/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_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:37:59,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:37:59,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:37:59,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:37:59,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:37:59,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:37:59,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:37:59,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:37:59,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:37:59,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:37:59,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:37:59,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:37:59,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:37:59,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:37:59,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:37:59,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:37:59,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 22:37:59,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:37:59,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:37:59,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:37:59,266 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 22:37:59,294 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:37:59,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:37:59,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:37:59,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:37:59,297 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:37:59,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:37:59,297 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:37:59,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:37:59,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:37:59,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:37:59,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:37:59,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:37:59,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:37:59,299 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:37:59,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:37:59,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:37:59,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:37:59,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:37:59,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:37:59,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:37:59,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:37:59,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:37:59,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:37:59,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:37:59,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:37:59,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:37:59,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:37:59,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:37:59,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:37:59,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:37:59,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:37:59,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:37:59,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:37:59,763 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:37:59,764 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:37:59,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-11-06 22:37:59,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10cb4db25/212dea3d11d44b00b5ccbd096e5508b0/FLAG7632f9e83 [2020-11-06 22:38:00,620 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:38:00,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-11-06 22:38:00,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10cb4db25/212dea3d11d44b00b5ccbd096e5508b0/FLAG7632f9e83 [2020-11-06 22:38:00,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10cb4db25/212dea3d11d44b00b5ccbd096e5508b0 [2020-11-06 22:38:00,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:38:00,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:38:00,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:38:00,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:38:00,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:38:00,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:00" (1/1) ... [2020-11-06 22:38:00,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de1bd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:00, skipping insertion in model container [2020-11-06 22:38:00,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:00" (1/1) ... [2020-11-06 22:38:00,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:38:00,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:38:01,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:38:01,523 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:38:01,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:38:01,729 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:38:01,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01 WrapperNode [2020-11-06 22:38:01,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:38:01,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:38:01,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:38:01,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:38:01,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:38:01,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:38:01,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:38:01,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:38:01,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (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 22:38:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:38:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:38:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:38:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:38:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:38:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:38:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:38:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:38:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:38:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:38:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:38:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:38:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:38:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:38:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:38:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:38:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:38:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:38:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:38:03,552 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:38:03,553 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:38:03,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:03 BoogieIcfgContainer [2020-11-06 22:38:03,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:38:03,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:38:03,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:38:03,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:38:03,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:38:00" (1/3) ... [2020-11-06 22:38:03,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63066a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:03, skipping insertion in model container [2020-11-06 22:38:03,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01" (2/3) ... [2020-11-06 22:38:03,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63066a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:03, skipping insertion in model container [2020-11-06 22:38:03,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:03" (3/3) ... [2020-11-06 22:38:03,567 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-11-06 22:38:03,587 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:38:03,592 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:38:03,608 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:38:03,644 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:38:03,644 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:38:03,644 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:38:03,644 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:38:03,644 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:38:03,645 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:38:03,645 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:38:03,645 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:38:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:38:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-06 22:38:03,689 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:03,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:03,691 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:03,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:03,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1927775789, now seen corresponding path program 1 times [2020-11-06 22:38:03,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:03,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504975883] [2020-11-06 22:38:03,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:04,470 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:38:04,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:04,544 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 22:38:04,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504975883] [2020-11-06 22:38:04,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:38:04,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:38:04,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868831016] [2020-11-06 22:38:04,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:38:04,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:04,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:38:04,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:38:04,577 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:38:06,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:06,671 INFO L93 Difference]: Finished difference Result 654 states and 1108 transitions. [2020-11-06 22:38:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:38:06,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-11-06 22:38:06,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:06,693 INFO L225 Difference]: With dead ends: 654 [2020-11-06 22:38:06,693 INFO L226 Difference]: Without dead ends: 340 [2020-11-06 22:38:06,701 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 22:38:06,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-11-06 22:38:06,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 329. [2020-11-06 22:38:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-11-06 22:38:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 472 transitions. [2020-11-06 22:38:06,813 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 472 transitions. Word has length 111 [2020-11-06 22:38:06,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:06,814 INFO L481 AbstractCegarLoop]: Abstraction has 329 states and 472 transitions. [2020-11-06 22:38:06,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:38:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 472 transitions. [2020-11-06 22:38:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-06 22:38:06,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:06,828 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:06,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:38:06,830 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:06,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:06,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1457776321, now seen corresponding path program 1 times [2020-11-06 22:38:06,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:06,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574149105] [2020-11-06 22:38:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:07,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:07,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:38:07,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574149105] [2020-11-06 22:38:07,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:38:07,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:38:07,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529865225] [2020-11-06 22:38:07,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:38:07,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:07,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:38:07,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:38:07,169 INFO L87 Difference]: Start difference. First operand 329 states and 472 transitions. Second operand 8 states. [2020-11-06 22:38:10,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:10,395 INFO L93 Difference]: Finished difference Result 1270 states and 1899 transitions. [2020-11-06 22:38:10,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:38:10,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-11-06 22:38:10,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:10,404 INFO L225 Difference]: With dead ends: 1270 [2020-11-06 22:38:10,405 INFO L226 Difference]: Without dead ends: 947 [2020-11-06 22:38:10,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:38:10,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2020-11-06 22:38:10,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 928. [2020-11-06 22:38:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 928 states. [2020-11-06 22:38:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1251 transitions. [2020-11-06 22:38:10,494 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1251 transitions. Word has length 123 [2020-11-06 22:38:10,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:10,494 INFO L481 AbstractCegarLoop]: Abstraction has 928 states and 1251 transitions. [2020-11-06 22:38:10,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:38:10,494 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1251 transitions. [2020-11-06 22:38:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-06 22:38:10,498 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:10,499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:10,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:38:10,499 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:10,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:10,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1592137738, now seen corresponding path program 1 times [2020-11-06 22:38:10,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:10,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972998313] [2020-11-06 22:38:10,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,892 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 22:38:10,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972998313] [2020-11-06 22:38:10,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998497508] [2020-11-06 22:38:10,902 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 22:38:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:11,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 22:38:11,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:11,312 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 22:38:11,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:11,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-11-06 22:38:11,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366234695] [2020-11-06 22:38:11,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:38:11,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:11,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:38:11,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:38:11,316 INFO L87 Difference]: Start difference. First operand 928 states and 1251 transitions. Second operand 7 states. [2020-11-06 22:38:11,738 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:38:15,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:15,480 INFO L93 Difference]: Finished difference Result 3708 states and 5429 transitions. [2020-11-06 22:38:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 22:38:15,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-11-06 22:38:15,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:15,517 INFO L225 Difference]: With dead ends: 3708 [2020-11-06 22:38:15,518 INFO L226 Difference]: Without dead ends: 2786 [2020-11-06 22:38:15,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:38:15,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2020-11-06 22:38:15,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2591. [2020-11-06 22:38:15,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2591 states. [2020-11-06 22:38:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3440 transitions. [2020-11-06 22:38:15,673 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3440 transitions. Word has length 124 [2020-11-06 22:38:15,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:15,673 INFO L481 AbstractCegarLoop]: Abstraction has 2591 states and 3440 transitions. [2020-11-06 22:38:15,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:38:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3440 transitions. [2020-11-06 22:38:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-06 22:38:15,682 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:15,682 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:15,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:38:15,896 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:15,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:15,898 INFO L82 PathProgramCache]: Analyzing trace with hash 594210294, now seen corresponding path program 1 times [2020-11-06 22:38:15,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:15,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966034020] [2020-11-06 22:38:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:16,156 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:38:16,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:16,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 22:38:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:38:16,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966034020] [2020-11-06 22:38:16,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807217329] [2020-11-06 22:38:16,307 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 22:38:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:16,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:16,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-06 22:38:16,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:38:16,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-06 22:38:16,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440779100] [2020-11-06 22:38:16,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:38:16,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:16,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:38:16,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:38:16,592 INFO L87 Difference]: Start difference. First operand 2591 states and 3440 transitions. Second operand 3 states. [2020-11-06 22:38:17,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:17,533 INFO L93 Difference]: Finished difference Result 5908 states and 8015 transitions. [2020-11-06 22:38:17,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:38:17,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-11-06 22:38:17,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:17,560 INFO L225 Difference]: With dead ends: 5908 [2020-11-06 22:38:17,560 INFO L226 Difference]: Without dead ends: 3323 [2020-11-06 22:38:17,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 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 22:38:17,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2020-11-06 22:38:17,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3323. [2020-11-06 22:38:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3323 states. [2020-11-06 22:38:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 3323 states and 4050 transitions. [2020-11-06 22:38:17,717 INFO L78 Accepts]: Start accepts. Automaton has 3323 states and 4050 transitions. Word has length 134 [2020-11-06 22:38:17,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:17,718 INFO L481 AbstractCegarLoop]: Abstraction has 3323 states and 4050 transitions. [2020-11-06 22:38:17,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:38:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 4050 transitions. [2020-11-06 22:38:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-06 22:38:17,728 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:17,728 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:17,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:17,943 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:17,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:17,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1088662092, now seen corresponding path program 1 times [2020-11-06 22:38:17,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:17,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614536237] [2020-11-06 22:38:17,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:18,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:18,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:18,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 22:38:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:38:18,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614536237] [2020-11-06 22:38:18,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949887416] [2020-11-06 22:38:18,172 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 22:38:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:18,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-06 22:38:18,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-06 22:38:18,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:38:18,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-11-06 22:38:18,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291635424] [2020-11-06 22:38:18,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:38:18,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:18,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:38:18,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:38:18,390 INFO L87 Difference]: Start difference. First operand 3323 states and 4050 transitions. Second operand 5 states. [2020-11-06 22:38:19,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:19,549 INFO L93 Difference]: Finished difference Result 8365 states and 10729 transitions. [2020-11-06 22:38:19,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:38:19,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-11-06 22:38:19,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:19,586 INFO L225 Difference]: With dead ends: 8365 [2020-11-06 22:38:19,586 INFO L226 Difference]: Without dead ends: 4894 [2020-11-06 22:38:19,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:38:19,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4894 states. [2020-11-06 22:38:19,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4894 to 4806. [2020-11-06 22:38:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4806 states. [2020-11-06 22:38:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 5718 transitions. [2020-11-06 22:38:19,824 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 5718 transitions. Word has length 146 [2020-11-06 22:38:19,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:19,824 INFO L481 AbstractCegarLoop]: Abstraction has 4806 states and 5718 transitions. [2020-11-06 22:38:19,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:38:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 5718 transitions. [2020-11-06 22:38:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-06 22:38:19,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:19,838 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 22:38:20,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:20,052 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:20,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:20,053 INFO L82 PathProgramCache]: Analyzing trace with hash -914748344, now seen corresponding path program 1 times [2020-11-06 22:38:20,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:20,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544066059] [2020-11-06 22:38:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:20,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:20,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:38:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-11-06 22:38:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:20,454 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 57 proven. 18 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-06 22:38:20,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544066059] [2020-11-06 22:38:20,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433437066] [2020-11-06 22:38:20,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:20,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:20,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-06 22:38:20,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:20,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-11-06 22:38:20,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938918463] [2020-11-06 22:38:20,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:38:20,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:20,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:38:20,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:38:20,748 INFO L87 Difference]: Start difference. First operand 4806 states and 5718 transitions. Second operand 10 states. [2020-11-06 22:38:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:22,908 INFO L93 Difference]: Finished difference Result 9492 states and 11325 transitions. [2020-11-06 22:38:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:38:22,908 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-11-06 22:38:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:22,964 INFO L225 Difference]: With dead ends: 9492 [2020-11-06 22:38:22,964 INFO L226 Difference]: Without dead ends: 3781 [2020-11-06 22:38:22,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:38:22,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3781 states. [2020-11-06 22:38:23,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3781 to 3769. [2020-11-06 22:38:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3769 states. [2020-11-06 22:38:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 4291 transitions. [2020-11-06 22:38:23,112 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 4291 transitions. Word has length 169 [2020-11-06 22:38:23,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:23,113 INFO L481 AbstractCegarLoop]: Abstraction has 3769 states and 4291 transitions. [2020-11-06 22:38:23,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:38:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 4291 transitions. [2020-11-06 22:38:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-06 22:38:23,125 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:23,126 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-06 22:38:23,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:23,340 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:23,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:23,342 INFO L82 PathProgramCache]: Analyzing trace with hash -916449441, now seen corresponding path program 1 times [2020-11-06 22:38:23,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:23,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038477480] [2020-11-06 22:38:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 22:38:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 22:38:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-06 22:38:23,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038477480] [2020-11-06 22:38:23,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:38:23,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:38:23,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806977751] [2020-11-06 22:38:23,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:38:23,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:23,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:38:23,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:38:23,612 INFO L87 Difference]: Start difference. First operand 3769 states and 4291 transitions. Second operand 6 states. [2020-11-06 22:38:24,034 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:38:25,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:25,421 INFO L93 Difference]: Finished difference Result 6758 states and 7670 transitions. [2020-11-06 22:38:25,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:38:25,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2020-11-06 22:38:25,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:25,428 INFO L225 Difference]: With dead ends: 6758 [2020-11-06 22:38:25,428 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:38:25,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:38:25,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:38:25,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:38:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:38:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:38:25,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2020-11-06 22:38:25,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:25,451 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:38:25,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:38:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:38:25,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:38:25,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 22:38:25,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:38:25,955 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 142 [2020-11-06 22:38:26,095 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 142 [2020-11-06 22:38:26,288 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2020-11-06 22:38:27,872 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2020-11-06 22:38:28,325 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2020-11-06 22:38:28,723 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2020-11-06 22:38:28,950 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2020-11-06 22:38:28,955 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:38:28,956 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:38:28,956 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:38:28,956 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:38:28,956 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:28,959 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 22:38:28,959 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:28,959 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:38:28,959 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:28,960 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:38:28,961 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:28,961 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:28,961 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:38:28,961 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:38:28,962 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,962 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,962 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,962 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,963 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,963 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:38:28,964 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:38:28,964 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:38:28,964 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:38:28,964 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:38:28,965 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:38:28,965 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:38:28,966 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:38:28,966 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:38:28,966 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:38:28,966 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:28,966 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:28,967 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:38:28,967 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,967 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,968 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,968 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,968 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:38:28,971 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,971 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:38:28,971 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:38:28,971 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:38:28,971 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:38:28,971 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:38:28,971 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:38:28,972 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:38:28,973 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:38:28,974 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:38:28,974 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:38:28,974 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:38:28,974 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:38:28,974 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:38:28,974 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:38:28,974 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,974 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:38:28,975 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,976 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:38:28,977 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:28,978 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,979 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,980 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,980 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,980 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,980 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,980 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:38:28,980 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:38:28,980 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:38:28,980 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:38:28,981 INFO L262 CegarLoopResult]: At program point L486(line 486) the Hoare annotation is: (let ((.cse4 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse3 (= 10 |old(~a28~0)|)) (.cse0 (not (= |old(~a25~0)| 1))) (.cse2 (not (<= |old(~a11~0)| 0))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse6 (not (<= |old(~a28~0)| 10))) (.cse7 (not (<= 10 |old(~a28~0)|))) (.cse5 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or (not (<= |old(~a28~0)| 7)) .cse5) (or .cse6 .cse5 .cse4) (or .cse1 .cse5) (or .cse6 .cse3 .cse2) (or .cse0 .cse6 .cse2) (or .cse6 .cse1 .cse7) (or .cse6 .cse7 .cse5))) [2020-11-06 22:38:28,981 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:38:28,981 INFO L266 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2020-11-06 22:38:28,981 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:38:28,981 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:38:28,981 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:38:28,981 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:38:28,981 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:38:28,981 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:38:28,982 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:38:28,983 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:38:28,983 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:38:28,983 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:38:28,983 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse10 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|))) (let ((.cse14 (and .cse10 .cse2 .cse3 .cse16 .cse7)) (.cse15 (= 10 |old(~a28~0)|)) (.cse11 (= ~a25~0 ~a11~0)) (.cse13 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse9 (not (<= |old(~a11~0)| 0))) (.cse5 (= ~a25~0 1)) (.cse12 (not (= |old(~a11~0)| 1))) (.cse1 (not (<= |old(~a28~0)| 10))) (.cse17 (not (= |old(~a19~0)| 1))) (.cse8 (not (<= 10 |old(~a28~0)|))) (.cse4 (<= 10 ~a28~0)) (.cse18 (= ~a19~0 1)) (.cse6 (<= ~a28~0 10))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse1 (and .cse10 .cse11 .cse2 .cse5 .cse7) .cse12 .cse13) (or (not (<= |old(~a28~0)| 7)) .cse14 .cse12) (or .cse1 .cse14 .cse15 .cse9) (or .cse15 .cse9 (and .cse10 .cse11 .cse2 .cse16 .cse7) .cse13) (or .cse17 (and .cse10 .cse2 .cse3 .cse18 .cse16) .cse12) (or .cse0 .cse17 .cse9 (and .cse10 .cse2 .cse3 .cse18 .cse5)) (or .cse1 (and .cse2 .cse3 .cse4 .cse16 .cse6 .cse7) .cse8 .cse12) (or .cse1 .cse17 .cse8 (and .cse2 .cse3 .cse4 .cse18 .cse16 .cse6))))) [2020-11-06 22:38:28,983 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:38:28,983 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:38:28,984 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:38:28,984 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:38:28,984 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:38:28,984 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:38:28,984 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:38:28,984 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,984 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,984 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:38:28,985 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,986 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:38:28,987 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:38:28,988 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:38:28,988 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:38:28,988 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:38:28,988 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:38:28,988 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:38:28,988 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:38:28,988 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:28,988 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:28,989 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:38:28,990 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:38:28,990 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:38:28,990 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:38:28,990 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:28,990 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7)) [2020-11-06 22:38:28,990 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:38:28,990 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:28,991 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (<= 10 ~a28~0)) (.cse3 (= ~a11~0 1)) (.cse0 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse5 (<= ~a11~0 0)) (.cse6 (not (= ~a28~0 10))) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse3 .cse2) (and .cse5 (= ~a25~0 ~a11~0) .cse6) (and .cse1 .cse3 .cse2) (and .cse5 .cse4 .cse2) (and (<= ~a28~0 7) .cse3) (and .cse5 .cse0 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse6 .cse2) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:38:28,991 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 (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:38:28,991 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:28,991 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:28,991 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (<= 10 ~a28~0)) (.cse3 (= ~a11~0 1)) (.cse0 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse5 (<= ~a11~0 0)) (.cse6 (not (= ~a28~0 10))) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse3 .cse2) (and .cse5 (= ~a25~0 ~a11~0) .cse6) (and .cse1 .cse3 .cse2) (and .cse5 .cse4 .cse2) (and (<= ~a28~0 7) .cse3) (and .cse5 .cse0 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse6 .cse2) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:38:28,992 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:38:28,992 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:38:29,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:29 BoogieIcfgContainer [2020-11-06 22:38:29,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:38:29,018 INFO L168 Benchmark]: Toolchain (without parser) took 28146.08 ms. Allocated memory was 125.8 MB in the beginning and 406.8 MB in the end (delta: 281.0 MB). Free memory was 99.3 MB in the beginning and 291.7 MB in the end (delta: -192.3 MB). Peak memory consumption was 240.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:29,019 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 88.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:38:29,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.37 ms. Allocated memory was 125.8 MB in the beginning and 152.0 MB in the end (delta: 26.2 MB). Free memory was 98.6 MB in the beginning and 131.8 MB in the end (delta: -33.2 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:29,020 INFO L168 Benchmark]: Boogie Preprocessor took 193.99 ms. Allocated memory is still 152.0 MB. Free memory was 131.8 MB in the beginning and 127.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:29,021 INFO L168 Benchmark]: RCFGBuilder took 1629.37 ms. Allocated memory is still 152.0 MB. Free memory was 126.7 MB in the beginning and 69.0 MB in the end (delta: 57.7 MB). Peak memory consumption was 58.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:29,022 INFO L168 Benchmark]: TraceAbstraction took 25458.10 ms. Allocated memory was 152.0 MB in the beginning and 406.8 MB in the end (delta: 254.8 MB). Free memory was 68.4 MB in the beginning and 291.7 MB in the end (delta: -223.2 MB). Peak memory consumption was 182.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:29,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 88.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 849.37 ms. Allocated memory was 125.8 MB in the beginning and 152.0 MB in the end (delta: 26.2 MB). Free memory was 98.6 MB in the beginning and 131.8 MB in the end (delta: -33.2 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 193.99 ms. Allocated memory is still 152.0 MB. Free memory was 131.8 MB in the beginning and 127.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1629.37 ms. Allocated memory is still 152.0 MB. Free memory was 126.7 MB in the beginning and 69.0 MB in the end (delta: 57.7 MB). Peak memory consumption was 58.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25458.10 ms. Allocated memory was 152.0 MB in the beginning and 406.8 MB in the end (delta: 254.8 MB). Free memory was 68.4 MB in the beginning and 291.7 MB in the end (delta: -223.2 MB). Peak memory consumption was 182.0 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: (((((((((((((a19 == 1 && 10 <= a28) && a28 <= 10) || (a19 == 1 && a11 == 1)) || !(\old(a19) == 1)) || ((a25 == 1 && a11 == 1) && a28 <= 10)) || ((a11 <= 0 && a25 == a11) && !(a28 == 10))) || ((10 <= a28 && a11 == 1) && a28 <= 10)) || ((a11 <= 0 && a25 == 1) && a28 <= 10)) || (a28 <= 7 && a11 == 1)) || ((a11 <= 0 && a19 == 1) && a25 == 1)) || !(\old(a28) <= 7)) || ((a11 <= 0 && !(a28 == 10)) && a28 <= 10)) || !(\old(a11) <= 0)) || !(\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: 21.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 498 SDtfs, 3771 SDslu, 471 SDs, 0 SdLazy, 6543 SolverSat, 1074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4806occurred 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: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 325 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 281 PreInvPairs, 339 NumberOfFragments, 709 HoareAnnotationTreeSize, 281 FomulaSimplifications, 27932 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4825 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1579 NumberOfCodeBlocks, 1579 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1568 ConstructedInterpolants, 0 QuantifiedInterpolants, 490382 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1829 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 417/458 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...