO L225 Difference]: With dead ends: 14127 [2020-07-19 23:32:42,598 INFO L226 Difference]: Without dead ends: 8833 [2020-07-19 23:32:42,625 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 [2020-07-19 23:32:42,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8833 states. [2020-07-19 23:32:42,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8833 to 8464. [2020-07-19 23:32:42,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8464 states. [2020-07-19 23:32:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8464 states to 8464 states and 11929 transitions. [2020-07-19 23:32:42,987 INFO L78 Accepts]: Start accepts. Automaton has 8464 states and 11929 transitions. Word has length 278 [2020-07-19 23:32:42,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:32:42,988 INFO L479 AbstractCegarLoop]: Abstraction has 8464 states and 11929 transitions. [2020-07-19 23:32:42,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 23:32:42,988 INFO L276 IsEmpty]: Start isEmpty. Operand 8464 states and 11929 transitions. [2020-07-19 23:32:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-07-19 23:32:43,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:32:43,007 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] [2020-07-19 23:32:43,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:43,222 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:32:43,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:32:43,222 INFO L82 PathProgramCache]: Analyzing trace with hash -844079456, now seen corresponding path program 1 times [2020-07-19 23:32:43,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:32:43,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056496477] [2020-07-19 23:32:43,223 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@662ef46a [2020-07-19 23:32:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:32:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-19 23:32:43,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056496477] [2020-07-19 23:32:43,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011368820] [2020-07-19 23:32:43,795 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39911a11 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:44,118 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39911a11 issued 4 check-sat command(s) [2020-07-19 23:32:44,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:32:44,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 23:32:44,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:32:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-19 23:32:44,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:32:44,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-19 23:32:44,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891280093] [2020-07-19 23:32:44,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:32:44,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:32:44,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:32:44,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:32:44,262 INFO L87 Difference]: Start difference. First operand 8464 states and 11929 transitions. Second operand 8 states. [2020-07-19 23:32:47,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:32:47,288 INFO L93 Difference]: Finished difference Result 16431 states and 23959 transitions. [2020-07-19 23:32:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:32:47,289 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 336 [2020-07-19 23:32:47,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:32:47,291 INFO L225 Difference]: With dead ends: 16431 [2020-07-19 23:32:47,291 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:32:47,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 23:32:47,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:32:47,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:32:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:32:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:32:47,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2020-07-19 23:32:47,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:32:47,343 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:32:47,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:32:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:32:47,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:32:47,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:32:47,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:32:48,274 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 26 [2020-07-19 23:33:10,427 WARN L193 SmtUtils]: Spent 22.11 s on a formula simplification. DAG size of input: 169 DAG size of output: 51 [2020-07-19 23:33:10,663 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-07-19 23:33:10,817 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-07-19 23:33:10,823 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:33:10,824 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)|)) [2020-07-19 23:33:10,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:33:10,824 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-07-19 23:33:10,824 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-19 23:33:10,824 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-07-19 23:33:10,824 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,824 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,825 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,825 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,825 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,825 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,825 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,825 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-19 23:33:10,826 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-19 23:33:10,826 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-07-19 23:33:10,826 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,826 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,826 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,826 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,826 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,827 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,827 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,827 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,827 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,827 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-19 23:33:10,827 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-07-19 23:33:10,827 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-07-19 23:33:10,828 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,828 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,828 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,828 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,828 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,828 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,828 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-07-19 23:33:10,829 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-07-19 23:33:10,830 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,830 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,830 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,830 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,830 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,830 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,830 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,830 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,831 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,831 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,831 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-19 23:33:10,831 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-07-19 23:33:10,831 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-07-19 23:33:10,831 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,832 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,833 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,833 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,833 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,833 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-07-19 23:33:10,833 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-07-19 23:33:10,833 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,834 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,834 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,834 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,834 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,834 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,834 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-07-19 23:33:10,834 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-07-19 23:33:10,835 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,835 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,835 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-19 23:33:10,835 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-19 23:33:10,835 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-07-19 23:33:10,835 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,835 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,835 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,836 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,836 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,836 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,836 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,836 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-19 23:33:10,836 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-19 23:33:10,836 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-19 23:33:10,837 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-07-19 23:33:10,837 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-07-19 23:33:10,837 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-07-19 23:33:10,837 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-07-19 23:33:10,837 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,837 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,837 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-07-19 23:33:10,838 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-07-19 23:33:10,838 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,838 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,838 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,838 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,839 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)))) [2020-07-19 23:33:10,839 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,839 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-19 23:33:10,839 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-19 23:33:10,840 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,841 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,842 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-19 23:33:10,843 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-07-19 23:33:10,843 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-19 23:33:10,843 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-19 23:33:10,843 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-07-19 23:33:10,843 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,843 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,843 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-07-19 23:33:10,844 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-07-19 23:33:10,845 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,846 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,847 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-19 23:33:10,848 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-07-19 23:33:10,849 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,850 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-19 23:33:10,851 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-19 23:33:10,851 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-19 23:33:10,851 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,851 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,851 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,851 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,851 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,852 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,852 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,852 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,852 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,852 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,852 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,853 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,854 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,854 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,854 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-19 23:33:10,854 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-19 23:33:10,854 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-07-19 23:33:10,854 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,854 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,855 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,855 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,855 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-07-19 23:33:10,855 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-07-19 23:33:10,855 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,855 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,855 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-07-19 23:33:10,856 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,856 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,856 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-07-19 23:33:10,856 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:33:10,856 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)) [2020-07-19 23:33:10,856 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:33:10,856 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:33:10,857 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)|))) [2020-07-19 23:33:10,857 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-07-19 23:33:10,857 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)|)))) [2020-07-19 23:33:10,857 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-07-19 23:33:10,858 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-07-19 23:33:10,858 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)|)))) [2020-07-19 23:33:10,858 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-07-19 23:33:10,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:33:10 BoogieIcfgContainer [2020-07-19 23:33:10,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:33:10,906 INFO L168 Benchmark]: Toolchain (without parser) took 69421.13 ms. Allocated memory was 136.8 MB in the beginning and 699.9 MB in the end (delta: 563.1 MB). Free memory was 98.6 MB in the beginning and 533.3 MB in the end (delta: -434.7 MB). Peak memory consumption was 535.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:10,907 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 23:33:10,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1118.86 ms. Allocated memory was 136.8 MB in the beginning and 208.7 MB in the end (delta: 71.8 MB). Free memory was 98.2 MB in the beginning and 163.4 MB in the end (delta: -65.2 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:10,909 INFO L168 Benchmark]: Boogie Preprocessor took 190.78 ms. Allocated memory is still 208.7 MB. Free memory was 163.4 MB in the beginning and 155.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:10,910 INFO L168 Benchmark]: RCFGBuilder took 2112.86 ms. Allocated memory was 208.7 MB in the beginning and 238.0 MB in the end (delta: 29.4 MB). Free memory was 155.6 MB in the beginning and 101.4 MB in the end (delta: 54.2 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:10,912 INFO L168 Benchmark]: TraceAbstraction took 65985.71 ms. Allocated memory was 238.0 MB in the beginning and 699.9 MB in the end (delta: 461.9 MB). Free memory was 99.9 MB in the beginning and 533.3 MB in the end (delta: -433.4 MB). Peak memory consumption was 435.1 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:10,916 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1118.86 ms. Allocated memory was 136.8 MB in the beginning and 208.7 MB in the end (delta: 71.8 MB). Free memory was 98.2 MB in the beginning and 163.4 MB in the end (delta: -65.2 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 190.78 ms. Allocated memory is still 208.7 MB. Free memory was 163.4 MB in the beginning and 155.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2112.86 ms. Allocated memory was 208.7 MB in the beginning and 238.0 MB in the end (delta: 29.4 MB). Free memory was 155.6 MB in the beginning and 101.4 MB in the end (delta: 54.2 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 65985.71 ms. Allocated memory was 238.0 MB in the beginning and 699.9 MB in the end (delta: 461.9 MB). Free memory was 99.9 MB in the beginning and 533.3 MB in the end (delta: -433.4 MB). Peak memory consumption was 435.1 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 [2020-07-19 23:33:10,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_479,QUANTIFIED] [2020-07-19 23:33:10,929 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: 42.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 33.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 571 SDtfs, 5608 SDslu, 729 SDs, 0 SdLazy, 9792 SolverSat, 2224 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 26.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1424 GetRequests, 1345 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 2.2s 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: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 484 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 194 PreInvPairs, 328 NumberOfFragments, 327 HoareAnnotationTreeSize, 194 FomulaSimplifications, 16431 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4152 FormulaSimplificationTreeSizeReductionInter, 22.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.7s 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...