/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/mannadiv_valuebound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 05:47:19,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 05:47:19,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 05:47:19,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-01 05:47:19,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-01 05:47:19,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-01 05:47:19,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-01 05:47:19,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-01 05:47:19,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-01 05:47:19,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-01 05:47:19,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-01 05:47:19,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-01 05:47:19,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 05:47:19,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 05:47:19,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 05:47:19,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 05:47:19,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 05:47:19,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 05:47:19,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 05:47:19,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 05:47:19,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 05:47:19,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 05:47:19,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 05:47:19,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 05:47:19,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-01 05:47:19,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-01 05:47:19,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-01 05:47:19,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-01 05:47:19,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-01 05:47:19,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 05:47:19,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 05:47:19,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 05:47:19,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 05:47:19,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 05:47:19,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 05:47:19,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 05:47:19,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 05:47:19,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 05:47:19,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 05:47:19,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 05:47:19,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 05:47:19,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-01 05:47:19,598 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-01 05:47:19,598 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 05:47:19,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 05:47:19,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 05:47:19,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 05:47:19,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 05:47:19,843 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 05:47:19,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_valuebound20.c [2021-05-01 05:47:19,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f57840ea/3f2be7103f864fed9d6db669b2a9a0a2/FLAG7ca3198ad [2021-05-01 05:47:20,219 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 05:47:20,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_valuebound20.c [2021-05-01 05:47:20,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f57840ea/3f2be7103f864fed9d6db669b2a9a0a2/FLAG7ca3198ad [2021-05-01 05:47:20,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f57840ea/3f2be7103f864fed9d6db669b2a9a0a2 [2021-05-01 05:47:20,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 05:47:20,657 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-01 05:47:20,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 05:47:20,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 05:47:20,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 05:47:20,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff9356b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20, skipping insertion in model container [2021-05-01 05:47:20,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 05:47:20,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 05:47:20,762 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/mannadiv_valuebound20.c[573,586] [2021-05-01 05:47:20,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 05:47:20,774 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 05:47:20,781 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/mannadiv_valuebound20.c[573,586] [2021-05-01 05:47:20,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 05:47:20,792 INFO L208 MainTranslator]: Completed translation [2021-05-01 05:47:20,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20 WrapperNode [2021-05-01 05:47:20,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 05:47:20,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 05:47:20,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 05:47:20,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 05:47:20,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (1/1) ... [2021-05-01 05:47:20,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 05:47:20,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 05:47:20,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 05:47:20,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 05:47:20,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (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 05:47:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 05:47:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 05:47:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 05:47:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-01 05:47:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 05:47:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 05:47:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-01 05:47:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 05:47:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 05:47:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 05:47:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-01 05:47:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-01 05:47:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 05:47:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 05:47:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 05:47:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 05:47:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 05:47:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 05:47:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 05:47:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 05:47:21,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 05:47:21,104 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-01 05:47:21,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:47:21 BoogieIcfgContainer [2021-05-01 05:47:21,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 05:47:21,106 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-01 05:47:21,106 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-01 05:47:21,106 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-01 05:47:21,108 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:47:21" (1/1) ... [2021-05-01 05:47:21,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 05:47:21 BasicIcfg [2021-05-01 05:47:21,118 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-01 05:47:21,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 05:47:21,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 05:47:21,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 05:47:21,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 05:47:20" (1/4) ... [2021-05-01 05:47:21,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3892f38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 05:47:21, skipping insertion in model container [2021-05-01 05:47:21,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:47:20" (2/4) ... [2021-05-01 05:47:21,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3892f38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 05:47:21, skipping insertion in model container [2021-05-01 05:47:21,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:47:21" (3/4) ... [2021-05-01 05:47:21,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3892f38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 05:47:21, skipping insertion in model container [2021-05-01 05:47:21,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 05:47:21" (4/4) ... [2021-05-01 05:47:21,122 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound20.cJordan [2021-05-01 05:47:21,125 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-01 05:47:21,127 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 05:47:21,137 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 05:47:21,148 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 05:47:21,148 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-01 05:47:21,148 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-01 05:47:21,148 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 05:47:21,148 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 05:47:21,148 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 05:47:21,148 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 05:47:21,148 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 05:47:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 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 05:47:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-01 05:47:21,160 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 05:47:21,160 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 05:47:21,160 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 05:47:21,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 05:47:21,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1058806997, now seen corresponding path program 1 times [2021-05-01 05:47:21,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 05:47:21,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438280851] [2021-05-01 05:47:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 05:47:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 05:47:21,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 05:47:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 05:47:21,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-01 05:47:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 05:47:21,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-01 05:47:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 05:47:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-01 05:47:21,360 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 05:47:21,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438280851] [2021-05-01 05:47:21,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438280851] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 05:47:21,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 05:47:21,360 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-01 05:47:21,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757199128] [2021-05-01 05:47:21,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-01 05:47:21,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 05:47:21,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-01 05:47:21,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 05:47:21,373 INFO L87 Difference]: Start difference. First operand has 29 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-01 05:47:21,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 05:47:21,431 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2021-05-01 05:47:21,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-01 05:47:21,432 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-05-01 05:47:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 05:47:21,437 INFO L225 Difference]: With dead ends: 29 [2021-05-01 05:47:21,438 INFO L226 Difference]: Without dead ends: 24 [2021-05-01 05:47:21,438 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 05:47:21,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-05-01 05:47:21,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-05-01 05:47:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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 05:47:21,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-05-01 05:47:21,464 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 22 [2021-05-01 05:47:21,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 05:47:21,465 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-05-01 05:47:21,465 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-01 05:47:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-05-01 05:47:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-01 05:47:21,467 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 05:47:21,467 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 05:47:21,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 05:47:21,468 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 05:47:21,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 05:47:21,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1056930164, now seen corresponding path program 1 times [2021-05-01 05:47:21,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 05:47:21,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178891353] [2021-05-01 05:47:21,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 05:47:21,495 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 05:47:21,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946404518] [2021-05-01 05:47:21,495 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 05:47:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 05:47:21,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-01 05:47:21,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 05:47:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 05:47:21,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 05:47:21,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 05:47:21,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:21,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:21,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:21,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 05:47:21,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 05:47:21,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 05:47:21,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 05:47:21,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 05:47:21,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 05:47:21,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 05:47:21,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 05:47:21,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:21,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 05:47:21,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:21,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 05:47:21,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:21,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:21,723 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 05:47:21,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:21,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-01 05:47:21,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 05:47:21,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178891353] [2021-05-01 05:47:21,728 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 05:47:21,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946404518] [2021-05-01 05:47:21,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946404518] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 05:47:21,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-01 05:47:21,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-01 05:47:21,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335027200] [2021-05-01 05:47:21,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-01 05:47:21,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 05:47:21,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-01 05:47:21,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-01 05:47:21,732 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 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 05:47:21,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 05:47:21,818 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2021-05-01 05:47:21,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-01 05:47:21,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 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 22 [2021-05-01 05:47:21,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 05:47:21,820 INFO L225 Difference]: With dead ends: 33 [2021-05-01 05:47:21,820 INFO L226 Difference]: Without dead ends: 33 [2021-05-01 05:47:21,821 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.0ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-05-01 05:47:21,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-05-01 05:47:21,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2021-05-01 05:47:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-01 05:47:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-05-01 05:47:21,829 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 22 [2021-05-01 05:47:21,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 05:47:21,830 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-05-01 05:47:21,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 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 05:47:21,830 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-05-01 05:47:21,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-01 05:47:21,831 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 05:47:21,831 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 05:47:22,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-01 05:47:22,041 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 05:47:22,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 05:47:22,041 INFO L82 PathProgramCache]: Analyzing trace with hash -127181274, now seen corresponding path program 1 times [2021-05-01 05:47:22,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 05:47:22,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252062994] [2021-05-01 05:47:22,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 05:47:22,051 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 05:47:22,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466503441] [2021-05-01 05:47:22,052 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 05:47:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 05:47:22,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-01 05:47:22,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 05:47:22,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 05:47:22,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 05:47:22,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 05:47:22,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:22,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:22,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:22,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 05:47:22,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:22,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 05:47:22,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 05:47:22,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 05:47:22,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-05-01 05:47:22,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-05-01 05:47:22,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 05:47:22,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 05:47:22,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 05:47:22,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 05:47:22,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 05:47:22,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 05:47:22,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:22,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-05-01 05:47:22,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-05-01 05:47:22,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 05:47:22,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-05-01 05:47:22,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-05-01 05:47:22,259 INFO L142 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size [2021-05-01 05:47:22,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 05:47:22,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 05:47:22,280 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 05:47:22,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 05:47:22,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 05:47:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-01 05:47:22,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 05:47:22,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252062994] [2021-05-01 05:47:22,286 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 05:47:22,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466503441] [2021-05-01 05:47:22,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466503441] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 05:47:22,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-01 05:47:22,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-01 05:47:22,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049415663] [2021-05-01 05:47:22,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-01 05:47:22,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 05:47:22,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-01 05:47:22,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-05-01 05:47:22,288 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-01 05:47:22,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 05:47:22,388 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2021-05-01 05:47:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-01 05:47:22,388 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 28 [2021-05-01 05:47:22,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 05:47:22,390 INFO L225 Difference]: With dead ends: 28 [2021-05-01 05:47:22,390 INFO L226 Difference]: Without dead ends: 0 [2021-05-01 05:47:22,390 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 87.3ms TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-05-01 05:47:22,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-01 05:47:22,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-01 05:47:22,390 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 05:47:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-01 05:47:22,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-05-01 05:47:22,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 05:47:22,391 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-01 05:47:22,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-01 05:47:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-01 05:47:22,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-01 05:47:22,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 05:47:22,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 05:47:22 BasicIcfg [2021-05-01 05:47:22,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-01 05:47:22,604 INFO L168 Benchmark]: Toolchain (without parser) took 1946.98 ms. Allocated memory was 181.4 MB in the beginning and 233.8 MB in the end (delta: 52.4 MB). Free memory was 146.6 MB in the beginning and 197.6 MB in the end (delta: -51.0 MB). Peak memory consumption was 1.8 MB. Max. memory is 8.0 GB. [2021-05-01 05:47:22,605 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 181.4 MB. Free memory is still 163.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-01 05:47:22,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.93 ms. Allocated memory is still 181.4 MB. Free memory was 146.5 MB in the beginning and 136.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-01 05:47:22,605 INFO L168 Benchmark]: Boogie Preprocessor took 45.62 ms. Allocated memory is still 181.4 MB. Free memory was 136.9 MB in the beginning and 164.8 MB in the end (delta: -28.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. [2021-05-01 05:47:22,605 INFO L168 Benchmark]: RCFGBuilder took 266.08 ms. Allocated memory is still 181.4 MB. Free memory was 164.8 MB in the beginning and 150.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-05-01 05:47:22,605 INFO L168 Benchmark]: IcfgTransformer took 12.08 ms. Allocated memory is still 181.4 MB. Free memory was 150.1 MB in the beginning and 148.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-01 05:47:22,605 INFO L168 Benchmark]: TraceAbstraction took 1485.45 ms. Allocated memory was 181.4 MB in the beginning and 233.8 MB in the end (delta: 52.4 MB). Free memory was 148.0 MB in the beginning and 197.6 MB in the end (delta: -49.6 MB). Peak memory consumption was 3.9 MB. Max. memory is 8.0 GB. [2021-05-01 05:47:22,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 181.4 MB. Free memory is still 163.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 132.93 ms. Allocated memory is still 181.4 MB. Free memory was 146.5 MB in the beginning and 136.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.62 ms. Allocated memory is still 181.4 MB. Free memory was 136.9 MB in the beginning and 164.8 MB in the end (delta: -28.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 266.08 ms. Allocated memory is still 181.4 MB. Free memory was 164.8 MB in the beginning and 150.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * IcfgTransformer took 12.08 ms. Allocated memory is still 181.4 MB. Free memory was 150.1 MB in the beginning and 148.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1485.45 ms. Allocated memory was 181.4 MB in the beginning and 233.8 MB in the end (delta: 52.4 MB). Free memory was 148.0 MB in the beginning and 197.6 MB in the end (delta: -49.6 MB). Peak memory consumption was 3.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: 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, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1454.6ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 8.6ms, AutomataDifference: 267.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 53 SDslu, 155 SDs, 0 SdLazy, 165 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 132.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 153.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 25.7ms AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.9ms SsaConstructionTime, 88.2ms SatisfiabilityAnalysisTime, 459.3ms InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 199 SizeOfPredicates, 6 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 7/14 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...