/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loop-zilu/benchmark05_conjunctive.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-1a84f73
[2021-05-01 04:18:46,263 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-05-01 04:18:46,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-05-01 04:18:46,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-05-01 04:18:46,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-05-01 04:18:46,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-05-01 04:18:46,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-05-01 04:18:46,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-05-01 04:18:46,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-05-01 04:18:46,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-05-01 04:18:46,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-05-01 04:18:46,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-05-01 04:18:46,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-05-01 04:18:46,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-05-01 04:18:46,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-05-01 04:18:46,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-05-01 04:18:46,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-05-01 04:18:46,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-05-01 04:18:46,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-05-01 04:18:46,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-05-01 04:18:46,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-05-01 04:18:46,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2021-05-01 04:18:46,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-05-01 04:18:46,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-05-01 04:18:46,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf
[2021-05-01 04:18:46,371 INFO L113 SettingsManager]: Loading preferences was successful
[2021-05-01 04:18:46,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-05-01 04:18:46,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-05-01 04:18:46,373 INFO L138 SettingsManager]: * sizeof long=4
[2021-05-01 04:18:46,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-05-01 04:18:46,374 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-05-01 04:18:46,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-05-01 04:18:46,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-05-01 04:18:46,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-05-01 04:18:46,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-05-01 04:18:46,375 INFO L138 SettingsManager]: * sizeof long double=12
[2021-05-01 04:18:46,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-05-01 04:18:46,375 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-05-01 04:18:46,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-05-01 04:18:46,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-05-01 04:18:46,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-05-01 04:18:46,376 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-05-01 04:18:46,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-05-01 04:18:46,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 04:18:46,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-05-01 04:18:46,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-05-01 04:18:46,377 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-05-01 04:18:46,377 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-05-01 04:18:46,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-05-01 04:18:46,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-05-01 04:18:46,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-05-01 04:18:46,642 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-05-01 04:18:46,643 INFO L275 PluginConnector]: CDTParser initialized
[2021-05-01 04:18:46,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-zilu/benchmark05_conjunctive.i
[2021-05-01 04:18:46,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394e98950/f1565a9d13114ab6bc608a76befddaf4/FLAG9c7562155
[2021-05-01 04:18:47,052 INFO L306 CDTParser]: Found 1 translation units.
[2021-05-01 04:18:47,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark05_conjunctive.i
[2021-05-01 04:18:47,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394e98950/f1565a9d13114ab6bc608a76befddaf4/FLAG9c7562155
[2021-05-01 04:18:47,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394e98950/f1565a9d13114ab6bc608a76befddaf4
[2021-05-01 04:18:47,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-05-01 04:18:47,463 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-05-01 04:18:47,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-05-01 04:18:47,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-05-01 04:18:47,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-05-01 04:18:47,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e91369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47, skipping insertion in model container
[2021-05-01 04:18:47,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-05-01 04:18:47,484 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-05-01 04:18:47,564 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark05_conjunctive.i[873,886]
[2021-05-01 04:18:47,570 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 04:18:47,575 INFO L203 MainTranslator]: Completed pre-run
[2021-05-01 04:18:47,583 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark05_conjunctive.i[873,886]
[2021-05-01 04:18:47,585 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 04:18:47,593 INFO L208 MainTranslator]: Completed translation
[2021-05-01 04:18:47,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47 WrapperNode
[2021-05-01 04:18:47,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-05-01 04:18:47,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-05-01 04:18:47,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-05-01 04:18:47,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-05-01 04:18:47,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-05-01 04:18:47,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-05-01 04:18:47,660 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-05-01 04:18:47,660 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-05-01 04:18:47,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (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
[2021-05-01 04:18:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-05-01 04:18:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-05-01 04:18:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-05-01 04:18:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-05-01 04:18:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-05-01 04:18:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-05-01 04:18:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-05-01 04:18:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-05-01 04:18:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-05-01 04:18:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-05-01 04:18:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-05-01 04:18:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-05-01 04:18:47,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-05-01 04:18:47,935 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-05-01 04:18:47,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 04:18:47 BoogieIcfgContainer
[2021-05-01 04:18:47,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-05-01 04:18:47,936 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2021-05-01 04:18:47,936 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2021-05-01 04:18:47,937 INFO L275 PluginConnector]: IcfgTransformer initialized
[2021-05-01 04:18:47,938 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 04:18:47" (1/1) ...
[2021-05-01 04:18:47,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 04:18:47 BasicIcfg
[2021-05-01 04:18:47,954 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2021-05-01 04:18:47,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-05-01 04:18:47,955 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-05-01 04:18:47,957 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-05-01 04:18:47,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 04:18:47" (1/4) ...
[2021-05-01 04:18:47,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132a2653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 04:18:47, skipping insertion in model container
[2021-05-01 04:18:47,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 04:18:47" (2/4) ...
[2021-05-01 04:18:47,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132a2653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 04:18:47, skipping insertion in model container
[2021-05-01 04:18:47,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 04:18:47" (3/4) ...
[2021-05-01 04:18:47,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132a2653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 04:18:47, skipping insertion in model container
[2021-05-01 04:18:47,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 04:18:47" (4/4) ...
[2021-05-01 04:18:47,959 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark05_conjunctive.iJordan
[2021-05-01 04:18:47,962 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION
[2021-05-01 04:18:47,965 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-05-01 04:18:47,975 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-05-01 04:18:47,986 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-05-01 04:18:47,986 INFO L377 AbstractCegarLoop]: Hoare is false
[2021-05-01 04:18:47,986 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates
[2021-05-01 04:18:47,986 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-05-01 04:18:47,986 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-05-01 04:18:47,986 INFO L381 AbstractCegarLoop]: Difference is false
[2021-05-01 04:18:47,986 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-05-01 04:18:47,987 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-05-01 04:18:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 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)
[2021-05-01 04:18:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-05-01 04:18:47,998 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 04:18:47,998 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 04:18:47,999 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 04:18:48,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 04:18:48,002 INFO L82 PathProgramCache]: Analyzing trace with hash 713533472, now seen corresponding path program 1 times
[2021-05-01 04:18:48,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 04:18:48,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037129117]
[2021-05-01 04:18:48,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 04:18:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 04:18:48,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-05-01 04:18:48,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 04:18:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 04:18:48,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 04:18:48,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 04:18:48,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037129117]
[2021-05-01 04:18:48,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037129117] provided 1 perfect and 0 imperfect interpolant sequences
[2021-05-01 04:18:48,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-05-01 04:18:48,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-05-01 04:18:48,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034925721]
[2021-05-01 04:18:48,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-05-01 04:18:48,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 04:18:48,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-05-01 04:18:48,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-05-01 04:18:48,215 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2021-05-01 04:18:48,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 04:18:48,276 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions.
[2021-05-01 04:18:48,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-05-01 04:18:48,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 12
[2021-05-01 04:18:48,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 04:18:48,282 INFO L225 Difference]: With dead ends: 22
[2021-05-01 04:18:48,282 INFO L226 Difference]: Without dead ends: 15
[2021-05-01 04:18:48,283 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-05-01 04:18:48,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2021-05-01 04:18:48,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2021-05-01 04:18:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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)
[2021-05-01 04:18:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions.
[2021-05-01 04:18:48,301 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12
[2021-05-01 04:18:48,301 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 04:18:48,301 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions.
[2021-05-01 04:18:48,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2021-05-01 04:18:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions.
[2021-05-01 04:18:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-05-01 04:18:48,302 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 04:18:48,302 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 04:18:48,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-05-01 04:18:48,302 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 04:18:48,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 04:18:48,303 INFO L82 PathProgramCache]: Analyzing trace with hash -578658626, now seen corresponding path program 1 times
[2021-05-01 04:18:48,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 04:18:48,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292082230]
[2021-05-01 04:18:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 04:18:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 04:18:48,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:48,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11
[2021-05-01 04:18:48,377 INFO L142 QuantifierPusher]: treesize reduction 10, result has 56.5 percent of original size
[2021-05-01 04:18:48,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-05-01 04:18:48,392 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-05-01 04:18:48,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:48,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 04:18:48,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 04:18:48,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 04:18:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 04:18:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 04:18:48,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 04:18:48,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292082230]
[2021-05-01 04:18:48,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292082230] provided 0 perfect and 1 imperfect interpolant sequences
[2021-05-01 04:18:48,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075817923]
[2021-05-01 04:18:48,464 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
[2021-05-01 04:18:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 04:18:48,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-05-01 04:18:48,522 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-05-01 04:18:48,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,572 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:48,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:48,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 04:18:48,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,581 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:48,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:48,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 04:18:48,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11
[2021-05-01 04:18:48,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11
[2021-05-01 04:18:48,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,614 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size
[2021-05-01 04:18:48,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-05-01 04:18:48,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,624 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:48,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 04:18:48,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,641 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:48,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 04:18:48,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18
[2021-05-01 04:18:48,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,647 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:48,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 04:18:48,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18
[2021-05-01 04:18:48,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,654 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-05-01 04:18:48,660 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,660 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:48,662 INFO L142 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size
[2021-05-01 04:18:48,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:48,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:48,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:48,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:48,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:48,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:48,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:48,694 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-05-01 04:18:48,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:48,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 04:18:48,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075817923] provided 0 perfect and 1 imperfect interpolant sequences
[2021-05-01 04:18:48,702 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-05-01 04:18:48,702 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12
[2021-05-01 04:18:48,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934896363]
[2021-05-01 04:18:48,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-05-01 04:18:48,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 04:18:48,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-05-01 04:18:48,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2021-05-01 04:18:48,708 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 04:18:48,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 04:18:48,902 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions.
[2021-05-01 04:18:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-05-01 04:18:48,903 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2021-05-01 04:18:48,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 04:18:48,903 INFO L225 Difference]: With dead ends: 21
[2021-05-01 04:18:48,903 INFO L226 Difference]: Without dead ends: 18
[2021-05-01 04:18:48,905 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 210.3ms TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306
[2021-05-01 04:18:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2021-05-01 04:18:48,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17.
[2021-05-01 04:18:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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)
[2021-05-01 04:18:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2021-05-01 04:18:48,908 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14
[2021-05-01 04:18:48,909 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 04:18:48,909 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2021-05-01 04:18:48,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 04:18:48,909 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2021-05-01 04:18:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-05-01 04:18:48,909 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 04:18:48,910 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 04:18:49,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2021-05-01 04:18:49,129 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 04:18:49,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 04:18:49,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1129716260, now seen corresponding path program 2 times
[2021-05-01 04:18:49,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 04:18:49,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351566350]
[2021-05-01 04:18:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 04:18:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 04:18:49,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-05-01 04:18:49,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11
[2021-05-01 04:18:49,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size
[2021-05-01 04:18:49,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-05-01 04:18:49,216 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size
[2021-05-01 04:18:49,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:49,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 04:18:49,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 04:18:49,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 04:18:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 04:18:49,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 04:18:49,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 04:18:49,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351566350]
[2021-05-01 04:18:49,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351566350] provided 0 perfect and 1 imperfect interpolant sequences
[2021-05-01 04:18:49,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782400782]
[2021-05-01 04:18:49,279 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 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
[2021-05-01 04:18:49,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-05-01 04:18:49,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-05-01 04:18:49,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-05-01 04:18:49,327 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-05-01 04:18:49,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,346 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:49,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:49,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-05-01 04:18:49,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,348 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:49,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:49,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-05-01 04:18:49,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-05-01 04:18:49,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-05-01 04:18:49,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:49,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:49,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:49,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-05-01 04:18:49,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,365 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:49,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15
[2021-05-01 04:18:49,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 04:18:49,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,368 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:49,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15
[2021-05-01 04:18:49,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 04:18:49,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-05-01 04:18:49,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-05-01 04:18:49,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,392 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size
[2021-05-01 04:18:49,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-05-01 04:18:49,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,393 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:49,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 04:18:49,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,404 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:49,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 04:18:49,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18
[2021-05-01 04:18:49,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,407 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:49,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 04:18:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18
[2021-05-01 04:18:49,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,411 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-05-01 04:18:49,415 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,415 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 04:18:49,416 INFO L142 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size
[2021-05-01 04:18:49,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 04:18:49,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 04:18:49,446 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-05-01 04:18:49,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 04:18:49,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 04:18:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 04:18:49,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782400782] provided 0 perfect and 1 imperfect interpolant sequences
[2021-05-01 04:18:49,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-05-01 04:18:49,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 14
[2021-05-01 04:18:49,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699345465]
[2021-05-01 04:18:49,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states
[2021-05-01 04:18:49,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 04:18:49,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-05-01 04:18:49,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2021-05-01 04:18:49,451 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 04:18:49,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 04:18:49,640 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions.
[2021-05-01 04:18:49,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-05-01 04:18:49,640 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16
[2021-05-01 04:18:49,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 04:18:49,641 INFO L225 Difference]: With dead ends: 16
[2021-05-01 04:18:49,641 INFO L226 Difference]: Without dead ends: 0
[2021-05-01 04:18:49,641 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 259.4ms TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380
[2021-05-01 04:18:49,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-05-01 04:18:49,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-05-01 04:18:49,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-05-01 04:18:49,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-05-01 04:18:49,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16
[2021-05-01 04:18:49,641 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 04:18:49,641 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-05-01 04:18:49,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 04:18:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-05-01 04:18:49,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-05-01 04:18:49,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 04:18:49,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 04:18:49 BasicIcfg
[2021-05-01 04:18:49,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-05-01 04:18:49,864 INFO L168 Benchmark]: Toolchain (without parser) took 2400.53 ms. Allocated memory was 185.6 MB in the beginning and 238.0 MB in the end (delta: 52.4 MB). Free memory was 151.8 MB in the beginning and 118.7 MB in the end (delta: 33.1 MB). Peak memory consumption was 86.9 MB. Max. memory is 8.0 GB.
[2021-05-01 04:18:49,864 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 185.6 MB. Free memory is still 168.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-05-01 04:18:49,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.61 ms. Allocated memory is still 185.6 MB. Free memory was 151.8 MB in the beginning and 142.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-05-01 04:18:49,864 INFO L168 Benchmark]: Boogie Preprocessor took 65.09 ms. Allocated memory is still 185.6 MB. Free memory was 142.3 MB in the beginning and 170.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB.
[2021-05-01 04:18:49,864 INFO L168 Benchmark]: RCFGBuilder took 276.01 ms. Allocated memory is still 185.6 MB. Free memory was 170.0 MB in the beginning and 155.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2021-05-01 04:18:49,864 INFO L168 Benchmark]: IcfgTransformer took 18.23 ms. Allocated memory is still 185.6 MB. Free memory was 155.9 MB in the beginning and 154.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-05-01 04:18:49,865 INFO L168 Benchmark]: TraceAbstraction took 1907.86 ms. Allocated memory was 185.6 MB in the beginning and 238.0 MB in the end (delta: 52.4 MB). Free memory was 154.3 MB in the beginning and 118.7 MB in the end (delta: 35.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 8.0 GB.
[2021-05-01 04:18:49,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 185.6 MB. Free memory is still 168.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 126.61 ms. Allocated memory is still 185.6 MB. Free memory was 151.8 MB in the beginning and 142.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 65.09 ms. Allocated memory is still 185.6 MB. Free memory was 142.3 MB in the beginning and 170.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 276.01 ms. Allocated memory is still 185.6 MB. Free memory was 170.0 MB in the beginning and 155.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
* IcfgTransformer took 18.23 ms. Allocated memory is still 185.6 MB. Free memory was 155.9 MB in the beginning and 154.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 1907.86 ms. Allocated memory was 185.6 MB in the beginning and 238.0 MB in the end (delta: 52.4 MB). Free memory was 154.3 MB in the beginning and 118.7 MB in the end (delta: 35.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 16]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1875.5ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 7.0ms, AutomataDifference: 467.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 36 SDtfs, 41 SDslu, 71 SDs, 0 SdLazy, 138 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 105.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 26 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 510.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13.5ms AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 31.4ms SsaConstructionTime, 92.2ms SatisfiabilityAnalysisTime, 669.0ms InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 311 SizeOfPredicates, 4 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 5/10 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...