/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/Problem01_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:33:07,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:33:07,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:33:07,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:33:07,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:33:07,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:33:07,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:33:07,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:33:07,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:33:07,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:33:07,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:33:07,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:33:07,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:33:07,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:33:07,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:33:07,226 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 22:33:07,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:33:07,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:33:07,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:33:07,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:33:07,289 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:33:07,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:33:07,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:33:07,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:33:07,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:33:07,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:33:07,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:33:07,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:33:07,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:33:07,292 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:33:07,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:33:07,292 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:33:07,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:33:07,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:33:07,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:33:07,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:33:07,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:33:07,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:33:07,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:33:07,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:33:07,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:33:07,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:33:07,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:33:07,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:33:07,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:33:07,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:33:07,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:33:07,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:33:07,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:33:07,728 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:33:07,730 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:33:07,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2020-11-06 22:33:07,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65aba8c34/a0843a77c2b94cba891e3ae222dca353/FLAG085a3b46d [2020-11-06 22:33:08,614 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:33:08,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2020-11-06 22:33:08,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65aba8c34/a0843a77c2b94cba891e3ae222dca353/FLAG085a3b46d [2020-11-06 22:33:08,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65aba8c34/a0843a77c2b94cba891e3ae222dca353 [2020-11-06 22:33:08,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:33:08,879 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:33:08,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:33:08,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:33:08,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:33:08,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:08" (1/1) ... [2020-11-06 22:33:08,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac2e17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:08, skipping insertion in model container [2020-11-06 22:33:08,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:08" (1/1) ... [2020-11-06 22:33:08,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:33:08,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:33:09,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:33:09,528 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:33:09,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:33:09,700 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:33:09,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09 WrapperNode [2020-11-06 22:33:09,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:33:09,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:33:09,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:33:09,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:33:09,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (1/1) ... [2020-11-06 22:33:09,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (1/1) ... [2020-11-06 22:33:09,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (1/1) ... [2020-11-06 22:33:09,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (1/1) ... [2020-11-06 22:33:09,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (1/1) ... [2020-11-06 22:33:09,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (1/1) ... [2020-11-06 22:33:09,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (1/1) ... [2020-11-06 22:33:09,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:33:09,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:33:09,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:33:09,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:33:09,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (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 22:33:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:33:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:33:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:33:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:33:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:33:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:33:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:33:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:33:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:33:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:33:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:33:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:33:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:33:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:33:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:33:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:33:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:33:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:33:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:33:11,383 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:33:11,384 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:33:11,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:11 BoogieIcfgContainer [2020-11-06 22:33:11,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:33:11,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:33:11,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:33:11,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:33:11,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:33:08" (1/3) ... [2020-11-06 22:33:11,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46af880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:33:11, skipping insertion in model container [2020-11-06 22:33:11,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:09" (2/3) ... [2020-11-06 22:33:11,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46af880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:33:11, skipping insertion in model container [2020-11-06 22:33:11,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:11" (3/3) ... [2020-11-06 22:33:11,396 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label19.c [2020-11-06 22:33:11,413 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:33:11,417 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:33:11,430 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:33:11,459 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:33:11,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:33:11,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:33:11,460 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:33:11,460 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:33:11,460 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:33:11,460 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:33:11,460 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:33:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-11-06 22:33:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-06 22:33:11,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:33:11,498 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] [2020-11-06 22:33:11,498 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:33:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:33:11,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1535053259, now seen corresponding path program 1 times [2020-11-06 22:33:11,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:33:11,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712799769] [2020-11-06 22:33:11,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:33:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:12,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:33:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:12,196 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 22:33:12,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712799769] [2020-11-06 22:33:12,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:33:12,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:33:12,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913755647] [2020-11-06 22:33:12,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:33:12,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:33:12,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:33:12,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:33:12,234 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2020-11-06 22:33:12,404 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:33:14,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:33:14,299 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-11-06 22:33:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:33:14,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-11-06 22:33:14,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:33:14,317 INFO L225 Difference]: With dead ends: 562 [2020-11-06 22:33:14,317 INFO L226 Difference]: Without dead ends: 287 [2020-11-06 22:33:14,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:33:14,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-11-06 22:33:14,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-11-06 22:33:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-06 22:33:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 409 transitions. [2020-11-06 22:33:14,418 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 409 transitions. Word has length 93 [2020-11-06 22:33:14,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:33:14,419 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 409 transitions. [2020-11-06 22:33:14,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:33:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 409 transitions. [2020-11-06 22:33:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-06 22:33:14,426 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:33:14,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:33:14,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:33:14,427 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:33:14,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:33:14,428 INFO L82 PathProgramCache]: Analyzing trace with hash -109420790, now seen corresponding path program 1 times [2020-11-06 22:33:14,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:33:14,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969144868] [2020-11-06 22:33:14,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:33:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:14,680 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-06 22:33:14,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:33:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:14,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:33:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:33:14,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969144868] [2020-11-06 22:33:14,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:33:14,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:33:14,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823887638] [2020-11-06 22:33:14,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:33:14,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:33:14,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:33:14,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:33:14,780 INFO L87 Difference]: Start difference. First operand 281 states and 409 transitions. Second operand 7 states. [2020-11-06 22:33:16,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:33:16,721 INFO L93 Difference]: Finished difference Result 856 states and 1274 transitions. [2020-11-06 22:33:16,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:33:16,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-11-06 22:33:16,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:33:16,728 INFO L225 Difference]: With dead ends: 856 [2020-11-06 22:33:16,729 INFO L226 Difference]: Without dead ends: 581 [2020-11-06 22:33:16,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:33:16,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-11-06 22:33:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 559. [2020-11-06 22:33:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-11-06 22:33:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 784 transitions. [2020-11-06 22:33:16,811 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 784 transitions. Word has length 102 [2020-11-06 22:33:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:33:16,813 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 784 transitions. [2020-11-06 22:33:16,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:33:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 784 transitions. [2020-11-06 22:33:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-06 22:33:16,832 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:33:16,832 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:33:16,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:33:16,833 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:33:16,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:33:16,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1124680581, now seen corresponding path program 1 times [2020-11-06 22:33:16,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:33:16,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315744581] [2020-11-06 22:33:16,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:33:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:17,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:33:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:17,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:33:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:17,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:33:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:33:17,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315744581] [2020-11-06 22:33:17,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404400703] [2020-11-06 22:33:17,175 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 22:33:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:17,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:33:17,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:33:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:33:17,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:33:17,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:33:17,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23178428] [2020-11-06 22:33:17,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:33:17,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:33:17,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:33:17,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:33:17,575 INFO L87 Difference]: Start difference. First operand 559 states and 784 transitions. Second operand 10 states. [2020-11-06 22:33:17,799 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-06 22:33:18,128 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-11-06 22:33:18,328 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-06 22:33:19,517 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:33:20,511 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-11-06 22:33:23,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:33:23,080 INFO L93 Difference]: Finished difference Result 2735 states and 4130 transitions. [2020-11-06 22:33:23,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-06 22:33:23,081 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-11-06 22:33:23,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:33:23,100 INFO L225 Difference]: With dead ends: 2735 [2020-11-06 22:33:23,100 INFO L226 Difference]: Without dead ends: 2182 [2020-11-06 22:33:23,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=156, Invalid=546, Unknown=0, NotChecked=0, Total=702 [2020-11-06 22:33:23,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2020-11-06 22:33:23,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 1709. [2020-11-06 22:33:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1709 states. [2020-11-06 22:33:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2301 transitions. [2020-11-06 22:33:23,222 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2301 transitions. Word has length 123 [2020-11-06 22:33:23,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:33:23,223 INFO L481 AbstractCegarLoop]: Abstraction has 1709 states and 2301 transitions. [2020-11-06 22:33:23,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:33:23,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2301 transitions. [2020-11-06 22:33:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-11-06 22:33:23,230 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:33:23,230 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-06 22:33:23,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:33:23,446 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:33:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:33:23,448 INFO L82 PathProgramCache]: Analyzing trace with hash 679076929, now seen corresponding path program 1 times [2020-11-06 22:33:23,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:33:23,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726219546] [2020-11-06 22:33:23,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:33:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:23,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:33:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:23,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:33:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:23,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:33:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-11-06 22:33:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 53 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-06 22:33:23,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726219546] [2020-11-06 22:33:23,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986290329] [2020-11-06 22:33:23,755 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 22:33:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:23,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:33:23,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:33:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-06 22:33:24,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:33:24,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:33:24,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947385278] [2020-11-06 22:33:24,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:33:24,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:33:24,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:33:24,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:33:24,121 INFO L87 Difference]: Start difference. First operand 1709 states and 2301 transitions. Second operand 10 states. [2020-11-06 22:33:24,274 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:33:24,653 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-11-06 22:33:25,113 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-11-06 22:33:30,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:33:30,025 INFO L93 Difference]: Finished difference Result 5587 states and 7918 transitions. [2020-11-06 22:33:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-06 22:33:30,026 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2020-11-06 22:33:30,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:33:30,050 INFO L225 Difference]: With dead ends: 5587 [2020-11-06 22:33:30,050 INFO L226 Difference]: Without dead ends: 3272 [2020-11-06 22:33:30,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2020-11-06 22:33:30,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3272 states. [2020-11-06 22:33:30,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3272 to 3204. [2020-11-06 22:33:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3204 states. [2020-11-06 22:33:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 3751 transitions. [2020-11-06 22:33:30,215 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 3751 transitions. Word has length 143 [2020-11-06 22:33:30,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:33:30,215 INFO L481 AbstractCegarLoop]: Abstraction has 3204 states and 3751 transitions. [2020-11-06 22:33:30,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:33:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3751 transitions. [2020-11-06 22:33:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-06 22:33:30,225 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:33:30,225 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-06 22:33:30,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:33:30,439 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:33:30,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:33:30,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1172495495, now seen corresponding path program 1 times [2020-11-06 22:33:30,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:33:30,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957958293] [2020-11-06 22:33:30,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:33:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:30,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:33:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:30,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:33:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:30,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:33:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:30,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 22:33:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-06 22:33:30,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957958293] [2020-11-06 22:33:30,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535437446] [2020-11-06 22:33:30,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:33:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:33:30,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:33:30,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:33:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-06 22:33:30,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:33:30,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-06 22:33:30,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030202240] [2020-11-06 22:33:30,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:33:30,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:33:30,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:33:30,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:33:30,962 INFO L87 Difference]: Start difference. First operand 3204 states and 3751 transitions. Second operand 3 states. [2020-11-06 22:33:31,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:33:31,647 INFO L93 Difference]: Finished difference Result 4014 states and 4703 transitions. [2020-11-06 22:33:31,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:33:31,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-11-06 22:33:31,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:33:31,649 INFO L225 Difference]: With dead ends: 4014 [2020-11-06 22:33:31,650 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:33:31,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:33:31,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:33:31,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:33:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:33:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:33:31,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2020-11-06 22:33:31,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:33:31,660 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:33:31,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:33:31,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:33:31,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:33:31,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:33:31,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:33:32,667 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 14 [2020-11-06 22:33:32,841 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 14 [2020-11-06 22:33:32,993 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2020-11-06 22:33:33,686 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2020-11-06 22:33:33,845 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 18 [2020-11-06 22:33:33,971 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:33:33,971 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:33:33,971 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:33:33,972 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:33:33,972 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:33:33,972 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#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)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-11-06 22:33:33,973 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:33:33,973 INFO L266 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,973 INFO L266 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,973 INFO L266 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,974 INFO L266 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,974 INFO L266 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,974 INFO L266 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,974 INFO L266 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-11-06 22:33:33,974 INFO L266 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-11-06 22:33:33,975 INFO L266 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-11-06 22:33:33,975 INFO L266 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-11-06 22:33:33,975 INFO L266 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-11-06 22:33:33,975 INFO L266 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-11-06 22:33:33,975 INFO L266 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-11-06 22:33:33,975 INFO L266 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-11-06 22:33:33,976 INFO L266 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-11-06 22:33:33,976 INFO L266 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-11-06 22:33:33,976 INFO L266 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-11-06 22:33:33,976 INFO L266 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-11-06 22:33:33,976 INFO L266 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,976 INFO L266 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,976 INFO L266 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,976 INFO L266 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,977 INFO L266 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,977 INFO L266 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,977 INFO L266 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-11-06 22:33:33,977 INFO L266 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-11-06 22:33:33,977 INFO L266 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-11-06 22:33:33,977 INFO L266 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-11-06 22:33:33,977 INFO L266 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-11-06 22:33:33,977 INFO L266 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-11-06 22:33:33,978 INFO L262 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (let ((.cse0 (not (= |old(~a21~0)| 1)))) (and (or (not (<= 15 |old(~a8~0)|)) .cse0) (not (<= |old(~a8~0)| 13)) (or (not (<= |old(~a16~0)| 5)) .cse0))) [2020-11-06 22:33:33,978 INFO L266 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-11-06 22:33:33,978 INFO L266 CegarLoopResult]: For program point L436-1(line 436) no Hoare annotation was computed. [2020-11-06 22:33:33,978 INFO L266 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-11-06 22:33:33,978 INFO L266 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-11-06 22:33:33,978 INFO L266 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,978 INFO L266 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-11-06 22:33:33,979 INFO L266 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-11-06 22:33:33,980 INFO L266 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-11-06 22:33:33,980 INFO L266 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-11-06 22:33:33,980 INFO L266 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-11-06 22:33:33,980 INFO L266 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-11-06 22:33:33,980 INFO L266 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-11-06 22:33:33,980 INFO L266 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-11-06 22:33:33,980 INFO L266 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-11-06 22:33:33,980 INFO L266 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-11-06 22:33:33,981 INFO L266 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-11-06 22:33:33,981 INFO L266 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-11-06 22:33:33,981 INFO L266 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,981 INFO L266 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,981 INFO L266 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,981 INFO L266 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,981 INFO L266 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,981 INFO L266 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-11-06 22:33:33,982 INFO L266 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-11-06 22:33:33,982 INFO L266 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-11-06 22:33:33,982 INFO L266 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-11-06 22:33:33,982 INFO L266 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-11-06 22:33:33,982 INFO L266 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-11-06 22:33:33,982 INFO L266 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-11-06 22:33:33,982 INFO L266 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-11-06 22:33:33,982 INFO L266 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-11-06 22:33:33,983 INFO L266 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-11-06 22:33:33,984 INFO L266 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-11-06 22:33:33,984 INFO L266 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-11-06 22:33:33,987 INFO L266 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-11-06 22:33:33,987 INFO L266 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-11-06 22:33:33,987 INFO L266 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-11-06 22:33:33,987 INFO L266 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-11-06 22:33:33,987 INFO L266 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-11-06 22:33:33,987 INFO L266 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-11-06 22:33:33,987 INFO L266 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,987 INFO L266 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,988 INFO L266 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,988 INFO L266 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,988 INFO L266 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,988 INFO L266 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-11-06 22:33:33,988 INFO L266 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-11-06 22:33:33,989 INFO L266 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-11-06 22:33:33,989 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,989 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,989 INFO L266 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-11-06 22:33:33,989 INFO L266 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-11-06 22:33:33,989 INFO L266 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-11-06 22:33:33,989 INFO L266 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-11-06 22:33:33,989 INFO L266 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-11-06 22:33:33,990 INFO L266 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-11-06 22:33:33,991 INFO L266 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-11-06 22:33:33,992 INFO L266 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-11-06 22:33:33,992 INFO L266 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-11-06 22:33:33,992 INFO L266 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,992 INFO L266 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,992 INFO L266 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,992 INFO L266 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,992 INFO L266 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,992 INFO L266 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,993 INFO L266 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,994 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse2 .cse3 (= ~a21~0 1) .cse4 .cse5 .cse6)) (.cse1 (not (= |old(~a21~0)| 1)))) (and (or (not (<= 15 |old(~a8~0)|)) .cse0 .cse1) (or (not (<= |old(~a16~0)| 5)) .cse0 .cse1) (or (not (<= |old(~a8~0)| 13)) (and .cse2 .cse3 (= ~a21~0 |old(~a21~0)|) .cse4 .cse5 .cse6))))) [2020-11-06 22:33:33,994 INFO L266 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,994 INFO L266 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,994 INFO L266 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,994 INFO L266 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-11-06 22:33:33,995 INFO L266 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-11-06 22:33:33,996 INFO L266 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-11-06 22:33:33,997 INFO L266 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-11-06 22:33:33,998 INFO L266 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-11-06 22:33:33,999 INFO L266 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-11-06 22:33:34,000 INFO L266 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-11-06 22:33:34,000 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:33:34,000 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a20~0 1) (= ~a7~0 0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-11-06 22:33:34,000 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:33:34,000 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:33:34,000 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a7~0 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1)) (not (= |old(~a7~0)| 0))) [2020-11-06 22:33:34,000 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-11-06 22:33:34,001 INFO L262 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (not (= |old(~a17~0)| 1)) (and .cse0 (<= 15 ~a8~0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= ~a16~0 5)) (not (= |old(~a21~0)| 1)) (not (= |old(~a7~0)| 0)) (<= ~a8~0 13))) [2020-11-06 22:33:34,001 INFO L266 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-11-06 22:33:34,001 INFO L266 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-06 22:33:34,001 INFO L262 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (not (= |old(~a17~0)| 1)) (and .cse0 (<= 15 ~a8~0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= ~a16~0 5)) (not (= |old(~a21~0)| 1)) (not (= |old(~a7~0)| 0)) (<= ~a8~0 13))) [2020-11-06 22:33:34,001 INFO L266 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-11-06 22:33:34,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:33:34 BoogieIcfgContainer [2020-11-06 22:33:34,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:33:34,029 INFO L168 Benchmark]: Toolchain (without parser) took 25157.11 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 124.5 MB in the beginning and 313.4 MB in the end (delta: -188.8 MB). Peak memory consumption was 224.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:33:34,030 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory was 99.5 MB in the beginning and 99.4 MB in the end (delta: 120.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:33:34,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.96 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 127.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:33:34,031 INFO L168 Benchmark]: Boogie Preprocessor took 154.48 ms. Allocated memory is still 151.0 MB. Free memory was 127.9 MB in the beginning and 123.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:33:34,032 INFO L168 Benchmark]: RCFGBuilder took 1527.07 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 113.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:33:34,033 INFO L168 Benchmark]: TraceAbstraction took 22638.92 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 112.6 MB in the beginning and 313.4 MB in the end (delta: -200.8 MB). Peak memory consumption was 212.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:33:34,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory was 99.5 MB in the beginning and 99.4 MB in the end (delta: 120.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 818.96 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 127.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 154.48 ms. Allocated memory is still 151.0 MB. Free memory was 127.9 MB in the beginning and 123.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1527.07 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 113.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22638.92 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 112.6 MB in the beginning and 313.4 MB in the end (delta: -200.8 MB). Peak memory consumption was 212.3 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: 585]: Loop Invariant Derived loop invariant: (((((((!(\old(a17) == 1) || (a21 == 1 && 15 <= a8)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || (a21 == 1 && a16 <= 5)) || !(\old(a21) == 1)) || !(\old(a7) == 0)) || a8 <= 13 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.4s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 3229 SDslu, 298 SDs, 0 SdLazy, 6457 SolverSat, 1522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 530 GetRequests, 458 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3204occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 569 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 145 PreInvPairs, 237 NumberOfFragments, 341 HoareAnnotationTreeSize, 145 FomulaSimplifications, 62725 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4355 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1021 NumberOfCodeBlocks, 1021 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1013 ConstructedInterpolants, 0 QuantifiedInterpolants, 313082 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1580 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 384/428 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...