/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:35:04,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:35:04,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:35:04,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:35:04,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:35:04,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:35:04,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:35:04,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:35:04,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:35:04,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:35:04,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:35:04,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:35:04,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:35:04,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:35:04,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:35:04,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:35:04,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:35:04,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:35:04,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:35:04,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:35:04,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:35:04,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:35:04,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:35:04,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:35:04,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 22:35:04,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:35:04,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:35:04,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:35:04,905 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 22:35:04,935 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:35:04,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:35:04,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:35:04,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:35:04,939 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:35:04,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:35:04,940 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:35:04,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:35:04,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:35:04,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:35:04,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:35:04,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:35:04,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:35:04,942 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:35:04,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:35:04,942 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:35:04,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:35:04,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:35:04,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:35:04,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:35:04,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:35:04,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:35:04,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:35:04,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:35:04,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:35:04,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:35:04,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:35:04,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:35:04,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:35:04,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:35:05,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:35:05,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:35:05,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:35:05,467 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:35:05,468 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:35:05,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-11-06 22:35:05,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebe86bc4f/ee683a67b22242758209c42b43288278/FLAG7681b01ac [2020-11-06 22:35:06,279 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:35:06,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-11-06 22:35:06,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebe86bc4f/ee683a67b22242758209c42b43288278/FLAG7681b01ac [2020-11-06 22:35:06,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebe86bc4f/ee683a67b22242758209c42b43288278 [2020-11-06 22:35:06,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:35:06,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:35:06,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:35:06,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:35:06,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:35:06,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:06" (1/1) ... [2020-11-06 22:35:06,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96fca4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:06, skipping insertion in model container [2020-11-06 22:35:06,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:06" (1/1) ... [2020-11-06 22:35:06,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:35:06,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:35:07,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:35:07,147 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:35:07,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:35:07,284 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:35:07,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07 WrapperNode [2020-11-06 22:35:07,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:35:07,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:35:07,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:35:07,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:35:07,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (1/1) ... [2020-11-06 22:35:07,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (1/1) ... [2020-11-06 22:35:07,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (1/1) ... [2020-11-06 22:35:07,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (1/1) ... [2020-11-06 22:35:07,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (1/1) ... [2020-11-06 22:35:07,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (1/1) ... [2020-11-06 22:35:07,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (1/1) ... [2020-11-06 22:35:07,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:35:07,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:35:07,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:35:07,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:35:07,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (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 22:35:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:35:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:35:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:35:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:35:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:35:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:35:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:35:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:35:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:35:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:35:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:35:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:35:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:35:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:35:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:35:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:35:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:35:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:35:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:35:08,926 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:35:08,926 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:35:08,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:08 BoogieIcfgContainer [2020-11-06 22:35:08,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:35:08,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:35:08,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:35:08,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:35:08,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:35:06" (1/3) ... [2020-11-06 22:35:08,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ff4951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:35:08, skipping insertion in model container [2020-11-06 22:35:08,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:07" (2/3) ... [2020-11-06 22:35:08,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ff4951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:35:08, skipping insertion in model container [2020-11-06 22:35:08,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:08" (3/3) ... [2020-11-06 22:35:08,940 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2020-11-06 22:35:08,954 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:35:08,959 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:35:08,975 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:35:09,011 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:35:09,012 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:35:09,012 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:35:09,012 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:35:09,012 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:35:09,012 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:35:09,012 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:35:09,013 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:35:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-11-06 22:35:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-06 22:35:09,056 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:09,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:09,058 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:09,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:09,065 INFO L82 PathProgramCache]: Analyzing trace with hash -142401861, now seen corresponding path program 1 times [2020-11-06 22:35:09,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:09,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141575318] [2020-11-06 22:35:09,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:09,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:09,927 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 22:35:09,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141575318] [2020-11-06 22:35:09,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:09,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:35:09,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387822934] [2020-11-06 22:35:09,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:35:09,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:09,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:35:09,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:35:09,954 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2020-11-06 22:35:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:13,212 INFO L93 Difference]: Finished difference Result 703 states and 1239 transitions. [2020-11-06 22:35:13,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:35:13,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-11-06 22:35:13,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:13,236 INFO L225 Difference]: With dead ends: 703 [2020-11-06 22:35:13,236 INFO L226 Difference]: Without dead ends: 424 [2020-11-06 22:35:13,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:35:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-11-06 22:35:13,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 418. [2020-11-06 22:35:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-11-06 22:35:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 604 transitions. [2020-11-06 22:35:13,342 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 604 transitions. Word has length 121 [2020-11-06 22:35:13,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:13,344 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 604 transitions. [2020-11-06 22:35:13,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:35:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 604 transitions. [2020-11-06 22:35:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-06 22:35:13,355 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:13,360 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:13,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:35:13,361 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:13,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:13,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1767920394, now seen corresponding path program 1 times [2020-11-06 22:35:13,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:13,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439711627] [2020-11-06 22:35:13,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:13,639 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-06 22:35:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:13,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:13,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439711627] [2020-11-06 22:35:13,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:13,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:35:13,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973448283] [2020-11-06 22:35:13,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:35:13,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:13,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:35:13,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:35:13,789 INFO L87 Difference]: Start difference. First operand 418 states and 604 transitions. Second operand 8 states. [2020-11-06 22:35:13,973 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-06 22:35:15,211 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-06 22:35:15,759 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-06 22:35:16,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:16,967 INFO L93 Difference]: Finished difference Result 1128 states and 1660 transitions. [2020-11-06 22:35:16,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 22:35:16,969 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-11-06 22:35:16,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:16,981 INFO L225 Difference]: With dead ends: 1128 [2020-11-06 22:35:16,981 INFO L226 Difference]: Without dead ends: 716 [2020-11-06 22:35:16,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:35:16,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-06 22:35:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 702. [2020-11-06 22:35:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-11-06 22:35:17,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 954 transitions. [2020-11-06 22:35:17,087 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 954 transitions. Word has length 138 [2020-11-06 22:35:17,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:17,090 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 954 transitions. [2020-11-06 22:35:17,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:35:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 954 transitions. [2020-11-06 22:35:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-06 22:35:17,097 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:17,101 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:17,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:35:17,102 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:17,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:17,103 INFO L82 PathProgramCache]: Analyzing trace with hash 386520196, now seen corresponding path program 1 times [2020-11-06 22:35:17,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:17,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654975680] [2020-11-06 22:35:17,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:17,288 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-06 22:35:17,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:17,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 22:35:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:17,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:35:17,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654975680] [2020-11-06 22:35:17,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268342139] [2020-11-06 22:35:17,428 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 22:35:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:17,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-06 22:35:17,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-06 22:35:18,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:35:18,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-11-06 22:35:18,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286666602] [2020-11-06 22:35:18,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:35:18,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:18,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:35:18,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:35:18,048 INFO L87 Difference]: Start difference. First operand 702 states and 954 transitions. Second operand 5 states. [2020-11-06 22:35:19,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:19,511 INFO L93 Difference]: Finished difference Result 1847 states and 2641 transitions. [2020-11-06 22:35:19,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:35:19,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-11-06 22:35:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:19,525 INFO L225 Difference]: With dead ends: 1847 [2020-11-06 22:35:19,525 INFO L226 Difference]: Without dead ends: 1151 [2020-11-06 22:35:19,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:35:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2020-11-06 22:35:19,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1121. [2020-11-06 22:35:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-11-06 22:35:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1524 transitions. [2020-11-06 22:35:19,613 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1524 transitions. Word has length 148 [2020-11-06 22:35:19,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:19,614 INFO L481 AbstractCegarLoop]: Abstraction has 1121 states and 1524 transitions. [2020-11-06 22:35:19,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:35:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1524 transitions. [2020-11-06 22:35:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-06 22:35:19,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:19,621 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:19,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:35:19,836 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:19,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:19,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1652325063, now seen corresponding path program 1 times [2020-11-06 22:35:19,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:19,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053303282] [2020-11-06 22:35:19,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:20,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:20,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:20,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:35:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:35:20,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053303282] [2020-11-06 22:35:20,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853423816] [2020-11-06 22:35:20,213 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 22:35:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:20,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:35:20,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-06 22:35:20,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:35:20,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:35:20,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750208027] [2020-11-06 22:35:20,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:35:20,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:20,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:35:20,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:35:20,506 INFO L87 Difference]: Start difference. First operand 1121 states and 1524 transitions. Second operand 3 states. [2020-11-06 22:35:21,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:21,327 INFO L93 Difference]: Finished difference Result 2784 states and 3894 transitions. [2020-11-06 22:35:21,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:35:21,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-11-06 22:35:21,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:21,342 INFO L225 Difference]: With dead ends: 2784 [2020-11-06 22:35:21,342 INFO L226 Difference]: Without dead ends: 1669 [2020-11-06 22:35:21,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:35:21,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-11-06 22:35:21,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1256. [2020-11-06 22:35:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-11-06 22:35:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1665 transitions. [2020-11-06 22:35:21,418 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1665 transitions. Word has length 149 [2020-11-06 22:35:21,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:21,420 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1665 transitions. [2020-11-06 22:35:21,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:35:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1665 transitions. [2020-11-06 22:35:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-06 22:35:21,427 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:21,428 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:21,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:21,642 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:21,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1340725496, now seen corresponding path program 1 times [2020-11-06 22:35:21,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:21,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132629883] [2020-11-06 22:35:21,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:21,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:35:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:35:22,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132629883] [2020-11-06 22:35:22,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462048532] [2020-11-06 22:35:22,008 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 22:35:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:22,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:35:22,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:22,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:35:22,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-11-06 22:35:22,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544592006] [2020-11-06 22:35:22,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:35:22,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:22,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:35:22,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:35:22,225 INFO L87 Difference]: Start difference. First operand 1256 states and 1665 transitions. Second operand 7 states. [2020-11-06 22:35:22,379 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:35:24,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:24,029 INFO L93 Difference]: Finished difference Result 2826 states and 3886 transitions. [2020-11-06 22:35:24,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:35:24,031 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-11-06 22:35:24,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:24,043 INFO L225 Difference]: With dead ends: 2826 [2020-11-06 22:35:24,043 INFO L226 Difference]: Without dead ends: 1576 [2020-11-06 22:35:24,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:35:24,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-11-06 22:35:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1129. [2020-11-06 22:35:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-11-06 22:35:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1462 transitions. [2020-11-06 22:35:24,124 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1462 transitions. Word has length 176 [2020-11-06 22:35:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:24,124 INFO L481 AbstractCegarLoop]: Abstraction has 1129 states and 1462 transitions. [2020-11-06 22:35:24,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:35:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1462 transitions. [2020-11-06 22:35:24,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-06 22:35:24,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:24,130 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:24,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:24,345 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:24,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:24,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1582553677, now seen corresponding path program 1 times [2020-11-06 22:35:24,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:24,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499684591] [2020-11-06 22:35:24,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:24,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:24,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:24,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:35:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:24,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 22:35:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 73 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-06 22:35:24,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499684591] [2020-11-06 22:35:24,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907776145] [2020-11-06 22:35:24,703 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 22:35:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:24,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:35:24,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-06 22:35:24,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:35:24,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:35:24,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703446767] [2020-11-06 22:35:24,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:35:24,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:24,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:35:24,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:35:24,966 INFO L87 Difference]: Start difference. First operand 1129 states and 1462 transitions. Second operand 3 states. [2020-11-06 22:35:25,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:25,587 INFO L93 Difference]: Finished difference Result 2801 states and 3703 transitions. [2020-11-06 22:35:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:35:25,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-11-06 22:35:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:25,589 INFO L225 Difference]: With dead ends: 2801 [2020-11-06 22:35:25,589 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:35:25,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:35:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:35:25,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:35:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:35:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:35:25,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2020-11-06 22:35:25,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:25,597 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:35:25,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:35:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:35:25,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:35:25,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:25,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:35:26,496 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-11-06 22:35:26,612 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2020-11-06 22:35:27,687 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-06 22:35:27,882 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 45 [2020-11-06 22:35:28,092 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 45 [2020-11-06 22:35:28,265 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-11-06 22:35:28,269 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:35:28,269 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:35:28,269 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:35:28,269 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:35:28,269 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:35:28,270 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-11-06 22:35:28,270 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:35:28,270 INFO L266 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,270 INFO L266 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,270 INFO L266 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,270 INFO L266 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,270 INFO L266 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,270 INFO L266 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,271 INFO L266 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-11-06 22:35:28,271 INFO L266 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-11-06 22:35:28,271 INFO L266 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-11-06 22:35:28,271 INFO L266 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-11-06 22:35:28,271 INFO L266 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-11-06 22:35:28,271 INFO L266 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-11-06 22:35:28,271 INFO L266 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-11-06 22:35:28,271 INFO L266 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-11-06 22:35:28,272 INFO L266 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-11-06 22:35:28,272 INFO L266 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-11-06 22:35:28,272 INFO L266 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-11-06 22:35:28,272 INFO L266 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-11-06 22:35:28,272 INFO L266 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,272 INFO L266 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,272 INFO L266 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,272 INFO L266 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-11-06 22:35:28,273 INFO L266 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-11-06 22:35:28,274 INFO L266 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-11-06 22:35:28,274 INFO L266 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-11-06 22:35:28,274 INFO L266 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-11-06 22:35:28,274 INFO L266 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,274 INFO L266 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,274 INFO L266 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,274 INFO L266 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,274 INFO L266 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-11-06 22:35:28,275 INFO L266 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,276 INFO L266 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-11-06 22:35:28,277 INFO L266 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-11-06 22:35:28,278 INFO L266 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-11-06 22:35:28,279 INFO L266 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-11-06 22:35:28,280 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,281 INFO L266 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-11-06 22:35:28,282 INFO L266 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,283 INFO L266 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,284 INFO L266 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,284 INFO L266 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,284 INFO L266 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,284 INFO L266 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-11-06 22:35:28,284 INFO L266 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-11-06 22:35:28,284 INFO L262 CegarLoopResult]: At program point L520(line 520) the Hoare annotation is: (let ((.cse1 (= 14 |old(~a8~0)|)) (.cse0 (not (<= |old(~a16~0)| 5)))) (let ((.cse2 (let ((.cse6 (not (<= |old(~a17~0)| 0)))) (and (or .cse1 .cse6) (or .cse0 .cse6)))) (.cse3 (not (= |old(~a20~0)| 1))) (.cse4 (not (= |old(~a17~0)| 1))) (.cse5 (not (= |old(~a21~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse4 .cse0 .cse3 .cse5) (or .cse2 .cse5) (or .cse3 .cse1 .cse5) (or .cse4 (not (<= 15 |old(~a8~0)|)) .cse5)))) [2020-11-06 22:35:28,284 INFO L266 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-11-06 22:35:28,285 INFO L266 CegarLoopResult]: For program point L520-1(line 520) no Hoare annotation was computed. [2020-11-06 22:35:28,285 INFO L266 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-11-06 22:35:28,285 INFO L266 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-11-06 22:35:28,285 INFO L266 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-11-06 22:35:28,285 INFO L266 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-11-06 22:35:28,285 INFO L266 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,285 INFO L266 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,286 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse8 (= 14 |old(~a8~0)|)) (.cse1 (not (<= |old(~a16~0)| 5))) (.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a21~0 1)) (.cse6 (= ~a20~0 |old(~a20~0)|)) (.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (not (= |old(~a17~0)| 1))) (.cse3 (and .cse9 .cse10 .cse14 .cse6 .cse12 .cse13)) (.cse4 (not (= |old(~a21~0)| 1))) (.cse5 (let ((.cse17 (not (<= |old(~a17~0)| 0)))) (and (or .cse8 .cse17) (or .cse1 .cse17)))) (.cse2 (not (= |old(~a20~0)| 1))) (.cse7 (let ((.cse16 (<= ~a17~0 0))) (or (and .cse10 .cse9 .cse11 .cse16 (not (= 14 ~a8~0)) .cse12 .cse13) (and .cse10 .cse9 .cse11 (<= ~a16~0 5) .cse16 .cse12 .cse13)))) (.cse15 (= ~a20~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 .cse7) .cse4) (or .cse0 (not (<= 15 |old(~a8~0)|)) .cse3 .cse4) (or .cse1 .cse8 (and .cse9 .cse10 .cse11 .cse6 .cse12 .cse13)) (or (and .cse9 .cse10 .cse14 .cse12 .cse13 .cse15) .cse2 .cse8 .cse4) (or .cse5 .cse2 (and .cse7 .cse15))))) [2020-11-06 22:35:28,286 INFO L266 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,286 INFO L266 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,286 INFO L266 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,286 INFO L266 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-11-06 22:35:28,286 INFO L266 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-11-06 22:35:28,286 INFO L266 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-11-06 22:35:28,287 INFO L266 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-11-06 22:35:28,287 INFO L266 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-11-06 22:35:28,287 INFO L266 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-11-06 22:35:28,287 INFO L266 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-11-06 22:35:28,287 INFO L266 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-11-06 22:35:28,287 INFO L266 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-11-06 22:35:28,287 INFO L266 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-11-06 22:35:28,288 INFO L266 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-11-06 22:35:28,289 INFO L266 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,289 INFO L266 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,289 INFO L266 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,289 INFO L266 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,289 INFO L266 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-11-06 22:35:28,289 INFO L266 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,289 INFO L266 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,289 INFO L266 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-11-06 22:35:28,290 INFO L266 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-11-06 22:35:28,291 INFO L266 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-11-06 22:35:28,292 INFO L266 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-11-06 22:35:28,293 INFO L266 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-11-06 22:35:28,293 INFO L266 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-11-06 22:35:28,293 INFO L266 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-11-06 22:35:28,293 INFO L266 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-11-06 22:35:28,293 INFO L266 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-11-06 22:35:28,293 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:35:28,293 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-11-06 22:35:28,293 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:35:28,294 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:35:28,294 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a21~0)| 1))) [2020-11-06 22:35:28,294 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-11-06 22:35:28,294 INFO L262 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (not (= 14 ~a8~0))) (.cse4 (<= ~a16~0 5))) (let ((.cse0 (= ~a17~0 1)) (.cse3 (= ~a20~0 1)) (.cse1 (= ~a21~0 1)) (.cse5 (let ((.cse6 (<= ~a17~0 0))) (or (and .cse6 .cse2) (and .cse4 .cse6))))) (or (and (= ~a21~0 |old(~a21~0)|) (<= 15 ~a8~0) .cse0) (not (= |old(~a17~0)| 1)) (and .cse1 .cse2 .cse3) (and .cse4 .cse2) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse4 .cse3 .cse0) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse5 .cse3) (not (= |old(~a21~0)| 1)) (and .cse1 .cse5)))) [2020-11-06 22:35:28,294 INFO L266 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-11-06 22:35:28,294 INFO L266 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-06 22:35:28,295 INFO L262 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse2 (not (= 14 ~a8~0))) (.cse4 (<= ~a16~0 5))) (let ((.cse0 (= ~a17~0 1)) (.cse3 (= ~a20~0 1)) (.cse1 (= ~a21~0 1)) (.cse5 (let ((.cse6 (<= ~a17~0 0))) (or (and .cse6 .cse2) (and .cse4 .cse6))))) (or (and (= ~a21~0 |old(~a21~0)|) (<= 15 ~a8~0) .cse0) (not (= |old(~a17~0)| 1)) (and .cse1 .cse2 .cse3) (and .cse4 .cse2) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse4 .cse3 .cse0) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse5 .cse3) (not (= |old(~a21~0)| 1)) (and .cse1 .cse5)))) [2020-11-06 22:35:28,295 INFO L266 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-11-06 22:35:28,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:35:28 BoogieIcfgContainer [2020-11-06 22:35:28,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:35:28,316 INFO L168 Benchmark]: Toolchain (without parser) took 21783.98 ms. Allocated memory was 158.3 MB in the beginning and 337.6 MB in the end (delta: 179.3 MB). Free memory was 131.4 MB in the beginning and 115.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 201.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:35:28,317 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 158.3 MB. Free memory is still 131.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:35:28,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.12 ms. Allocated memory is still 158.3 MB. Free memory was 130.5 MB in the beginning and 104.1 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:35:28,319 INFO L168 Benchmark]: Boogie Preprocessor took 177.05 ms. Allocated memory is still 158.3 MB. Free memory was 103.7 MB in the beginning and 99.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:35:28,319 INFO L168 Benchmark]: RCFGBuilder took 1464.65 ms. Allocated memory is still 158.3 MB. Free memory was 99.0 MB in the beginning and 78.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:35:28,320 INFO L168 Benchmark]: TraceAbstraction took 19383.65 ms. Allocated memory was 158.3 MB in the beginning and 337.6 MB in the end (delta: 179.3 MB). Free memory was 77.6 MB in the beginning and 115.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 145.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:35:28,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 158.3 MB. Free memory is still 131.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 742.12 ms. Allocated memory is still 158.3 MB. Free memory was 130.5 MB in the beginning and 104.1 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 177.05 ms. Allocated memory is still 158.3 MB. Free memory was 103.7 MB in the beginning and 99.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1464.65 ms. Allocated memory is still 158.3 MB. Free memory was 99.0 MB in the beginning and 78.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19383.65 ms. Allocated memory was 158.3 MB in the beginning and 337.6 MB in the end (delta: 179.3 MB). Free memory was 77.6 MB in the beginning and 115.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 145.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((((((a21 == \old(a21) && 15 <= a8) && a17 == 1) || !(\old(a17) == 1)) || ((a21 == 1 && !(14 == a8)) && a20 == 1)) || (a16 <= 5 && !(14 == a8))) || !(\old(a16) <= 5)) || (((a21 == 1 && a16 <= 5) && a20 == 1) && a17 == 1)) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || (((a17 <= 0 && !(14 == a8)) || (a16 <= 5 && a17 <= 0)) && a20 == 1)) || !(\old(a21) == 1)) || (a21 == 1 && ((a17 <= 0 && !(14 == a8)) || (a16 <= 5 && a17 <= 0))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.7s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 353 SDtfs, 2292 SDslu, 175 SDs, 0 SdLazy, 3775 SolverSat, 1050 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 739 GetRequests, 687 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1256occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 910 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 104 PreInvPairs, 128 NumberOfFragments, 722 HoareAnnotationTreeSize, 104 FomulaSimplifications, 17578 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2899 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1587 NumberOfCodeBlocks, 1587 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1577 ConstructedInterpolants, 0 QuantifiedInterpolants, 580886 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2135 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 433/458 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...