/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/locks/test_locks_6.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:00:56,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:00:56,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:00:56,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:00:56,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:00:56,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:00:56,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:00:56,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:00:56,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:00:56,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:00:56,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:00:56,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:00:56,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:00:56,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:00:56,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:00:56,879 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:00:56,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:00:56,880 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:00:56,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:00:56,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:00:56,881 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:00:56,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:00:56,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:00:56,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:00:56,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:00:56,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:00:56,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:00:56,883 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:00:57,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:00:57,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:00:57,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:00:57,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:00:57,353 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:00:57,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_6.c [2021-02-23 23:00:57,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f00a8cb1/131920219eae4fb88759163fb28a6178/FLAG0e943e846 [2021-02-23 23:00:58,143 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:00:58,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_6.c [2021-02-23 23:00:58,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f00a8cb1/131920219eae4fb88759163fb28a6178/FLAG0e943e846 [2021-02-23 23:00:58,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f00a8cb1/131920219eae4fb88759163fb28a6178 [2021-02-23 23:00:58,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:00:58,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:00:58,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:00:58,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:00:58,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:00:58,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@877b5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58, skipping insertion in model container [2021-02-23 23:00:58,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:00:58,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:00:58,867 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_6.c[2544,2557] [2021-02-23 23:00:58,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:00:58,886 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:00:58,925 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_6.c[2544,2557] [2021-02-23 23:00:58,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:00:58,943 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:00:58,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58 WrapperNode [2021-02-23 23:00:58,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:00:58,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:00:58,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:00:58,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:00:58,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (1/1) ... [2021-02-23 23:00:58,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:00:58,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:00:58,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:00:58,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:00:58,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (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 [2021-02-23 23:00:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:00:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:00:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:00:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:00:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:00:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:00:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:00:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:00:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:00:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:00:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:00:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:00:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:00:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:00:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:00:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:00:59,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:00:59,468 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:00:59,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:00:59 BoogieIcfgContainer [2021-02-23 23:00:59,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:00:59,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:00:59,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:00:59,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:00:59,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:00:58" (1/3) ... [2021-02-23 23:00:59,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d2e60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:00:59, skipping insertion in model container [2021-02-23 23:00:59,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:58" (2/3) ... [2021-02-23 23:00:59,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d2e60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:00:59, skipping insertion in model container [2021-02-23 23:00:59,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:00:59" (3/3) ... [2021-02-23 23:00:59,483 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_6.c [2021-02-23 23:00:59,492 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:00:59,498 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:00:59,524 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:00:59,587 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:00:59,588 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:00:59,588 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:00:59,591 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:00:59,591 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:00:59,591 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:00:59,592 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:00:59,592 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:00:59,636 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2021-02-23 23:00:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-23 23:00:59,667 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:00:59,668 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] [2021-02-23 23:00:59,669 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:00:59,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:00:59,676 INFO L82 PathProgramCache]: Analyzing trace with hash 156622351, now seen corresponding path program 1 times [2021-02-23 23:00:59,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:00:59,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690722300] [2021-02-23 23:00:59,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:00:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:00:59,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:00:59,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:00:59,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:00:59,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:00:59,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:00:59,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:00:59,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:00,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:00,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:00,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690722300] [2021-02-23 23:01:00,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:00,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:00,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434233166] [2021-02-23 23:01:00,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:00,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:00,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:00,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:00,074 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 4 states. [2021-02-23 23:01:00,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:00,519 INFO L93 Difference]: Finished difference Result 178 states and 238 transitions. [2021-02-23 23:01:00,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:00,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2021-02-23 23:01:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:00,541 INFO L225 Difference]: With dead ends: 178 [2021-02-23 23:01:00,541 INFO L226 Difference]: Without dead ends: 120 [2021-02-23 23:01:00,548 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 [2021-02-23 23:01:00,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-02-23 23:01:00,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2021-02-23 23:01:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-23 23:01:00,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 150 transitions. [2021-02-23 23:01:00,672 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 150 transitions. Word has length 57 [2021-02-23 23:01:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:00,677 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 150 transitions. [2021-02-23 23:01:00,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2021-02-23 23:01:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-23 23:01:00,683 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:00,684 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] [2021-02-23 23:01:00,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:01:00,685 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:00,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:00,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1202234617, now seen corresponding path program 1 times [2021-02-23 23:01:00,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:00,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981402521] [2021-02-23 23:01:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:00,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:00,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:00,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:00,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:00,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:00,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:00,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:00,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:00,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:00,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981402521] [2021-02-23 23:01:00,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:00,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:00,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643875853] [2021-02-23 23:01:00,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:00,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:00,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:00,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:00,944 INFO L87 Difference]: Start difference. First operand 118 states and 150 transitions. Second operand 4 states. [2021-02-23 23:01:01,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:01,196 INFO L93 Difference]: Finished difference Result 143 states and 183 transitions. [2021-02-23 23:01:01,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:01,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2021-02-23 23:01:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:01,215 INFO L225 Difference]: With dead ends: 143 [2021-02-23 23:01:01,215 INFO L226 Difference]: Without dead ends: 141 [2021-02-23 23:01:01,216 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 [2021-02-23 23:01:01,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-02-23 23:01:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 118. [2021-02-23 23:01:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-23 23:01:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 149 transitions. [2021-02-23 23:01:01,244 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 149 transitions. Word has length 58 [2021-02-23 23:01:01,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:01,244 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 149 transitions. [2021-02-23 23:01:01,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 149 transitions. [2021-02-23 23:01:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-23 23:01:01,247 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:01,247 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] [2021-02-23 23:01:01,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:01:01,247 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:01,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:01,248 INFO L82 PathProgramCache]: Analyzing trace with hash 560570913, now seen corresponding path program 1 times [2021-02-23 23:01:01,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:01,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041732428] [2021-02-23 23:01:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:01,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:01,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:01,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:01,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:01,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:01,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:01,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:01,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:01,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:01,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041732428] [2021-02-23 23:01:01,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:01,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:01,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201895947] [2021-02-23 23:01:01,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:01,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:01,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:01,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:01,337 INFO L87 Difference]: Start difference. First operand 118 states and 149 transitions. Second operand 4 states. [2021-02-23 23:01:01,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:01,599 INFO L93 Difference]: Finished difference Result 274 states and 365 transitions. [2021-02-23 23:01:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:01,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2021-02-23 23:01:01,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:01,602 INFO L225 Difference]: With dead ends: 274 [2021-02-23 23:01:01,602 INFO L226 Difference]: Without dead ends: 193 [2021-02-23 23:01:01,604 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 [2021-02-23 23:01:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-02-23 23:01:01,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 191. [2021-02-23 23:01:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2021-02-23 23:01:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 248 transitions. [2021-02-23 23:01:01,652 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 248 transitions. Word has length 58 [2021-02-23 23:01:01,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:01,653 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 248 transitions. [2021-02-23 23:01:01,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 248 transitions. [2021-02-23 23:01:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 23:01:01,657 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:01,657 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] [2021-02-23 23:01:01,657 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:01:01,658 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:01,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:01,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1569348316, now seen corresponding path program 1 times [2021-02-23 23:01:01,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:01,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342290694] [2021-02-23 23:01:01,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:01,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:01,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:01,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:01,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:01,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:01,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:01,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:01,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:01,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:01,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342290694] [2021-02-23 23:01:01,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:01,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:01,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125478352] [2021-02-23 23:01:01,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:01,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:01,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:01,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:01,832 INFO L87 Difference]: Start difference. First operand 191 states and 248 transitions. Second operand 4 states. [2021-02-23 23:01:02,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:02,055 INFO L93 Difference]: Finished difference Result 233 states and 304 transitions. [2021-02-23 23:01:02,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:02,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-23 23:01:02,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:02,057 INFO L225 Difference]: With dead ends: 233 [2021-02-23 23:01:02,058 INFO L226 Difference]: Without dead ends: 231 [2021-02-23 23:01:02,058 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 [2021-02-23 23:01:02,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-02-23 23:01:02,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 191. [2021-02-23 23:01:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2021-02-23 23:01:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 246 transitions. [2021-02-23 23:01:02,099 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 246 transitions. Word has length 59 [2021-02-23 23:01:02,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:02,099 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 246 transitions. [2021-02-23 23:01:02,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 246 transitions. [2021-02-23 23:01:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 23:01:02,101 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:02,101 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] [2021-02-23 23:01:02,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:01:02,102 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:02,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:02,102 INFO L82 PathProgramCache]: Analyzing trace with hash 198074819, now seen corresponding path program 1 times [2021-02-23 23:01:02,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:02,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045348013] [2021-02-23 23:01:02,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:02,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:02,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:02,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:02,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:02,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:02,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:02,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:02,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:02,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:02,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1045348013] [2021-02-23 23:01:02,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:02,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:02,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125903402] [2021-02-23 23:01:02,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:02,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:02,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:02,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:02,172 INFO L87 Difference]: Start difference. First operand 191 states and 246 transitions. Second operand 4 states. [2021-02-23 23:01:02,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:02,446 INFO L93 Difference]: Finished difference Result 487 states and 648 transitions. [2021-02-23 23:01:02,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:02,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-23 23:01:02,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:02,449 INFO L225 Difference]: With dead ends: 487 [2021-02-23 23:01:02,450 INFO L226 Difference]: Without dead ends: 333 [2021-02-23 23:01:02,451 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 [2021-02-23 23:01:02,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-02-23 23:01:02,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 331. [2021-02-23 23:01:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2021-02-23 23:01:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 430 transitions. [2021-02-23 23:01:02,517 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 430 transitions. Word has length 59 [2021-02-23 23:01:02,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:02,517 INFO L480 AbstractCegarLoop]: Abstraction has 331 states and 430 transitions. [2021-02-23 23:01:02,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 430 transitions. [2021-02-23 23:01:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-23 23:01:02,519 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:02,520 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] [2021-02-23 23:01:02,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:01:02,520 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:02,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:02,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1845598165, now seen corresponding path program 1 times [2021-02-23 23:01:02,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:02,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224238966] [2021-02-23 23:01:02,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:02,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:02,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:02,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:02,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:02,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:02,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:02,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:02,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:02,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:02,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224238966] [2021-02-23 23:01:02,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:02,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:02,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022029536] [2021-02-23 23:01:02,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:02,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:02,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:02,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:02,586 INFO L87 Difference]: Start difference. First operand 331 states and 430 transitions. Second operand 4 states. [2021-02-23 23:01:02,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:02,876 INFO L93 Difference]: Finished difference Result 895 states and 1184 transitions. [2021-02-23 23:01:02,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:02,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2021-02-23 23:01:02,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:02,881 INFO L225 Difference]: With dead ends: 895 [2021-02-23 23:01:02,881 INFO L226 Difference]: Without dead ends: 601 [2021-02-23 23:01:02,883 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 [2021-02-23 23:01:02,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2021-02-23 23:01:02,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2021-02-23 23:01:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2021-02-23 23:01:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 774 transitions. [2021-02-23 23:01:02,988 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 774 transitions. Word has length 60 [2021-02-23 23:01:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:02,988 INFO L480 AbstractCegarLoop]: Abstraction has 599 states and 774 transitions. [2021-02-23 23:01:02,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 774 transitions. [2021-02-23 23:01:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-23 23:01:02,990 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:02,990 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] [2021-02-23 23:01:02,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:01:02,991 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:02,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:02,991 INFO L82 PathProgramCache]: Analyzing trace with hash -64970725, now seen corresponding path program 1 times [2021-02-23 23:01:02,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:02,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373958639] [2021-02-23 23:01:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:03,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:03,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:03,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:03,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:03,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:03,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373958639] [2021-02-23 23:01:03,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:03,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:03,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303871142] [2021-02-23 23:01:03,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:03,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:03,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:03,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:03,054 INFO L87 Difference]: Start difference. First operand 599 states and 774 transitions. Second operand 4 states. [2021-02-23 23:01:03,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:03,346 INFO L93 Difference]: Finished difference Result 731 states and 944 transitions. [2021-02-23 23:01:03,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:03,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2021-02-23 23:01:03,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:03,351 INFO L225 Difference]: With dead ends: 731 [2021-02-23 23:01:03,351 INFO L226 Difference]: Without dead ends: 729 [2021-02-23 23:01:03,352 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 [2021-02-23 23:01:03,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2021-02-23 23:01:03,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 599. [2021-02-23 23:01:03,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2021-02-23 23:01:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 766 transitions. [2021-02-23 23:01:03,454 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 766 transitions. Word has length 60 [2021-02-23 23:01:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:03,455 INFO L480 AbstractCegarLoop]: Abstraction has 599 states and 766 transitions. [2021-02-23 23:01:03,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:03,455 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 766 transitions. [2021-02-23 23:01:03,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-23 23:01:03,456 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:03,457 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] [2021-02-23 23:01:03,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:01:03,457 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:03,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:03,458 INFO L82 PathProgramCache]: Analyzing trace with hash -673905288, now seen corresponding path program 1 times [2021-02-23 23:01:03,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:03,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045887501] [2021-02-23 23:01:03,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:03,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:03,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:03,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:03,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:03,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:03,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045887501] [2021-02-23 23:01:03,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:03,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:03,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736623698] [2021-02-23 23:01:03,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:03,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:03,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:03,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:03,534 INFO L87 Difference]: Start difference. First operand 599 states and 766 transitions. Second operand 4 states. [2021-02-23 23:01:03,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:03,834 INFO L93 Difference]: Finished difference Result 723 states and 920 transitions. [2021-02-23 23:01:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:03,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2021-02-23 23:01:03,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:03,839 INFO L225 Difference]: With dead ends: 723 [2021-02-23 23:01:03,839 INFO L226 Difference]: Without dead ends: 721 [2021-02-23 23:01:03,840 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 [2021-02-23 23:01:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2021-02-23 23:01:03,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 599. [2021-02-23 23:01:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2021-02-23 23:01:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 758 transitions. [2021-02-23 23:01:03,945 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 758 transitions. Word has length 61 [2021-02-23 23:01:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:03,945 INFO L480 AbstractCegarLoop]: Abstraction has 599 states and 758 transitions. [2021-02-23 23:01:03,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 758 transitions. [2021-02-23 23:01:03,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-23 23:01:03,947 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:03,947 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] [2021-02-23 23:01:03,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:01:03,947 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:03,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1379214711, now seen corresponding path program 1 times [2021-02-23 23:01:03,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:03,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372345237] [2021-02-23 23:01:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:03,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:03,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:03,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:04,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:04,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:04,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:04,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:04,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:04,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372345237] [2021-02-23 23:01:04,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:04,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:04,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093484227] [2021-02-23 23:01:04,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:04,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:04,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:04,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:04,040 INFO L87 Difference]: Start difference. First operand 599 states and 758 transitions. Second operand 4 states. [2021-02-23 23:01:04,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:04,403 INFO L93 Difference]: Finished difference Result 1675 states and 2136 transitions. [2021-02-23 23:01:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:04,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2021-02-23 23:01:04,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:04,410 INFO L225 Difference]: With dead ends: 1675 [2021-02-23 23:01:04,410 INFO L226 Difference]: Without dead ends: 1113 [2021-02-23 23:01:04,412 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 [2021-02-23 23:01:04,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2021-02-23 23:01:04,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1111. [2021-02-23 23:01:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2021-02-23 23:01:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1382 transitions. [2021-02-23 23:01:04,597 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1382 transitions. Word has length 61 [2021-02-23 23:01:04,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:04,597 INFO L480 AbstractCegarLoop]: Abstraction has 1111 states and 1382 transitions. [2021-02-23 23:01:04,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1382 transitions. [2021-02-23 23:01:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-02-23 23:01:04,599 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:04,599 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] [2021-02-23 23:01:04,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 23:01:04,599 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:04,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:04,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1923960111, now seen corresponding path program 1 times [2021-02-23 23:01:04,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:04,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462311755] [2021-02-23 23:01:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:04,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:04,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:04,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:04,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:04,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:04,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:04,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:04,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:04,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:04,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462311755] [2021-02-23 23:01:04,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:04,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:04,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764257308] [2021-02-23 23:01:04,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:04,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:04,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:04,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:04,655 INFO L87 Difference]: Start difference. First operand 1111 states and 1382 transitions. Second operand 4 states. [2021-02-23 23:01:05,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:05,021 INFO L93 Difference]: Finished difference Result 1323 states and 1624 transitions. [2021-02-23 23:01:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:05,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2021-02-23 23:01:05,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:05,029 INFO L225 Difference]: With dead ends: 1323 [2021-02-23 23:01:05,029 INFO L226 Difference]: Without dead ends: 1321 [2021-02-23 23:01:05,030 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 [2021-02-23 23:01:05,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2021-02-23 23:01:05,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1111. [2021-02-23 23:01:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2021-02-23 23:01:05,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1366 transitions. [2021-02-23 23:01:05,239 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1366 transitions. Word has length 62 [2021-02-23 23:01:05,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:05,239 INFO L480 AbstractCegarLoop]: Abstraction has 1111 states and 1366 transitions. [2021-02-23 23:01:05,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1366 transitions. [2021-02-23 23:01:05,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-02-23 23:01:05,241 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:05,242 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] [2021-02-23 23:01:05,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 23:01:05,242 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:05,243 INFO L82 PathProgramCache]: Analyzing trace with hash -193770103, now seen corresponding path program 1 times [2021-02-23 23:01:05,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:05,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365134102] [2021-02-23 23:01:05,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:05,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:05,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:05,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:05,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:05,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:05,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:05,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:05,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:05,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:05,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365134102] [2021-02-23 23:01:05,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:05,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:05,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143001884] [2021-02-23 23:01:05,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:05,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:05,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:05,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:05,298 INFO L87 Difference]: Start difference. First operand 1111 states and 1366 transitions. Second operand 4 states. [2021-02-23 23:01:05,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:05,798 INFO L93 Difference]: Finished difference Result 3161 states and 3895 transitions. [2021-02-23 23:01:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:05,799 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2021-02-23 23:01:05,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:05,805 INFO L225 Difference]: With dead ends: 3161 [2021-02-23 23:01:05,806 INFO L226 Difference]: Without dead ends: 1111 [2021-02-23 23:01:05,810 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 [2021-02-23 23:01:05,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2021-02-23 23:01:06,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 1111. [2021-02-23 23:01:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2021-02-23 23:01:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1302 transitions. [2021-02-23 23:01:06,032 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1302 transitions. Word has length 62 [2021-02-23 23:01:06,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:06,032 INFO L480 AbstractCegarLoop]: Abstraction has 1111 states and 1302 transitions. [2021-02-23 23:01:06,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1302 transitions. [2021-02-23 23:01:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-23 23:01:06,035 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:01:06,036 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] [2021-02-23 23:01:06,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 23:01:06,036 INFO L428 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:01:06,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:01:06,037 INFO L82 PathProgramCache]: Analyzing trace with hash 853409228, now seen corresponding path program 1 times [2021-02-23 23:01:06,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:01:06,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393041556] [2021-02-23 23:01:06,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:01:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:06,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:06,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:06,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:06,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:01:06,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:06,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:06,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:01:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:01:06,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:01:06,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:01:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:01:06,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393041556] [2021-02-23 23:01:06,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:01:06,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:01:06,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224721036] [2021-02-23 23:01:06,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:01:06,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:01:06,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:01:06,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:01:06,106 INFO L87 Difference]: Start difference. First operand 1111 states and 1302 transitions. Second operand 4 states. [2021-02-23 23:01:06,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:01:06,400 INFO L93 Difference]: Finished difference Result 1111 states and 1302 transitions. [2021-02-23 23:01:06,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:01:06,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2021-02-23 23:01:06,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:01:06,401 INFO L225 Difference]: With dead ends: 1111 [2021-02-23 23:01:06,401 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:01:06,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:01:06,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:01:06,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:01:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:01:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:01:06,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-02-23 23:01:06,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:01:06,405 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:01:06,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:01:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:01:06,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:01:06,406 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 23:01:06,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:01:06,593 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-02-23 23:01:06,842 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 31 [2021-02-23 23:01:07,210 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 31 [2021-02-23 23:01:07,328 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 53 [2021-02-23 23:01:07,440 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 41 [2021-02-23 23:01:07,718 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2021-02-23 23:01:08,074 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2021-02-23 23:01:08,270 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2021-02-23 23:01:08,498 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2021-02-23 23:01:08,603 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-02-23 23:01:08,975 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2021-02-23 23:01:09,118 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 45 [2021-02-23 23:01:09,438 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 31 [2021-02-23 23:01:09,672 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2021-02-23 23:01:10,065 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-02-23 23:01:10,352 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 39 [2021-02-23 23:01:10,786 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-02-23 23:01:11,887 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-02-23 23:01:12,831 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-02-23 23:01:13,390 WARN L202 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2021-02-23 23:01:13,498 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2021-02-23 23:01:13,692 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2021-02-23 23:01:14,281 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2021-02-23 23:01:15,409 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-02-23 23:01:15,635 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2021-02-23 23:01:15,882 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2021-02-23 23:01:16,409 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-02-23 23:01:17,448 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-02-23 23:01:18,696 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-02-23 23:01:18,905 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2021-02-23 23:01:21,508 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2021-02-23 23:01:21,957 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-02-23 23:01:22,375 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2021-02-23 23:01:22,385 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 23:01:22,386 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 23:01:22,386 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 23:01:22,386 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-23 23:01:22,386 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-23 23:01:22,386 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:01:22,386 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-23 23:01:22,387 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 23:01:22,387 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-23 23:01:22,387 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:01:22,387 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-23 23:01:22,387 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-23 23:01:22,387 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:01:22,387 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:01:22,387 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:01:22,388 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:01:22,388 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 23:01:22,388 INFO L192 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: true [2021-02-23 23:01:22,388 INFO L185 CegarLoopUtils]: At program point L60-1(lines 29 104) the Hoare annotation is: (let ((.cse6 (= main_~p2~0 0)) (.cse4 (= main_~lk4~0 1)) (.cse5 (= main_~p3~0 0)) (.cse3 (= main_~p1~0 0)) (.cse0 (= main_~lk3~0 1)) (.cse1 (= main_~lk2~0 1)) (.cse2 (= main_~p4~0 0)) (.cse7 (= main_~lk1~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse5 .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse6) (and .cse4 .cse5 .cse3 .cse6) (and .cse5 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse7) (and .cse0 .cse2 .cse6 .cse7) (and .cse5 .cse2 .cse6 .cse7) (and .cse4 .cse0 .cse6 .cse7) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse7) (and .cse4 .cse5 .cse1 .cse7) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse7))) [2021-02-23 23:01:22,388 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 6 109) the Hoare annotation is: true [2021-02-23 23:01:22,389 INFO L185 CegarLoopUtils]: At program point L85(line 85) the Hoare annotation is: (let ((.cse3 (= main_~p5~0 0)) (.cse0 (= main_~lk4~0 1)) (.cse2 (= main_~p6~0 0)) (.cse1 (= main_~lk3~0 1)) (.cse4 (= main_~lk6~0 1)) (.cse6 (= main_~p4~0 0)) (.cse5 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse5) (and .cse1 .cse2 .cse3 .cse6) (and .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse5) (and .cse1 .cse4 .cse6 .cse5))) [2021-02-23 23:01:22,389 INFO L185 CegarLoopUtils]: At program point L52-1(lines 29 104) the Hoare annotation is: (let ((.cse0 (= main_~lk2~0 1)) (.cse2 (= main_~p1~0 0)) (.cse3 (= main_~p2~0 0)) (.cse1 (= main_~lk1~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse0 .cse2) (and .cse3 .cse1))) [2021-02-23 23:01:22,389 INFO L192 CegarLoopUtils]: At program point L44(line 44) the Hoare annotation is: true [2021-02-23 23:01:22,389 INFO L192 CegarLoopUtils]: At program point L11(line 11) the Hoare annotation is: true [2021-02-23 23:01:22,389 INFO L192 CegarLoopUtils]: At program point L11-1(line 11) the Hoare annotation is: true [2021-02-23 23:01:22,389 INFO L192 CegarLoopUtils]: At program point L11-2(line 11) the Hoare annotation is: true [2021-02-23 23:01:22,390 INFO L185 CegarLoopUtils]: At program point L69(line 69) the Hoare annotation is: (let ((.cse0 (= main_~lk3~0 1)) (.cse6 (= main_~p2~0 0)) (.cse2 (= main_~p4~0 0)) (.cse3 (= main_~lk5~0 1)) (.cse4 (= main_~lk1~0 1)) (.cse8 (= main_~lk4~0 1)) (.cse7 (= main_~p3~0 0)) (.cse5 (= main_~p5~0 0)) (.cse1 (= main_~lk2~0 1)) (.cse9 (= main_~p1~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse6 .cse4) (and .cse7 .cse5 .cse1 .cse2 .cse4) (and .cse8 .cse0 .cse5 .cse6 .cse4) (and .cse7 .cse5 .cse2 .cse6 .cse4) (and .cse8 .cse7 .cse5 .cse1 .cse4) (and .cse8 .cse0 .cse1 .cse3 .cse4) (and .cse8 .cse0 .cse5 .cse1 .cse4) (and .cse7 .cse1 .cse2 .cse3 .cse9) (and .cse8 .cse7 .cse5 .cse6 .cse4) (and .cse8 .cse7 .cse1 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse9 .cse6) (and .cse8 .cse7 .cse3 .cse6 .cse4) (and .cse8 .cse7 .cse3 .cse9 .cse6) (and .cse7 .cse2 .cse3 .cse9 .cse6) (and .cse8 .cse0 .cse5 .cse1 .cse9) (and .cse7 .cse2 .cse3 .cse6 .cse4) (and .cse7 .cse5 .cse1 .cse2 .cse9) (and .cse8 .cse0 .cse1 .cse3 .cse9) (and .cse8 .cse0 .cse5 .cse9 .cse6) (and .cse8 .cse7 .cse5 .cse9 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse0 .cse2 .cse3 .cse9 .cse6) (and .cse8 .cse7 .cse1 .cse3 .cse9) (and .cse8 .cse0 .cse3 .cse9 .cse6) (and .cse0 .cse5 .cse1 .cse2 .cse9) (and .cse0 .cse2 .cse3 .cse6 .cse4) (and .cse8 .cse0 .cse3 .cse6 .cse4) (and .cse7 .cse5 .cse2 .cse9 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4) (and .cse8 .cse7 .cse5 .cse1 .cse9))) [2021-02-23 23:01:22,390 INFO L192 CegarLoopUtils]: At program point L36(line 36) the Hoare annotation is: true [2021-02-23 23:01:22,390 INFO L185 CegarLoopUtils]: At program point L61(line 61) the Hoare annotation is: (let ((.cse2 (= main_~lk1~0 1)) (.cse4 (= main_~p3~0 0)) (.cse1 (= main_~lk2~0 1)) (.cse0 (= main_~lk3~0 1)) (.cse5 (= main_~p1~0 0)) (.cse3 (= main_~p2~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse1 .cse2) (and .cse0 .cse1 .cse5) (and .cse4 .cse5 .cse3) (and .cse4 .cse3 .cse2) (and .cse4 .cse1 .cse5) (and .cse0 .cse5 .cse3))) [2021-02-23 23:01:22,390 INFO L185 CegarLoopUtils]: At program point L94-1(lines 29 104) the Hoare annotation is: (or (= main_~p6~0 0) (= main_~lk6~0 1)) [2021-02-23 23:01:22,390 INFO L185 CegarLoopUtils]: At program point L86(line 86) the Hoare annotation is: (let ((.cse3 (= main_~p5~0 0)) (.cse0 (= main_~lk4~0 1)) (.cse2 (= main_~p6~0 0)) (.cse1 (= main_~lk3~0 1)) (.cse4 (= main_~lk6~0 1)) (.cse6 (= main_~p4~0 0)) (.cse5 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse5) (and .cse1 .cse2 .cse3 .cse6) (and .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse5) (and .cse1 .cse4 .cse6 .cse5))) [2021-02-23 23:01:22,391 INFO L185 CegarLoopUtils]: At program point L53(line 53) the Hoare annotation is: (or (= main_~p1~0 0) (= main_~lk1~0 1)) [2021-02-23 23:01:22,391 INFO L192 CegarLoopUtils]: At program point L20(line 20) the Hoare annotation is: true [2021-02-23 23:01:22,391 INFO L192 CegarLoopUtils]: At program point L20-1(line 20) the Hoare annotation is: true [2021-02-23 23:01:22,391 INFO L192 CegarLoopUtils]: At program point L20-2(line 20) the Hoare annotation is: true [2021-02-23 23:01:22,391 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-23 23:01:22,391 INFO L185 CegarLoopUtils]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (= main_~lk5~0 1))) (or (and (= main_~lk6~0 1) .cse0) (and (= main_~p6~0 0) .cse0))) [2021-02-23 23:01:22,391 INFO L192 CegarLoopUtils]: At program point L21(line 21) the Hoare annotation is: true [2021-02-23 23:01:22,392 INFO L185 CegarLoopUtils]: At program point L79-1(lines 29 104) the Hoare annotation is: (let ((.cse2 (= main_~p5~0 0)) (.cse4 (= main_~p6~0 0)) (.cse6 (= main_~lk3~0 1)) (.cse7 (= main_~p4~0 0)) (.cse0 (= main_~lk4~0 1)) (.cse1 (= main_~p3~0 0)) (.cse3 (= main_~lk6~0 1)) (.cse5 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse0 .cse6 .cse4 .cse2) (and .cse4 .cse1 .cse2 .cse7) (and .cse6 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse3 .cse7) (and .cse1 .cse3 .cse7 .cse5) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse7 .cse5) (and .cse0 .cse6 .cse2 .cse3) (and .cse0 .cse6 .cse3 .cse5) (and .cse6 .cse4 .cse2 .cse7) (and .cse6 .cse2 .cse3 .cse7) (and .cse0 .cse6 .cse4 .cse5) (and .cse6 .cse3 .cse7 .cse5) (and .cse0 .cse1 .cse3 .cse5))) [2021-02-23 23:01:22,392 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 6 109) the Hoare annotation is: true [2021-02-23 23:01:22,392 INFO L192 CegarLoopUtils]: At program point L38(line 38) the Hoare annotation is: true [2021-02-23 23:01:22,392 INFO L185 CegarLoopUtils]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= main_~lk5~0 1))) (or (and (= main_~lk6~0 1) .cse0) (and (= main_~p6~0 0) .cse0))) [2021-02-23 23:01:22,392 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 107) the Hoare annotation is: false [2021-02-23 23:01:22,392 INFO L192 CegarLoopUtils]: At program point L30(line 30) the Hoare annotation is: true [2021-02-23 23:01:22,393 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 6 109) the Hoare annotation is: true [2021-02-23 23:01:22,393 INFO L192 CegarLoopUtils]: At program point L30-1(line 30) the Hoare annotation is: true [2021-02-23 23:01:22,393 INFO L192 CegarLoopUtils]: At program point L30-2(line 30) the Hoare annotation is: true [2021-02-23 23:01:22,393 INFO L185 CegarLoopUtils]: At program point L80(line 80) the Hoare annotation is: (let ((.cse0 (= main_~lk4~0 1)) (.cse6 (= main_~lk3~0 1)) (.cse2 (= main_~p5~0 0)) (.cse4 (= main_~lk6~0 1)) (.cse7 (= main_~p6~0 0)) (.cse1 (= main_~p3~0 0)) (.cse3 (= main_~lk2~0 1)) (.cse5 (= main_~p4~0 0)) (.cse8 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse3 .cse8) (and .cse0 .cse7 .cse1 .cse2 .cse3) (and .cse1 .cse3 .cse4 .cse5 .cse8) (and .cse6 .cse7 .cse3 .cse5 .cse8) (and .cse6 .cse7 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse6 .cse3 .cse4 .cse5 .cse8) (and .cse0 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse6 .cse3 .cse4 .cse8) (and .cse7 .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3) (and .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse3 .cse5 .cse8))) [2021-02-23 23:01:22,393 INFO L192 CegarLoopUtils]: At program point L14(line 14) the Hoare annotation is: true [2021-02-23 23:01:22,393 INFO L192 CegarLoopUtils]: At program point L14-1(line 14) the Hoare annotation is: true [2021-02-23 23:01:22,394 INFO L192 CegarLoopUtils]: At program point L14-2(line 14) the Hoare annotation is: true [2021-02-23 23:01:22,394 INFO L192 CegarLoopUtils]: At program point L105(lines 7 109) the Hoare annotation is: true [2021-02-23 23:01:22,394 INFO L192 CegarLoopUtils]: At program point L31(lines 31 33) the Hoare annotation is: true [2021-02-23 23:01:22,394 INFO L185 CegarLoopUtils]: At program point L64-1(lines 29 104) the Hoare annotation is: (let ((.cse0 (= main_~lk3~0 1)) (.cse6 (= main_~p2~0 0)) (.cse2 (= main_~p4~0 0)) (.cse3 (= main_~lk5~0 1)) (.cse4 (= main_~lk1~0 1)) (.cse8 (= main_~lk4~0 1)) (.cse7 (= main_~p3~0 0)) (.cse5 (= main_~p5~0 0)) (.cse1 (= main_~lk2~0 1)) (.cse9 (= main_~p1~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse6 .cse4) (and .cse7 .cse5 .cse2 .cse6 .cse4) (and .cse8 .cse0 .cse5 .cse6 .cse4) (and .cse7 .cse5 .cse1 .cse2 .cse4) (and .cse8 .cse7 .cse5 .cse1 .cse4) (and .cse8 .cse0 .cse1 .cse3 .cse4) (and .cse8 .cse0 .cse5 .cse1 .cse4) (and .cse7 .cse1 .cse2 .cse3 .cse9) (and .cse8 .cse7 .cse5 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse8 .cse7 .cse1 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse9 .cse6) (and .cse8 .cse7 .cse3 .cse6 .cse4) (and .cse8 .cse7 .cse3 .cse9 .cse6) (and .cse7 .cse2 .cse3 .cse9 .cse6) (and .cse8 .cse0 .cse5 .cse1 .cse9) (and .cse7 .cse2 .cse3 .cse6 .cse4) (and .cse7 .cse5 .cse1 .cse2 .cse9) (and .cse8 .cse0 .cse1 .cse3 .cse9) (and .cse8 .cse0 .cse5 .cse9 .cse6) (and .cse8 .cse7 .cse5 .cse9 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse0 .cse2 .cse3 .cse9 .cse6) (and .cse8 .cse7 .cse1 .cse3 .cse9) (and .cse8 .cse0 .cse3 .cse9 .cse6) (and .cse0 .cse5 .cse1 .cse2 .cse9) (and .cse8 .cse0 .cse3 .cse6 .cse4) (and .cse0 .cse2 .cse3 .cse6 .cse4) (and .cse7 .cse5 .cse2 .cse9 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4) (and .cse8 .cse7 .cse5 .cse1 .cse9))) [2021-02-23 23:01:22,394 INFO L185 CegarLoopUtils]: At program point L89-1(lines 29 104) the Hoare annotation is: (let ((.cse0 (= main_~lk6~0 1)) (.cse1 (= main_~lk5~0 1)) (.cse3 (= main_~p6~0 0)) (.cse2 (= main_~p5~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse1) (and .cse3 .cse2))) [2021-02-23 23:01:22,395 INFO L192 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: true [2021-02-23 23:01:22,395 INFO L185 CegarLoopUtils]: At program point L56-1(lines 29 104) the Hoare annotation is: (let ((.cse2 (= main_~lk1~0 1)) (.cse4 (= main_~p3~0 0)) (.cse1 (= main_~lk2~0 1)) (.cse0 (= main_~lk3~0 1)) (.cse5 (= main_~p1~0 0)) (.cse3 (= main_~p2~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse1 .cse2) (and .cse0 .cse1 .cse5) (and .cse4 .cse5 .cse3) (and .cse4 .cse3 .cse2) (and .cse4 .cse1 .cse5) (and .cse0 .cse5 .cse3))) [2021-02-23 23:01:22,395 INFO L192 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: true [2021-02-23 23:01:22,395 INFO L192 CegarLoopUtils]: At program point L23-2(line 23) the Hoare annotation is: true [2021-02-23 23:01:22,395 INFO L185 CegarLoopUtils]: At program point L81(line 81) the Hoare annotation is: (let ((.cse0 (= main_~lk4~0 1)) (.cse6 (= main_~lk3~0 1)) (.cse2 (= main_~p5~0 0)) (.cse4 (= main_~lk6~0 1)) (.cse7 (= main_~p6~0 0)) (.cse1 (= main_~p3~0 0)) (.cse3 (= main_~lk2~0 1)) (.cse5 (= main_~p4~0 0)) (.cse8 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse3 .cse8) (and .cse0 .cse7 .cse1 .cse2 .cse3) (and .cse1 .cse3 .cse4 .cse5 .cse8) (and .cse6 .cse7 .cse3 .cse5 .cse8) (and .cse6 .cse7 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse6 .cse3 .cse4 .cse5 .cse8) (and .cse0 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse6 .cse3 .cse4 .cse8) (and .cse7 .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3) (and .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse3 .cse5 .cse8))) [2021-02-23 23:01:22,396 INFO L192 CegarLoopUtils]: At program point L48(lines 48 50) the Hoare annotation is: true [2021-02-23 23:01:22,396 INFO L192 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: true [2021-02-23 23:01:22,396 INFO L185 CegarLoopUtils]: At program point L48-2(lines 29 104) the Hoare annotation is: (or (= main_~p1~0 0) (= main_~lk1~0 1)) [2021-02-23 23:01:22,396 INFO L192 CegarLoopUtils]: At program point L40(line 40) the Hoare annotation is: true [2021-02-23 23:01:22,396 INFO L185 CegarLoopUtils]: At program point L65(line 65) the Hoare annotation is: (let ((.cse6 (= main_~p2~0 0)) (.cse4 (= main_~lk4~0 1)) (.cse5 (= main_~p3~0 0)) (.cse3 (= main_~p1~0 0)) (.cse0 (= main_~lk3~0 1)) (.cse1 (= main_~lk2~0 1)) (.cse2 (= main_~p4~0 0)) (.cse7 (= main_~lk1~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse5 .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse6) (and .cse4 .cse5 .cse3 .cse6) (and .cse5 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse7) (and .cse0 .cse2 .cse6 .cse7) (and .cse5 .cse2 .cse6 .cse7) (and .cse4 .cse0 .cse6 .cse7) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse7) (and .cse4 .cse5 .cse1 .cse7) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse7))) [2021-02-23 23:01:22,396 INFO L185 CegarLoopUtils]: At program point L90(line 90) the Hoare annotation is: (let ((.cse2 (= main_~p5~0 0)) (.cse3 (= main_~lk6~0 1)) (.cse0 (= main_~lk4~0 1)) (.cse1 (= main_~p6~0 0)) (.cse4 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4))) [2021-02-23 23:01:22,397 INFO L185 CegarLoopUtils]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (= main_~lk2~0 1)) (.cse2 (= main_~p1~0 0)) (.cse3 (= main_~p2~0 0)) (.cse1 (= main_~lk1~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse0 .cse2) (and .cse3 .cse1))) [2021-02-23 23:01:22,397 INFO L192 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: true [2021-02-23 23:01:22,397 INFO L192 CegarLoopUtils]: At program point L49(line 49) the Hoare annotation is: true [2021-02-23 23:01:22,397 INFO L185 CegarLoopUtils]: At program point L107(line 107) the Hoare annotation is: false [2021-02-23 23:01:22,397 INFO L185 CegarLoopUtils]: At program point L74-1(lines 29 104) the Hoare annotation is: (let ((.cse0 (= main_~lk4~0 1)) (.cse1 (= main_~lk3~0 1)) (.cse2 (= main_~p5~0 0)) (.cse4 (= main_~lk6~0 1)) (.cse8 (= main_~p2~0 0)) (.cse5 (= main_~p6~0 0)) (.cse6 (= main_~p3~0 0)) (.cse3 (= main_~lk2~0 1)) (.cse9 (= main_~p4~0 0)) (.cse7 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse7) (and .cse0 .cse1 .cse5 .cse2 .cse8) (and .cse1 .cse4 .cse9 .cse7 .cse8) (and .cse6 .cse3 .cse4 .cse9 .cse7) (and .cse0 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse7 .cse8) (and .cse6 .cse2 .cse4 .cse9 .cse8) (and .cse0 .cse6 .cse4 .cse7 .cse8) (and .cse1 .cse3 .cse4 .cse9 .cse7) (and .cse0 .cse1 .cse5 .cse3 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse9 .cse7 .cse8) (and .cse5 .cse6 .cse9 .cse7 .cse8) (and .cse0 .cse5 .cse6 .cse2 .cse8) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse4 .cse8) (and .cse6 .cse2 .cse3 .cse4 .cse9) (and .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse1 .cse5 .cse3 .cse9 .cse7) (and .cse1 .cse5 .cse2 .cse3 .cse9) (and .cse0 .cse6 .cse3 .cse4 .cse7) (and .cse1 .cse5 .cse2 .cse9 .cse8) (and .cse5 .cse6 .cse2 .cse9 .cse8) (and .cse1 .cse2 .cse4 .cse9 .cse8) (and .cse1 .cse5 .cse9 .cse7 .cse8) (and .cse0 .cse1 .cse5 .cse7 .cse8) (and .cse5 .cse6 .cse2 .cse3 .cse9) (and .cse1 .cse2 .cse3 .cse4 .cse9) (and .cse0 .cse1 .cse2 .cse4 .cse8) (and .cse5 .cse6 .cse3 .cse9 .cse7))) [2021-02-23 23:01:22,398 INFO L192 CegarLoopUtils]: At program point L8(line 8) the Hoare annotation is: true [2021-02-23 23:01:22,398 INFO L192 CegarLoopUtils]: At program point L8-1(line 8) the Hoare annotation is: true [2021-02-23 23:01:22,398 INFO L192 CegarLoopUtils]: At program point L99-1(lines 29 104) the Hoare annotation is: true [2021-02-23 23:01:22,398 INFO L185 CegarLoopUtils]: At program point L91(line 91) the Hoare annotation is: (let ((.cse2 (= main_~p5~0 0)) (.cse3 (= main_~lk6~0 1)) (.cse0 (= main_~lk4~0 1)) (.cse1 (= main_~p6~0 0)) (.cse4 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4))) [2021-02-23 23:01:22,398 INFO L192 CegarLoopUtils]: At program point L17(line 17) the Hoare annotation is: true [2021-02-23 23:01:22,398 INFO L192 CegarLoopUtils]: At program point L17-1(line 17) the Hoare annotation is: true [2021-02-23 23:01:22,398 INFO L192 CegarLoopUtils]: At program point L17-2(line 17) the Hoare annotation is: true [2021-02-23 23:01:22,399 INFO L185 CegarLoopUtils]: At program point L108(line 108) the Hoare annotation is: false [2021-02-23 23:01:22,399 INFO L185 CegarLoopUtils]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= main_~lk4~0 1)) (.cse10 (= main_~lk2~0 1)) (.cse1 (= main_~p6~0 0)) (.cse2 (= main_~p3~0 0)) (.cse9 (= main_~p5~0 0)) (.cse8 (= main_~lk3~0 1)) (.cse6 (= main_~lk6~0 1)) (.cse7 (= main_~p4~0 0)) (.cse3 (= main_~lk5~0 1)) (.cse4 (= main_~p2~0 0)) (.cse5 (= main_~lk1~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse8 .cse9 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse9 .cse10 .cse5) (and .cse0 .cse8 .cse9 .cse6 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse3 .cse4 .cse5) (and .cse8 .cse1 .cse9 .cse7 .cse4 .cse5) (and .cse0 .cse2 .cse10 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse10 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse10 .cse6 .cse3 .cse5) (and .cse8 .cse10 .cse6 .cse7 .cse3 .cse5) (and .cse0 .cse8 .cse1 .cse9 .cse4 .cse5) (and .cse1 .cse2 .cse10 .cse7 .cse3 .cse5) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5) (and .cse8 .cse1 .cse9 .cse10 .cse7 .cse5) (and .cse8 .cse9 .cse10 .cse6 .cse7 .cse5) (and .cse0 .cse8 .cse1 .cse10 .cse3 .cse5) (and .cse2 .cse9 .cse10 .cse6 .cse7 .cse5) (and .cse0 .cse2 .cse9 .cse10 .cse6 .cse5) (and .cse2 .cse10 .cse6 .cse7 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse5) (and .cse0 .cse2 .cse9 .cse6 .cse4 .cse5) (and .cse8 .cse1 .cse10 .cse7 .cse3 .cse5) (and .cse2 .cse9 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse9 .cse10 .cse6 .cse5) (and .cse8 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse5) (and .cse1 .cse2 .cse9 .cse10 .cse7 .cse5) (and .cse1 .cse2 .cse9 .cse7 .cse4 .cse5) (and .cse8 .cse6 .cse7 .cse3 .cse4 .cse5))) [2021-02-23 23:01:22,399 INFO L192 CegarLoopUtils]: At program point L42(line 42) the Hoare annotation is: true [2021-02-23 23:01:22,399 INFO L192 CegarLoopUtils]: At program point L9(line 9) the Hoare annotation is: true [2021-02-23 23:01:22,399 INFO L185 CegarLoopUtils]: At program point L100(line 100) the Hoare annotation is: (= main_~lk6~0 1) [2021-02-23 23:01:22,400 INFO L185 CegarLoopUtils]: At program point L100-1(lines 7 109) the Hoare annotation is: false [2021-02-23 23:01:22,400 INFO L192 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: true [2021-02-23 23:01:22,400 INFO L185 CegarLoopUtils]: At program point L84-1(lines 29 104) the Hoare annotation is: (let ((.cse5 (= main_~lk6~0 1)) (.cse4 (= main_~p5~0 0)) (.cse1 (= main_~p4~0 0)) (.cse3 (= main_~lk4~0 1)) (.cse0 (= main_~p6~0 0)) (.cse2 (= main_~lk5~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse3 .cse5 .cse2) (and .cse4 .cse5 .cse1) (and .cse5 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse4 .cse1) (and .cse3 .cse0 .cse2))) [2021-02-23 23:01:22,400 INFO L192 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: true [2021-02-23 23:01:22,400 INFO L185 CegarLoopUtils]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= main_~lk4~0 1)) (.cse10 (= main_~lk2~0 1)) (.cse1 (= main_~p6~0 0)) (.cse2 (= main_~p3~0 0)) (.cse9 (= main_~p5~0 0)) (.cse8 (= main_~lk3~0 1)) (.cse6 (= main_~lk6~0 1)) (.cse7 (= main_~p4~0 0)) (.cse3 (= main_~lk5~0 1)) (.cse4 (= main_~p2~0 0)) (.cse5 (= main_~lk1~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse8 .cse9 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse9 .cse10 .cse5) (and .cse0 .cse8 .cse9 .cse6 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse3 .cse4 .cse5) (and .cse8 .cse1 .cse9 .cse7 .cse4 .cse5) (and .cse0 .cse2 .cse10 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse10 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse10 .cse6 .cse3 .cse5) (and .cse8 .cse10 .cse6 .cse7 .cse3 .cse5) (and .cse0 .cse8 .cse1 .cse9 .cse4 .cse5) (and .cse1 .cse2 .cse10 .cse7 .cse3 .cse5) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5) (and .cse8 .cse1 .cse9 .cse10 .cse7 .cse5) (and .cse8 .cse9 .cse10 .cse6 .cse7 .cse5) (and .cse0 .cse8 .cse1 .cse10 .cse3 .cse5) (and .cse2 .cse9 .cse10 .cse6 .cse7 .cse5) (and .cse0 .cse2 .cse9 .cse10 .cse6 .cse5) (and .cse2 .cse10 .cse6 .cse7 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse5) (and .cse0 .cse2 .cse9 .cse6 .cse4 .cse5) (and .cse8 .cse1 .cse10 .cse7 .cse3 .cse5) (and .cse2 .cse9 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse9 .cse10 .cse6 .cse5) (and .cse8 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse5) (and .cse1 .cse2 .cse9 .cse10 .cse7 .cse5) (and .cse1 .cse2 .cse9 .cse7 .cse4 .cse5) (and .cse8 .cse6 .cse7 .cse3 .cse4 .cse5))) [2021-02-23 23:01:22,401 INFO L185 CegarLoopUtils]: At program point L101(line 101) the Hoare annotation is: (= main_~lk6~0 1) [2021-02-23 23:01:22,401 INFO L185 CegarLoopUtils]: At program point L68-1(lines 29 104) the Hoare annotation is: (let ((.cse6 (= main_~lk6~0 1)) (.cse9 (= main_~p1~0 0)) (.cse10 (= main_~lk3~0 1)) (.cse3 (= main_~lk5~0 1)) (.cse0 (= main_~lk4~0 1)) (.cse4 (= main_~p2~0 0)) (.cse1 (= main_~p6~0 0)) (.cse2 (= main_~p3~0 0)) (.cse11 (= main_~p5~0 0)) (.cse8 (= main_~lk2~0 1)) (.cse7 (= main_~p4~0 0)) (.cse5 (= main_~lk1~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse8 .cse6 .cse3 .cse9) (and .cse10 .cse11 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse10 .cse1 .cse11 .cse9 .cse4) (and .cse0 .cse10 .cse11 .cse6 .cse4 .cse5) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse11 .cse6 .cse9 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse9 .cse4) (and .cse0 .cse10 .cse11 .cse6 .cse9 .cse4) (and .cse0 .cse10 .cse8 .cse6 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse3 .cse9 .cse4) (and .cse10 .cse11 .cse8 .cse6 .cse7 .cse9) (and .cse10 .cse1 .cse11 .cse8 .cse7 .cse5) (and .cse10 .cse11 .cse8 .cse6 .cse7 .cse5) (and .cse2 .cse11 .cse8 .cse6 .cse7 .cse9) (and .cse0 .cse10 .cse1 .cse8 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse11 .cse8 .cse9) (and .cse10 .cse1 .cse8 .cse7 .cse3 .cse5) (and .cse2 .cse11 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse10 .cse11 .cse8 .cse6 .cse5) (and .cse10 .cse11 .cse6 .cse7 .cse9 .cse4) (and .cse1 .cse2 .cse11 .cse7 .cse4 .cse5) (and .cse10 .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse9) (and .cse2 .cse11 .cse6 .cse7 .cse9 .cse4) (and .cse10 .cse1 .cse11 .cse7 .cse9 .cse4) (and .cse0 .cse10 .cse8 .cse6 .cse3 .cse9) (and .cse0 .cse10 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse10 .cse1 .cse11 .cse8 .cse5) (and .cse0 .cse10 .cse6 .cse3 .cse9 .cse4) (and .cse10 .cse8 .cse6 .cse7 .cse3 .cse9) (and .cse10 .cse1 .cse7 .cse3 .cse9 .cse4) (and .cse10 .cse1 .cse11 .cse7 .cse4 .cse5) (and .cse1 .cse2 .cse7 .cse3 .cse9 .cse4) (and .cse1 .cse2 .cse8 .cse7 .cse3 .cse9) (and .cse0 .cse2 .cse8 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse11 .cse8 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse10 .cse8 .cse6 .cse7 .cse3 .cse5) (and .cse0 .cse2 .cse11 .cse8 .cse6 .cse9) (and .cse10 .cse6 .cse7 .cse3 .cse9 .cse4) (and .cse0 .cse10 .cse1 .cse11 .cse4 .cse5) (and .cse1 .cse2 .cse8 .cse7 .cse3 .cse5) (and .cse10 .cse1 .cse8 .cse7 .cse3 .cse9) (and .cse0 .cse1 .cse2 .cse11 .cse9 .cse4) (and .cse2 .cse6 .cse7 .cse3 .cse9 .cse4) (and .cse0 .cse10 .cse11 .cse8 .cse6 .cse9) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5) (and .cse10 .cse1 .cse11 .cse8 .cse7 .cse9) (and .cse2 .cse8 .cse6 .cse7 .cse3 .cse9) (and .cse2 .cse11 .cse8 .cse6 .cse7 .cse5) (and .cse0 .cse2 .cse11 .cse8 .cse6 .cse5) (and .cse2 .cse8 .cse6 .cse7 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse8 .cse3 .cse9) (and .cse0 .cse2 .cse11 .cse6 .cse4 .cse5) (and .cse1 .cse2 .cse11 .cse8 .cse7 .cse9) (and .cse1 .cse2 .cse11 .cse7 .cse9 .cse4) (and .cse0 .cse10 .cse1 .cse11 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4) (and .cse10 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5) (and .cse1 .cse2 .cse11 .cse8 .cse7 .cse5))) [2021-02-23 23:01:22,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:01:22 BoogieIcfgContainer [2021-02-23 23:01:22,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:01:22,416 INFO L168 Benchmark]: Toolchain (without parser) took 23880.59 ms. Allocated memory was 151.0 MB in the beginning and 622.9 MB in the end (delta: 471.9 MB). Free memory was 127.6 MB in the beginning and 462.8 MB in the end (delta: -335.2 MB). Peak memory consumption was 376.7 MB. Max. memory is 8.0 GB. [2021-02-23 23:01:22,416 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 151.0 MB. Free memory is still 131.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:01:22,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.65 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 116.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 23:01:22,417 INFO L168 Benchmark]: Boogie Preprocessor took 38.30 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 115.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:01:22,417 INFO L168 Benchmark]: RCFGBuilder took 487.54 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 94.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-23 23:01:22,418 INFO L168 Benchmark]: TraceAbstraction took 22940.80 ms. Allocated memory was 151.0 MB in the beginning and 622.9 MB in the end (delta: 471.9 MB). Free memory was 93.6 MB in the beginning and 462.8 MB in the end (delta: -369.2 MB). Peak memory consumption was 343.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:01:22,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 151.0 MB. Free memory is still 131.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 388.65 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 116.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 38.30 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 115.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 487.54 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 94.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22940.80 ms. Allocated memory was 151.0 MB in the beginning and 622.9 MB in the end (delta: 471.9 MB). Free memory was 93.6 MB in the beginning and 462.8 MB in the end (delta: -369.2 MB). Peak memory consumption was 343.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 6]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1447 SDtfs, 1651 SDslu, 184 SDs, 0 SdLazy, 1044 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1111occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 535 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 87 LocationsWithAnnotation, 87 PreInvPairs, 2143 NumberOfFragments, 5883 HoareAnnotationTreeSize, 87 FomulaSimplifications, 423099 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 87 FomulaSimplificationsInter, 12518 FormulaSimplificationTreeSizeReductionInter, 11.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 720 NumberOfCodeBlocks, 720 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 708 ConstructedInterpolants, 0 QuantifiedInterpolants, 72260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 correct! Received shutdown request...