/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_valuebound1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 06:04:37,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 06:04:37,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 06:04:37,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-01 06:04:37,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-01 06:04:37,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-01 06:04:37,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-01 06:04:37,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-01 06:04:37,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-01 06:04:37,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-01 06:04:37,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-01 06:04:37,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-01 06:04:37,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 06:04:37,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 06:04:37,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 06:04:37,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 06:04:37,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 06:04:37,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 06:04:37,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 06:04:37,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 06:04:37,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 06:04:37,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 06:04:37,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 06:04:37,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 06:04:37,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-01 06:04:37,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-01 06:04:37,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-01 06:04:37,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-01 06:04:37,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-01 06:04:37,496 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 06:04:37,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 06:04:37,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 06:04:37,497 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 06:04:37,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 06:04:37,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 06:04:37,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 06:04:37,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 06:04:37,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 06:04:37,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 06:04:37,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 06:04:37,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 06:04:37,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 06:04:37,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 06:04:37,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 06:04:37,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 06:04:37,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 06:04:37,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 06:04:37,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 06:04:37,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 06:04:37,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-01 06:04:37,501 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-01 06:04:37,501 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 06:04:37,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 06:04:37,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 06:04:37,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 06:04:37,784 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 06:04:37,784 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 06:04:37,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_valuebound1.c [2021-05-01 06:04:37,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69232054/d4a8b8649aac40fe9c25ae1db97e6225/FLAG172c34f79 [2021-05-01 06:04:38,291 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 06:04:38,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_valuebound1.c [2021-05-01 06:04:38,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69232054/d4a8b8649aac40fe9c25ae1db97e6225/FLAG172c34f79 [2021-05-01 06:04:38,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69232054/d4a8b8649aac40fe9c25ae1db97e6225 [2021-05-01 06:04:38,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 06:04:38,318 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-01 06:04:38,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 06:04:38,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 06:04:38,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 06:04:38,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3f83ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38, skipping insertion in model container [2021-05-01 06:04:38,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 06:04:38,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 06:04:38,447 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_valuebound1.c[458,471] [2021-05-01 06:04:38,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 06:04:38,464 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 06:04:38,506 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_valuebound1.c[458,471] [2021-05-01 06:04:38,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 06:04:38,530 INFO L208 MainTranslator]: Completed translation [2021-05-01 06:04:38,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38 WrapperNode [2021-05-01 06:04:38,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 06:04:38,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 06:04:38,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 06:04:38,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 06:04:38,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 06:04:38,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 06:04:38,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 06:04:38,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 06:04:38,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 06:04:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 06:04:38,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 06:04:38,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 06:04:38,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-01 06:04:38,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 06:04:38,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 06:04:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-01 06:04:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 06:04:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 06:04:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 06:04:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-05-01 06:04:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-01 06:04:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 06:04:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 06:04:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 06:04:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 06:04:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 06:04:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 06:04:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 06:04:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 06:04:38,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 06:04:38,930 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-01 06:04:38,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 06:04:38 BoogieIcfgContainer [2021-05-01 06:04:38,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 06:04:38,932 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-01 06:04:38,932 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-01 06:04:38,932 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-01 06:04:38,934 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 06:04:38" (1/1) ... [2021-05-01 06:04:38,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 06:04:38 BasicIcfg [2021-05-01 06:04:38,979 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-01 06:04:38,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 06:04:38,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 06:04:38,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 06:04:38,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 06:04:38" (1/4) ... [2021-05-01 06:04:38,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9906be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 06:04:38, skipping insertion in model container [2021-05-01 06:04:38,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:04:38" (2/4) ... [2021-05-01 06:04:38,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9906be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 06:04:38, skipping insertion in model container [2021-05-01 06:04:38,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 06:04:38" (3/4) ... [2021-05-01 06:04:38,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9906be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 06:04:38, skipping insertion in model container [2021-05-01 06:04:38,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 06:04:38" (4/4) ... [2021-05-01 06:04:38,986 INFO L111 eAbstractionObserver]: Analyzing ICFG ps4-ll_valuebound1.cJordan [2021-05-01 06:04:38,990 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-01 06:04:38,999 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 06:04:39,017 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 06:04:39,035 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 06:04:39,035 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-01 06:04:39,035 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-01 06:04:39,036 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 06:04:39,036 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 06:04:39,036 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 06:04:39,036 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 06:04:39,036 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 06:04:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-01 06:04:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-01 06:04:39,062 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:04:39,063 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:04:39,063 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:04:39,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:04:39,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1885409022, now seen corresponding path program 1 times [2021-05-01 06:04:39,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:04:39,079 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561977490] [2021-05-01 06:04:39,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:04:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:04:39,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:39,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:39,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:39,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:39,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 06:04:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:04:39,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:39,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:39,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-01 06:04:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:04:39,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:39,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:39,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:39,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 06:04:39,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:04:39,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561977490] [2021-05-01 06:04:39,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561977490] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 06:04:39,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 06:04:39,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-01 06:04:39,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155110586] [2021-05-01 06:04:39,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-01 06:04:39,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:04:39,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-01 06:04:39,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 06:04:39,361 INFO L87 Difference]: Start difference. First operand has 28 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-01 06:04:41,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:04:41,470 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2021-05-01 06:04:41,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-01 06:04:41,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-05-01 06:04:41,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:04:41,478 INFO L225 Difference]: With dead ends: 28 [2021-05-01 06:04:41,478 INFO L226 Difference]: Without dead ends: 23 [2021-05-01 06:04:41,479 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 53.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 06:04:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-05-01 06:04:41,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-05-01 06:04:41,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-01 06:04:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2021-05-01 06:04:41,506 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 17 [2021-05-01 06:04:41,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:04:41,507 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2021-05-01 06:04:41,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-01 06:04:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-05-01 06:04:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-01 06:04:41,508 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:04:41,508 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:04:41,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 06:04:41,508 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:04:41,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:04:41,509 INFO L82 PathProgramCache]: Analyzing trace with hash 603980644, now seen corresponding path program 1 times [2021-05-01 06:04:41,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:04:41,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432474642] [2021-05-01 06:04:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:04:41,522 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:04:41,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408567418] [2021-05-01 06:04:41,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:04:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:04:41,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-01 06:04:41,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:04:41,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:04:41,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:41,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:41,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:41,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:41,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:41,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:41,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:41,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:41,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:41,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:41,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 06:04:41,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:41,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:41,766 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 06:04:41,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:41,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 06:04:41,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:04:41,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432474642] [2021-05-01 06:04:41,770 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:04:41,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408567418] [2021-05-01 06:04:41,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408567418] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 06:04:41,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 06:04:41,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-01 06:04:41,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24251122] [2021-05-01 06:04:41,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-01 06:04:41,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:04:41,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-01 06:04:41,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-01 06:04:41,772 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-01 06:04:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:04:41,847 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2021-05-01 06:04:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-01 06:04:41,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-05-01 06:04:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:04:41,849 INFO L225 Difference]: With dead ends: 32 [2021-05-01 06:04:41,849 INFO L226 Difference]: Without dead ends: 30 [2021-05-01 06:04:41,850 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 47.7ms TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-05-01 06:04:41,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-05-01 06:04:41,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-05-01 06:04:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-01 06:04:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2021-05-01 06:04:41,855 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 17 [2021-05-01 06:04:41,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:04:41,856 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2021-05-01 06:04:41,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-01 06:04:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-05-01 06:04:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-05-01 06:04:41,857 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:04:41,857 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:04:42,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-01 06:04:42,080 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:04:42,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:04:42,081 INFO L82 PathProgramCache]: Analyzing trace with hash -169450186, now seen corresponding path program 1 times [2021-05-01 06:04:42,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:04:42,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267121236] [2021-05-01 06:04:42,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:04:42,105 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:04:42,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1988767864] [2021-05-01 06:04:42,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:04:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:04:42,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-01 06:04:42,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:04:42,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:04:42,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 06:04:42,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,345 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-05-01 06:04:42,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,416 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 06:04:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 06:04:42,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:04:42,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267121236] [2021-05-01 06:04:42,419 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:04:42,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988767864] [2021-05-01 06:04:42,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988767864] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 06:04:42,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-01 06:04:42,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-01 06:04:42,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854789593] [2021-05-01 06:04:42,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-01 06:04:42,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:04:42,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-01 06:04:42,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-05-01 06:04:42,421 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-01 06:04:42,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:04:42,534 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2021-05-01 06:04:42,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-01 06:04:42,535 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2021-05-01 06:04:42,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:04:42,536 INFO L225 Difference]: With dead ends: 39 [2021-05-01 06:04:42,536 INFO L226 Difference]: Without dead ends: 38 [2021-05-01 06:04:42,536 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 84.7ms TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-05-01 06:04:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-05-01 06:04:42,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-05-01 06:04:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-01 06:04:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2021-05-01 06:04:42,543 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 24 [2021-05-01 06:04:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:04:42,543 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2021-05-01 06:04:42,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-01 06:04:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-05-01 06:04:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-05-01 06:04:42,544 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:04:42,544 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:04:42,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:04:42,745 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:04:42,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:04:42,745 INFO L82 PathProgramCache]: Analyzing trace with hash -434891502, now seen corresponding path program 1 times [2021-05-01 06:04:42,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:04:42,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008850139] [2021-05-01 06:04:42,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:04:42,753 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:04:42,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996788019] [2021-05-01 06:04:42,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:04:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:04:42,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-01 06:04:42,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:04:42,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:04:42,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:42,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:42,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:42,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 06:04:42,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 06:04:42,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,966 INFO L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-05-01 06:04:42,966 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-05-01 06:04:42,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:42,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:04:42,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:42,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:42,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:04:42,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:42,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 06:04:43,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 06:04:43,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 06:04:43,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 06:04:43,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-05-01 06:04:43,035 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-05-01 06:04:43,041 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,043 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size [2021-05-01 06:04:43,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,071 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 06:04:43,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-01 06:04:43,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:04:43,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008850139] [2021-05-01 06:04:43,073 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:04:43,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996788019] [2021-05-01 06:04:43,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996788019] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 06:04:43,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-01 06:04:43,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-01 06:04:43,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863424032] [2021-05-01 06:04:43,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-01 06:04:43,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:04:43,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-01 06:04:43,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-05-01 06:04:43,075 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-01 06:04:43,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:04:43,159 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2021-05-01 06:04:43,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-01 06:04:43,160 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 30 [2021-05-01 06:04:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:04:43,161 INFO L225 Difference]: With dead ends: 42 [2021-05-01 06:04:43,161 INFO L226 Difference]: Without dead ends: 37 [2021-05-01 06:04:43,161 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 76.7ms TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-05-01 06:04:43,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-05-01 06:04:43,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-05-01 06:04:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 24 states have internal predecessors, (25), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-01 06:04:43,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2021-05-01 06:04:43,166 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 30 [2021-05-01 06:04:43,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:04:43,166 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2021-05-01 06:04:43,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-01 06:04:43,166 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2021-05-01 06:04:43,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-05-01 06:04:43,167 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:04:43,167 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:04:43,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:04:43,368 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:04:43,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:04:43,368 INFO L82 PathProgramCache]: Analyzing trace with hash -570969308, now seen corresponding path program 2 times [2021-05-01 06:04:43,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:04:43,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621542467] [2021-05-01 06:04:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:04:43,380 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:04:43,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638246641] [2021-05-01 06:04:43,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:04:43,450 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-01 06:04:43,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-01 06:04:43,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjunts are in the unsatisfiable core [2021-05-01 06:04:43,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:04:43,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:04:43,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:43,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:43,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:43,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:43,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:43,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:43,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:04:43,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:43,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:43,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:43,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:43,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 06:04:43,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 06:04:43,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 06:04:43,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 06:04:43,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:43,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:04:43,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:04:43,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:04:43,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 06:04:43,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:04:43,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:04:43,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 06:04:43,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-05-01 06:04:43,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:04:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:04:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-01 06:04:43,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:04:43,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621542467] [2021-05-01 06:04:43,648 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:04:43,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638246641] [2021-05-01 06:04:43,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638246641] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 06:04:43,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 06:04:43,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-01 06:04:43,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623457166] [2021-05-01 06:04:43,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-01 06:04:43,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:04:43,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-01 06:04:43,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-05-01 06:04:43,650 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-01 06:04:43,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:04:43,683 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2021-05-01 06:04:43,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-01 06:04:43,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 31 [2021-05-01 06:04:43,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:04:43,684 INFO L225 Difference]: With dead ends: 26 [2021-05-01 06:04:43,684 INFO L226 Difference]: Without dead ends: 0 [2021-05-01 06:04:43,684 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 47.3ms TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-05-01 06:04:43,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-01 06:04:43,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-01 06:04:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-01 06:04:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-01 06:04:43,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-05-01 06:04:43,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:04:43,685 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-01 06:04:43,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-01 06:04:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-01 06:04:43,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-01 06:04:43,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:04:43,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 06:04:43 BasicIcfg [2021-05-01 06:04:43,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-01 06:04:43,905 INFO L168 Benchmark]: Toolchain (without parser) took 5587.43 ms. Allocated memory was 194.0 MB in the beginning and 232.8 MB in the end (delta: 38.8 MB). Free memory was 159.2 MB in the beginning and 96.9 MB in the end (delta: 62.2 MB). Peak memory consumption was 101.6 MB. Max. memory is 8.0 GB. [2021-05-01 06:04:43,905 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 194.0 MB. Free memory is still 176.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-01 06:04:43,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.04 ms. Allocated memory is still 194.0 MB. Free memory was 158.9 MB in the beginning and 177.4 MB in the end (delta: -18.4 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. [2021-05-01 06:04:43,905 INFO L168 Benchmark]: Boogie Preprocessor took 34.56 ms. Allocated memory is still 194.0 MB. Free memory was 177.4 MB in the beginning and 176.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-01 06:04:43,905 INFO L168 Benchmark]: RCFGBuilder took 364.17 ms. Allocated memory is still 194.0 MB. Free memory was 175.7 MB in the beginning and 161.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-05-01 06:04:43,905 INFO L168 Benchmark]: IcfgTransformer took 47.67 ms. Allocated memory is still 194.0 MB. Free memory was 161.6 MB in the beginning and 160.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-01 06:04:43,905 INFO L168 Benchmark]: TraceAbstraction took 4923.80 ms. Allocated memory was 194.0 MB in the beginning and 232.8 MB in the end (delta: 38.8 MB). Free memory was 159.9 MB in the beginning and 96.9 MB in the end (delta: 63.0 MB). Peak memory consumption was 102.2 MB. Max. memory is 8.0 GB. [2021-05-01 06:04:43,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 194.0 MB. Free memory is still 176.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 212.04 ms. Allocated memory is still 194.0 MB. Free memory was 158.9 MB in the beginning and 177.4 MB in the end (delta: -18.4 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.56 ms. Allocated memory is still 194.0 MB. Free memory was 177.4 MB in the beginning and 176.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 364.17 ms. Allocated memory is still 194.0 MB. Free memory was 175.7 MB in the beginning and 161.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * IcfgTransformer took 47.67 ms. Allocated memory is still 194.0 MB. Free memory was 161.6 MB in the beginning and 160.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4923.80 ms. Allocated memory was 194.0 MB in the beginning and 232.8 MB in the end (delta: 38.8 MB). Free memory was 159.9 MB in the beginning and 96.9 MB in the end (delta: 63.0 MB). Peak memory consumption was 102.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4868.3ms, OverallIterations: 5, TraceHistogramMax: 3, EmptinessCheckTime: 20.9ms, AutomataDifference: 2447.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 113 SDtfs, 48 SDslu, 397 SDs, 0 SdLazy, 191 SolverSat, 17 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2225.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 310.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=3, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 32.7ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 53.6ms SsaConstructionTime, 162.4ms SatisfiabilityAnalysisTime, 1013.3ms InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 374 SizeOfPredicates, 10 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 25/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...