/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/loops/sum04-1.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-1a84f73
[2021-04-30 22:38:40,140 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-04-30 22:38:40,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-04-30 22:38:40,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-04-30 22:38:40,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-04-30 22:38:40,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-04-30 22:38:40,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-04-30 22:38:40,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-04-30 22:38:40,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-04-30 22:38:40,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-04-30 22:38:40,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-04-30 22:38:40,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-04-30 22:38:40,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-04-30 22:38:40,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-04-30 22:38:40,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-04-30 22:38:40,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-04-30 22:38:40,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-04-30 22:38:40,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-04-30 22:38:40,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-04-30 22:38:40,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-04-30 22:38:40,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-04-30 22:38:40,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-04-30 22:38:40,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-04-30 22:38:40,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2021-04-30 22:38:40,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-04-30 22:38:40,212 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
[2021-04-30 22:38:40,232 INFO L113 SettingsManager]: Loading preferences was successful
[2021-04-30 22:38:40,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-04-30 22:38:40,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-04-30 22:38:40,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-04-30 22:38:40,234 INFO L138 SettingsManager]: * Use SBE=true
[2021-04-30 22:38:40,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-04-30 22:38:40,234 INFO L138 SettingsManager]: * sizeof long=4
[2021-04-30 22:38:40,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-04-30 22:38:40,235 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-04-30 22:38:40,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-04-30 22:38:40,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-04-30 22:38:40,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-04-30 22:38:40,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-04-30 22:38:40,236 INFO L138 SettingsManager]: * sizeof long double=12
[2021-04-30 22:38:40,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-04-30 22:38:40,236 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-04-30 22:38:40,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-04-30 22:38:40,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-04-30 22:38:40,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-04-30 22:38:40,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-04-30 22:38:40,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-04-30 22:38:40,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-04-30 22:38:40,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-04-30 22:38:40,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-04-30 22:38:40,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-04-30 22:38:40,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-04-30 22:38:40,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-04-30 22:38:40,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-04-30 22:38:40,238 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-04-30 22:38:40,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-04-30 22:38:40,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-04-30 22:38:40,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-04-30 22:38:40,553 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-04-30 22:38:40,555 INFO L275 PluginConnector]: CDTParser initialized
[2021-04-30 22:38:40,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum04-1.i
[2021-04-30 22:38:40,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89e500ad2/4a3bab63e3b64382a3a8a69f003b9ff4/FLAG11248af8d
[2021-04-30 22:38:41,110 INFO L306 CDTParser]: Found 1 translation units.
[2021-04-30 22:38:41,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum04-1.i
[2021-04-30 22:38:41,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89e500ad2/4a3bab63e3b64382a3a8a69f003b9ff4/FLAG11248af8d
[2021-04-30 22:38:41,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89e500ad2/4a3bab63e3b64382a3a8a69f003b9ff4
[2021-04-30 22:38:41,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-04-30 22:38:41,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-04-30 22:38:41,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-04-30 22:38:41,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-04-30 22:38:41,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-04-30 22:38:41,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717e85b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41, skipping insertion in model container
[2021-04-30 22:38:41,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-04-30 22:38:41,623 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-04-30 22:38:41,732 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum04-1.i[808,821]
[2021-04-30 22:38:41,742 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-04-30 22:38:41,749 INFO L203 MainTranslator]: Completed pre-run
[2021-04-30 22:38:41,759 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum04-1.i[808,821]
[2021-04-30 22:38:41,761 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-04-30 22:38:41,772 INFO L208 MainTranslator]: Completed translation
[2021-04-30 22:38:41,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41 WrapperNode
[2021-04-30 22:38:41,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-04-30 22:38:41,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-04-30 22:38:41,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-04-30 22:38:41,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-04-30 22:38:41,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (1/1) ...
[2021-04-30 22:38:41,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-04-30 22:38:41,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-04-30 22:38:41,843 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-04-30 22:38:41,843 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-04-30 22:38:41,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-04-30 22:38:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-04-30 22:38:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-04-30 22:38:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-04-30 22:38:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-04-30 22:38:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-04-30 22:38:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-04-30 22:38:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-04-30 22:38:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2021-04-30 22:38:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2021-04-30 22:38:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-04-30 22:38:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-04-30 22:38:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-04-30 22:38:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-04-30 22:38:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-04-30 22:38:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-04-30 22:38:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-04-30 22:38:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-04-30 22:38:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-04-30 22:38:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-04-30 22:38:42,181 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-04-30 22:38:42,181 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-04-30 22:38:42,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:38:42 BoogieIcfgContainer
[2021-04-30 22:38:42,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-04-30 22:38:42,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-04-30 22:38:42,184 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-04-30 22:38:42,186 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-04-30 22:38:42,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:38:41" (1/3) ...
[2021-04-30 22:38:42,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ede154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:38:42, skipping insertion in model container
[2021-04-30 22:38:42,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:38:41" (2/3) ...
[2021-04-30 22:38:42,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ede154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:38:42, skipping insertion in model container
[2021-04-30 22:38:42,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:38:42" (3/3) ...
[2021-04-30 22:38:42,202 INFO L111 eAbstractionObserver]: Analyzing ICFG sum04-1.i
[2021-04-30 22:38:42,207 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-04-30 22:38:42,210 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-04-30 22:38:42,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-04-30 22:38:42,267 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-04-30 22:38:42,268 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-04-30 22:38:42,268 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-04-30 22:38:42,268 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-04-30 22:38:42,268 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-04-30 22:38:42,268 INFO L381 AbstractCegarLoop]: Difference is false
[2021-04-30 22:38:42,268 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-04-30 22:38:42,268 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-04-30 22:38:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-04-30 22:38:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-04-30 22:38:42,289 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:42,290 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:42,291 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:42,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:42,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1466806487, now seen corresponding path program 1 times
[2021-04-30 22:38:42,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:42,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954659281]
[2021-04-30 22:38:42,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:42,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:42,548 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:42,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954659281]
[2021-04-30 22:38:42,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954659281] provided 1 perfect and 0 imperfect interpolant sequences
[2021-04-30 22:38:42,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-30 22:38:42,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-30 22:38:42,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140442714]
[2021-04-30 22:38:42,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-30 22:38:42,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:42,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-30 22:38:42,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-30 22:38:42,570 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:42,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:42,640 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions.
[2021-04-30 22:38:42,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-04-30 22:38:42,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2021-04-30 22:38:42,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:42,647 INFO L225 Difference]: With dead ends: 31
[2021-04-30 22:38:42,648 INFO L226 Difference]: Without dead ends: 14
[2021-04-30 22:38:42,651 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-30 22:38:42,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2021-04-30 22:38:42,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2021-04-30 22:38:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions.
[2021-04-30 22:38:42,685 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11
[2021-04-30 22:38:42,685 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:42,685 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions.
[2021-04-30 22:38:42,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:42,686 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions.
[2021-04-30 22:38:42,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-04-30 22:38:42,687 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:42,687 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:42,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-04-30 22:38:42,687 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:42,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:42,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1456647756, now seen corresponding path program 1 times
[2021-04-30 22:38:42,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:42,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730778345]
[2021-04-30 22:38:42,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:42,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-04-30 22:38:42,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:42,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:42,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:42,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730778345]
[2021-04-30 22:38:42,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730778345] provided 1 perfect and 0 imperfect interpolant sequences
[2021-04-30 22:38:42,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-30 22:38:42,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-04-30 22:38:42,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887401740]
[2021-04-30 22:38:42,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-04-30 22:38:42,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:42,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-04-30 22:38:42,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-04-30 22:38:42,779 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:42,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:42,863 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions.
[2021-04-30 22:38:42,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-04-30 22:38:42,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2021-04-30 22:38:42,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:42,864 INFO L225 Difference]: With dead ends: 25
[2021-04-30 22:38:42,865 INFO L226 Difference]: Without dead ends: 17
[2021-04-30 22:38:42,865 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-04-30 22:38:42,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2021-04-30 22:38:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16.
[2021-04-30 22:38:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2021-04-30 22:38:42,871 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11
[2021-04-30 22:38:42,872 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:42,872 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2021-04-30 22:38:42,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:42,872 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2021-04-30 22:38:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-04-30 22:38:42,873 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:42,873 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:42,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-04-30 22:38:42,873 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:42,874 INFO L82 PathProgramCache]: Analyzing trace with hash 193151625, now seen corresponding path program 1 times
[2021-04-30 22:38:42,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:42,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625535936]
[2021-04-30 22:38:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:42,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-04-30 22:38:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:42,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:42,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:42,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:42,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625535936]
[2021-04-30 22:38:42,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625535936] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:42,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594285738]
[2021-04-30 22:38:42,935 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
[2021-04-30 22:38:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:43,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-04-30 22:38:43,048 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 22:38:43,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,122 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:43,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:43,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:43,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,127 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:43,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:43,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:43,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,148 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-04-30 22:38:43,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:43,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594285738] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:43,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 22:38:43,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6
[2021-04-30 22:38:43,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765466160]
[2021-04-30 22:38:43,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-04-30 22:38:43,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:43,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-04-30 22:38:43,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-04-30 22:38:43,163 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:43,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:43,277 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions.
[2021-04-30 22:38:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-04-30 22:38:43,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2021-04-30 22:38:43,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:43,278 INFO L225 Difference]: With dead ends: 28
[2021-04-30 22:38:43,278 INFO L226 Difference]: Without dead ends: 20
[2021-04-30 22:38:43,279 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 78.6ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2021-04-30 22:38:43,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2021-04-30 22:38:43,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19.
[2021-04-30 22:38:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions.
[2021-04-30 22:38:43,284 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14
[2021-04-30 22:38:43,285 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:43,285 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions.
[2021-04-30 22:38:43,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions.
[2021-04-30 22:38:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-04-30 22:38:43,286 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:43,286 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:43,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2021-04-30 22:38:43,505 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:43,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:43,506 INFO L82 PathProgramCache]: Analyzing trace with hash 473295148, now seen corresponding path program 2 times
[2021-04-30 22:38:43,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:43,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686503592]
[2021-04-30 22:38:43,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:43,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-04-30 22:38:43,603 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:43,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686503592]
[2021-04-30 22:38:43,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686503592] provided 1 perfect and 0 imperfect interpolant sequences
[2021-04-30 22:38:43,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-30 22:38:43,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-04-30 22:38:43,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354069270]
[2021-04-30 22:38:43,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-04-30 22:38:43,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:43,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-04-30 22:38:43,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-04-30 22:38:43,605 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:43,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:43,712 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions.
[2021-04-30 22:38:43,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-04-30 22:38:43,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2021-04-30 22:38:43,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:43,713 INFO L225 Difference]: With dead ends: 28
[2021-04-30 22:38:43,713 INFO L226 Difference]: Without dead ends: 23
[2021-04-30 22:38:43,714 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 86.9ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-04-30 22:38:43,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2021-04-30 22:38:43,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21.
[2021-04-30 22:38:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions.
[2021-04-30 22:38:43,719 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17
[2021-04-30 22:38:43,719 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:43,719 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions.
[2021-04-30 22:38:43,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions.
[2021-04-30 22:38:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-04-30 22:38:43,720 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:43,720 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:43,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-04-30 22:38:43,720 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:43,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:43,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1412427221, now seen corresponding path program 1 times
[2021-04-30 22:38:43,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:43,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46434390]
[2021-04-30 22:38:43,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:43,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-04-30 22:38:43,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:43,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:43,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:43,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46434390]
[2021-04-30 22:38:43,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46434390] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:43,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534130076]
[2021-04-30 22:38:43,829 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
[2021-04-30 22:38:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:43,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-04-30 22:38:43,891 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 22:38:43,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,945 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:43,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:43,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:43,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,948 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:43,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:43,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:43,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,961 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:43,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:43,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:43,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,964 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:43,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:43,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:43,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:43,971 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-04-30 22:38:43,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:43,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:43,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534130076] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:43,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 22:38:43,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7
[2021-04-30 22:38:43,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482180341]
[2021-04-30 22:38:43,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-04-30 22:38:43,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:43,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-04-30 22:38:43,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-04-30 22:38:43,987 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:44,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:44,108 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions.
[2021-04-30 22:38:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-04-30 22:38:44,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20
[2021-04-30 22:38:44,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:44,109 INFO L225 Difference]: With dead ends: 34
[2021-04-30 22:38:44,110 INFO L226 Difference]: Without dead ends: 24
[2021-04-30 22:38:44,111 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 104.2ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2021-04-30 22:38:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2021-04-30 22:38:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2021-04-30 22:38:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions.
[2021-04-30 22:38:44,119 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20
[2021-04-30 22:38:44,119 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:44,119 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions.
[2021-04-30 22:38:44,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions.
[2021-04-30 22:38:44,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2021-04-30 22:38:44,120 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:44,120 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:44,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:44,337 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:44,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:44,337 INFO L82 PathProgramCache]: Analyzing trace with hash -402263410, now seen corresponding path program 2 times
[2021-04-30 22:38:44,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:44,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846433774]
[2021-04-30 22:38:44,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:44,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-04-30 22:38:44,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:44,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:44,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:44,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846433774]
[2021-04-30 22:38:44,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846433774] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:44,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869203721]
[2021-04-30 22:38:44,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:44,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-04-30 22:38:44,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-04-30 22:38:44,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-04-30 22:38:44,463 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 22:38:44,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,494 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:44,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:44,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:44,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,497 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:44,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:44,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:44,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,507 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:44,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:44,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:44,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,510 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:44,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:44,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:44,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,521 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:44,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:44,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,524 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:44,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:44,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:44,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,534 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:44,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:44,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:44,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,537 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:44,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:44,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:44,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,541 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-04-30 22:38:44,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:44,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869203721] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:44,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 22:38:44,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9
[2021-04-30 22:38:44,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977091283]
[2021-04-30 22:38:44,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-04-30 22:38:44,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:44,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-04-30 22:38:44,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2021-04-30 22:38:44,552 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:44,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:44,720 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions.
[2021-04-30 22:38:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-04-30 22:38:44,721 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2021-04-30 22:38:44,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:44,724 INFO L225 Difference]: With dead ends: 34
[2021-04-30 22:38:44,724 INFO L226 Difference]: Without dead ends: 29
[2021-04-30 22:38:44,725 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 153.6ms TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182
[2021-04-30 22:38:44,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2021-04-30 22:38:44,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27.
[2021-04-30 22:38:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions.
[2021-04-30 22:38:44,733 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 23
[2021-04-30 22:38:44,733 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:44,733 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions.
[2021-04-30 22:38:44,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions.
[2021-04-30 22:38:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-04-30 22:38:44,734 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:44,734 INFO L519 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:44,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:44,945 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:44,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:44,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1841039991, now seen corresponding path program 3 times
[2021-04-30 22:38:44,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:44,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646149044]
[2021-04-30 22:38:44,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:44,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:44,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-04-30 22:38:44,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:44,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:45,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:45,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:45,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646149044]
[2021-04-30 22:38:45,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646149044] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:45,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211571429]
[2021-04-30 22:38:45,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:45,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2021-04-30 22:38:45,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-04-30 22:38:45,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-04-30 22:38:45,113 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 22:38:45,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,153 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,156 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,169 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,172 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,182 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,187 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,196 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-04-30 22:38:45,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-04-30 22:38:45,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211571429] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:45,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 22:38:45,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9
[2021-04-30 22:38:45,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255331957]
[2021-04-30 22:38:45,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-04-30 22:38:45,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:45,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-04-30 22:38:45,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2021-04-30 22:38:45,206 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:45,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:45,381 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions.
[2021-04-30 22:38:45,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-04-30 22:38:45,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26
[2021-04-30 22:38:45,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:45,384 INFO L225 Difference]: With dead ends: 37
[2021-04-30 22:38:45,385 INFO L226 Difference]: Without dead ends: 32
[2021-04-30 22:38:45,385 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 184.6ms TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210
[2021-04-30 22:38:45,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2021-04-30 22:38:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30.
[2021-04-30 22:38:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions.
[2021-04-30 22:38:45,394 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 26
[2021-04-30 22:38:45,394 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:45,395 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions.
[2021-04-30 22:38:45,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions.
[2021-04-30 22:38:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2021-04-30 22:38:45,396 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:45,396 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:45,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:45,620 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:45,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:45,621 INFO L82 PathProgramCache]: Analyzing trace with hash -660550482, now seen corresponding path program 4 times
[2021-04-30 22:38:45,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:45,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34143706]
[2021-04-30 22:38:45,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:45,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-04-30 22:38:45,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:45,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:45,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:45,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34143706]
[2021-04-30 22:38:45,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34143706] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:45,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512841771]
[2021-04-30 22:38:45,746 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:45,782 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-04-30 22:38:45,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-04-30 22:38:45,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-04-30 22:38:45,786 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 22:38:45,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,814 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,821 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,835 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,838 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,851 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,854 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,885 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,889 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,902 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,905 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,916 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,918 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:45,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:45,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:45,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:45,925 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-04-30 22:38:45,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:45,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:45,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512841771] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:45,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 22:38:45,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 11
[2021-04-30 22:38:45,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676558664]
[2021-04-30 22:38:45,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states
[2021-04-30 22:38:45,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:45,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-04-30 22:38:45,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110
[2021-04-30 22:38:45,938 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:46,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:46,163 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions.
[2021-04-30 22:38:46,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-04-30 22:38:46,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29
[2021-04-30 22:38:46,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:46,164 INFO L225 Difference]: With dead ends: 40
[2021-04-30 22:38:46,165 INFO L226 Difference]: Without dead ends: 35
[2021-04-30 22:38:46,165 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 188.5ms TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306
[2021-04-30 22:38:46,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2021-04-30 22:38:46,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33.
[2021-04-30 22:38:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions.
[2021-04-30 22:38:46,169 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 29
[2021-04-30 22:38:46,170 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:46,170 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions.
[2021-04-30 22:38:46,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions.
[2021-04-30 22:38:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-04-30 22:38:46,170 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:46,171 INFO L519 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:46,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:46,388 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:46,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:46,389 INFO L82 PathProgramCache]: Analyzing trace with hash 110192489, now seen corresponding path program 5 times
[2021-04-30 22:38:46,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:46,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628199525]
[2021-04-30 22:38:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:46,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-04-30 22:38:46,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 22:38:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 22:38:46,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 22:38:46,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 22:38:46,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628199525]
[2021-04-30 22:38:46,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628199525] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:46,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461260510]
[2021-04-30 22:38:46,508 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:46,555 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s)
[2021-04-30 22:38:46,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-04-30 22:38:46,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-04-30 22:38:46,560 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 22:38:46,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,604 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,607 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,626 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,628 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,646 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,650 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,659 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,661 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,670 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,672 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 22:38:46,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-04-30 22:38:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 22:38:46,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 22:38:46,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 22:38:46,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 22:38:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 37 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-04-30 22:38:46,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461260510] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 22:38:46,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 22:38:46,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 11
[2021-04-30 22:38:46,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928662923]
[2021-04-30 22:38:46,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states
[2021-04-30 22:38:46,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 22:38:46,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-04-30 22:38:46,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110
[2021-04-30 22:38:46,689 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 22:38:46,914 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions.
[2021-04-30 22:38:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-04-30 22:38:46,915 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32
[2021-04-30 22:38:46,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 22:38:46,917 INFO L225 Difference]: With dead ends: 41
[2021-04-30 22:38:46,917 INFO L226 Difference]: Without dead ends: 36
[2021-04-30 22:38:46,917 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 212.3ms TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342
[2021-04-30 22:38:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2021-04-30 22:38:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2021-04-30 22:38:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:46,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions.
[2021-04-30 22:38:46,931 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 32
[2021-04-30 22:38:46,931 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 22:38:46,931 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions.
[2021-04-30 22:38:46,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-04-30 22:38:46,932 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions.
[2021-04-30 22:38:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2021-04-30 22:38:46,934 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 22:38:46,935 INFO L519 BasicCegarLoop]: trace histogram [8, 8, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 22:38:47,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 22:38:47,146 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 22:38:47,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 22:38:47,147 INFO L82 PathProgramCache]: Analyzing trace with hash 418877134, now seen corresponding path program 6 times
[2021-04-30 22:38:47,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 22:38:47,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48102834]
[2021-04-30 22:38:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 22:38:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-04-30 22:38:47,158 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-04-30 22:38:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-04-30 22:38:47,168 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-04-30 22:38:47,184 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-04-30 22:38:47,184 INFO L620 BasicCegarLoop]: Counterexample might be feasible
[2021-04-30 22:38:47,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-04-30 22:38:47,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:38:47 BoogieIcfgContainer
[2021-04-30 22:38:47,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-04-30 22:38:47,210 INFO L168 Benchmark]: Toolchain (without parser) took 5611.84 ms. Allocated memory was 201.3 MB in the beginning and 242.2 MB in the end (delta: 40.9 MB). Free memory was 166.7 MB in the beginning and 197.5 MB in the end (delta: -30.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2021-04-30 22:38:47,210 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 201.3 MB. Free memory is still 183.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-04-30 22:38:47,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.57 ms. Allocated memory is still 201.3 MB. Free memory was 166.5 MB in the beginning and 157.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-04-30 22:38:47,210 INFO L168 Benchmark]: Boogie Preprocessor took 68.11 ms. Allocated memory is still 201.3 MB. Free memory was 157.2 MB in the beginning and 185.6 MB in the end (delta: -28.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 8.0 GB.
[2021-04-30 22:38:47,211 INFO L168 Benchmark]: RCFGBuilder took 339.84 ms. Allocated memory is still 201.3 MB. Free memory was 185.6 MB in the beginning and 172.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
[2021-04-30 22:38:47,211 INFO L168 Benchmark]: TraceAbstraction took 5026.04 ms. Allocated memory was 201.3 MB in the beginning and 242.2 MB in the end (delta: 40.9 MB). Free memory was 171.4 MB in the beginning and 197.5 MB in the end (delta: -26.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB.
[2021-04-30 22:38:47,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16 ms. Allocated memory is still 201.3 MB. Free memory is still 183.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 172.57 ms. Allocated memory is still 201.3 MB. Free memory was 166.5 MB in the beginning and 157.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 68.11 ms. Allocated memory is still 201.3 MB. Free memory was 157.2 MB in the beginning and 185.6 MB in the end (delta: -28.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 339.84 ms. Allocated memory is still 201.3 MB. Free memory was 185.6 MB in the beginning and 172.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 5026.04 ms. Allocated memory was 201.3 MB in the beginning and 242.2 MB in the end (delta: 40.9 MB). Free memory was 171.4 MB in the beginning and 197.5 MB in the end (delta: -26.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 16]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L23] int i, sn=0;
[L24] i=1
VAL [i=1, sn=0]
[L24] COND TRUE i<=8
VAL [i=1, sn=0]
[L25] COND TRUE i<4
[L26] sn = sn + (2)
VAL [i=1, sn=2]
[L24] i++
VAL [i=2, sn=2]
[L24] COND TRUE i<=8
VAL [i=2, sn=2]
[L25] COND TRUE i<4
[L26] sn = sn + (2)
VAL [i=2, sn=4]
[L24] i++
VAL [i=3, sn=4]
[L24] COND TRUE i<=8
VAL [i=3, sn=4]
[L25] COND TRUE i<4
[L26] sn = sn + (2)
VAL [i=3, sn=6]
[L24] i++
VAL [i=4, sn=6]
[L24] COND TRUE i<=8
VAL [i=4, sn=6]
[L25] COND FALSE !(i<4)
VAL [i=4, sn=6]
[L24] i++
VAL [i=5, sn=6]
[L24] COND TRUE i<=8
VAL [i=5, sn=6]
[L25] COND FALSE !(i<4)
VAL [i=5, sn=6]
[L24] i++
VAL [i=6, sn=6]
[L24] COND TRUE i<=8
VAL [i=6, sn=6]
[L25] COND FALSE !(i<4)
VAL [i=6, sn=6]
[L24] i++
VAL [i=7, sn=6]
[L24] COND TRUE i<=8
VAL [i=7, sn=6]
[L25] COND FALSE !(i<4)
VAL [i=7, sn=6]
[L24] i++
VAL [i=8, sn=6]
[L24] COND TRUE i<=8
VAL [i=8, sn=6]
[L25] COND FALSE !(i<4)
VAL [i=8, sn=6]
[L24] i++
VAL [i=9, sn=6]
[L24] COND FALSE !(i<=8)
VAL [i=9, sn=6]
[L28] CALL __VERIFIER_assert(sn==8*(2) || sn == 0)
VAL [\old(cond)=0]
[L15] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0]
[L16] reach_error()
VAL [\old(cond)=0, cond=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4919.5ms, OverallIterations: 10, TraceHistogramMax: 8, EmptinessCheckTime: 18.7ms, AutomataDifference: 1344.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 102 SDtfs, 240 SDslu, 129 SDs, 0 SdLazy, 279 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 381.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 168 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1123.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=9, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 79.5ms AutomataMinimizationTime, 9 MinimizatonAttempts, 10 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 63.9ms SsaConstructionTime, 239.5ms SatisfiabilityAnalysisTime, 1488.9ms InterpolantComputationTime, 362 NumberOfCodeBlocks, 357 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 539 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 87/387 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...