/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/loop-lit/jm2006_variant.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-1a84f73
[2021-04-30 23:21:10,109 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-04-30 23:21:10,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-04-30 23:21:10,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-04-30 23:21:10,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-04-30 23:21:10,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-04-30 23:21:10,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-04-30 23:21:10,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-04-30 23:21:10,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-04-30 23:21:10,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-04-30 23:21:10,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-04-30 23:21:10,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-04-30 23:21:10,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-04-30 23:21:10,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-04-30 23:21:10,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-04-30 23:21:10,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-04-30 23:21:10,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-04-30 23:21:10,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-04-30 23:21:10,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-04-30 23:21:10,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-04-30 23:21:10,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-04-30 23:21:10,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-04-30 23:21:10,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-04-30 23:21:10,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2021-04-30 23:21:10,221 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 23:21:10,276 INFO L113 SettingsManager]: Loading preferences was successful
[2021-04-30 23:21:10,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-04-30 23:21:10,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-04-30 23:21:10,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-04-30 23:21:10,279 INFO L138 SettingsManager]: * Use SBE=true
[2021-04-30 23:21:10,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-04-30 23:21:10,279 INFO L138 SettingsManager]: * sizeof long=4
[2021-04-30 23:21:10,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-04-30 23:21:10,279 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-04-30 23:21:10,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-04-30 23:21:10,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-04-30 23:21:10,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-04-30 23:21:10,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-04-30 23:21:10,281 INFO L138 SettingsManager]: * sizeof long double=12
[2021-04-30 23:21:10,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-04-30 23:21:10,281 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-04-30 23:21:10,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-04-30 23:21:10,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-04-30 23:21:10,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-04-30 23:21:10,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-04-30 23:21:10,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-04-30 23:21:10,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-04-30 23:21:10,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-04-30 23:21:10,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-04-30 23:21:10,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-04-30 23:21:10,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-04-30 23:21:10,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-04-30 23:21:10,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-04-30 23:21:10,283 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-04-30 23:21:10,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-04-30 23:21:10,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-04-30 23:21:10,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-04-30 23:21:10,607 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-04-30 23:21:10,607 INFO L275 PluginConnector]: CDTParser initialized
[2021-04-30 23:21:10,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_variant.i
[2021-04-30 23:21:10,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c0743488/e3d9eb8d77e9410d878274a0c6ed5d60/FLAG67a07d4c5
[2021-04-30 23:21:11,017 INFO L306 CDTParser]: Found 1 translation units.
[2021-04-30 23:21:11,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006_variant.i
[2021-04-30 23:21:11,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c0743488/e3d9eb8d77e9410d878274a0c6ed5d60/FLAG67a07d4c5
[2021-04-30 23:21:11,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c0743488/e3d9eb8d77e9410d878274a0c6ed5d60
[2021-04-30 23:21:11,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-04-30 23:21:11,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-04-30 23:21:11,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-04-30 23:21:11,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-04-30 23:21:11,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-04-30 23:21:11,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ef54d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11, skipping insertion in model container
[2021-04-30 23:21:11,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-04-30 23:21:11,476 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-04-30 23:21:11,577 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-lit/jm2006_variant.i[895,908]
[2021-04-30 23:21:11,590 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-04-30 23:21:11,595 INFO L203 MainTranslator]: Completed pre-run
[2021-04-30 23:21:11,651 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-lit/jm2006_variant.i[895,908]
[2021-04-30 23:21:11,653 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-04-30 23:21:11,662 INFO L208 MainTranslator]: Completed translation
[2021-04-30 23:21:11,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11 WrapperNode
[2021-04-30 23:21:11,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-04-30 23:21:11,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-04-30 23:21:11,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-04-30 23:21:11,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-04-30 23:21:11,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (1/1) ...
[2021-04-30 23:21:11,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-04-30 23:21:11,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-04-30 23:21:11,682 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-04-30 23:21:11,682 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-04-30 23:21:11,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (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 23:21:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-04-30 23:21:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-04-30 23:21:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-04-30 23:21:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-04-30 23:21:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-04-30 23:21:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-04-30 23:21:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-04-30 23:21:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-04-30 23:21:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2021-04-30 23:21:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2021-04-30 23:21:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-04-30 23:21:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-04-30 23:21:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-04-30 23:21:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-04-30 23:21:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-04-30 23:21:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-04-30 23:21:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-04-30 23:21:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-04-30 23:21:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-04-30 23:21:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-04-30 23:21:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-04-30 23:21:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-04-30 23:21:11,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-04-30 23:21:11,924 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-04-30 23:21:11,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 11:21:11 BoogieIcfgContainer
[2021-04-30 23:21:11,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-04-30 23:21:11,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-04-30 23:21:11,927 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-04-30 23:21:11,929 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-04-30 23:21:11,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 11:21:11" (1/3) ...
[2021-04-30 23:21:11,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0c3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 11:21:11, skipping insertion in model container
[2021-04-30 23:21:11,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 11:21:11" (2/3) ...
[2021-04-30 23:21:11,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0c3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 11:21:11, skipping insertion in model container
[2021-04-30 23:21:11,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 11:21:11" (3/3) ...
[2021-04-30 23:21:11,931 INFO L111 eAbstractionObserver]: Analyzing ICFG jm2006_variant.i
[2021-04-30 23:21:11,936 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-04-30 23:21:11,939 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-04-30 23:21:11,953 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-04-30 23:21:11,970 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-04-30 23:21:11,971 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-04-30 23:21:11,971 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-04-30 23:21:11,971 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-04-30 23:21:11,971 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-04-30 23:21:11,971 INFO L381 AbstractCegarLoop]: Difference is false
[2021-04-30 23:21:11,971 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-04-30 23:21:11,971 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-04-30 23:21:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 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 23:21:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-04-30 23:21:11,988 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 23:21:11,989 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 23:21:11,989 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 23:21:11,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 23:21:11,993 INFO L82 PathProgramCache]: Analyzing trace with hash -522767122, now seen corresponding path program 1 times
[2021-04-30 23:21:12,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 23:21:12,000 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112025999]
[2021-04-30 23:21:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 23:21:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 23:21:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:12,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,165 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 23:21:12,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 23:21:12,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112025999]
[2021-04-30 23:21:12,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112025999] provided 1 perfect and 0 imperfect interpolant sequences
[2021-04-30 23:21:12,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-30 23:21:12,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-30 23:21:12,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899952590]
[2021-04-30 23:21:12,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-30 23:21:12,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 23:21:12,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-30 23:21:12,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-30 23:21:12,183 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 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 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 23:21:12,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 23:21:12,221 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions.
[2021-04-30 23:21:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-04-30 23:21:12,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 14
[2021-04-30 23:21:12,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 23:21:12,227 INFO L225 Difference]: With dead ends: 35
[2021-04-30 23:21:12,228 INFO L226 Difference]: Without dead ends: 15
[2021-04-30 23:21:12,230 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-30 23:21:12,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2021-04-30 23:21:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2021-04-30 23:21:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 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 23:21:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2021-04-30 23:21:12,263 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 14
[2021-04-30 23:21:12,263 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 23:21:12,263 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2021-04-30 23:21:12,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 23:21:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2021-04-30 23:21:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-04-30 23:21:12,266 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 23:21:12,266 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 23:21:12,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-04-30 23:21:12,266 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 23:21:12,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 23:21:12,268 INFO L82 PathProgramCache]: Analyzing trace with hash -637283726, now seen corresponding path program 1 times
[2021-04-30 23:21:12,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 23:21:12,268 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977059478]
[2021-04-30 23:21:12,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 23:21:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:12,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,408 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size
[2021-04-30 23:21:12,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36
[2021-04-30 23:21:12,470 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.8 percent of original size
[2021-04-30 23:21:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26
[2021-04-30 23:21:12,527 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size
[2021-04-30 23:21:12,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-04-30 23:21:12,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-04-30 23:21:12,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-04-30 23:21:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 23:21:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:12,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,597 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 23:21:12,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 23:21:12,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977059478]
[2021-04-30 23:21:12,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977059478] provided 1 perfect and 0 imperfect interpolant sequences
[2021-04-30 23:21:12,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-30 23:21:12,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-04-30 23:21:12,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195757727]
[2021-04-30 23:21:12,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-04-30 23:21:12,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 23:21:12,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-04-30 23:21:12,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-04-30 23:21:12,599 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 23:21:12,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 23:21:12,779 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions.
[2021-04-30 23:21:12,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-04-30 23:21:12,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 14
[2021-04-30 23:21:12,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 23:21:12,781 INFO L225 Difference]: With dead ends: 22
[2021-04-30 23:21:12,781 INFO L226 Difference]: Without dead ends: 16
[2021-04-30 23:21:12,782 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 273.9ms TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2021-04-30 23:21:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2021-04-30 23:21:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2021-04-30 23:21:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 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)
[2021-04-30 23:21:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2021-04-30 23:21:12,786 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14
[2021-04-30 23:21:12,786 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 23:21:12,786 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2021-04-30 23:21:12,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 23:21:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2021-04-30 23:21:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-04-30 23:21:12,786 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 23:21:12,787 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 23:21:12,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-04-30 23:21:12,787 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 23:21:12,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 23:21:12,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1050868340, now seen corresponding path program 1 times
[2021-04-30 23:21:12,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 23:21:12,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707432802]
[2021-04-30 23:21:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 23:21:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:12,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-04-30 23:21:12,860 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.6 percent of original size
[2021-04-30 23:21:12,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31
[2021-04-30 23:21:12,882 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.8 percent of original size
[2021-04-30 23:21:12,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26
[2021-04-30 23:21:12,902 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size
[2021-04-30 23:21:12,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-04-30 23:21:12,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-04-30 23:21:12,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-04-30 23:21:12,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 23:21:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:12,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:12,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:12,969 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 23:21:12,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 23:21:12,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707432802]
[2021-04-30 23:21:12,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707432802] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 23:21:12,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455044877]
[2021-04-30 23:21:12,970 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 23:21:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:13,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core
[2021-04-30 23:21:13,015 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 23:21:13,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:13,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:13,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:13,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:13,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-04-30 23:21:13,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-04-30 23:21:13,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-04-30 23:21:13,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-04-30 23:21:13,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26
[2021-04-30 23:21:13,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,096 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17
[2021-04-30 23:21:13,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size
[2021-04-30 23:21:13,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-04-30 23:21:13,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-04-30 23:21:13,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:13,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:13,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:13,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:13,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,152 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:13,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:13,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,158 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:13,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:13,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:13,162 INFO L142 QuantifierPusher]: treesize reduction -4, result has 114.3 percent of original size
[2021-04-30 23:21:13,168 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-04-30 23:21:13,171 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,171 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:13,173 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size
[2021-04-30 23:21:13,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:13,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:13,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:13,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-04-30 23:21:13,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:13,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:13,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:13,200 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-04-30 23:21:13,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,204 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 23:21:13,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455044877] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 23:21:13,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 23:21:13,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14
[2021-04-30 23:21:13,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936919407]
[2021-04-30 23:21:13,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states
[2021-04-30 23:21:13,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 23:21:13,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-04-30 23:21:13,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182
[2021-04-30 23:21:13,208 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 3 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)
[2021-04-30 23:21:13,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 23:21:13,497 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions.
[2021-04-30 23:21:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-04-30 23:21:13,498 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 3 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 15
[2021-04-30 23:21:13,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 23:21:13,498 INFO L225 Difference]: With dead ends: 23
[2021-04-30 23:21:13,498 INFO L226 Difference]: Without dead ends: 17
[2021-04-30 23:21:13,499 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 349.0ms TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380
[2021-04-30 23:21:13,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2021-04-30 23:21:13,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2021-04-30 23:21:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 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 23:21:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions.
[2021-04-30 23:21:13,502 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15
[2021-04-30 23:21:13,503 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 23:21:13,503 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions.
[2021-04-30 23:21:13,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 3 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)
[2021-04-30 23:21:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions.
[2021-04-30 23:21:13,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-04-30 23:21:13,503 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 23:21:13,503 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 23:21:13,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2021-04-30 23:21:13,721 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 23:21:13,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 23:21:13,721 INFO L82 PathProgramCache]: Analyzing trace with hash -987089486, now seen corresponding path program 2 times
[2021-04-30 23:21:13,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 23:21:13,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104864713]
[2021-04-30 23:21:13,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 23:21:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-04-30 23:21:13,762 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size
[2021-04-30 23:21:13,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18
[2021-04-30 23:21:13,771 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size
[2021-04-30 23:21:13,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30
[2021-04-30 23:21:13,785 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.8 percent of original size
[2021-04-30 23:21:13,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26
[2021-04-30 23:21:13,800 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size
[2021-04-30 23:21:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-04-30 23:21:13,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-04-30 23:21:13,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-04-30 23:21:13,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 23:21:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:13,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 23:21:13,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 23:21:13,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104864713]
[2021-04-30 23:21:13,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104864713] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 23:21:13,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654696661]
[2021-04-30 23:21:13,852 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
[2021-04-30 23:21:13,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-04-30 23:21:13,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-04-30 23:21:13,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core
[2021-04-30 23:21:13,935 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 23:21:13,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:13,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:13,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:13,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:13,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:13,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,962 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19
[2021-04-30 23:21:13,963 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size
[2021-04-30 23:21:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:13,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:13,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:13,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,983 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25
[2021-04-30 23:21:13,983 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size
[2021-04-30 23:21:13,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25
[2021-04-30 23:21:13,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25
[2021-04-30 23:21:13,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:13,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25
[2021-04-30 23:21:14,004 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size
[2021-04-30 23:21:14,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22
[2021-04-30 23:21:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,007 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17
[2021-04-30 23:21:14,008 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size
[2021-04-30 23:21:14,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-04-30 23:21:14,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-04-30 23:21:14,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:14,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:14,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:14,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,049 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:14,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:14,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,052 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:14,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:14,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:14,055 INFO L142 QuantifierPusher]: treesize reduction -4, result has 114.3 percent of original size
[2021-04-30 23:21:14,056 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-04-30 23:21:14,057 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,058 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:14,059 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size
[2021-04-30 23:21:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:14,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-04-30 23:21:14,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:14,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:14,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:14,086 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-04-30 23:21:14,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 23:21:14,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654696661] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 23:21:14,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 23:21:14,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16
[2021-04-30 23:21:14,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459576612]
[2021-04-30 23:21:14,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states
[2021-04-30 23:21:14,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 23:21:14,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2021-04-30 23:21:14,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240
[2021-04-30 23:21:14,090 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 16 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 3 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)
[2021-04-30 23:21:14,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 23:21:14,510 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions.
[2021-04-30 23:21:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-04-30 23:21:14,511 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 3 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
[2021-04-30 23:21:14,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 23:21:14,511 INFO L225 Difference]: With dead ends: 27
[2021-04-30 23:21:14,511 INFO L226 Difference]: Without dead ends: 19
[2021-04-30 23:21:14,512 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 489.4ms TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650
[2021-04-30 23:21:14,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-04-30 23:21:14,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-04-30 23:21:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 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)
[2021-04-30 23:21:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions.
[2021-04-30 23:21:14,515 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16
[2021-04-30 23:21:14,515 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 23:21:14,515 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions.
[2021-04-30 23:21:14,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 3 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)
[2021-04-30 23:21:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions.
[2021-04-30 23:21:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-04-30 23:21:14,515 INFO L511 BasicCegarLoop]: Found error trace
[2021-04-30 23:21:14,515 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-04-30 23:21:14,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 23:21:14,729 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-04-30 23:21:14,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-04-30 23:21:14,729 INFO L82 PathProgramCache]: Analyzing trace with hash -2142975758, now seen corresponding path program 3 times
[2021-04-30 23:21:14,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-30 23:21:14,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563264172]
[2021-04-30 23:21:14,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-30 23:21:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:14,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-04-30 23:21:14,773 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size
[2021-04-30 23:21:14,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18
[2021-04-30 23:21:14,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-04-30 23:21:14,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-04-30 23:21:14,792 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size
[2021-04-30 23:21:14,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30
[2021-04-30 23:21:14,807 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.8 percent of original size
[2021-04-30 23:21:14,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26
[2021-04-30 23:21:14,823 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size
[2021-04-30 23:21:14,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-04-30 23:21:14,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-04-30 23:21:14,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-04-30 23:21:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-04-30 23:21:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-30 23:21:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-04-30 23:21:14,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-04-30 23:21:14,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563264172]
[2021-04-30 23:21:14,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563264172] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 23:21:14,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953106321]
[2021-04-30 23:21:14,876 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 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 23:21:14,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2021-04-30 23:21:14,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-04-30 23:21:14,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 43 conjunts are in the unsatisfiable core
[2021-04-30 23:21:14,948 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-04-30 23:21:14,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:14,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:14,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:14,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:14,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:14,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-04-30 23:21:14,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,982 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19
[2021-04-30 23:21:14,983 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size
[2021-04-30 23:21:14,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:14,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:14,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:14,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,029 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19
[2021-04-30 23:21:15,029 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size
[2021-04-30 23:21:15,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,049 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23
[2021-04-30 23:21:15,049 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size
[2021-04-30 23:21:15,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-04-30 23:21:15,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-04-30 23:21:15,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-04-30 23:21:15,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26
[2021-04-30 23:21:15,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,071 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17
[2021-04-30 23:21:15,072 INFO L142 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size
[2021-04-30 23:21:15,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-04-30 23:21:15,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-04-30 23:21:15,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:15,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:15,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:15,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-04-30 23:21:15,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,108 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:15,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:15,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,111 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:15,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-04-30 23:21:15,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-04-30 23:21:15,115 INFO L142 QuantifierPusher]: treesize reduction -4, result has 114.3 percent of original size
[2021-04-30 23:21:15,116 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-04-30 23:21:15,119 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,119 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-04-30 23:21:15,120 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size
[2021-04-30 23:21:15,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:15,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:15,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:15,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-04-30 23:21:15,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:15,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:15,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-04-30 23:21:15,147 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-04-30 23:21:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:15,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:15,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:15,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-04-30 23:21:15,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-04-30 23:21:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-30 23:21:15,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953106321] provided 0 perfect and 1 imperfect interpolant sequences
[2021-04-30 23:21:15,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-04-30 23:21:15,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19
[2021-04-30 23:21:15,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646176017]
[2021-04-30 23:21:15,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states
[2021-04-30 23:21:15,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-30 23:21:15,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2021-04-30 23:21:15,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342
[2021-04-30 23:21:15,151 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 3 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)
[2021-04-30 23:21:15,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-04-30 23:21:15,559 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions.
[2021-04-30 23:21:15,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2021-04-30 23:21:15,560 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 3 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 18
[2021-04-30 23:21:15,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-04-30 23:21:15,560 INFO L225 Difference]: With dead ends: 22
[2021-04-30 23:21:15,560 INFO L226 Difference]: Without dead ends: 0
[2021-04-30 23:21:15,561 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 490.4ms TimeCoverageRelationStatistics Valid=153, Invalid=777, Unknown=0, NotChecked=0, Total=930
[2021-04-30 23:21:15,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-04-30 23:21:15,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-04-30 23:21:15,561 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)
[2021-04-30 23:21:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-04-30 23:21:15,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2021-04-30 23:21:15,561 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-04-30 23:21:15,561 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-04-30 23:21:15,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 3 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)
[2021-04-30 23:21:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-04-30 23:21:15,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-04-30 23:21:15,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-04-30 23:21:15,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-04-30 23:21:15,907 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed.
[2021-04-30 23:21:15,907 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed.
[2021-04-30 23:21:15,907 INFO L198 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed.
[2021-04-30 23:21:15,907 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|))
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true
[2021-04-30 23:21:15,908 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point L15-2(lines 14 16) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L194 CegarLoopUtils]: At program point L33-2(lines 33 37) the Hoare annotation is: (let ((.cse1 (+ main_~x~0 main_~j~0)) (.cse0 (+ main_~i~0 main_~y~0 main_~z~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0)))
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point L33-3(lines 24 42) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point L29(line 29) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point mainEXIT(lines 24 42) no Hoare annotation was computed.
[2021-04-30 23:21:15,908 INFO L198 CegarLoopUtils]: For program point mainFINAL(lines 24 42) no Hoare annotation was computed.
[2021-04-30 23:21:15,909 INFO L198 CegarLoopUtils]: For program point L38(lines 38 40) no Hoare annotation was computed.
[2021-04-30 23:21:15,909 INFO L201 CegarLoopUtils]: At program point mainENTRY(lines 24 42) the Hoare annotation is: true
[2021-04-30 23:21:15,909 INFO L198 CegarLoopUtils]: For program point L28(line 28) no Hoare annotation was computed.
[2021-04-30 23:21:15,909 INFO L194 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: (and (<= (+ main_~y~0 main_~z~0) 0) (< 0 (+ main_~y~0 main_~z~0 1)))
[2021-04-30 23:21:15,909 INFO L198 CegarLoopUtils]: For program point L18-2(lines 17 22) no Hoare annotation was computed.
[2021-04-30 23:21:15,909 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true
[2021-04-30 23:21:15,909 INFO L198 CegarLoopUtils]: For program point __VERIFIER_assertEXIT(lines 17 22) no Hoare annotation was computed.
[2021-04-30 23:21:15,909 INFO L198 CegarLoopUtils]: For program point L19(line 19) no Hoare annotation was computed.
[2021-04-30 23:21:15,909 INFO L198 CegarLoopUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed.
[2021-04-30 23:21:15,909 INFO L198 CegarLoopUtils]: For program point L18(lines 18 20) no Hoare annotation was computed.
[2021-04-30 23:21:15,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 11:21:15 BoogieIcfgContainer
[2021-04-30 23:21:15,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-04-30 23:21:15,921 INFO L168 Benchmark]: Toolchain (without parser) took 4467.11 ms. Allocated memory was 192.9 MB in the beginning and 247.5 MB in the end (delta: 54.5 MB). Free memory was 156.8 MB in the beginning and 142.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 70.2 MB. Max. memory is 8.0 GB.
[2021-04-30 23:21:15,921 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 192.9 MB. Free memory is still 173.6 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-04-30 23:21:15,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.45 ms. Allocated memory is still 192.9 MB. Free memory was 156.6 MB in the beginning and 175.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 10.9 MB. Max. memory is 8.0 GB.
[2021-04-30 23:21:15,921 INFO L168 Benchmark]: Boogie Preprocessor took 18.25 ms. Allocated memory is still 192.9 MB. Free memory was 175.3 MB in the beginning and 173.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-04-30 23:21:15,921 INFO L168 Benchmark]: RCFGBuilder took 243.66 ms. Allocated memory is still 192.9 MB. Free memory was 173.7 MB in the beginning and 158.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB.
[2021-04-30 23:21:15,921 INFO L168 Benchmark]: TraceAbstraction took 3993.41 ms. Allocated memory was 192.9 MB in the beginning and 247.5 MB in the end (delta: 54.5 MB). Free memory was 158.0 MB in the beginning and 142.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 8.0 GB.
[2021-04-30 23:21:15,922 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 192.9 MB. Free memory is still 173.6 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 206.45 ms. Allocated memory is still 192.9 MB. Free memory was 156.6 MB in the beginning and 175.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 10.9 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 18.25 ms. Allocated memory is still 192.9 MB. Free memory was 175.3 MB in the beginning and 173.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 243.66 ms. Allocated memory is still 192.9 MB. Free memory was 173.7 MB in the beginning and 158.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 3993.41 ms. Allocated memory was 192.9 MB in the beginning and 247.5 MB in the end (delta: 54.5 MB). Free memory was 158.0 MB in the beginning and 142.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 19]: 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 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3812.9ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 9.2ms, AutomataDifference: 1368.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 125.5ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 61 SDtfs, 89 SDslu, 169 SDs, 0 SdLazy, 411 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 242.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1626.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 31.7ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 7 LocationsWithAnnotation, 13 PreInvPairs, 24 NumberOfFragments, 58 HoareAnnotationTreeSize, 13 FomulaSimplifications, 96 FormulaSimplificationTreeSizeReduction, 49.1ms HoareSimplificationTime, 7 FomulaSimplificationsInter, 605 FormulaSimplificationTreeSizeReductionInter, 69.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 29.1ms SsaConstructionTime, 161.5ms SatisfiabilityAnalysisTime, 1311.4ms InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 890 SizeOfPredicates, 13 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 1/28 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
- InvariantResult [Line: 33]: Loop Invariant
Derived loop invariant: i + y + z <= x + j && x + j <= i + y + z
RESULT: Ultimate proved your program to be correct!
Received shutdown request...