/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-b8ad66e [2020-10-23 18:23:38,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:23:38,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:23:38,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:23:38,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:23:38,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:23:38,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:23:38,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:23:38,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:23:38,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:23:38,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:23:38,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-10-23 18:23:38,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:23:38,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:23:38,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:23:38,642 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 18:23:38,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:23:38,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:23:38,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:23:38,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:23:38,702 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:23:38,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:23:38,703 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:23:38,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:23:38,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:23:38,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:23:38,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:23:38,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:23:38,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:23:38,706 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:23:38,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:23:38,707 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:23:38,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:23:38,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:23:38,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:23:38,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:23:38,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:23:38,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:23:38,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:23:38,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:23:38,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:23:38,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:23:38,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:23:38,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:23:38,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:23:38,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:23:39,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:23:39,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:23:39,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:23:39,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:23:39,203 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:23:39,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-1.c [2020-10-23 18:23:39,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d857d94f/790ce3fb6aa145a99df37db90f2ac499/FLAG46fe9f52b [2020-10-23 18:23:39,902 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:23:39,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_15-1.c [2020-10-23 18:23:39,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d857d94f/790ce3fb6aa145a99df37db90f2ac499/FLAG46fe9f52b [2020-10-23 18:23:39,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d857d94f/790ce3fb6aa145a99df37db90f2ac499 [2020-10-23 18:23:39,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:23:39,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:23:39,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:23:39,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:23:39,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:23:39,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:23:39" (1/1) ... [2020-10-23 18:23:39,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eac2d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:39, skipping insertion in model container [2020-10-23 18:23:39,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:23:39" (1/1) ... [2020-10-23 18:23:39,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:23:39,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:23:40,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:23:40,210 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:23:40,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:23:40,290 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:23:40,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40 WrapperNode [2020-10-23 18:23:40,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:23:40,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:23:40,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:23:40,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:23:40,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (1/1) ... [2020-10-23 18:23:40,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (1/1) ... [2020-10-23 18:23:40,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (1/1) ... [2020-10-23 18:23:40,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (1/1) ... [2020-10-23 18:23:40,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (1/1) ... [2020-10-23 18:23:40,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (1/1) ... [2020-10-23 18:23:40,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (1/1) ... [2020-10-23 18:23:40,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:23:40,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:23:40,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:23:40,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:23:40,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:23:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:23:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:23:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:23:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:23:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:23:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:23:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:23:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:23:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:23:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:23:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:23:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:23:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:23:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:23:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:23:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:23:41,015 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:23:41,016 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:23:41,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:23:41 BoogieIcfgContainer [2020-10-23 18:23:41,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:23:41,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:23:41,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:23:41,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:23:41,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:23:39" (1/3) ... [2020-10-23 18:23:41,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273bd02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:23:41, skipping insertion in model container [2020-10-23 18:23:41,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:23:40" (2/3) ... [2020-10-23 18:23:41,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273bd02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:23:41, skipping insertion in model container [2020-10-23 18:23:41,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:23:41" (3/3) ... [2020-10-23 18:23:41,036 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c [2020-10-23 18:23:41,048 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:23:41,054 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:23:41,068 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:23:41,097 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:23:41,097 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:23:41,097 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:23:41,097 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:23:41,098 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:23:41,098 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:23:41,098 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:23:41,098 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:23:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-10-23 18:23:41,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-23 18:23:41,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:23:41,125 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] [2020-10-23 18:23:41,125 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:23:41,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:23:41,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1271024494, now seen corresponding path program 1 times [2020-10-23 18:23:41,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:23:41,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122165811] [2020-10-23 18:23:41,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:23:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:23:41,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:23:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:23:41,515 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 18:23:41,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122165811] [2020-10-23 18:23:41,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:23:41,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:23:41,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953536894] [2020-10-23 18:23:41,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:23:41,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:23:41,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:23:41,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:23:41,545 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 4 states. [2020-10-23 18:23:41,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:23:41,984 INFO L93 Difference]: Finished difference Result 122 states and 217 transitions. [2020-10-23 18:23:41,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 18:23:41,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-23 18:23:41,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:23:42,000 INFO L225 Difference]: With dead ends: 122 [2020-10-23 18:23:42,000 INFO L226 Difference]: Without dead ends: 103 [2020-10-23 18:23:42,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:23:42,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-23 18:23:42,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 72. [2020-10-23 18:23:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-23 18:23:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 131 transitions. [2020-10-23 18:23:42,061 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 131 transitions. Word has length 27 [2020-10-23 18:23:42,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:23:42,062 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 131 transitions. [2020-10-23 18:23:42,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:23:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 131 transitions. [2020-10-23 18:23:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-23 18:23:42,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:23:42,064 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] [2020-10-23 18:23:42,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:23:42,064 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:23:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:23:42,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1270801542, now seen corresponding path program 1 times [2020-10-23 18:23:42,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:23:42,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458921285] [2020-10-23 18:23:42,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:23:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:23:42,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:23:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:23:42,262 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 18:23:42,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458921285] [2020-10-23 18:23:42,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:23:42,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:23:42,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522495789] [2020-10-23 18:23:42,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:23:42,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:23:42,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:23:42,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:23:42,267 INFO L87 Difference]: Start difference. First operand 72 states and 131 transitions. Second operand 4 states. [2020-10-23 18:23:42,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:23:42,589 INFO L93 Difference]: Finished difference Result 170 states and 317 transitions. [2020-10-23 18:23:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 18:23:42,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-23 18:23:42,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:23:42,592 INFO L225 Difference]: With dead ends: 170 [2020-10-23 18:23:42,592 INFO L226 Difference]: Without dead ends: 104 [2020-10-23 18:23:42,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:23:42,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-23 18:23:42,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2020-10-23 18:23:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-23 18:23:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 189 transitions. [2020-10-23 18:23:42,613 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 189 transitions. Word has length 27 [2020-10-23 18:23:42,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:23:42,614 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 189 transitions. [2020-10-23 18:23:42,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:23:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 189 transitions. [2020-10-23 18:23:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-23 18:23:42,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:23:42,615 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] [2020-10-23 18:23:42,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:23:42,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:23:42,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:23:42,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1334999060, now seen corresponding path program 1 times [2020-10-23 18:23:42,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:23:42,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302147722] [2020-10-23 18:23:42,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:23:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:23:42,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:23:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:23:42,777 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 18:23:42,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302147722] [2020-10-23 18:23:42,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:23:42,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:23:42,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956456408] [2020-10-23 18:23:42,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:23:42,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:23:42,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:23:42,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:23:42,780 INFO L87 Difference]: Start difference. First operand 103 states and 189 transitions. Second operand 4 states. [2020-10-23 18:23:43,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:23:43,053 INFO L93 Difference]: Finished difference Result 157 states and 285 transitions. [2020-10-23 18:23:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 18:23:43,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-23 18:23:43,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:23:43,055 INFO L225 Difference]: With dead ends: 157 [2020-10-23 18:23:43,056 INFO L226 Difference]: Without dead ends: 106 [2020-10-23 18:23:43,057 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 [2020-10-23 18:23:43,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-23 18:23:43,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2020-10-23 18:23:43,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-23 18:23:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 189 transitions. [2020-10-23 18:23:43,070 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 189 transitions. Word has length 27 [2020-10-23 18:23:43,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:23:43,071 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 189 transitions. [2020-10-23 18:23:43,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:23:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 189 transitions. [2020-10-23 18:23:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-23 18:23:43,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:23:43,072 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] [2020-10-23 18:23:43,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:23:43,073 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:23:43,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:23:43,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1335222012, now seen corresponding path program 1 times [2020-10-23 18:23:43,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:23:43,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050507728] [2020-10-23 18:23:43,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:23:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 18:23:43,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 18:23:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 18:23:43,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 18:23:43,165 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-23 18:23:43,165 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 18:23:43,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:23:43,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:23:43 BoogieIcfgContainer [2020-10-23 18:23:43,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:23:43,258 INFO L168 Benchmark]: Toolchain (without parser) took 3314.17 ms. Allocated memory was 151.0 MB in the beginning and 196.1 MB in the end (delta: 45.1 MB). Free memory was 125.3 MB in the beginning and 96.6 MB in the end (delta: 28.7 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:23:43,259 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:23:43,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.10 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 113.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:23:43,263 INFO L168 Benchmark]: Boogie Preprocessor took 98.55 ms. Allocated memory is still 151.0 MB. Free memory was 113.9 MB in the beginning and 111.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:23:43,264 INFO L168 Benchmark]: RCFGBuilder took 625.39 ms. Allocated memory is still 151.0 MB. Free memory was 111.9 MB in the beginning and 124.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:23:43,267 INFO L168 Benchmark]: TraceAbstraction took 2229.05 ms. Allocated memory was 151.0 MB in the beginning and 196.1 MB in the end (delta: 45.1 MB). Free memory was 124.0 MB in the beginning and 96.6 MB in the end (delta: 27.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:23:43,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 344.10 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 113.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.55 ms. Allocated memory is still 151.0 MB. Free memory was 113.9 MB in the beginning and 111.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 625.39 ms. Allocated memory is still 151.0 MB. Free memory was 111.9 MB in the beginning and 124.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2229.05 ms. Allocated memory was 151.0 MB in the beginning and 196.1 MB in the end (delta: 45.1 MB). Free memory was 124.0 MB in the beginning and 96.6 MB in the end (delta: 27.4 MB). Peak memory consumption was 72.4 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: 1.0s, 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...