/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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:33:39,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:33:39,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:33:39,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:33:39,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:33:39,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:33:39,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:33:39,182 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 18:33:39,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:33:39,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:33:39,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:33:39,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:33:39,245 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:33:39,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:33:39,246 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:33:39,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:33:39,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:33:39,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:33:39,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:33:39,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:33:39,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:33:39,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:33:39,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:33:39,249 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:33:39,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:33:39,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:33:39,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:33:39,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:33:39,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:33:39,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:33:39,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:33:39,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:33:39,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:33:39,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:33:39,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:33:39,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:33:39,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:33:39,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:33:39,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:33:39,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:33:39,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:33:39,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:33:39,763 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:33:39,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-10-23 18:33:39,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2082526ca/d2a4f0af04cf4c72831c1162222bac5f/FLAG231497591 [2020-10-23 18:33:40,582 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:33:40,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-10-23 18:33:40,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2082526ca/d2a4f0af04cf4c72831c1162222bac5f/FLAG231497591 [2020-10-23 18:33:40,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2082526ca/d2a4f0af04cf4c72831c1162222bac5f [2020-10-23 18:33:40,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:33:40,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:33:40,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:40,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:33:40,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:33:40,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:40" (1/1) ... [2020-10-23 18:33:40,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b15775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:40, skipping insertion in model container [2020-10-23 18:33:40,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:40" (1/1) ... [2020-10-23 18:33:40,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:33:40,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:33:41,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:41,490 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:33:41,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:41,727 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:33:41,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41 WrapperNode [2020-10-23 18:33:41,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:41,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:33:41,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:33:41,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:33:41,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:33:41,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:33:41,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:33:41,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:33:41,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (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 18:33:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:33:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:33:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:33:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:33:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:33:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:33:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:33:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:33:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:33:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:33:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:33:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:33:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:33:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:33:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:33:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:33:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:33:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:33:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:33:43,261 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:33:43,262 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:33:43,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:43 BoogieIcfgContainer [2020-10-23 18:33:43,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:33:43,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:33:43,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:33:43,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:33:43,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:33:40" (1/3) ... [2020-10-23 18:33:43,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4166ec0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:43, skipping insertion in model container [2020-10-23 18:33:43,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41" (2/3) ... [2020-10-23 18:33:43,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4166ec0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:43, skipping insertion in model container [2020-10-23 18:33:43,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:43" (3/3) ... [2020-10-23 18:33:43,275 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-10-23 18:33:43,289 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:33:43,295 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:33:43,308 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:33:43,336 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:33:43,336 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:33:43,336 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:33:43,336 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:33:43,337 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:33:43,337 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:33:43,337 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:33:43,337 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:33:43,363 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:33:43,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-23 18:33:43,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:43,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:43,378 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:43,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:43,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1779792685, now seen corresponding path program 1 times [2020-10-23 18:33:43,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:43,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121991504] [2020-10-23 18:33:43,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:43,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:44,056 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 18:33:44,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121991504] [2020-10-23 18:33:44,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:44,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:33:44,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242074372] [2020-10-23 18:33:44,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:33:44,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:44,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:33:44,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:33:44,083 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-10-23 18:33:46,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:46,200 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-23 18:33:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:33:46,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-10-23 18:33:46,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:46,226 INFO L225 Difference]: With dead ends: 632 [2020-10-23 18:33:46,226 INFO L226 Difference]: Without dead ends: 328 [2020-10-23 18:33:46,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:33:46,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-23 18:33:46,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-23 18:33:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-23 18:33:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 481 transitions. [2020-10-23 18:33:46,337 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 481 transitions. Word has length 106 [2020-10-23 18:33:46,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:46,338 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 481 transitions. [2020-10-23 18:33:46,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:33:46,338 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2020-10-23 18:33:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-23 18:33:46,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:46,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:46,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:33:46,347 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:46,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:46,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1185666720, now seen corresponding path program 1 times [2020-10-23 18:33:46,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:46,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502478920] [2020-10-23 18:33:46,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:46,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:46,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:46,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502478920] [2020-10-23 18:33:46,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:46,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:33:46,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548018081] [2020-10-23 18:33:46,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:33:46,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:46,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:33:46,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:33:46,701 INFO L87 Difference]: Start difference. First operand 320 states and 481 transitions. Second operand 8 states. [2020-10-23 18:33:47,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:47,970 INFO L93 Difference]: Finished difference Result 637 states and 970 transitions. [2020-10-23 18:33:47,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 18:33:47,975 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-23 18:33:47,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:47,982 INFO L225 Difference]: With dead ends: 637 [2020-10-23 18:33:47,982 INFO L226 Difference]: Without dead ends: 323 [2020-10-23 18:33:47,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:33:47,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-23 18:33:48,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 311. [2020-10-23 18:33:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-10-23 18:33:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 438 transitions. [2020-10-23 18:33:48,014 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 438 transitions. Word has length 121 [2020-10-23 18:33:48,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:48,014 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 438 transitions. [2020-10-23 18:33:48,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:33:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 438 transitions. [2020-10-23 18:33:48,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-23 18:33:48,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:48,018 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:48,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:33:48,018 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:48,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:48,019 INFO L82 PathProgramCache]: Analyzing trace with hash 723619966, now seen corresponding path program 1 times [2020-10-23 18:33:48,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:48,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001628738] [2020-10-23 18:33:48,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:48,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001628738] [2020-10-23 18:33:48,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:48,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:33:48,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767378204] [2020-10-23 18:33:48,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:33:48,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:48,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:33:48,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:33:48,336 INFO L87 Difference]: Start difference. First operand 311 states and 438 transitions. Second operand 8 states. [2020-10-23 18:33:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:51,068 INFO L93 Difference]: Finished difference Result 1092 states and 1578 transitions. [2020-10-23 18:33:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:33:51,069 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-10-23 18:33:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:51,076 INFO L225 Difference]: With dead ends: 1092 [2020-10-23 18:33:51,076 INFO L226 Difference]: Without dead ends: 787 [2020-10-23 18:33:51,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:33:51,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-10-23 18:33:51,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 767. [2020-10-23 18:33:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-10-23 18:33:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 971 transitions. [2020-10-23 18:33:51,141 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 971 transitions. Word has length 128 [2020-10-23 18:33:51,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:51,143 INFO L481 AbstractCegarLoop]: Abstraction has 767 states and 971 transitions. [2020-10-23 18:33:51,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:33:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 971 transitions. [2020-10-23 18:33:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-23 18:33:51,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:51,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:51,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:33:51,158 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:51,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash 2012385846, now seen corresponding path program 1 times [2020-10-23 18:33:51,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:51,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010620043] [2020-10-23 18:33:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:51,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:51,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:51,472 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 18:33:51,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010620043] [2020-10-23 18:33:51,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:51,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:33:51,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286010582] [2020-10-23 18:33:51,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:51,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:51,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:51,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:51,476 INFO L87 Difference]: Start difference. First operand 767 states and 971 transitions. Second operand 7 states. [2020-10-23 18:33:51,625 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:33:53,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:53,526 INFO L93 Difference]: Finished difference Result 2009 states and 2633 transitions. [2020-10-23 18:33:53,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:33:53,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-10-23 18:33:53,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:53,540 INFO L225 Difference]: With dead ends: 2009 [2020-10-23 18:33:53,540 INFO L226 Difference]: Without dead ends: 1248 [2020-10-23 18:33:53,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:33:53,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-10-23 18:33:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1224. [2020-10-23 18:33:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2020-10-23 18:33:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1477 transitions. [2020-10-23 18:33:53,610 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1477 transitions. Word has length 132 [2020-10-23 18:33:53,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:53,611 INFO L481 AbstractCegarLoop]: Abstraction has 1224 states and 1477 transitions. [2020-10-23 18:33:53,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:33:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1477 transitions. [2020-10-23 18:33:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-23 18:33:53,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:53,616 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:53,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:33:53,617 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:53,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:53,618 INFO L82 PathProgramCache]: Analyzing trace with hash -2073568811, now seen corresponding path program 1 times [2020-10-23 18:33:53,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:53,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489927193] [2020-10-23 18:33:53,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:33:54,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489927193] [2020-10-23 18:33:54,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33002660] [2020-10-23 18:33:54,130 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 18:33:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:54,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:54,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:33:54,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:54,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:33:54,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476482971] [2020-10-23 18:33:54,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:54,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:54,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:54,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:54,620 INFO L87 Difference]: Start difference. First operand 1224 states and 1477 transitions. Second operand 3 states. [2020-10-23 18:33:55,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:55,294 INFO L93 Difference]: Finished difference Result 2442 states and 2948 transitions. [2020-10-23 18:33:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:55,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-10-23 18:33:55,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:55,307 INFO L225 Difference]: With dead ends: 2442 [2020-10-23 18:33:55,307 INFO L226 Difference]: Without dead ends: 1224 [2020-10-23 18:33:55,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:55,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-10-23 18:33:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1072. [2020-10-23 18:33:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-23 18:33:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1218 transitions. [2020-10-23 18:33:55,371 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1218 transitions. Word has length 141 [2020-10-23 18:33:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:55,372 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1218 transitions. [2020-10-23 18:33:55,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1218 transitions. [2020-10-23 18:33:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-23 18:33:55,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:55,377 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:55,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:55,592 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:55,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:55,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1231990458, now seen corresponding path program 1 times [2020-10-23 18:33:55,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:55,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472919823] [2020-10-23 18:33:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:55,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:55,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:33:55,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472919823] [2020-10-23 18:33:55,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668725291] [2020-10-23 18:33:55,894 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 18:33:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:56,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:33:56,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:56,094 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:56,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:33:56,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-10-23 18:33:56,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562926546] [2020-10-23 18:33:56,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:56,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:56,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:56,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:56,097 INFO L87 Difference]: Start difference. First operand 1072 states and 1218 transitions. Second operand 7 states. [2020-10-23 18:33:56,510 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:33:59,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:59,099 INFO L93 Difference]: Finished difference Result 3075 states and 3521 transitions. [2020-10-23 18:33:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:33:59,100 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-10-23 18:33:59,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:59,110 INFO L225 Difference]: With dead ends: 3075 [2020-10-23 18:33:59,110 INFO L226 Difference]: Without dead ends: 1699 [2020-10-23 18:33:59,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:33:59,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-10-23 18:33:59,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1683. [2020-10-23 18:33:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1683 states. [2020-10-23 18:33:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 1883 transitions. [2020-10-23 18:33:59,190 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 1883 transitions. Word has length 154 [2020-10-23 18:33:59,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:59,190 INFO L481 AbstractCegarLoop]: Abstraction has 1683 states and 1883 transitions. [2020-10-23 18:33:59,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:33:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 1883 transitions. [2020-10-23 18:33:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-23 18:33:59,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:59,200 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, 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] [2020-10-23 18:33:59,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:59,414 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:59,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:59,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1946101869, now seen corresponding path program 1 times [2020-10-23 18:33:59,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:59,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215606691] [2020-10-23 18:33:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:59,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:59,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:59,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 18:33:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-23 18:33:59,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215606691] [2020-10-23 18:33:59,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197198963] [2020-10-23 18:33:59,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:59,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:59,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:34:00,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:00,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:34:00,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127426958] [2020-10-23 18:34:00,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:34:00,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:00,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:34:00,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:34:00,131 INFO L87 Difference]: Start difference. First operand 1683 states and 1883 transitions. Second operand 10 states. [2020-10-23 18:34:04,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:04,183 INFO L93 Difference]: Finished difference Result 3649 states and 4137 transitions. [2020-10-23 18:34:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:34:04,184 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-10-23 18:34:04,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:04,185 INFO L225 Difference]: With dead ends: 3649 [2020-10-23 18:34:04,185 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:34:04,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-10-23 18:34:04,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:34:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:34:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:34:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:34:04,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-10-23 18:34:04,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:04,195 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:34:04,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:34:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:34:04,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:34:04,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:04,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:34:04,713 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 132 [2020-10-23 18:34:04,830 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 132 [2020-10-23 18:34:06,168 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 131 DAG size of output: 51 [2020-10-23 18:34:06,910 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 51 [2020-10-23 18:34:07,596 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 51 [2020-10-23 18:34:07,914 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-10-23 18:34:07,918 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:34:07,919 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:34:07,919 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:34:07,919 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:34:07,919 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:34:07,920 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 18:34:07,920 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:34:07,920 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:34:07,920 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:34:07,920 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:34:07,921 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:34:07,921 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:34:07,921 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:34:07,921 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:34:07,921 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:34:07,921 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:34:07,922 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:34:07,922 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:34:07,922 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:34:07,922 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:34:07,922 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:34:07,922 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:34:07,922 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,923 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,923 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,924 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,924 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,924 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:34:07,924 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:34:07,924 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:34:07,924 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:34:07,924 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:34:07,925 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,926 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,926 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,926 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,926 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:34:07,926 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,926 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:34:07,926 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:34:07,926 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:34:07,927 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:34:07,927 INFO L270 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (let ((.cse5 (not (<= |old(~a28~0)| 7))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse2 (not (= |old(~a19~0)| 1))) (.cse3 (not (<= 8 |old(~a17~0)|))) (.cse4 (= |old(~a11~0)| 1)) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse7 (= 11 |old(~a28~0)|)) (.cse6 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6) (or .cse1 .cse2 .cse7 (not .cse4)) (or .cse5 .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse7) (or .cse1 .cse7 .cse4 .cse6) (or .cse1 .cse7 (not (<= |old(~a17~0)| 7)) .cse6))) [2020-10-23 18:34:07,927 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:34:07,927 INFO L274 CegarLoopResult]: For program point L471-1(line 471) no Hoare annotation was computed. [2020-10-23 18:34:07,927 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:34:07,928 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:34:07,928 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:34:07,928 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:34:07,928 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:34:07,928 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:34:07,928 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:34:07,928 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:34:07,928 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:34:07,929 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,930 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:34:07,931 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:34:07,932 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:34:07,932 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:34:07,932 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:34:07,932 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:34:07,932 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:34:07,932 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,932 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,933 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,933 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,933 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,933 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:34:07,933 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:34:07,933 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:34:07,933 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:34:07,933 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:34:07,934 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:34:07,934 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:34:07,934 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:34:07,934 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:34:07,934 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,934 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,934 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:34:07,934 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,935 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:34:07,936 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:34:07,937 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:34:07,938 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,939 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:34:07,940 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:34:07,941 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:34:07,941 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse15 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= ~a28~0 |old(~a28~0)|)) (.cse13 (= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse16 (= ~a19~0 1))) (let ((.cse6 (not (= |old(~a25~0)| 1))) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse7 (and .cse12 .cse13 .cse14 .cse16 (= ~a25~0 1))) (.cse5 (not (<= |old(~a28~0)| 7))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (and .cse12 .cse13 .cse14 .cse16 .cse15)) (.cse8 (= |old(~a11~0)| 1)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse9 (and .cse12 .cse13 .cse14 .cse15 (= ~a19~0 |old(~a19~0)|))) (.cse3 (= 11 |old(~a28~0)|)) (.cse11 (not (<= |old(~a17~0)| 7))) (.cse10 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse6 .cse0 .cse1 .cse2 .cse8 .cse7) (or .cse0 .cse9 .cse3 .cse8 .cse10) (or .cse5 .cse0 .cse9 .cse10) (or .cse1 .cse3 .cse11 .cse4 (not .cse8)) (or .cse0 .cse9 .cse3 .cse11 .cse10)))) [2020-10-23 18:34:07,941 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:34:07,941 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:34:07,941 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:34:07,941 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:34:07,941 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:34:07,942 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:34:07,943 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:34:07,944 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:34:07,945 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,946 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:34:07,947 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:34:07,947 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:34:07,947 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:34:07,947 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:34:07,947 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-10-23 18:34:07,947 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:34:07,947 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:34:07,948 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse9 (<= ~a19~0 0)) (.cse10 (= ~a11~0 1)) (.cse6 (not (= ~a28~0 11))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse7 (= ~a25~0 1)) (.cse5 (not (= |old(~a11~0)| 1))) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a19~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse4 (<= ~a17~0 8)) (.cse8 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse7 .cse8 .cse4) (and .cse0 .cse9 .cse1 .cse4 .cse5 .cse6) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse9 .cse3 .cse4 .cse8 .cse10 .cse5) (and .cse0 .cse9 .cse10 (<= ~a17~0 7) .cse5 .cse6) (and .cse0 .cse2 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse4 .cse5) (and (= ~a28~0 |old(~a28~0)|) .cse1 .cse2 (= ~a25~0 |old(~a25~0)|) .cse3 .cse4 .cse8))) [2020-10-23 18:34:07,948 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-10-23 18:34:07,948 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:34:07,948 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:34:07,948 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse9 (<= ~a19~0 0)) (.cse10 (= ~a11~0 1)) (.cse6 (not (= ~a28~0 11))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse7 (= ~a25~0 1)) (.cse5 (not (= |old(~a11~0)| 1))) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a19~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse4 (<= ~a17~0 8)) (.cse8 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse7 .cse8 .cse4) (and .cse0 .cse9 .cse1 .cse4 .cse5 .cse6) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse9 .cse3 .cse4 .cse8 .cse10 .cse5) (and .cse0 .cse9 .cse10 (<= ~a17~0 7) .cse5 .cse6) (and .cse0 .cse2 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse4 .cse5) (and (= ~a28~0 |old(~a28~0)|) .cse1 .cse2 (= ~a25~0 |old(~a25~0)|) .cse3 .cse4 .cse8))) [2020-10-23 18:34:07,949 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:34:07,949 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:34:07,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:34:07 BoogieIcfgContainer [2020-10-23 18:34:07,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:34:07,980 INFO L168 Benchmark]: Toolchain (without parser) took 27131.86 ms. Allocated memory was 158.3 MB in the beginning and 433.1 MB in the end (delta: 274.7 MB). Free memory was 131.5 MB in the beginning and 179.1 MB in the end (delta: -47.5 MB). Peak memory consumption was 255.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,980 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 130.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:34:07,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.57 ms. Allocated memory is still 158.3 MB. Free memory was 131.0 MB in the beginning and 105.4 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,982 INFO L168 Benchmark]: Boogie Preprocessor took 141.74 ms. Allocated memory is still 158.3 MB. Free memory was 105.4 MB in the beginning and 137.3 MB in the end (delta: -31.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,983 INFO L168 Benchmark]: RCFGBuilder took 1392.87 ms. Allocated memory was 158.3 MB in the beginning and 200.3 MB in the end (delta: 41.9 MB). Free memory was 136.8 MB in the beginning and 161.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,984 INFO L168 Benchmark]: TraceAbstraction took 24711.18 ms. Allocated memory was 200.3 MB in the beginning and 433.1 MB in the end (delta: 232.8 MB). Free memory was 160.8 MB in the beginning and 179.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 241.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 130.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 869.57 ms. Allocated memory is still 158.3 MB. Free memory was 131.0 MB in the beginning and 105.4 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.74 ms. Allocated memory is still 158.3 MB. Free memory was 105.4 MB in the beginning and 137.3 MB in the end (delta: -31.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1392.87 ms. Allocated memory was 158.3 MB in the beginning and 200.3 MB in the end (delta: 41.9 MB). Free memory was 136.8 MB in the beginning and 161.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24711.18 ms. Allocated memory was 200.3 MB in the beginning and 433.1 MB in the end (delta: 232.8 MB). Free memory was 160.8 MB in the beginning and 179.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 241.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((((((((!(\old(a25) == 1) && a11 == \old(a11)) && a19 == 1) && 8 <= a17) && a17 <= 8) && !(\old(a11) == 1)) && !(a28 == 11)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((((!(\old(a25) == 1) && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((((!(\old(a25) == 1) && a19 <= 0) && a11 == \old(a11)) && a17 <= 8) && !(\old(a11) == 1)) && !(a28 == 11))) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || ((((((!(\old(a25) == 1) && a19 <= 0) && 8 <= a17) && a17 <= 8) && a28 <= 7) && a11 == 1) && !(\old(a11) == 1))) || (((((!(\old(a25) == 1) && a19 <= 0) && a11 == 1) && a17 <= 7) && !(\old(a11) == 1)) && !(a28 == 11))) || (((((!(\old(a25) == 1) && a19 == 1) && a11 == 1) && a17 <= 8) && !(\old(a11) == 1)) && !(a28 == 11))) || ((((((!(\old(a25) == 1) && a11 == \old(a11)) && a19 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8) && !(\old(a11) == 1))) || ((((((a28 == \old(a28) && a11 == \old(a11)) && a19 == 1) && a25 == \old(a25)) && 8 <= a17) && a17 <= 8) && a28 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.0s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 4139 SDslu, 323 SDs, 0 SdLazy, 7264 SolverSat, 1350 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 609 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1683occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 232 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 115 PreInvPairs, 151 NumberOfFragments, 860 HoareAnnotationTreeSize, 115 FomulaSimplifications, 35368 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4510 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1499 NumberOfCodeBlocks, 1499 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1489 ConstructedInterpolants, 0 QuantifiedInterpolants, 755968 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1523 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 516/532 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...