/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:24:43,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:24:43,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:24:43,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:24:43,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:24:43,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:24:43,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:24:43,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:24:43,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:24:43,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:24:43,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:24:43,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:24:43,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:24:43,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:24:43,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:24:43,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:24:43,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:24:43,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:24:43,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:24:43,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:24:43,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:24:43,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:24:43,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:24:43,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:24:43,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 16:24:43,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:24:43,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:24:43,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:24:43,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 16:24:43,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:24:43,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:24:43,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:24:43,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:24:43,275 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:24:43,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:24:43,276 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:24:43,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:24:43,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:24:43,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:24:43,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:24:43,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:24:43,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:24:43,279 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:24:43,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:24:43,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:24:43,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:24:43,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:24:43,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:24:43,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:24:43,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:24:43,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:24:43,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:24:43,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:24:43,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:24:43,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:24:43,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:24:43,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:24:43,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:24:43,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:24:43,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:24:43,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:24:43,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:24:43,725 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:24:43,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2021-02-21 16:24:43,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f809e7c1/de9a43a4e584473eb4aa592a3964bdbc/FLAGd0eb4011b [2021-02-21 16:24:44,372 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:24:44,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2021-02-21 16:24:44,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f809e7c1/de9a43a4e584473eb4aa592a3964bdbc/FLAGd0eb4011b [2021-02-21 16:24:44,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f809e7c1/de9a43a4e584473eb4aa592a3964bdbc [2021-02-21 16:24:44,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:24:44,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:24:44,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:24:44,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:24:44,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:24:44,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:24:44" (1/1) ... [2021-02-21 16:24:44,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6545fb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:44, skipping insertion in model container [2021-02-21 16:24:44,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:24:44" (1/1) ... [2021-02-21 16:24:44,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:24:44,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:24:44,913 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2021-02-21 16:24:44,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:24:44,956 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:24:44,978 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2021-02-21 16:24:45,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:24:45,044 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:24:45,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45 WrapperNode [2021-02-21 16:24:45,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:24:45,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:24:45,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:24:45,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:24:45,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (1/1) ... [2021-02-21 16:24:45,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (1/1) ... [2021-02-21 16:24:45,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (1/1) ... [2021-02-21 16:24:45,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (1/1) ... [2021-02-21 16:24:45,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (1/1) ... [2021-02-21 16:24:45,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (1/1) ... [2021-02-21 16:24:45,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (1/1) ... [2021-02-21 16:24:45,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:24:45,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:24:45,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:24:45,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:24:45,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:24:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:24:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:24:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:24:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-21 16:24:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure insert [2021-02-21 16:24:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure elem_exists [2021-02-21 16:24:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:24:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:24:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:24:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:24:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:24:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:24:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:24:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-21 16:24:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 16:24:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure insert [2021-02-21 16:24:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:24:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure elem_exists [2021-02-21 16:24:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:24:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:24:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:24:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:24:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:24:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:24:45,963 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:24:45,963 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-02-21 16:24:45,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:24:45 BoogieIcfgContainer [2021-02-21 16:24:45,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:24:45,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:24:45,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:24:45,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:24:45,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:24:44" (1/3) ... [2021-02-21 16:24:45,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27241cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:24:45, skipping insertion in model container [2021-02-21 16:24:45,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:45" (2/3) ... [2021-02-21 16:24:45,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27241cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:24:45, skipping insertion in model container [2021-02-21 16:24:45,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:24:45" (3/3) ... [2021-02-21 16:24:45,975 INFO L111 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2021-02-21 16:24:45,983 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:24:45,989 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:24:46,008 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:24:46,036 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:24:46,037 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:24:46,037 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:24:46,037 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:24:46,037 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:24:46,037 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:24:46,038 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:24:46,038 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:24:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2021-02-21 16:24:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-21 16:24:46,062 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:24:46,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:24:46,063 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:24:46,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:24:46,069 INFO L82 PathProgramCache]: Analyzing trace with hash 183486019, now seen corresponding path program 1 times [2021-02-21 16:24:46,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:24:46,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479137505] [2021-02-21 16:24:46,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:24:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:46,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:46,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:46,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:46,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:24:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:46,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:24:46,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479137505] [2021-02-21 16:24:46,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:24:46,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:24:46,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360944224] [2021-02-21 16:24:46,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:24:46,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:24:46,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:24:46,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:24:46,364 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2021-02-21 16:24:46,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:24:46,706 INFO L93 Difference]: Finished difference Result 150 states and 228 transitions. [2021-02-21 16:24:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:24:46,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-02-21 16:24:46,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:24:46,719 INFO L225 Difference]: With dead ends: 150 [2021-02-21 16:24:46,719 INFO L226 Difference]: Without dead ends: 89 [2021-02-21 16:24:46,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:24:46,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-02-21 16:24:46,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 57. [2021-02-21 16:24:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-02-21 16:24:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2021-02-21 16:24:46,832 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 14 [2021-02-21 16:24:46,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:24:46,833 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2021-02-21 16:24:46,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:24:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2021-02-21 16:24:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-02-21 16:24:46,839 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:24:46,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:24:46,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:24:46,840 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:24:46,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:24:46,841 INFO L82 PathProgramCache]: Analyzing trace with hash -210736667, now seen corresponding path program 1 times [2021-02-21 16:24:46,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:24:46,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016831284] [2021-02-21 16:24:46,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:24:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:46,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:46,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:46,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:46,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:46,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:24:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:46,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:46,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:24:46,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016831284] [2021-02-21 16:24:46,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204174125] [2021-02-21 16:24:46,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-21 16:24:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:47,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-02-21 16:24:47,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-21 16:24:47,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:24:47,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:24:47,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:47,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:24:47,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:24:47,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:47,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:47,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:47,239 WARN L141 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-02-21 16:24:47,240 WARN L147 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size 1 [2021-02-21 16:24:47,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:47,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:47,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:24:47,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-21 16:24:47,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-02-21 16:24:47,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812307960] [2021-02-21 16:24:47,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:24:47,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:24:47,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:24:47,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:24:47,314 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand 6 states. [2021-02-21 16:24:47,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:24:47,731 INFO L93 Difference]: Finished difference Result 170 states and 222 transitions. [2021-02-21 16:24:47,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:24:47,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2021-02-21 16:24:47,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:24:47,740 INFO L225 Difference]: With dead ends: 170 [2021-02-21 16:24:47,741 INFO L226 Difference]: Without dead ends: 122 [2021-02-21 16:24:47,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:24:47,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-02-21 16:24:47,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 59. [2021-02-21 16:24:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-02-21 16:24:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2021-02-21 16:24:47,781 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 16 [2021-02-21 16:24:47,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:24:47,783 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2021-02-21 16:24:47,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:24:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2021-02-21 16:24:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-02-21 16:24:47,784 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:24:47,784 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:24:47,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-02-21 16:24:47,985 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:24:47,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:24:47,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1101615865, now seen corresponding path program 2 times [2021-02-21 16:24:47,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:24:47,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69422423] [2021-02-21 16:24:47,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:24:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:24:48,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 16:24:48,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:24:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-21 16:24:48,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69422423] [2021-02-21 16:24:48,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:24:48,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:24:48,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29169145] [2021-02-21 16:24:48,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:24:48,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:24:48,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:24:48,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:24:48,112 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. Second operand 5 states. [2021-02-21 16:24:48,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:24:48,268 INFO L93 Difference]: Finished difference Result 112 states and 140 transitions. [2021-02-21 16:24:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:24:48,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2021-02-21 16:24:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:24:48,270 INFO L225 Difference]: With dead ends: 112 [2021-02-21 16:24:48,270 INFO L226 Difference]: Without dead ends: 63 [2021-02-21 16:24:48,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:24:48,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-02-21 16:24:48,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2021-02-21 16:24:48,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-02-21 16:24:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2021-02-21 16:24:48,280 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 18 [2021-02-21 16:24:48,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:24:48,280 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2021-02-21 16:24:48,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:24:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2021-02-21 16:24:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-21 16:24:48,282 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:24:48,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:24:48,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 16:24:48,283 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:24:48,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:24:48,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1049624209, now seen corresponding path program 1 times [2021-02-21 16:24:48,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:24:48,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820127389] [2021-02-21 16:24:48,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:24:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:24:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-02-21 16:24:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-21 16:24:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-21 16:24:48,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820127389] [2021-02-21 16:24:48,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:24:48,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:24:48,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300021399] [2021-02-21 16:24:48,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:24:48,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:24:48,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:24:48,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:24:48,376 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand 5 states. [2021-02-21 16:24:48,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:24:48,578 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2021-02-21 16:24:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-21 16:24:48,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2021-02-21 16:24:48,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:24:48,580 INFO L225 Difference]: With dead ends: 125 [2021-02-21 16:24:48,580 INFO L226 Difference]: Without dead ends: 80 [2021-02-21 16:24:48,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:24:48,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-21 16:24:48,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 62. [2021-02-21 16:24:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2021-02-21 16:24:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2021-02-21 16:24:48,590 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 37 [2021-02-21 16:24:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:24:48,591 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2021-02-21 16:24:48,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:24:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2021-02-21 16:24:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-02-21 16:24:48,592 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:24:48,592 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:24:48,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 16:24:48,593 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:24:48,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:24:48,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1502959087, now seen corresponding path program 1 times [2021-02-21 16:24:48,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:24:48,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256346879] [2021-02-21 16:24:48,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:24:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:24:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 16:24:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-02-21 16:24:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,741 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-21 16:24:48,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256346879] [2021-02-21 16:24:48,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209396343] [2021-02-21 16:24:48,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-21 16:24:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:48,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjunts are in the unsatisfiable core [2021-02-21 16:24:48,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-21 16:24:48,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:24:48,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:24:48,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:48,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:24:48,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:24:48,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:48,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:48,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:24:48,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:24:48,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:48,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:24:48,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:24:48,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:48,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:24:48,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:48,962 WARN L141 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-02-21 16:24:48,962 WARN L147 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size 1 [2021-02-21 16:24:48,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:48,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:48,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:49,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-21 16:24:49,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-21 16:24:49,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-02-21 16:24:49,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181501428] [2021-02-21 16:24:49,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:24:49,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:24:49,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:24:49,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:24:49,073 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand 9 states. [2021-02-21 16:24:49,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:24:49,690 INFO L93 Difference]: Finished difference Result 283 states and 380 transitions. [2021-02-21 16:24:49,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-21 16:24:49,691 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2021-02-21 16:24:49,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:24:49,695 INFO L225 Difference]: With dead ends: 283 [2021-02-21 16:24:49,695 INFO L226 Difference]: Without dead ends: 232 [2021-02-21 16:24:49,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-02-21 16:24:49,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-02-21 16:24:49,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 81. [2021-02-21 16:24:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-21 16:24:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2021-02-21 16:24:49,737 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 39 [2021-02-21 16:24:49,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:24:49,740 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2021-02-21 16:24:49,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:24:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2021-02-21 16:24:49,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-21 16:24:49,742 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:24:49,742 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:24:49,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-21 16:24:49,957 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:24:49,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:24:49,958 INFO L82 PathProgramCache]: Analyzing trace with hash 203060459, now seen corresponding path program 2 times [2021-02-21 16:24:49,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:24:49,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105740253] [2021-02-21 16:24:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:24:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:50,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:50,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:24:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:50,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-21 16:24:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:50,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:24:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-02-21 16:24:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:50,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-02-21 16:24:50,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105740253] [2021-02-21 16:24:50,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:24:50,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:24:50,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499359525] [2021-02-21 16:24:50,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:24:50,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:24:50,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:24:50,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:24:50,113 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand 6 states. [2021-02-21 16:24:50,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:24:50,322 INFO L93 Difference]: Finished difference Result 137 states and 172 transitions. [2021-02-21 16:24:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:24:50,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2021-02-21 16:24:50,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:24:50,324 INFO L225 Difference]: With dead ends: 137 [2021-02-21 16:24:50,324 INFO L226 Difference]: Without dead ends: 89 [2021-02-21 16:24:50,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:24:50,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-02-21 16:24:50,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-02-21 16:24:50,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-02-21 16:24:50,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 107 transitions. [2021-02-21 16:24:50,333 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 107 transitions. Word has length 43 [2021-02-21 16:24:50,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:24:50,333 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 107 transitions. [2021-02-21 16:24:50,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:24:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2021-02-21 16:24:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-21 16:24:50,335 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:24:50,335 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:24:50,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 16:24:50,335 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:24:50,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:24:50,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1620649762, now seen corresponding path program 1 times [2021-02-21 16:24:50,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:24:50,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181366632] [2021-02-21 16:24:50,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:24:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:50,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:50,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:24:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:50,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-21 16:24:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:50,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:24:50,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:24:50,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-02-21 16:24:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:24:50,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:24:50,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:24:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-02-21 16:24:50,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181366632] [2021-02-21 16:24:50,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:24:50,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 16:24:50,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649130984] [2021-02-21 16:24:50,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 16:24:50,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:24:50,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 16:24:50,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-21 16:24:50,454 INFO L87 Difference]: Start difference. First operand 87 states and 107 transitions. Second operand 7 states. [2021-02-21 16:24:50,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:24:50,659 INFO L93 Difference]: Finished difference Result 107 states and 131 transitions. [2021-02-21 16:24:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 16:24:50,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2021-02-21 16:24:50,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:24:50,662 INFO L225 Difference]: With dead ends: 107 [2021-02-21 16:24:50,663 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 16:24:50,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-02-21 16:24:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 16:24:50,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 16:24:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 16:24:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 16:24:50,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2021-02-21 16:24:50,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:24:50,666 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 16:24:50,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 16:24:50,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 16:24:50,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 16:24:50,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 16:24:50,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 16:24:50,952 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-21 16:24:50,952 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-21 16:24:50,952 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-21 16:24:50,952 INFO L192 CegarLoopUtils]: At program point elem_existsENTRY(lines 20 26) the Hoare annotation is: true [2021-02-21 16:24:50,952 INFO L189 CegarLoopUtils]: For program point elem_existsEXIT(lines 20 26) no Hoare annotation was computed. [2021-02-21 16:24:50,953 INFO L189 CegarLoopUtils]: For program point L23(line 23) no Hoare annotation was computed. [2021-02-21 16:24:50,953 INFO L189 CegarLoopUtils]: For program point L22-2(lines 22 24) no Hoare annotation was computed. [2021-02-21 16:24:50,953 INFO L185 CegarLoopUtils]: At program point L22-3(lines 22 24) the Hoare annotation is: (and (<= 0 elem_exists_~i~0) (= elem_exists_~size |elem_exists_#in~size|)) [2021-02-21 16:24:50,953 INFO L189 CegarLoopUtils]: For program point L22-4(lines 22 24) no Hoare annotation was computed. [2021-02-21 16:24:50,953 INFO L189 CegarLoopUtils]: For program point elem_existsFINAL(lines 20 26) no Hoare annotation was computed. [2021-02-21 16:24:50,953 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:24:50,954 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-21 16:24:50,954 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:24:50,954 INFO L192 CegarLoopUtils]: At program point insertENTRY(lines 16 19) the Hoare annotation is: true [2021-02-21 16:24:50,954 INFO L189 CegarLoopUtils]: For program point insertFINAL(lines 16 19) no Hoare annotation was computed. [2021-02-21 16:24:50,954 INFO L189 CegarLoopUtils]: For program point insertEXIT(lines 16 19) no Hoare annotation was computed. [2021-02-21 16:24:50,954 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:24:50,954 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 16:24:50,955 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 16:24:50,955 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:24:50,955 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 27 67) no Hoare annotation was computed. [2021-02-21 16:24:50,955 INFO L185 CegarLoopUtils]: At program point L52(line 52) the Hoare annotation is: (and (= main_~x~0 0) (= main_~n~0 0)) [2021-02-21 16:24:50,956 INFO L189 CegarLoopUtils]: For program point L52-1(line 52) no Hoare annotation was computed. [2021-02-21 16:24:50,956 INFO L189 CegarLoopUtils]: For program point L52-2(lines 52 54) no Hoare annotation was computed. [2021-02-21 16:24:50,956 INFO L189 CegarLoopUtils]: For program point L52-4(lines 52 54) no Hoare annotation was computed. [2021-02-21 16:24:50,957 INFO L189 CegarLoopUtils]: For program point L61-2(lines 61 65) no Hoare annotation was computed. [2021-02-21 16:24:50,957 INFO L185 CegarLoopUtils]: At program point L61-3(lines 61 65) the Hoare annotation is: (and (= main_~x~0 0) (= main_~n~0 0)) [2021-02-21 16:24:50,957 INFO L189 CegarLoopUtils]: For program point L61-4(lines 61 65) no Hoare annotation was computed. [2021-02-21 16:24:50,957 INFO L185 CegarLoopUtils]: At program point L53(line 53) the Hoare annotation is: false [2021-02-21 16:24:50,957 INFO L189 CegarLoopUtils]: For program point L53-1(line 53) no Hoare annotation was computed. [2021-02-21 16:24:50,957 INFO L189 CegarLoopUtils]: For program point L62-2(lines 62 64) no Hoare annotation was computed. [2021-02-21 16:24:50,957 INFO L185 CegarLoopUtils]: At program point L62-3(lines 62 64) the Hoare annotation is: false [2021-02-21 16:24:50,957 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 27 67) no Hoare annotation was computed. [2021-02-21 16:24:50,959 INFO L185 CegarLoopUtils]: At program point L63(line 63) the Hoare annotation is: false [2021-02-21 16:24:50,959 INFO L189 CegarLoopUtils]: For program point L63-1(line 63) no Hoare annotation was computed. [2021-02-21 16:24:50,959 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 27 67) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2021-02-21 16:24:50,959 INFO L189 CegarLoopUtils]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2021-02-21 16:24:50,960 INFO L185 CegarLoopUtils]: At program point L55-3(lines 55 59) the Hoare annotation is: (and (= main_~x~0 0) (= main_~n~0 0)) [2021-02-21 16:24:50,960 INFO L189 CegarLoopUtils]: For program point L47-2(lines 47 50) no Hoare annotation was computed. [2021-02-21 16:24:50,960 INFO L185 CegarLoopUtils]: At program point L47-3(lines 47 50) the Hoare annotation is: (and (= main_~x~0 0) (= main_~n~0 0)) [2021-02-21 16:24:50,960 INFO L189 CegarLoopUtils]: For program point L47-4(lines 47 50) no Hoare annotation was computed. [2021-02-21 16:24:50,960 INFO L189 CegarLoopUtils]: For program point L39-2(lines 39 43) no Hoare annotation was computed. [2021-02-21 16:24:50,961 INFO L185 CegarLoopUtils]: At program point L39-3(lines 39 43) the Hoare annotation is: (and (= main_~x~0 0) (= main_~n~0 0)) [2021-02-21 16:24:50,961 INFO L189 CegarLoopUtils]: For program point L39-4(lines 39 43) no Hoare annotation was computed. [2021-02-21 16:24:50,961 INFO L189 CegarLoopUtils]: For program point L56-2(lines 56 58) no Hoare annotation was computed. [2021-02-21 16:24:50,961 INFO L185 CegarLoopUtils]: At program point L56-3(lines 56 58) the Hoare annotation is: false [2021-02-21 16:24:50,961 INFO L189 CegarLoopUtils]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2021-02-21 16:24:50,962 INFO L185 CegarLoopUtils]: At program point L40-3(lines 40 42) the Hoare annotation is: false [2021-02-21 16:24:50,962 INFO L185 CegarLoopUtils]: At program point L57(line 57) the Hoare annotation is: false [2021-02-21 16:24:50,962 INFO L189 CegarLoopUtils]: For program point L57-1(line 57) no Hoare annotation was computed. [2021-02-21 16:24:50,962 INFO L185 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: false [2021-02-21 16:24:50,962 INFO L189 CegarLoopUtils]: For program point L41-1(line 41) no Hoare annotation was computed. [2021-02-21 16:24:50,962 INFO L189 CegarLoopUtils]: For program point L33-2(lines 33 36) no Hoare annotation was computed. [2021-02-21 16:24:50,963 INFO L185 CegarLoopUtils]: At program point L33-3(lines 33 36) the Hoare annotation is: (= main_~n~0 0) [2021-02-21 16:24:50,963 INFO L189 CegarLoopUtils]: For program point L33-4(lines 33 36) no Hoare annotation was computed. [2021-02-21 16:24:50,963 INFO L189 CegarLoopUtils]: For program point L51-2(lines 51 60) no Hoare annotation was computed. [2021-02-21 16:24:50,963 INFO L185 CegarLoopUtils]: At program point L51-3(lines 51 60) the Hoare annotation is: (and (= main_~x~0 0) (= main_~n~0 0)) [2021-02-21 16:24:50,963 INFO L189 CegarLoopUtils]: For program point L51-4(lines 51 60) no Hoare annotation was computed. [2021-02-21 16:24:50,963 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(line 13) the Hoare annotation is: true [2021-02-21 16:24:50,964 INFO L189 CegarLoopUtils]: For program point L13(line 13) no Hoare annotation was computed. [2021-02-21 16:24:50,964 INFO L189 CegarLoopUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2021-02-21 16:24:50,964 INFO L189 CegarLoopUtils]: For program point L13-3(line 13) no Hoare annotation was computed. [2021-02-21 16:24:50,964 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2021-02-21 16:24:50,964 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-02-21 16:24:50,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:24:50 BoogieIcfgContainer [2021-02-21 16:24:50,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:24:50,988 INFO L168 Benchmark]: Toolchain (without parser) took 6266.49 ms. Allocated memory was 155.2 MB in the beginning and 190.8 MB in the end (delta: 35.7 MB). Free memory was 131.2 MB in the beginning and 86.5 MB in the end (delta: 44.7 MB). Peak memory consumption was 81.4 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:50,988 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 155.2 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:24:50,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.04 ms. Allocated memory is still 155.2 MB. Free memory was 130.1 MB in the beginning and 119.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:50,988 INFO L168 Benchmark]: Boogie Preprocessor took 100.88 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 117.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:50,988 INFO L168 Benchmark]: RCFGBuilder took 812.38 ms. Allocated memory is still 155.2 MB. Free memory was 117.2 MB in the beginning and 131.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:50,992 INFO L168 Benchmark]: TraceAbstraction took 5019.49 ms. Allocated memory was 155.2 MB in the beginning and 190.8 MB in the end (delta: 35.7 MB). Free memory was 131.0 MB in the beginning and 86.5 MB in the end (delta: 44.6 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:50,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 155.2 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 313.04 ms. Allocated memory is still 155.2 MB. Free memory was 130.1 MB in the beginning and 119.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 100.88 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 117.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 812.38 ms. Allocated memory is still 155.2 MB. Free memory was 117.2 MB in the beginning and 131.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5019.49 ms. Allocated memory was 155.2 MB in the beginning and 190.8 MB in the end (delta: 35.7 MB). Free memory was 131.0 MB in the beginning and 86.5 MB in the end (delta: 44.6 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: x == 0 && n == 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: n == 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 <= i && size == \old(size) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: x == 0 && n == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: x == 0 && n == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: x == 0 && n == 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: x == 0 && n == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 397 SDtfs, 530 SDslu, 562 SDs, 0 SdLazy, 904 SolverSat, 277 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 268 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 70 PreInvPairs, 85 NumberOfFragments, 99 HoareAnnotationTreeSize, 70 FomulaSimplifications, 340 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 17688 SizeOfPredicates, 0 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 39/46 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...