/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/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:27:33,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:27:33,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:27:33,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:27:33,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:27:33,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:27:33,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:27:33,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:27:33,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:27:33,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:27:33,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:27:33,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:27:33,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:27:33,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:27:33,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:27:33,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:27:33,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:27:33,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:27:33,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:27:33,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:27:33,791 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:27:33,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:27:33,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:27:33,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:27:33,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:27:33,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:27:33,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:27:33,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:27:33,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:27:33,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:27:33,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:27:33,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:27:33,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:27:33,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:27:33,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:27:33,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:27:33,825 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:27:33,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:27:33,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:27:33,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:27:33,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:27:33,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:27:33,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:27:33,827 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:27:33,828 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:27:34,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:27:34,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:27:34,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:27:34,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:27:34,310 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:27:34,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label38.c [2021-02-24 04:27:34,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44d334cff/edc70c0b72ba49f3aa950061d285a240/FLAGa71428b71 [2021-02-24 04:27:35,183 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:27:35,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label38.c [2021-02-24 04:27:35,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44d334cff/edc70c0b72ba49f3aa950061d285a240/FLAGa71428b71 [2021-02-24 04:27:35,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44d334cff/edc70c0b72ba49f3aa950061d285a240 [2021-02-24 04:27:35,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:27:35,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:27:35,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:27:35,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:27:35,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:27:35,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:27:35" (1/1) ... [2021-02-24 04:27:35,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63303f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:35, skipping insertion in model container [2021-02-24 04:27:35,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:27:35" (1/1) ... [2021-02-24 04:27:35,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:27:35,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:27:35,774 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label38.c[15751,15764] [2021-02-24 04:27:35,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:27:35,857 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:27:36,040 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label38.c[15751,15764] [2021-02-24 04:27:36,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:27:36,139 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:27:36,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36 WrapperNode [2021-02-24 04:27:36,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:27:36,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:27:36,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:27:36,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:27:36,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (1/1) ... [2021-02-24 04:27:36,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (1/1) ... [2021-02-24 04:27:36,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (1/1) ... [2021-02-24 04:27:36,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (1/1) ... [2021-02-24 04:27:36,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (1/1) ... [2021-02-24 04:27:36,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (1/1) ... [2021-02-24 04:27:36,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (1/1) ... [2021-02-24 04:27:36,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:27:36,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:27:36,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:27:36,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:27:36,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:27:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:27:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:27:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:27:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:27:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:27:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:27:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:27:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:27:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:27:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:27:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:27:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:27:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:27:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:27:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:27:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:27:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:27:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:27:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:27:38,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:27:38,230 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:27:38,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:27:38 BoogieIcfgContainer [2021-02-24 04:27:38,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:27:38,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:27:38,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:27:38,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:27:38,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:27:35" (1/3) ... [2021-02-24 04:27:38,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aebc733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:27:38, skipping insertion in model container [2021-02-24 04:27:38,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:27:36" (2/3) ... [2021-02-24 04:27:38,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aebc733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:27:38, skipping insertion in model container [2021-02-24 04:27:38,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:27:38" (3/3) ... [2021-02-24 04:27:38,242 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label38.c [2021-02-24 04:27:38,250 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:27:38,256 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:27:38,275 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:27:38,300 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:27:38,301 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:27:38,301 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:27:38,301 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:27:38,301 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:27:38,301 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:27:38,302 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:27:38,302 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:27:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-24 04:27:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-02-24 04:27:38,356 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:27:38,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:27:38,357 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:27:38,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:27:38,364 INFO L82 PathProgramCache]: Analyzing trace with hash 537977830, now seen corresponding path program 1 times [2021-02-24 04:27:38,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:27:38,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243387945] [2021-02-24 04:27:38,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:27:38,467 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:27:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:27:38,993 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 04:27:38,995 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 04:27:39,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:39,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:27:39,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:39,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:27:39,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:39,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:27:39,191 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-24 04:27:39,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:27:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:27:39,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:39,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:27:39,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:39,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:27:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:27:39,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243387945] [2021-02-24 04:27:39,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:27:39,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 04:27:39,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804093092] [2021-02-24 04:27:39,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 04:27:39,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:27:39,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 04:27:39,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:27:39,300 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 5 states. [2021-02-24 04:27:39,602 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-24 04:27:42,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:27:42,250 INFO L93 Difference]: Finished difference Result 1268 states and 1667 transitions. [2021-02-24 04:27:42,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 04:27:42,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2021-02-24 04:27:42,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:27:42,282 INFO L225 Difference]: With dead ends: 1268 [2021-02-24 04:27:42,282 INFO L226 Difference]: Without dead ends: 693 [2021-02-24 04:27:42,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-24 04:27:42,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2021-02-24 04:27:42,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 611. [2021-02-24 04:27:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2021-02-24 04:27:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 733 transitions. [2021-02-24 04:27:42,559 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 733 transitions. Word has length 118 [2021-02-24 04:27:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:27:42,562 INFO L480 AbstractCegarLoop]: Abstraction has 611 states and 733 transitions. [2021-02-24 04:27:42,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 04:27:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 733 transitions. [2021-02-24 04:27:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-02-24 04:27:42,578 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:27:42,579 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:27:42,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:27:42,579 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:27:42,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:27:42,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2146582362, now seen corresponding path program 1 times [2021-02-24 04:27:42,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:27:42,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404284707] [2021-02-24 04:27:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:27:42,643 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:42,667 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:42,676 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:42,682 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:42,719 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:42,730 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:42,736 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:27:42,741 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:42,746 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:42,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:42,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:42,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:42,755 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:27:42,759 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:42,765 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:42,768 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:42,774 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:42,807 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:42,810 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:42,814 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:27:42,816 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:42,818 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:42,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:42,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:42,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:42,824 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:27:42,827 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:42,832 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:42,836 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:42,841 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:42,874 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:42,877 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:42,880 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:27:42,882 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:42,883 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:42,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:42,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:42,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:42,889 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:27:42,892 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:42,897 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:42,900 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:42,905 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:42,961 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:42,964 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:42,967 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:27:42,969 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:42,971 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:42,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:42,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:42,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:42,980 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:27:42,980 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:27:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:27:43,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:27:43,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:27:43,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:27:43,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:43,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:43,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:43,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:43,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:27:43,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:27:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:27:43,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:27:43,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:27:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:27:43,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:27:43,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:43,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:27:43,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:27:43,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:43,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:27:43,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:27:43,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:27:43,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:27:43,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:27:43,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:27:43,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:27:43,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:27:43,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-02-24 04:27:43,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:27:43,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 04:27:43,659 WARN L141 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size [2021-02-24 04:27:43,663 WARN L147 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size 59 [2021-02-24 04:27:43,722 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.8 percent of original size [2021-02-24 04:27:43,725 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.8 percent of original size 87 [2021-02-24 04:27:43,801 WARN L141 QuantifierPusher]: treesize reduction 4, result has 96.6 percent of original size [2021-02-24 04:27:43,804 WARN L147 QuantifierPusher]: treesize reduction 4, result has 96.6 percent of original size 114 [2021-02-24 04:27:43,910 WARN L141 QuantifierPusher]: treesize reduction 88, result has 37.1 percent of original size [2021-02-24 04:27:43,912 WARN L147 QuantifierPusher]: treesize reduction 88, result has 37.1 percent of original size 52 [2021-02-24 04:27:43,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:43,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 04:27:44,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:44,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:44,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:44,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:27:44,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 04:27:44,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:44,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-24 04:27:44,147 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size [2021-02-24 04:27:44,148 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size 33 [2021-02-24 04:27:44,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:44,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:27:44,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:44,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:27:44,246 WARN L141 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-02-24 04:27:44,248 WARN L147 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size 30 [2021-02-24 04:27:44,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:44,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:27:44,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:44,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:27:44,338 WARN L141 QuantifierPusher]: treesize reduction 30, result has 3.2 percent of original size [2021-02-24 04:27:44,339 WARN L147 QuantifierPusher]: treesize reduction 30, result has 3.2 percent of original size 1 [2021-02-24 04:27:44,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404284707] [2021-02-24 04:27:44,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:27:44,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-02-24 04:27:44,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991882924] [2021-02-24 04:27:44,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-02-24 04:27:44,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:27:44,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-02-24 04:27:44,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2021-02-24 04:27:44,343 INFO L87 Difference]: Start difference. First operand 611 states and 733 transitions. Second operand 22 states. [2021-02-24 04:27:44,726 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-24 04:27:44,846 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-24 04:27:44,983 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-24 04:27:45,112 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-24 04:27:45,256 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-02-24 04:27:45,424 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-24 04:27:45,656 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-02-24 04:27:45,942 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-02-24 04:27:46,109 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-02-24 04:27:50,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:27:50,641 INFO L93 Difference]: Finished difference Result 1888 states and 2351 transitions. [2021-02-24 04:27:50,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-24 04:27:50,642 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 139 [2021-02-24 04:27:50,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:27:50,652 INFO L225 Difference]: With dead ends: 1888 [2021-02-24 04:27:50,653 INFO L226 Difference]: Without dead ends: 1309 [2021-02-24 04:27:50,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=260, Invalid=930, Unknown=0, NotChecked=0, Total=1190 [2021-02-24 04:27:50,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2021-02-24 04:27:50,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1021. [2021-02-24 04:27:50,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2021-02-24 04:27:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1249 transitions. [2021-02-24 04:27:50,921 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1249 transitions. Word has length 139 [2021-02-24 04:27:50,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:27:50,923 INFO L480 AbstractCegarLoop]: Abstraction has 1021 states and 1249 transitions. [2021-02-24 04:27:50,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2021-02-24 04:27:50,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1249 transitions. [2021-02-24 04:27:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-24 04:27:50,928 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:27:50,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:27:50,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 04:27:50,929 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:27:50,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:27:50,930 INFO L82 PathProgramCache]: Analyzing trace with hash -971269767, now seen corresponding path program 1 times [2021-02-24 04:27:50,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:27:50,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103924885] [2021-02-24 04:27:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:27:50,959 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:50,964 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:50,967 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:50,971 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,018 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,027 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,032 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,034 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,045 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,061 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,065 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,073 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,077 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,083 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,118 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,120 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,128 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,129 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,131 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,140 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,143 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,149 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,153 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,167 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,202 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,205 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,209 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,211 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,214 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,223 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,227 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,233 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,238 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,243 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,277 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,280 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,285 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,292 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,294 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,301 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,304 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,311 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,314 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,328 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,363 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,365 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,369 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,374 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,376 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,387 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,389 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,393 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,396 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,401 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,439 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,441 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,444 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,446 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,447 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,452 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,454 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,459 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,461 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,466 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,497 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,499 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,505 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,507 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,509 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,518 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,520 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,525 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,527 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,531 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,567 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,570 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,572 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,573 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,575 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,579 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,581 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,585 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,587 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,592 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,622 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,625 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,628 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,629 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,632 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,638 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,639 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,643 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,647 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:27:51,651 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:27:51,683 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:27:51,685 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:27:51,690 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-24 04:27:51,692 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:27:51,693 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:51,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:27:51,697 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 86 [2021-02-24 04:27:51,697 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:27:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:27:51,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:27:51,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:27:51,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:27:51,886 WARN L141 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-02-24 04:27:51,887 WARN L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-02-24 04:27:51,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:27:51,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:27:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:27:51,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:27:51,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:51,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:27:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:27:52,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:27:52,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-24 04:27:52,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-24 04:27:52,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-24 04:27:52,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-24 04:27:52,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-24 04:27:52,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-24 04:27:52,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-24 04:27:52,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-24 04:27:52,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-02-24 04:27:52,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-24 04:27:52,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-02-24 04:27:52,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-24 04:27:52,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-02-24 04:27:52,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 04:27:52,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-24 04:27:52,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:52,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-02-24 04:27:52,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:52,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-02-24 04:27:52,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:52,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-02-24 04:27:52,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:52,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-02-24 04:27:52,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:52,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-02-24 04:27:52,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:52,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-02-24 04:27:52,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:52,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:52,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:52,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-02-24 04:27:53,041 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-02-24 04:27:53,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:53,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:53,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:53,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:53,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-02-24 04:27:53,278 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2021-02-24 04:27:53,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:53,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:53,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:53,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:53,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-02-24 04:27:53,564 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-02-24 04:27:53,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:53,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:53,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:53,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:53,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-02-24 04:27:53,922 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2021-02-24 04:27:53,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:53,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:53,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:53,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:53,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-02-24 04:27:54,303 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2021-02-24 04:27:54,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:54,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:54,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:54,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:54,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-02-24 04:27:54,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:54,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:54,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:54,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:54,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-02-24 04:27:54,891 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2021-02-24 04:27:54,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:54,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:54,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:54,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:54,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-02-24 04:27:54,996 WARN L141 QuantifierPusher]: treesize reduction 204, result has 44.3 percent of original size [2021-02-24 04:27:54,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:54,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:54,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:27:55,000 WARN L147 QuantifierPusher]: treesize reduction 204, result has 44.3 percent of original size 162 [2021-02-24 04:27:55,134 WARN L141 QuantifierPusher]: treesize reduction 57, result has 52.5 percent of original size [2021-02-24 04:27:55,138 WARN L147 QuantifierPusher]: treesize reduction 57, result has 52.5 percent of original size 63 [2021-02-24 04:27:55,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:27:55,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:27:55,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:27:55,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:27:55,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:27:55,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:27:55,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:27:55,523 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size [2021-02-24 04:27:55,525 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size 33 [2021-02-24 04:27:55,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:27:55,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:27:55,668 WARN L141 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-02-24 04:27:55,669 WARN L147 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size 30 [2021-02-24 04:27:55,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:27:55,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:27:55,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:27:55,875 WARN L141 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size [2021-02-24 04:27:55,876 WARN L147 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size 1 [2021-02-24 04:27:55,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103924885] [2021-02-24 04:27:55,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:27:55,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-02-24 04:27:55,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961234010] [2021-02-24 04:27:55,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-02-24 04:27:55,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:27:55,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-02-24 04:27:55,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=726, Unknown=0, NotChecked=0, Total=930 [2021-02-24 04:27:55,880 INFO L87 Difference]: Start difference. First operand 1021 states and 1249 transitions. Second operand 30 states. [2021-02-24 04:27:56,428 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 97 [2021-02-24 04:27:56,669 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 99 [2021-02-24 04:27:56,943 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-02-24 04:27:57,204 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 103 [2021-02-24 04:27:57,477 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 103 [2021-02-24 04:27:57,761 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 105 [2021-02-24 04:27:58,110 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 124 [2021-02-24 04:27:58,549 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-24 04:27:58,813 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2021-02-24 04:27:59,264 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 134 [2021-02-24 04:27:59,836 WARN L202 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 137 [2021-02-24 04:28:00,543 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 140 [2021-02-24 04:28:00,811 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2021-02-24 04:28:01,486 WARN L202 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 143 [2021-02-24 04:28:02,361 WARN L202 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 144 [2021-02-24 04:28:02,694 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-02-24 04:28:03,826 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-24 04:28:04,612 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-02-24 04:28:04,831 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-02-24 04:28:05,107 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-02-24 04:28:05,459 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-24 04:28:05,830 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-02-24 04:28:06,218 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-02-24 04:28:06,640 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-02-24 04:28:07,072 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-02-24 04:28:07,562 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2021-02-24 04:28:08,004 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-02-24 04:28:08,902 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-24 04:28:12,428 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-02-24 04:28:14,764 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 179 [2021-02-24 04:28:17,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:28:17,579 INFO L93 Difference]: Finished difference Result 3201 states and 4168 transitions. [2021-02-24 04:28:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-02-24 04:28:17,580 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 148 [2021-02-24 04:28:17,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:28:17,597 INFO L225 Difference]: With dead ends: 3201 [2021-02-24 04:28:17,597 INFO L226 Difference]: Without dead ends: 2212 [2021-02-24 04:28:17,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1557 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=956, Invalid=3874, Unknown=0, NotChecked=0, Total=4830 [2021-02-24 04:28:17,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2021-02-24 04:28:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 1438. [2021-02-24 04:28:18,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2021-02-24 04:28:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1782 transitions. [2021-02-24 04:28:18,030 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1782 transitions. Word has length 148 [2021-02-24 04:28:18,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:28:18,030 INFO L480 AbstractCegarLoop]: Abstraction has 1438 states and 1782 transitions. [2021-02-24 04:28:18,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2021-02-24 04:28:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1782 transitions. [2021-02-24 04:28:18,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-02-24 04:28:18,037 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:28:18,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:28:18,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-24 04:28:18,038 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:28:18,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:28:18,038 INFO L82 PathProgramCache]: Analyzing trace with hash 627378728, now seen corresponding path program 1 times [2021-02-24 04:28:18,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:28:18,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662665460] [2021-02-24 04:28:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:28:18,062 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-02-24 04:28:21,161 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 172290 conjuctions. This might take some time...