/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:34:37,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:34:37,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:34:37,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:34:37,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:34:37,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:34:37,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:34:37,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:34:37,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:34:37,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:34:37,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:34:37,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:34:37,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:34:37,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:34:37,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:34:37,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:34:37,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:34:37,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:34:37,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:34:37,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:34:37,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:34:37,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:34:37,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:34:37,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:34:37,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:34:37,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:34:37,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:34:37,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:34:37,897 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 [2020-10-23 18:34:37,925 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:34:37,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:34:37,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:34:37,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:34:37,928 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:34:37,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:34:37,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:34:37,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:34:37,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:34:37,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:34:37,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:34:37,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:34:37,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:34:37,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:34:37,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:34:37,931 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:34:37,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:34:37,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:34:37,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:34:37,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:34:37,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:34:37,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:34:37,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:34:37,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:34:37,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:34:37,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:34:37,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:34:37,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:34:37,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:34:37,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:34:38,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:34:38,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:34:38,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:34:38,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:34:38,368 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:34:38,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-10-23 18:34:38,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6288db9e9/f83fd319e58044d9b3401cc2a7e84817/FLAG0716ba076 [2020-10-23 18:34:39,293 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:34:39,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-10-23 18:34:39,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6288db9e9/f83fd319e58044d9b3401cc2a7e84817/FLAG0716ba076 [2020-10-23 18:34:39,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6288db9e9/f83fd319e58044d9b3401cc2a7e84817 [2020-10-23 18:34:39,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:34:39,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:34:39,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:34:39,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:34:39,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:34:39,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:34:39" (1/1) ... [2020-10-23 18:34:39,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7653d3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:39, skipping insertion in model container [2020-10-23 18:34:39,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:34:39" (1/1) ... [2020-10-23 18:34:39,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:34:39,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:34:40,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:34:40,086 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:34:40,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:34:40,278 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:34:40,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40 WrapperNode [2020-10-23 18:34:40,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:34:40,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:34:40,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:34:40,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:34:40,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (1/1) ... [2020-10-23 18:34:40,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (1/1) ... [2020-10-23 18:34:40,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (1/1) ... [2020-10-23 18:34:40,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (1/1) ... [2020-10-23 18:34:40,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (1/1) ... [2020-10-23 18:34:40,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (1/1) ... [2020-10-23 18:34:40,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (1/1) ... [2020-10-23 18:34:40,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:34:40,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:34:40,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:34:40,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:34:40,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (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 [2020-10-23 18:34:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:34:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:34:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:34:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:34:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:34:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:34:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:34:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:34:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:34:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:34:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:34:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:34:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:34:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:34:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:34:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:34:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:34:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:34:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:34:41,902 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:34:41,903 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:34:41,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:34:41 BoogieIcfgContainer [2020-10-23 18:34:41,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:34:41,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:34:41,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:34:41,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:34:41,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:34:39" (1/3) ... [2020-10-23 18:34:41,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9670c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:34:41, skipping insertion in model container [2020-10-23 18:34:41,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:40" (2/3) ... [2020-10-23 18:34:41,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9670c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:34:41, skipping insertion in model container [2020-10-23 18:34:41,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:34:41" (3/3) ... [2020-10-23 18:34:41,919 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-10-23 18:34:41,934 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:34:41,940 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:34:41,956 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:34:42,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:34:42,004 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:34:42,004 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:34:42,005 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:34:42,005 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:34:42,005 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:34:42,005 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:34:42,005 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:34:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:34:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-23 18:34:42,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:42,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:42,047 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:42,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:42,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1756184309, now seen corresponding path program 1 times [2020-10-23 18:34:42,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:42,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000278160] [2020-10-23 18:34:42,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:42,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:42,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000278160] [2020-10-23 18:34:42,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:42,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:34:42,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685589309] [2020-10-23 18:34:42,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:34:42,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:42,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:34:42,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:34:42,803 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:34:44,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:44,726 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-10-23 18:34:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:34:44,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2020-10-23 18:34:44,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:44,764 INFO L225 Difference]: With dead ends: 676 [2020-10-23 18:34:44,764 INFO L226 Difference]: Without dead ends: 342 [2020-10-23 18:34:44,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:34:44,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-23 18:34:44,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-10-23 18:34:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-23 18:34:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-10-23 18:34:44,860 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 97 [2020-10-23 18:34:44,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:44,861 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-10-23 18:34:44,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:34:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-10-23 18:34:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-23 18:34:44,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:44,868 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:44,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:34:44,869 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:44,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:44,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1860414273, now seen corresponding path program 1 times [2020-10-23 18:34:44,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:44,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138218116] [2020-10-23 18:34:44,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:45,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:45,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:45,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138218116] [2020-10-23 18:34:45,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:45,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:34:45,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437501000] [2020-10-23 18:34:45,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:34:45,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:45,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:34:45,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:34:45,232 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 7 states. [2020-10-23 18:34:45,393 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:34:45,952 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:34:47,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:47,338 INFO L93 Difference]: Finished difference Result 982 states and 1451 transitions. [2020-10-23 18:34:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:34:47,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 105 [2020-10-23 18:34:47,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:47,353 INFO L225 Difference]: With dead ends: 982 [2020-10-23 18:34:47,354 INFO L226 Difference]: Without dead ends: 655 [2020-10-23 18:34:47,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:34:47,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-10-23 18:34:47,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 640. [2020-10-23 18:34:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-23 18:34:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 885 transitions. [2020-10-23 18:34:47,452 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 885 transitions. Word has length 105 [2020-10-23 18:34:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:47,453 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 885 transitions. [2020-10-23 18:34:47,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:34:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 885 transitions. [2020-10-23 18:34:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-23 18:34:47,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:47,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:47,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:34:47,461 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:47,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:47,462 INFO L82 PathProgramCache]: Analyzing trace with hash 101745790, now seen corresponding path program 1 times [2020-10-23 18:34:47,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:47,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171070390] [2020-10-23 18:34:47,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:47,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:47,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171070390] [2020-10-23 18:34:47,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231348364] [2020-10-23 18:34:47,692 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 [2020-10-23 18:34:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:47,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-23 18:34:47,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 18:34:47,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:47,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-10-23 18:34:48,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637331785] [2020-10-23 18:34:48,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:34:48,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:48,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:34:48,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:34:48,002 INFO L87 Difference]: Start difference. First operand 640 states and 885 transitions. Second operand 7 states. [2020-10-23 18:34:48,248 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:50,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:50,542 INFO L93 Difference]: Finished difference Result 2065 states and 3038 transitions. [2020-10-23 18:34:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:34:50,543 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-10-23 18:34:50,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:50,555 INFO L225 Difference]: With dead ends: 2065 [2020-10-23 18:34:50,555 INFO L226 Difference]: Without dead ends: 1431 [2020-10-23 18:34:50,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:34:50,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2020-10-23 18:34:50,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1405. [2020-10-23 18:34:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1405 states. [2020-10-23 18:34:50,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 1954 transitions. [2020-10-23 18:34:50,664 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 1954 transitions. Word has length 110 [2020-10-23 18:34:50,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:50,668 INFO L481 AbstractCegarLoop]: Abstraction has 1405 states and 1954 transitions. [2020-10-23 18:34:50,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:34:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1954 transitions. [2020-10-23 18:34:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-23 18:34:50,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:50,684 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:50,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:34:50,892 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:50,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:50,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2098031052, now seen corresponding path program 1 times [2020-10-23 18:34:50,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:50,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282839663] [2020-10-23 18:34:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:51,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:51,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282839663] [2020-10-23 18:34:51,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:51,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:34:51,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430666606] [2020-10-23 18:34:51,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:34:51,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:51,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:34:51,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:34:51,233 INFO L87 Difference]: Start difference. First operand 1405 states and 1954 transitions. Second operand 7 states. [2020-10-23 18:34:51,388 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:52,119 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:34:53,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:53,448 INFO L93 Difference]: Finished difference Result 4232 states and 6347 transitions. [2020-10-23 18:34:53,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:34:53,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-10-23 18:34:53,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:53,474 INFO L225 Difference]: With dead ends: 4232 [2020-10-23 18:34:53,474 INFO L226 Difference]: Without dead ends: 2833 [2020-10-23 18:34:53,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:34:53,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2020-10-23 18:34:53,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2775. [2020-10-23 18:34:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2775 states. [2020-10-23 18:34:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3820 transitions. [2020-10-23 18:34:53,624 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3820 transitions. Word has length 123 [2020-10-23 18:34:53,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:53,625 INFO L481 AbstractCegarLoop]: Abstraction has 2775 states and 3820 transitions. [2020-10-23 18:34:53,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:34:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3820 transitions. [2020-10-23 18:34:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-23 18:34:53,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:53,633 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:53,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:34:53,634 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:53,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:53,635 INFO L82 PathProgramCache]: Analyzing trace with hash -808017167, now seen corresponding path program 1 times [2020-10-23 18:34:53,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:53,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374628166] [2020-10-23 18:34:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:53,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:53,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374628166] [2020-10-23 18:34:53,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:53,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:34:53,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097489141] [2020-10-23 18:34:53,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:34:53,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:53,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:34:53,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:53,864 INFO L87 Difference]: Start difference. First operand 2775 states and 3820 transitions. Second operand 8 states. [2020-10-23 18:34:56,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:56,703 INFO L93 Difference]: Finished difference Result 8375 states and 11798 transitions. [2020-10-23 18:34:56,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:34:56,703 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-10-23 18:34:56,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:56,738 INFO L225 Difference]: With dead ends: 8375 [2020-10-23 18:34:56,738 INFO L226 Difference]: Without dead ends: 5606 [2020-10-23 18:34:56,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:34:56,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5606 states. [2020-10-23 18:34:56,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5606 to 5581. [2020-10-23 18:34:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5581 states. [2020-10-23 18:34:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 6996 transitions. [2020-10-23 18:34:56,938 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 6996 transitions. Word has length 132 [2020-10-23 18:34:56,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:56,939 INFO L481 AbstractCegarLoop]: Abstraction has 5581 states and 6996 transitions. [2020-10-23 18:34:56,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:34:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 6996 transitions. [2020-10-23 18:34:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-23 18:34:56,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:56,957 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:56,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 18:34:56,957 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:56,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:56,958 INFO L82 PathProgramCache]: Analyzing trace with hash 225031857, now seen corresponding path program 1 times [2020-10-23 18:34:56,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:56,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951139498] [2020-10-23 18:34:56,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:57,150 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:34:57,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:57,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:57,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:34:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:57,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 18:34:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:34:57,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951139498] [2020-10-23 18:34:57,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218891424] [2020-10-23 18:34:57,318 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 [2020-10-23 18:34:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:57,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:57,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:34:57,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:57,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-10-23 18:34:57,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928155031] [2020-10-23 18:34:57,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 18:34:57,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:57,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 18:34:57,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:34:57,660 INFO L87 Difference]: Start difference. First operand 5581 states and 6996 transitions. Second operand 13 states. [2020-10-23 18:34:58,155 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-10-23 18:34:58,537 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-10-23 18:34:59,742 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-10-23 18:34:59,912 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-23 18:35:01,626 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-10-23 18:35:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:06,980 INFO L93 Difference]: Finished difference Result 14055 states and 17852 transitions. [2020-10-23 18:35:06,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-23 18:35:06,986 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 179 [2020-10-23 18:35:06,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:06,987 INFO L225 Difference]: With dead ends: 14055 [2020-10-23 18:35:06,987 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:35:07,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=429, Invalid=1641, Unknown=0, NotChecked=0, Total=2070 [2020-10-23 18:35:07,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:35:07,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:35:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:35:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:35:07,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-10-23 18:35:07,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:07,024 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:35:07,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 18:35:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:35:07,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:35:07,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:07,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:35:08,060 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 138 [2020-10-23 18:35:08,217 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 138 [2020-10-23 18:35:08,432 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2020-10-23 18:35:10,037 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 218 DAG size of output: 53 [2020-10-23 18:35:10,544 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 52 [2020-10-23 18:35:10,963 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 52 [2020-10-23 18:35:11,414 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 37 [2020-10-23 18:35:11,419 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:35:11,419 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:35:11,419 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:35:11,420 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:35:11,420 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:35:11,420 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:35:11,420 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:35:11,421 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:35:11,421 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:35:11,421 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:35:11,421 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:35:11,421 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:35:11,421 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:35:11,421 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:35:11,421 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:35:11,422 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:35:11,422 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:35:11,422 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:35:11,422 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:35:11,422 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:35:11,422 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:35:11,422 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:35:11,422 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,423 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,423 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,423 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,423 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,423 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:35:11,423 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:35:11,423 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:35:11,424 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:35:11,424 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:35:11,424 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:35:11,424 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:35:11,424 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:35:11,424 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:35:11,424 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:35:11,424 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:35:11,425 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:35:11,425 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:35:11,425 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,425 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,425 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,425 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,425 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:35:11,425 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:35:11,426 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:35:11,427 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:35:11,427 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:35:11,427 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:35:11,427 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:35:11,428 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:35:11,428 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:35:11,428 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,428 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,428 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,429 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,429 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,429 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:35:11,429 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:35:11,429 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:35:11,429 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:35:11,429 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:35:11,429 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:35:11,430 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:35:11,430 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:35:11,430 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:35:11,430 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:35:11,430 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:35:11,430 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,430 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,430 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:35:11,431 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:35:11,432 INFO L270 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse7 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse8 (= 9 |old(~a28~0)|)) (.cse1 (not (<= |old(~a17~0)| 7))) (.cse4 (not (<= |old(~a19~0)| 0))) (.cse3 (= |old(~a11~0)| 1)) (.cse9 (not (<= |old(~a28~0)| 7))) (.cse5 (not (= |old(~a19~0)| 1))) (.cse0 (= 11 |old(~a28~0)|)) (.cse2 (not (= 0 |old(~a25~0)|))) (.cse6 (= 9 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (= |old(~a17~0)| |old(~a28~0)|) .cse7) (or .cse0 .cse8 .cse3 .cse6 .cse4) (or .cse0 .cse1 .cse4 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse4) (or .cse9 .cse6 .cse4) (or .cse5 .cse3 .cse6) (or .cse9 .cse5 .cse6) (or .cse5 .cse0 .cse2 .cse6))) [2020-10-23 18:35:11,432 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:35:11,432 INFO L274 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-10-23 18:35:11,432 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:35:11,432 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:35:11,432 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:35:11,433 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:35:11,433 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,433 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,433 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,433 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,433 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,433 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:35:11,433 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,434 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,435 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,436 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,436 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,436 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:35:11,436 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,436 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:35:11,436 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,436 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:35:11,436 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:35:11,437 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:35:11,438 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:35:11,438 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:35:11,438 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,438 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,438 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,438 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,438 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,438 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:35:11,439 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:35:11,440 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:35:11,440 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:35:11,440 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,440 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,440 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,440 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,440 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,441 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,441 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:35:11,441 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:35:11,441 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:35:11,441 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:35:11,441 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:35:11,441 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:35:11,441 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:35:11,442 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse10 (= ~a19~0 1)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse18 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse14 (= ~a19~0 |old(~a19~0)|))) (let ((.cse8 (= ~a25~0 ~a11~0)) (.cse13 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse2 (not (<= |old(~a17~0)| 7))) (.cse3 (not (= 0 |old(~a25~0)|))) (.cse0 (and .cse7 .cse9 .cse18 .cse11 .cse14)) (.cse1 (= 11 |old(~a28~0)|)) (.cse15 (= 9 |old(~a28~0)|)) (.cse5 (not (<= |old(~a19~0)| 0))) (.cse4 (= |old(~a11~0)| 1)) (.cse17 (not (<= |old(~a28~0)| 7))) (.cse6 (not (= |old(~a19~0)| 1))) (.cse12 (= 9 |old(~a17~0)|)) (.cse16 (and .cse7 .cse9 .cse18 .cse10 .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse1 .cse12 (= |old(~a17~0)| |old(~a28~0)|) .cse13) (or .cse1 .cse2 (and .cse7 .cse8 .cse9 .cse11 .cse14) .cse5 .cse13) (or .cse0 .cse1 .cse15 .cse2 .cse3 .cse5) (or .cse6 .cse1 .cse3 .cse12 .cse16) (or .cse17 .cse0 .cse12 .cse5) (or .cse0 .cse1 .cse15 .cse4 .cse12 .cse5) (or .cse6 .cse4 .cse12 .cse16) (or .cse17 .cse6 .cse12 .cse16)))) [2020-10-23 18:35:11,442 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:35:11,442 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:35:11,442 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:35:11,442 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:35:11,442 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:35:11,442 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:35:11,443 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:35:11,444 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:35:11,445 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:35:11,445 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,445 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,445 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,445 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,445 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,445 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,445 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:35:11,446 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:35:11,446 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:35:11,446 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:35:11,446 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:35:11,446 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:35:11,446 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:35:11,446 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:35:11,446 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:35:11,447 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:35:11,447 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:35:11,447 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:35:11,447 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:35:11,447 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:35:11,447 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:35:11,447 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:35:11,447 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,448 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,448 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,448 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,448 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:11,448 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:35:11,448 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:35:11,448 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:35:11,448 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:35:11,449 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:35:11,449 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7) (not (= ~a17~0 9))) [2020-10-23 18:35:11,449 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:35:11,449 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:35:11,449 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0)) (.cse8 (not (= ~a11~0 1))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse10 (not (= ~a28~0 9))) (.cse5 (<= ~a19~0 0)) (.cse9 (= ~a25~0 0)) (.cse7 (<= ~a17~0 7)) (.cse4 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~a19~0)| 1)) (and .cse0 .cse5 .cse6) (and .cse3 .cse6 .cse7) (and .cse0 .cse3 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse2 .cse5 .cse7 .cse4) (and .cse0 .cse5 .cse9 .cse8 .cse7 .cse4) (and .cse10 .cse0 .cse5 .cse8 .cse4) (and .cse10 .cse3 .cse9 .cse7 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse3 .cse9 .cse4) (and .cse0 .cse3 .cse6) (= 9 |old(~a17~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse5 .cse9 .cse7 .cse4) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:35:11,450 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (= 9 |old(~a17~0)|) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:35:11,450 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:35:11,450 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:35:11,450 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0)) (.cse8 (not (= ~a11~0 1))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse10 (not (= ~a28~0 9))) (.cse5 (<= ~a19~0 0)) (.cse9 (= ~a25~0 0)) (.cse7 (<= ~a17~0 7)) (.cse4 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~a19~0)| 1)) (and .cse0 .cse5 .cse6) (and .cse3 .cse6 .cse7) (and .cse0 .cse3 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse2 .cse5 .cse7 .cse4) (and .cse0 .cse5 .cse9 .cse8 .cse7 .cse4) (and .cse10 .cse0 .cse5 .cse8 .cse4) (and .cse10 .cse3 .cse9 .cse7 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse3 .cse9 .cse4) (and .cse0 .cse3 .cse6) (= 9 |old(~a17~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse5 .cse9 .cse7 .cse4) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:35:11,450 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:35:11,451 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:35:11,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:35:11 BoogieIcfgContainer [2020-10-23 18:35:11,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:35:11,504 INFO L168 Benchmark]: Toolchain (without parser) took 31977.18 ms. Allocated memory was 157.3 MB in the beginning and 543.2 MB in the end (delta: 385.9 MB). Free memory was 131.7 MB in the beginning and 375.7 MB in the end (delta: -244.0 MB). Peak memory consumption was 326.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:11,505 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory was 128.6 MB in the beginning and 128.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:35:11,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.86 ms. Allocated memory is still 157.3 MB. Free memory was 131.1 MB in the beginning and 105.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:11,507 INFO L168 Benchmark]: Boogie Preprocessor took 169.11 ms. Allocated memory is still 157.3 MB. Free memory was 105.1 MB in the beginning and 138.2 MB in the end (delta: -33.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:11,508 INFO L168 Benchmark]: RCFGBuilder took 1457.04 ms. Allocated memory was 157.3 MB in the beginning and 192.9 MB in the end (delta: 35.7 MB). Free memory was 138.2 MB in the beginning and 156.6 MB in the end (delta: -18.4 MB). Peak memory consumption was 91.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:11,509 INFO L168 Benchmark]: TraceAbstraction took 29589.92 ms. Allocated memory was 192.9 MB in the beginning and 543.2 MB in the end (delta: 350.2 MB). Free memory was 156.0 MB in the beginning and 375.7 MB in the end (delta: -219.7 MB). Peak memory consumption was 314.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:11,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory was 128.6 MB in the beginning and 128.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 740.86 ms. Allocated memory is still 157.3 MB. Free memory was 131.1 MB in the beginning and 105.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 169.11 ms. Allocated memory is still 157.3 MB. Free memory was 105.1 MB in the beginning and 138.2 MB in the end (delta: -33.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1457.04 ms. Allocated memory was 157.3 MB in the beginning and 192.9 MB in the end (delta: 35.7 MB). Free memory was 138.2 MB in the beginning and 156.6 MB in the end (delta: -18.4 MB). Peak memory consumption was 91.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 29589.92 ms. Allocated memory was 192.9 MB in the beginning and 543.2 MB in the end (delta: 350.2 MB). Free memory was 156.0 MB in the beginning and 375.7 MB in the end (delta: -219.7 MB). Peak memory consumption was 314.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((((((((((a17 == \old(a17) && !(a28 == a17)) && a25 == a11) && a19 == 1) && !(a28 == 11)) || !(\old(a19) == 1)) || ((a17 == \old(a17) && a19 <= 0) && a28 <= 7)) || ((a19 == 1 && a28 <= 7) && a17 <= 7)) || ((a17 == \old(a17) && a19 == 1) && !(a11 == 1))) || !(0 == \old(a25))) || ((((!(a28 == a17) && a25 == a11) && a19 <= 0) && a17 <= 7) && !(a28 == 11))) || (((((a17 == \old(a17) && a19 <= 0) && a25 == 0) && !(a11 == 1)) && a17 <= 7) && !(a28 == 11))) || ((((!(a28 == 9) && a17 == \old(a17)) && a19 <= 0) && !(a11 == 1)) && !(a28 == 11))) || ((((!(a28 == 9) && a19 == 1) && a25 == 0) && a17 <= 7) && !(a28 == 11))) || !(\old(a28) <= 7)) || (((a17 == \old(a17) && a19 == 1) && a25 == 0) && !(a28 == 11))) || ((a17 == \old(a17) && a19 == 1) && a28 <= 7)) || 9 == \old(a17)) || \old(a17) == \old(a28)) || ((((!(a28 == 9) && a19 <= 0) && a25 == 0) && a17 <= 7) && !(a28 == 11))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.2s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 21.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 9048 SDslu, 517 SDs, 0 SdLazy, 8794 SolverSat, 1974 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5581occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 133 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 298 PreInvPairs, 442 NumberOfFragments, 948 HoareAnnotationTreeSize, 298 FomulaSimplifications, 37628 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8950 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1035 NumberOfCodeBlocks, 1035 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1027 ConstructedInterpolants, 0 QuantifiedInterpolants, 350470 SizeOfPredicates, 4 NumberOfNonLiveVariables, 936 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 304/322 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...