/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:37:22,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:37:22,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:37:22,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:37:22,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:37:22,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:37:22,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:37:22,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:37:22,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:37:22,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:37:22,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:37:22,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:37:22,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:37:22,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:37:22,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:37:22,587 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 [2020-11-06 22:37:22,622 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:37:22,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:37:22,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:37:22,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:37:22,624 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:37:22,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:37:22,625 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:37:22,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:37:22,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:37:22,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:37:22,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:37:22,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:37:22,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:37:22,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:37:22,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:37:22,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:37:22,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:37:22,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:37:22,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:37:22,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:37:22,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:37:22,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:37:22,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:37:22,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:37:22,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:37:22,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:37:22,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:37:22,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:37:22,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:37:22,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:37:23,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:37:23,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:37:23,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:37:23,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:37:23,125 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:37:23,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-11-06 22:37:23,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3049ea9cd/38baa2a7825c417996d05d4cf3cd043c/FLAG06701103d [2020-11-06 22:37:24,147 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:37:24,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-11-06 22:37:24,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3049ea9cd/38baa2a7825c417996d05d4cf3cd043c/FLAG06701103d [2020-11-06 22:37:24,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3049ea9cd/38baa2a7825c417996d05d4cf3cd043c [2020-11-06 22:37:24,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:37:24,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:37:24,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:24,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:37:24,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:37:24,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:24" (1/1) ... [2020-11-06 22:37:24,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7185a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:24, skipping insertion in model container [2020-11-06 22:37:24,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:24" (1/1) ... [2020-11-06 22:37:24,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:37:24,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:37:24,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:24,938 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:37:25,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:25,144 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:37:25,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25 WrapperNode [2020-11-06 22:37:25,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:25,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:37:25,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:37:25,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:37:25,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (1/1) ... [2020-11-06 22:37:25,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (1/1) ... [2020-11-06 22:37:25,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (1/1) ... [2020-11-06 22:37:25,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (1/1) ... [2020-11-06 22:37:25,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (1/1) ... [2020-11-06 22:37:25,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (1/1) ... [2020-11-06 22:37:25,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (1/1) ... [2020-11-06 22:37:25,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:37:25,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:37:25,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:37:25,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:37:25,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (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 [2020-11-06 22:37:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:37:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:37:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:37:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:37:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:37:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:37:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:37:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:37:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:37:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:37:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:37:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:37:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:37:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:37:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:37:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:37:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:37:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:37:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:37:26,750 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:37:26,750 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:37:26,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:26 BoogieIcfgContainer [2020-11-06 22:37:26,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:37:26,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:37:26,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:37:26,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:37:26,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:24" (1/3) ... [2020-11-06 22:37:26,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7d9089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:26, skipping insertion in model container [2020-11-06 22:37:26,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:25" (2/3) ... [2020-11-06 22:37:26,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7d9089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:26, skipping insertion in model container [2020-11-06 22:37:26,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:26" (3/3) ... [2020-11-06 22:37:26,763 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-11-06 22:37:26,780 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:37:26,785 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:37:26,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:37:26,831 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:37:26,831 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:37:26,831 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:37:26,831 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:37:26,832 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:37:26,832 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:37:26,832 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:37:26,832 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:37:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:37:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-06 22:37:26,872 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:26,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:26,874 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:26,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:26,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1756184309, now seen corresponding path program 1 times [2020-11-06 22:37:26,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:26,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508288317] [2020-11-06 22:37:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:27,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:27,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508288317] [2020-11-06 22:37:27,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:27,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:37:27,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958044235] [2020-11-06 22:37:27,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:37:27,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:27,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:37:27,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:37:27,631 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:37:27,820 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:29,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:29,828 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-11-06 22:37:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:37:29,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2020-11-06 22:37:29,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:29,846 INFO L225 Difference]: With dead ends: 676 [2020-11-06 22:37:29,847 INFO L226 Difference]: Without dead ends: 342 [2020-11-06 22:37:29,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:37:29,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-06 22:37:29,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-11-06 22:37:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-11-06 22:37:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-11-06 22:37:29,939 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 97 [2020-11-06 22:37:29,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:29,940 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-11-06 22:37:29,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:37:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-11-06 22:37:29,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-06 22:37:29,950 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:29,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:29,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:37:29,952 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:29,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:29,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1860414273, now seen corresponding path program 1 times [2020-11-06 22:37:29,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:29,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936763460] [2020-11-06 22:37:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:30,241 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:30,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:30,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936763460] [2020-11-06 22:37:30,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:30,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:37:30,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535404952] [2020-11-06 22:37:30,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:30,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:30,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:30,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:30,332 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 7 states. [2020-11-06 22:37:30,966 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:37:32,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:32,446 INFO L93 Difference]: Finished difference Result 982 states and 1451 transitions. [2020-11-06 22:37:32,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:37:32,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 105 [2020-11-06 22:37:32,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:32,462 INFO L225 Difference]: With dead ends: 982 [2020-11-06 22:37:32,463 INFO L226 Difference]: Without dead ends: 655 [2020-11-06 22:37:32,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:37:32,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-11-06 22:37:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 640. [2020-11-06 22:37:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-11-06 22:37:32,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 885 transitions. [2020-11-06 22:37:32,529 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 885 transitions. Word has length 105 [2020-11-06 22:37:32,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:32,529 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 885 transitions. [2020-11-06 22:37:32,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 885 transitions. [2020-11-06 22:37:32,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-11-06 22:37:32,533 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:32,534 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:32,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:37:32,534 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:32,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:32,535 INFO L82 PathProgramCache]: Analyzing trace with hash 101745790, now seen corresponding path program 1 times [2020-11-06 22:37:32,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:32,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967301418] [2020-11-06 22:37:32,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:32,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:32,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:32,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967301418] [2020-11-06 22:37:32,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944419301] [2020-11-06 22:37:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:33,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 22:37:33,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 22:37:33,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:33,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-11-06 22:37:33,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969520845] [2020-11-06 22:37:33,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:33,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:33,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:33,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:33,306 INFO L87 Difference]: Start difference. First operand 640 states and 885 transitions. Second operand 7 states. [2020-11-06 22:37:35,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:35,834 INFO L93 Difference]: Finished difference Result 2065 states and 3038 transitions. [2020-11-06 22:37:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:37:35,835 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-11-06 22:37:35,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:35,847 INFO L225 Difference]: With dead ends: 2065 [2020-11-06 22:37:35,847 INFO L226 Difference]: Without dead ends: 1431 [2020-11-06 22:37:35,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:37:35,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2020-11-06 22:37:35,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1405. [2020-11-06 22:37:35,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1405 states. [2020-11-06 22:37:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 1954 transitions. [2020-11-06 22:37:35,944 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 1954 transitions. Word has length 110 [2020-11-06 22:37:35,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:35,945 INFO L481 AbstractCegarLoop]: Abstraction has 1405 states and 1954 transitions. [2020-11-06 22:37:35,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1954 transitions. [2020-11-06 22:37:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-06 22:37:35,958 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:35,958 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:36,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:37:36,178 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:36,179 INFO L82 PathProgramCache]: Analyzing trace with hash 2098031052, now seen corresponding path program 1 times [2020-11-06 22:37:36,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:36,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222554160] [2020-11-06 22:37:36,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:36,350 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:36,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:36,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:36,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222554160] [2020-11-06 22:37:36,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:36,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:37:36,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657566574] [2020-11-06 22:37:36,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:36,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:36,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:36,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:36,441 INFO L87 Difference]: Start difference. First operand 1405 states and 1954 transitions. Second operand 7 states. [2020-11-06 22:37:36,596 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:38,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:38,748 INFO L93 Difference]: Finished difference Result 4232 states and 6347 transitions. [2020-11-06 22:37:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:37:38,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-11-06 22:37:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:38,775 INFO L225 Difference]: With dead ends: 4232 [2020-11-06 22:37:38,775 INFO L226 Difference]: Without dead ends: 2833 [2020-11-06 22:37:38,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:37:38,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2020-11-06 22:37:38,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2775. [2020-11-06 22:37:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2775 states. [2020-11-06 22:37:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3820 transitions. [2020-11-06 22:37:38,933 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3820 transitions. Word has length 123 [2020-11-06 22:37:38,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:38,934 INFO L481 AbstractCegarLoop]: Abstraction has 2775 states and 3820 transitions. [2020-11-06 22:37:38,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3820 transitions. [2020-11-06 22:37:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-06 22:37:38,942 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:38,943 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:38,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:37:38,943 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:38,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:38,944 INFO L82 PathProgramCache]: Analyzing trace with hash -808017167, now seen corresponding path program 1 times [2020-11-06 22:37:38,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:38,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217454326] [2020-11-06 22:37:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:39,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:39,252 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:39,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217454326] [2020-11-06 22:37:39,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:39,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:37:39,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513506619] [2020-11-06 22:37:39,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:37:39,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:39,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:37:39,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:37:39,255 INFO L87 Difference]: Start difference. First operand 2775 states and 3820 transitions. Second operand 8 states. [2020-11-06 22:37:39,556 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:37:41,038 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:42,294 INFO L93 Difference]: Finished difference Result 8375 states and 11798 transitions. [2020-11-06 22:37:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:37:42,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-11-06 22:37:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:42,332 INFO L225 Difference]: With dead ends: 8375 [2020-11-06 22:37:42,332 INFO L226 Difference]: Without dead ends: 5606 [2020-11-06 22:37:42,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:37:42,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5606 states. [2020-11-06 22:37:42,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5606 to 5581. [2020-11-06 22:37:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5581 states. [2020-11-06 22:37:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 6996 transitions. [2020-11-06 22:37:42,618 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 6996 transitions. Word has length 132 [2020-11-06 22:37:42,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:42,619 INFO L481 AbstractCegarLoop]: Abstraction has 5581 states and 6996 transitions. [2020-11-06 22:37:42,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:37:42,622 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 6996 transitions. [2020-11-06 22:37:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-06 22:37:42,648 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:42,649 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:42,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 22:37:42,650 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:42,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:42,650 INFO L82 PathProgramCache]: Analyzing trace with hash 225031857, now seen corresponding path program 1 times [2020-11-06 22:37:42,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:42,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768039440] [2020-11-06 22:37:42,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 22:37:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-06 22:37:43,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768039440] [2020-11-06 22:37:43,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108109777] [2020-11-06 22:37:43,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:43,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:43,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:37:43,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:43,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-11-06 22:37:43,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105714634] [2020-11-06 22:37:43,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 22:37:43,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:43,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 22:37:43,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:37:43,346 INFO L87 Difference]: Start difference. First operand 5581 states and 6996 transitions. Second operand 13 states. [2020-11-06 22:37:43,809 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-11-06 22:37:44,194 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-11-06 22:37:44,632 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-06 22:37:44,947 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-06 22:37:45,481 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-11-06 22:37:45,662 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-06 22:37:47,418 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-11-06 22:37:48,051 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:37:53,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:53,052 INFO L93 Difference]: Finished difference Result 14055 states and 17852 transitions. [2020-11-06 22:37:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-06 22:37:53,054 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 179 [2020-11-06 22:37:53,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:53,055 INFO L225 Difference]: With dead ends: 14055 [2020-11-06 22:37:53,055 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:37:53,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=429, Invalid=1641, Unknown=0, NotChecked=0, Total=2070 [2020-11-06 22:37:53,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:37:53,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:37:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:37:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:37:53,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-11-06 22:37:53,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:53,091 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:37:53,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 22:37:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:37:53,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:37:53,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:53,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:37:54,138 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 138 [2020-11-06 22:37:54,289 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 138 [2020-11-06 22:37:54,493 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2020-11-06 22:37:55,984 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 218 DAG size of output: 53 [2020-11-06 22:37:56,450 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 52 [2020-11-06 22:37:56,864 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 52 [2020-11-06 22:37:57,329 WARN L194 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 37 [2020-11-06 22:37:57,333 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:37:57,334 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:37:57,334 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:37:57,334 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:37:57,335 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:37:57,335 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-11-06 22:37:57,335 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:37:57,335 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:37:57,336 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:37:57,336 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:37:57,336 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:37:57,336 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:37:57,336 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:37:57,336 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:37:57,336 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,337 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,338 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,338 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,338 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,338 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:37:57,338 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:37:57,338 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:37:57,338 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:37:57,338 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,339 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:37:57,340 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:37:57,341 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:37:57,342 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:37:57,343 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:37:57,349 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:37:57,349 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,350 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:37:57,351 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:37:57,351 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:37:57,351 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:37:57,351 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:37:57,351 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:37:57,351 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:37:57,352 INFO L262 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse7 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse8 (= 9 |old(~a28~0)|)) (.cse1 (not (<= |old(~a17~0)| 7))) (.cse4 (not (<= |old(~a19~0)| 0))) (.cse3 (= |old(~a11~0)| 1)) (.cse9 (not (<= |old(~a28~0)| 7))) (.cse5 (not (= |old(~a19~0)| 1))) (.cse0 (= 11 |old(~a28~0)|)) (.cse2 (not (= 0 |old(~a25~0)|))) (.cse6 (= 9 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (= |old(~a17~0)| |old(~a28~0)|) .cse7) (or .cse0 .cse8 .cse3 .cse6 .cse4) (or .cse0 .cse1 .cse4 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse4) (or .cse9 .cse6 .cse4) (or .cse5 .cse3 .cse6) (or .cse9 .cse5 .cse6) (or .cse5 .cse0 .cse2 .cse6))) [2020-11-06 22:37:57,352 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:37:57,352 INFO L266 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-11-06 22:37:57,352 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:37:57,352 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:37:57,352 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:37:57,353 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:37:57,354 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:37:57,355 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:37:57,355 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:37:57,355 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:37:57,355 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:37:57,355 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:37:57,355 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,356 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,356 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,356 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,356 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:37:57,356 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,356 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:37:57,356 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:37:57,357 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,358 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:37:57,359 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:37:57,360 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:37:57,361 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:37:57,361 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:37:57,361 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse10 (= ~a19~0 1)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse18 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse14 (= ~a19~0 |old(~a19~0)|))) (let ((.cse8 (= ~a25~0 ~a11~0)) (.cse13 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse2 (not (<= |old(~a17~0)| 7))) (.cse3 (not (= 0 |old(~a25~0)|))) (.cse0 (and .cse7 .cse9 .cse18 .cse11 .cse14)) (.cse1 (= 11 |old(~a28~0)|)) (.cse15 (= 9 |old(~a28~0)|)) (.cse5 (not (<= |old(~a19~0)| 0))) (.cse4 (= |old(~a11~0)| 1)) (.cse17 (not (<= |old(~a28~0)| 7))) (.cse6 (not (= |old(~a19~0)| 1))) (.cse12 (= 9 |old(~a17~0)|)) (.cse16 (and .cse7 .cse9 .cse18 .cse10 .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse1 .cse12 (= |old(~a17~0)| |old(~a28~0)|) .cse13) (or .cse1 .cse2 (and .cse7 .cse8 .cse9 .cse11 .cse14) .cse5 .cse13) (or .cse0 .cse1 .cse15 .cse2 .cse3 .cse5) (or .cse6 .cse1 .cse3 .cse12 .cse16) (or .cse17 .cse0 .cse12 .cse5) (or .cse0 .cse1 .cse15 .cse4 .cse12 .cse5) (or .cse6 .cse4 .cse12 .cse16) (or .cse17 .cse6 .cse12 .cse16)))) [2020-11-06 22:37:57,361 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:37:57,361 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:37:57,361 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:37:57,361 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:37:57,362 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:37:57,363 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:37:57,363 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:37:57,363 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:37:57,363 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:37:57,363 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:37:57,363 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:37:57,363 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:37:57,363 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:37:57,364 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:37:57,364 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:37:57,365 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:37:57,366 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,367 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:57,368 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:37:57,368 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:37:57,368 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:37:57,368 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:37:57,368 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:37:57,368 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7) (not (= ~a17~0 9))) [2020-11-06 22:37:57,368 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:37:57,368 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:37:57,369 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0)) (.cse8 (not (= ~a11~0 1))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse10 (not (= ~a28~0 9))) (.cse5 (<= ~a19~0 0)) (.cse9 (= ~a25~0 0)) (.cse7 (<= ~a17~0 7)) (.cse4 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~a19~0)| 1)) (and .cse0 .cse5 .cse6) (and .cse3 .cse6 .cse7) (and .cse0 .cse3 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse2 .cse5 .cse7 .cse4) (and .cse0 .cse5 .cse9 .cse8 .cse7 .cse4) (and .cse10 .cse0 .cse5 .cse8 .cse4) (and .cse10 .cse3 .cse9 .cse7 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse3 .cse9 .cse4) (and .cse0 .cse3 .cse6) (= 9 |old(~a17~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse5 .cse9 .cse7 .cse4) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:37:57,369 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (= 9 |old(~a17~0)|) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:37:57,370 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:37:57,370 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:37:57,370 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0)) (.cse8 (not (= ~a11~0 1))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse10 (not (= ~a28~0 9))) (.cse5 (<= ~a19~0 0)) (.cse9 (= ~a25~0 0)) (.cse7 (<= ~a17~0 7)) (.cse4 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~a19~0)| 1)) (and .cse0 .cse5 .cse6) (and .cse3 .cse6 .cse7) (and .cse0 .cse3 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse2 .cse5 .cse7 .cse4) (and .cse0 .cse5 .cse9 .cse8 .cse7 .cse4) (and .cse10 .cse0 .cse5 .cse8 .cse4) (and .cse10 .cse3 .cse9 .cse7 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse3 .cse9 .cse4) (and .cse0 .cse3 .cse6) (= 9 |old(~a17~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse5 .cse9 .cse7 .cse4) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:37:57,370 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:37:57,370 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:37:57,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:37:57 BoogieIcfgContainer [2020-11-06 22:37:57,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:37:57,409 INFO L168 Benchmark]: Toolchain (without parser) took 33069.39 ms. Allocated memory was 151.0 MB in the beginning and 478.2 MB in the end (delta: 327.2 MB). Free memory was 125.2 MB in the beginning and 364.7 MB in the end (delta: -239.5 MB). Peak memory consumption was 296.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:57,409 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 100.9 MB in the beginning and 100.8 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:37:57,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.26 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 132.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:57,411 INFO L168 Benchmark]: Boogie Preprocessor took 116.38 ms. Allocated memory is still 151.0 MB. Free memory was 132.1 MB in the beginning and 127.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:57,411 INFO L168 Benchmark]: RCFGBuilder took 1488.98 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 112.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:57,412 INFO L168 Benchmark]: TraceAbstraction took 30652.48 ms. Allocated memory was 151.0 MB in the beginning and 478.2 MB in the end (delta: 327.2 MB). Free memory was 112.3 MB in the beginning and 364.7 MB in the end (delta: -252.4 MB). Peak memory consumption was 282.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:57,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 100.9 MB in the beginning and 100.8 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 797.26 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 132.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 116.38 ms. Allocated memory is still 151.0 MB. Free memory was 132.1 MB in the beginning and 127.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1488.98 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 112.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30652.48 ms. Allocated memory was 151.0 MB in the beginning and 478.2 MB in the end (delta: 327.2 MB). Free memory was 112.3 MB in the beginning and 364.7 MB in the end (delta: -252.4 MB). Peak memory consumption was 282.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 608]: Loop Invariant Derived loop invariant: (((((((((((((((((((a17 == \old(a17) && !(a28 == a17)) && a25 == a11) && a19 == 1) && !(a28 == 11)) || !(\old(a19) == 1)) || ((a17 == \old(a17) && a19 <= 0) && a28 <= 7)) || ((a19 == 1 && a28 <= 7) && a17 <= 7)) || ((a17 == \old(a17) && a19 == 1) && !(a11 == 1))) || !(0 == \old(a25))) || ((((!(a28 == a17) && a25 == a11) && a19 <= 0) && a17 <= 7) && !(a28 == 11))) || (((((a17 == \old(a17) && a19 <= 0) && a25 == 0) && !(a11 == 1)) && a17 <= 7) && !(a28 == 11))) || ((((!(a28 == 9) && a17 == \old(a17)) && a19 <= 0) && !(a11 == 1)) && !(a28 == 11))) || ((((!(a28 == 9) && a19 == 1) && a25 == 0) && a17 <= 7) && !(a28 == 11))) || !(\old(a28) <= 7)) || (((a17 == \old(a17) && a19 == 1) && a25 == 0) && !(a28 == 11))) || ((a17 == \old(a17) && a19 == 1) && a28 <= 7)) || 9 == \old(a17)) || \old(a17) == \old(a28)) || ((((!(a28 == 9) && a19 <= 0) && a25 == 0) && a17 <= 7) && !(a28 == 11))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.4s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 22.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 9048 SDslu, 517 SDs, 0 SdLazy, 8794 SolverSat, 1974 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5581occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 133 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 298 PreInvPairs, 442 NumberOfFragments, 948 HoareAnnotationTreeSize, 298 FomulaSimplifications, 37628 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8950 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1035 NumberOfCodeBlocks, 1035 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1027 ConstructedInterpolants, 0 QuantifiedInterpolants, 350470 SizeOfPredicates, 4 NumberOfNonLiveVariables, 936 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 304/322 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...