/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/locks/test_locks_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:26:43,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:26:43,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:26:43,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:26:43,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:26:43,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:26:43,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:26:43,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:26:43,381 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:26:43,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:26:43,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:26:43,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:26:43,385 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:26:43,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:26:43,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:26:43,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:26:43,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:26:43,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:26:43,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:26:43,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:26:43,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:26:43,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:26:43,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:26:43,387 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:26:43,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:26:43,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:26:43,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:26:43,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:26:43,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:26:43,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:26:43,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:26:43,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:26:43,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:26:43,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:26:43,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:26:43,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:26:43,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:26:43,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:26:43,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:26:43,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:26:43,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:26:43,854 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:26:43,855 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:26:43,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-1.c [2020-11-06 22:26:43,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd247fd7/810012d5684d46298c4a27452420d1dc/FLAGa807a8822 [2020-11-06 22:26:44,706 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:26:44,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_15-1.c [2020-11-06 22:26:44,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd247fd7/810012d5684d46298c4a27452420d1dc/FLAGa807a8822 [2020-11-06 22:26:45,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd247fd7/810012d5684d46298c4a27452420d1dc [2020-11-06 22:26:45,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:26:45,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:26:45,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:26:45,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:26:45,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:26:45,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1153014d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45, skipping insertion in model container [2020-11-06 22:26:45,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:26:45,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:26:45,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:26:45,270 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:26:45,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:26:45,321 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:26:45,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45 WrapperNode [2020-11-06 22:26:45,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:26:45,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:26:45,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:26:45,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:26:45,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (1/1) ... [2020-11-06 22:26:45,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:26:45,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:26:45,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:26:45,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:26:45,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:26:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:26:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:26:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:26:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:26:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:26:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:26:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:26:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:26:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:26:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:26:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:26:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:26:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:26:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:26:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:26:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:26:46,045 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:26:46,046 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:26:46,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:46 BoogieIcfgContainer [2020-11-06 22:26:46,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:26:46,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:26:46,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:26:46,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:26:46,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:26:45" (1/3) ... [2020-11-06 22:26:46,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256e5916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:46, skipping insertion in model container [2020-11-06 22:26:46,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:45" (2/3) ... [2020-11-06 22:26:46,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256e5916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:46, skipping insertion in model container [2020-11-06 22:26:46,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:46" (3/3) ... [2020-11-06 22:26:46,062 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c [2020-11-06 22:26:46,084 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:26:46,090 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:26:46,109 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:26:46,144 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:26:46,145 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:26:46,145 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:26:46,145 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:26:46,145 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:26:46,145 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:26:46,146 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:26:46,146 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:26:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-11-06 22:26:46,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 22:26:46,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:26:46,176 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] [2020-11-06 22:26:46,176 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:26:46,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:26:46,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1271024494, now seen corresponding path program 1 times [2020-11-06 22:26:46,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:26:46,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265487698] [2020-11-06 22:26:46,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:26:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:26:46,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:26:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:26:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:26:46,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265487698] [2020-11-06 22:26:46,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:26:46,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:26:46,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555698518] [2020-11-06 22:26:46,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:26:46,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:26:46,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:26:46,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:26:46,628 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 4 states. [2020-11-06 22:26:47,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:26:47,089 INFO L93 Difference]: Finished difference Result 122 states and 217 transitions. [2020-11-06 22:26:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:26:47,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-11-06 22:26:47,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:26:47,105 INFO L225 Difference]: With dead ends: 122 [2020-11-06 22:26:47,105 INFO L226 Difference]: Without dead ends: 103 [2020-11-06 22:26:47,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:26:47,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-11-06 22:26:47,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 72. [2020-11-06 22:26:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-06 22:26:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 131 transitions. [2020-11-06 22:26:47,172 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 131 transitions. Word has length 27 [2020-11-06 22:26:47,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:26:47,175 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 131 transitions. [2020-11-06 22:26:47,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:26:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 131 transitions. [2020-11-06 22:26:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 22:26:47,177 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:26:47,178 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] [2020-11-06 22:26:47,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:26:47,180 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:26:47,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:26:47,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1270801542, now seen corresponding path program 1 times [2020-11-06 22:26:47,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:26:47,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724994796] [2020-11-06 22:26:47,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:26:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:26:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:26:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:26:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:26:47,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724994796] [2020-11-06 22:26:47,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:26:47,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:26:47,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568992528] [2020-11-06 22:26:47,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:26:47,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:26:47,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:26:47,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:26:47,310 INFO L87 Difference]: Start difference. First operand 72 states and 131 transitions. Second operand 4 states. [2020-11-06 22:26:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:26:47,624 INFO L93 Difference]: Finished difference Result 170 states and 317 transitions. [2020-11-06 22:26:47,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:26:47,625 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-11-06 22:26:47,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:26:47,628 INFO L225 Difference]: With dead ends: 170 [2020-11-06 22:26:47,628 INFO L226 Difference]: Without dead ends: 104 [2020-11-06 22:26:47,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:26:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-06 22:26:47,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2020-11-06 22:26:47,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-06 22:26:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 189 transitions. [2020-11-06 22:26:47,650 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 189 transitions. Word has length 27 [2020-11-06 22:26:47,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:26:47,650 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 189 transitions. [2020-11-06 22:26:47,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:26:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 189 transitions. [2020-11-06 22:26:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 22:26:47,652 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:26:47,652 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] [2020-11-06 22:26:47,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:26:47,653 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:26:47,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:26:47,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1334999060, now seen corresponding path program 1 times [2020-11-06 22:26:47,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:26:47,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556665124] [2020-11-06 22:26:47,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:26:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:26:47,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:26:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:26:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:26:47,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556665124] [2020-11-06 22:26:47,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:26:47,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:26:47,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989035756] [2020-11-06 22:26:47,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:26:47,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:26:47,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:26:47,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:26:47,836 INFO L87 Difference]: Start difference. First operand 103 states and 189 transitions. Second operand 4 states. [2020-11-06 22:26:48,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:26:48,110 INFO L93 Difference]: Finished difference Result 157 states and 285 transitions. [2020-11-06 22:26:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:26:48,110 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-11-06 22:26:48,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:26:48,112 INFO L225 Difference]: With dead ends: 157 [2020-11-06 22:26:48,113 INFO L226 Difference]: Without dead ends: 106 [2020-11-06 22:26:48,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:26:48,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-11-06 22:26:48,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2020-11-06 22:26:48,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-06 22:26:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 189 transitions. [2020-11-06 22:26:48,128 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 189 transitions. Word has length 27 [2020-11-06 22:26:48,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:26:48,128 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 189 transitions. [2020-11-06 22:26:48,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:26:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 189 transitions. [2020-11-06 22:26:48,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 22:26:48,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:26:48,130 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] [2020-11-06 22:26:48,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:26:48,130 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:26:48,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:26:48,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1335222012, now seen corresponding path program 1 times [2020-11-06 22:26:48,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:26:48,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755609225] [2020-11-06 22:26:48,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:26:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 22:26:48,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 22:26:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 22:26:48,187 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 22:26:48,234 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 22:26:48,235 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 22:26:48,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:26:48,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:26:48 BoogieIcfgContainer [2020-11-06 22:26:48,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:26:48,341 INFO L168 Benchmark]: Toolchain (without parser) took 3330.13 ms. Allocated memory is still 163.6 MB. Free memory was 139.7 MB in the beginning and 111.7 MB in the end (delta: 28.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:26:48,342 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory is still 102.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:26:48,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.85 ms. Allocated memory is still 163.6 MB. Free memory was 139.2 MB in the beginning and 128.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:26:48,344 INFO L168 Benchmark]: Boogie Preprocessor took 48.54 ms. Allocated memory is still 163.6 MB. Free memory was 128.4 MB in the beginning and 126.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:26:48,345 INFO L168 Benchmark]: RCFGBuilder took 676.34 ms. Allocated memory is still 163.6 MB. Free memory was 126.4 MB in the beginning and 133.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:26:48,345 INFO L168 Benchmark]: TraceAbstraction took 2287.08 ms. Allocated memory is still 163.6 MB. Free memory was 132.7 MB in the beginning and 111.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:26:48,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory is still 102.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 303.85 ms. Allocated memory is still 163.6 MB. Free memory was 139.2 MB in the beginning and 128.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.54 ms. Allocated memory is still 163.6 MB. Free memory was 128.4 MB in the beginning and 126.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 676.34 ms. Allocated memory is still 163.6 MB. Free memory was 126.4 MB in the beginning and 133.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2287.08 ms. Allocated memory is still 163.6 MB. Free memory was 132.7 MB in the beginning and 111.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L50] int p15 = __VERIFIER_nondet_int(); [L51] int lk15; [L54] int cond; VAL [p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L56] COND TRUE 1 [L57] cond = __VERIFIER_nondet_int() [L58] COND FALSE !(cond == 0) [L61] lk1 = 0 [L63] lk2 = 0 [L65] lk3 = 0 [L67] lk4 = 0 [L69] lk5 = 0 [L71] lk6 = 0 [L73] lk7 = 0 [L75] lk8 = 0 [L77] lk9 = 0 [L79] lk10 = 0 [L81] lk11 = 0 [L83] lk12 = 0 [L85] lk13 = 0 [L87] lk14 = 0 [L89] lk15 = 0 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L93] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L97] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L101] COND TRUE p3 != 0 [L102] lk3 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L105] COND TRUE p4 != 0 [L106] lk4 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L109] COND TRUE p5 != 0 [L110] lk5 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L113] COND TRUE p6 != 0 [L114] lk6 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L117] COND TRUE p7 != 0 [L118] lk7 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L121] COND TRUE p8 != 0 [L122] lk8 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=0, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L125] COND TRUE p9 != 0 [L126] lk9 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L129] COND FALSE !(p10 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L133] COND TRUE p11 != 0 [L134] lk11 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L137] COND TRUE p12 != 0 [L138] lk12 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L141] COND TRUE p13 != 0 [L142] lk13 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L145] COND TRUE p14 != 0 [L146] lk14 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L149] COND TRUE p15 != 0 [L150] lk15 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L155] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L160] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=-5, p12=-3, p13=1, p14=1, p15=1, p2=0, p3=1, p4=-4, p5=6, p6=-1, p7=1, p8=-2, p9=1] [L233] CALL reach_error() [L3] __assert_fail("0", "test_locks_15-1.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 392 SDtfs, 678 SDslu, 25 SDs, 0 SdLazy, 294 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 7150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...