/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/dijkstra-u_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 00:59:19,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 00:59:19,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 00:59:19,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-16 00:59:19,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 00:59:19,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 00:59:19,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 00:59:19,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 00:59:19,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 00:59:19,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 00:59:19,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 00:59:19,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 00:59:19,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 00:59:19,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 00:59:19,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 00:59:19,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 00:59:19,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-16 00:59:19,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 00:59:19,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 00:59:19,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 00:59:19,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-04-16 00:59:19,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 00:59:19,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 00:59:19,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-16 00:59:19,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-16 00:59:19,894 INFO L138 SettingsManager]: * Use SBE=true [2021-04-16 00:59:19,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 00:59:19,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 00:59:19,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 00:59:19,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 00:59:19,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 00:59:19,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 00:59:19,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 00:59:19,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 00:59:19,896 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 00:59:19,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 00:59:19,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 00:59:19,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 00:59:19,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 00:59:19,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 00:59:19,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 00:59:19,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 00:59:19,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 00:59:19,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-16 00:59:19,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-16 00:59:19,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-16 00:59:19,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-16 00:59:19,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 00:59:19,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-04-16 00:59:19,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 00:59:20,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 00:59:20,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 00:59:20,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 00:59:20,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 00:59:20,226 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 00:59:20,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2021-04-16 00:59:20,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a951e9343/66eb0104e18a435a91141b3c7d51789a/FLAG3df0bd40b [2021-04-16 00:59:20,621 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 00:59:20,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2021-04-16 00:59:20,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a951e9343/66eb0104e18a435a91141b3c7d51789a/FLAG3df0bd40b [2021-04-16 00:59:21,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a951e9343/66eb0104e18a435a91141b3c7d51789a [2021-04-16 00:59:21,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 00:59:21,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 00:59:21,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 00:59:21,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 00:59:21,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 00:59:21,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ded811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21, skipping insertion in model container [2021-04-16 00:59:21,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 00:59:21,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 00:59:21,184 WARN L226 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/dijkstra-u_unwindbound2.c[533,546] [2021-04-16 00:59:21,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 00:59:21,214 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 00:59:21,239 WARN L226 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/dijkstra-u_unwindbound2.c[533,546] [2021-04-16 00:59:21,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 00:59:21,286 INFO L208 MainTranslator]: Completed translation [2021-04-16 00:59:21,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21 WrapperNode [2021-04-16 00:59:21,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 00:59:21,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 00:59:21,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 00:59:21,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 00:59:21,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (1/1) ... [2021-04-16 00:59:21,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 00:59:21,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 00:59:21,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 00:59:21,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 00:59:21,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 00:59:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 00:59:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 00:59:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 00:59:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-04-16 00:59:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-04-16 00:59:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 00:59:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 00:59:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 00:59:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 00:59:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 00:59:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-04-16 00:59:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-04-16 00:59:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 00:59:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 00:59:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 00:59:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 00:59:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 00:59:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 00:59:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 00:59:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 00:59:21,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 00:59:21,740 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-04-16 00:59:21,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 12:59:21 BoogieIcfgContainer [2021-04-16 00:59:21,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 00:59:21,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 00:59:21,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 00:59:21,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 00:59:21,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 12:59:21" (1/3) ... [2021-04-16 00:59:21,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c48d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 12:59:21, skipping insertion in model container [2021-04-16 00:59:21,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 12:59:21" (2/3) ... [2021-04-16 00:59:21,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c48d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 12:59:21, skipping insertion in model container [2021-04-16 00:59:21,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 12:59:21" (3/3) ... [2021-04-16 00:59:21,747 INFO L111 eAbstractionObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2021-04-16 00:59:21,752 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-16 00:59:21,754 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 00:59:21,764 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 00:59:21,779 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 00:59:21,780 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 00:59:21,780 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-16 00:59:21,780 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 00:59:21,780 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 00:59:21,780 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 00:59:21,780 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 00:59:21,780 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 00:59:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 00:59:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-04-16 00:59:21,796 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 00:59:21,797 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 00:59:21,797 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 00:59:21,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 00:59:21,801 INFO L82 PathProgramCache]: Analyzing trace with hash -2024343623, now seen corresponding path program 1 times [2021-04-16 00:59:21,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 00:59:21,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927650000] [2021-04-16 00:59:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 00:59:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:21,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:21,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:21,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:21,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:22,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 00:59:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:22,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:22,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:22,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-04-16 00:59:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:22,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:22,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:22,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:22,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 00:59:22,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927650000] [2021-04-16 00:59:22,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 00:59:22,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-16 00:59:22,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103232992] [2021-04-16 00:59:22,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-16 00:59:22,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 00:59:22,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-16 00:59:22,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 00:59:22,089 INFO L87 Difference]: Start difference. First operand has 39 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-04-16 00:59:24,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 00:59:24,981 INFO L93 Difference]: Finished difference Result 70 states and 111 transitions. [2021-04-16 00:59:24,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-16 00:59:24,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2021-04-16 00:59:24,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 00:59:24,989 INFO L225 Difference]: With dead ends: 70 [2021-04-16 00:59:24,989 INFO L226 Difference]: Without dead ends: 35 [2021-04-16 00:59:24,991 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 54.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 00:59:25,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-04-16 00:59:25,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-04-16 00:59:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 00:59:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2021-04-16 00:59:25,025 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 46 transitions. Word has length 18 [2021-04-16 00:59:25,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 00:59:25,025 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 46 transitions. [2021-04-16 00:59:25,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-04-16 00:59:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2021-04-16 00:59:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-04-16 00:59:25,026 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 00:59:25,026 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 00:59:25,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 00:59:25,027 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 00:59:25,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 00:59:25,028 INFO L82 PathProgramCache]: Analyzing trace with hash -96361696, now seen corresponding path program 1 times [2021-04-16 00:59:25,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 00:59:25,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721270870] [2021-04-16 00:59:25,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 00:59:25,043 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-04-16 00:59:25,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795444380] [2021-04-16 00:59:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:25,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-16 00:59:25,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-16 00:59:25,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:25,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 00:59:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:25,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:25,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,264 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-04-16 00:59:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 00:59:25,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721270870] [2021-04-16 00:59:25,287 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-04-16 00:59:25,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795444380] [2021-04-16 00:59:25,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 00:59:25,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 00:59:25,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461492403] [2021-04-16 00:59:25,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 00:59:25,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 00:59:25,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 00:59:25,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 00:59:25,290 INFO L87 Difference]: Start difference. First operand 34 states and 46 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 00:59:25,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 00:59:25,317 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2021-04-16 00:59:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 00:59:25,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2021-04-16 00:59:25,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 00:59:25,324 INFO L225 Difference]: With dead ends: 55 [2021-04-16 00:59:25,324 INFO L226 Difference]: Without dead ends: 36 [2021-04-16 00:59:25,327 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.0ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 00:59:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-04-16 00:59:25,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-04-16 00:59:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 00:59:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2021-04-16 00:59:25,342 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 20 [2021-04-16 00:59:25,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 00:59:25,342 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2021-04-16 00:59:25,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 00:59:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2021-04-16 00:59:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-04-16 00:59:25,343 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 00:59:25,343 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 00:59:25,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-04-16 00:59:25,560 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 00:59:25,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 00:59:25,561 INFO L82 PathProgramCache]: Analyzing trace with hash 962099791, now seen corresponding path program 1 times [2021-04-16 00:59:25,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 00:59:25,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540757358] [2021-04-16 00:59:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 00:59:25,576 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-04-16 00:59:25,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26018977] [2021-04-16 00:59:25,576 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 [2021-04-16 00:59:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:25,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-16 00:59:25,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-16 00:59:25,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:25,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:25,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 00:59:25,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 00:59:25,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 00:59:25,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-16 00:59:25,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:25,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:25,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:25,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:25,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:25,761 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-04-16 00:59:25,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 00:59:25,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540757358] [2021-04-16 00:59:25,780 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-04-16 00:59:25,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26018977] [2021-04-16 00:59:25,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 00:59:25,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 00:59:25,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447931931] [2021-04-16 00:59:25,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 00:59:25,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 00:59:25,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 00:59:25,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-16 00:59:25,781 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 00:59:25,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 00:59:25,814 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2021-04-16 00:59:25,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 00:59:25,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-04-16 00:59:25,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 00:59:25,816 INFO L225 Difference]: With dead ends: 49 [2021-04-16 00:59:25,816 INFO L226 Difference]: Without dead ends: 40 [2021-04-16 00:59:25,817 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 15.5ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-16 00:59:25,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-04-16 00:59:25,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-04-16 00:59:25,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 00:59:25,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2021-04-16 00:59:25,825 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 21 [2021-04-16 00:59:25,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 00:59:25,825 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2021-04-16 00:59:25,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 00:59:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2021-04-16 00:59:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-04-16 00:59:25,826 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 00:59:25,826 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 00:59:26,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:26,027 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 00:59:26,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 00:59:26,028 INFO L82 PathProgramCache]: Analyzing trace with hash 963589341, now seen corresponding path program 1 times [2021-04-16 00:59:26,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 00:59:26,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715604984] [2021-04-16 00:59:26,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 00:59:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:26,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:26,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:26,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:26,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:26,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.4 percent of original size [2021-04-16 00:59:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-16 00:59:26,227 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.5 percent of original size [2021-04-16 00:59:26,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 00:59:26,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:26,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:26,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:26,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:26,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:26,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:26,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 00:59:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:26,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:26,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:26,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-04-16 00:59:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:26,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:26,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 00:59:26,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715604984] [2021-04-16 00:59:26,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 00:59:26,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-16 00:59:26,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690429611] [2021-04-16 00:59:26,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-16 00:59:26,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 00:59:26,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-16 00:59:26,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-16 00:59:26,336 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-04-16 00:59:33,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 00:59:33,790 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-04-16 00:59:33,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-16 00:59:33,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2021-04-16 00:59:33,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 00:59:33,792 INFO L225 Difference]: With dead ends: 72 [2021-04-16 00:59:33,792 INFO L226 Difference]: Without dead ends: 53 [2021-04-16 00:59:33,793 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 316.0ms TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-04-16 00:59:33,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-04-16 00:59:33,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2021-04-16 00:59:33,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 18 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 00:59:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 68 transitions. [2021-04-16 00:59:33,804 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 68 transitions. Word has length 21 [2021-04-16 00:59:33,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 00:59:33,804 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 68 transitions. [2021-04-16 00:59:33,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-04-16 00:59:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2021-04-16 00:59:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-04-16 00:59:33,810 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 00:59:33,810 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 00:59:33,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-16 00:59:33,810 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 00:59:33,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 00:59:33,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1701877900, now seen corresponding path program 1 times [2021-04-16 00:59:33,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 00:59:33,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554637705] [2021-04-16 00:59:33,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 00:59:33,829 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-04-16 00:59:33,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097532878] [2021-04-16 00:59:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:33,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-16 00:59:33,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-16 00:59:33,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:33,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:33,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:33,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:33,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:33,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:33,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:33,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 00:59:33,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:33,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:33,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 00:59:33,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:33,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:33,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:33,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 00:59:33,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-16 00:59:33,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:33,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:33,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:33,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:33,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:33,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:33,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:33,972 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-04-16 00:59:33,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:33,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 00:59:33,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554637705] [2021-04-16 00:59:33,985 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-04-16 00:59:33,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097532878] [2021-04-16 00:59:33,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-04-16 00:59:33,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-04-16 00:59:33,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967688928] [2021-04-16 00:59:33,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 00:59:33,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 00:59:33,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 00:59:33,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-16 00:59:33,987 INFO L87 Difference]: Start difference. First operand 50 states and 68 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 00:59:34,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 00:59:34,039 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2021-04-16 00:59:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-16 00:59:34,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-04-16 00:59:34,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 00:59:34,042 INFO L225 Difference]: With dead ends: 71 [2021-04-16 00:59:34,042 INFO L226 Difference]: Without dead ends: 52 [2021-04-16 00:59:34,042 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.8ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-16 00:59:34,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-04-16 00:59:34,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-04-16 00:59:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 18 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 00:59:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2021-04-16 00:59:34,065 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 70 transitions. Word has length 23 [2021-04-16 00:59:34,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 00:59:34,065 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 70 transitions. [2021-04-16 00:59:34,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 00:59:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2021-04-16 00:59:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-04-16 00:59:34,066 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 00:59:34,066 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 00:59:34,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:34,267 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 00:59:34,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 00:59:34,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1564262277, now seen corresponding path program 1 times [2021-04-16 00:59:34,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 00:59:34,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063666232] [2021-04-16 00:59:34,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 00:59:34,276 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-04-16 00:59:34,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143240321] [2021-04-16 00:59:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:34,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-16 00:59:34,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-16 00:59:34,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:34,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:34,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:34,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:34,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:34,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:34,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:34,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:34,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-16 00:59:34,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-16 00:59:34,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 00:59:34,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 00:59:34,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:34,612 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-16 00:59:34,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:34,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:34,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:34,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:34,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:34,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:34,656 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-04-16 00:59:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:34,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-04-16 00:59:34,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063666232] [2021-04-16 00:59:34,658 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-04-16 00:59:34,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143240321] [2021-04-16 00:59:34,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 00:59:34,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-16 00:59:34,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082858509] [2021-04-16 00:59:34,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-16 00:59:34,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 00:59:34,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-16 00:59:34,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-16 00:59:34,660 INFO L87 Difference]: Start difference. First operand 52 states and 70 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-04-16 00:59:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 00:59:39,304 INFO L93 Difference]: Finished difference Result 70 states and 97 transitions. [2021-04-16 00:59:39,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-16 00:59:39,304 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2021-04-16 00:59:39,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 00:59:39,305 INFO L225 Difference]: With dead ends: 70 [2021-04-16 00:59:39,305 INFO L226 Difference]: Without dead ends: 67 [2021-04-16 00:59:39,306 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 87.1ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-04-16 00:59:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-04-16 00:59:39,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-04-16 00:59:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 37 states have internal predecessors, (44), 26 states have call successors, (26), 6 states have call predecessors, (26), 5 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-04-16 00:59:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-04-16 00:59:39,315 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 24 [2021-04-16 00:59:39,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 00:59:39,315 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-04-16 00:59:39,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-04-16 00:59:39,316 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-04-16 00:59:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-04-16 00:59:39,316 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 00:59:39,316 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 00:59:39,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:39,520 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 00:59:39,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 00:59:39,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1562772727, now seen corresponding path program 1 times [2021-04-16 00:59:39,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 00:59:39,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033808881] [2021-04-16 00:59:39,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 00:59:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:39,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 00:59:39,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 00:59:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:39,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-04-16 00:59:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:39,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 00:59:39,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033808881] [2021-04-16 00:59:39,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020990918] [2021-04-16 00:59:39,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:39,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjunts are in the unsatisfiable core [2021-04-16 00:59:39,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-16 00:59:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:39,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:39,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:39,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:39,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 00:59:39,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:39,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 00:59:39,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:39,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 00:59:39,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-16 00:59:39,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:39,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 00:59:39,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:39,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 00:59:39,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-16 00:59:39,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:39,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:39,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:39,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:39,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:39,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:39,827 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-16 00:59:39,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 00:59:39,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-04-16 00:59:39,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-04-16 00:59:39,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791757829] [2021-04-16 00:59:39,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-16 00:59:39,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 00:59:39,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-16 00:59:39,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-16 00:59:39,836 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 00:59:39,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 00:59:39,916 INFO L93 Difference]: Finished difference Result 79 states and 104 transitions. [2021-04-16 00:59:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-16 00:59:39,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2021-04-16 00:59:39,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 00:59:39,918 INFO L225 Difference]: With dead ends: 79 [2021-04-16 00:59:39,918 INFO L226 Difference]: Without dead ends: 47 [2021-04-16 00:59:39,919 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 86.5ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-16 00:59:39,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-04-16 00:59:39,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-04-16 00:59:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 11 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-04-16 00:59:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2021-04-16 00:59:39,924 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 24 [2021-04-16 00:59:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 00:59:39,924 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2021-04-16 00:59:39,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 00:59:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2021-04-16 00:59:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-04-16 00:59:39,925 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 00:59:39,925 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 00:59:40,136 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-04-16 00:59:40,137 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 00:59:40,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 00:59:40,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1629545878, now seen corresponding path program 1 times [2021-04-16 00:59:40,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 00:59:40,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450075055] [2021-04-16 00:59:40,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 00:59:40,145 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-04-16 00:59:40,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18657564] [2021-04-16 00:59:40,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 00:59:40,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-16 00:59:40,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-16 00:59:40,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:40,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:40,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:40,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:40,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:40,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:40,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:40,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 00:59:40,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-16 00:59:40,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-16 00:59:40,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 00:59:40,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 00:59:40,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:40,304 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-16 00:59:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:40,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:40,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:40,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 00:59:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:40,327 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-16 00:59:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 00:59:40,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:40,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 00:59:40,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 00:59:40,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 00:59:40,353 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-04-16 00:59:40,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 00:59:40,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 00:59:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 00:59:40,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450075055] [2021-04-16 00:59:40,356 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-04-16 00:59:40,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18657564] [2021-04-16 00:59:40,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 00:59:40,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-16 00:59:40,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713655479] [2021-04-16 00:59:40,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-16 00:59:40,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 00:59:40,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-16 00:59:40,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-16 00:59:40,357 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-04-16 00:59:40,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 00:59:40,480 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2021-04-16 00:59:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-16 00:59:40,481 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2021-04-16 00:59:40,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 00:59:40,482 INFO L225 Difference]: With dead ends: 51 [2021-04-16 00:59:40,482 INFO L226 Difference]: Without dead ends: 0 [2021-04-16 00:59:40,482 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 61.0ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-04-16 00:59:40,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-16 00:59:40,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-16 00:59:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-16 00:59:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-16 00:59:40,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-04-16 00:59:40,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 00:59:40,483 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-16 00:59:40,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-04-16 00:59:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-16 00:59:40,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-16 00:59:40,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 00:59:40,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-04-16 00:59:41,087 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2021-04-16 00:59:41,391 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 5) no Hoare annotation was computed. [2021-04-16 00:59:41,391 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 5) no Hoare annotation was computed. [2021-04-16 00:59:41,391 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 5) no Hoare annotation was computed. [2021-04-16 00:59:41,391 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~counter~0 |old(~counter~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L194 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~counter~0 0) (<= 0 ~counter~0)) [2021-04-16 00:59:41,392 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L201 CegarLoopUtils]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point L9(line 9) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point L9-2(lines 8 10) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point mainEXIT(lines 20 61) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point L52(lines 52 55) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point L52-2(lines 20 61) no Hoare annotation was computed. [2021-04-16 00:59:41,392 INFO L198 CegarLoopUtils]: For program point L44(lines 38 56) no Hoare annotation was computed. [2021-04-16 00:59:41,393 INFO L194 CegarLoopUtils]: At program point L40(line 40) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (and (= main_~n~0 main_~r~0) (= main_~h~0 0) (= main_~p~0 0) (<= (+ (* 4294967296 (div (+ (* main_~p~0 2) main_~q~0) 4294967296)) (* 4294967296 (div main_~q~0 4294967296)) main_~r~0 1) (+ main_~q~0 (* 4294967296 (div main_~r~0 4294967296)))) (= main_~q~0 1) (<= 2 ~counter~0))) [2021-04-16 00:59:41,393 INFO L194 CegarLoopUtils]: At program point L57(line 57) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (and (= main_~n~0 main_~r~0) (< (mod main_~n~0 4294967296) 1073741823) (= main_~h~0 0) (= main_~p~0 0) (<= 2 ~counter~0))) [2021-04-16 00:59:41,393 INFO L194 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (= ~counter~0 |old(~counter~0)|)) [2021-04-16 00:59:41,393 INFO L198 CegarLoopUtils]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-04-16 00:59:41,393 INFO L194 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (and (= main_~n~0 main_~r~0) (= main_~h~0 0) (= main_~p~0 0) (<= (+ (* 4294967296 (div (+ (* main_~p~0 2) main_~q~0) 4294967296)) (* 4294967296 (div main_~q~0 4294967296)) main_~r~0 1) (+ main_~q~0 (* 4294967296 (div main_~r~0 4294967296)))) (= main_~q~0 1) (<= 2 ~counter~0))) [2021-04-16 00:59:41,393 INFO L194 CegarLoopUtils]: At program point L58(line 58) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (and (< (mod main_~n~0 4294967296) 1073741823) (= main_~h~0 0) (= main_~p~0 0)) (not (<= 0 |old(~counter~0)|))) [2021-04-16 00:59:41,393 INFO L198 CegarLoopUtils]: For program point mainFINAL(lines 20 61) no Hoare annotation was computed. [2021-04-16 00:59:41,393 INFO L194 CegarLoopUtils]: At program point L42(line 42) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (and (= main_~n~0 main_~r~0) (= main_~h~0 0) (= main_~p~0 0) (<= (+ (* 4294967296 (div (+ (* main_~p~0 2) main_~q~0) 4294967296)) (* 4294967296 (div main_~q~0 4294967296)) main_~r~0 1) (+ main_~q~0 (* 4294967296 (div main_~r~0 4294967296)))) (= main_~q~0 1) (<= 2 ~counter~0))) [2021-04-16 00:59:41,393 INFO L198 CegarLoopUtils]: For program point L38(lines 38 56) no Hoare annotation was computed. [2021-04-16 00:59:41,393 INFO L194 CegarLoopUtils]: At program point L38-2(lines 38 56) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (and (= main_~n~0 main_~r~0) (< (mod main_~n~0 4294967296) 1073741823) (= main_~h~0 0) (= main_~p~0 0) (<= 2 ~counter~0))) [2021-04-16 00:59:41,393 INFO L194 CegarLoopUtils]: At program point mainENTRY(lines 20 61) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (= ~counter~0 |old(~counter~0)|)) [2021-04-16 00:59:41,393 INFO L198 CegarLoopUtils]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2021-04-16 00:59:41,394 INFO L194 CegarLoopUtils]: At program point L30-3(lines 30 35) the Hoare annotation is: (let ((.cse0 (= main_~n~0 main_~r~0)) (.cse1 (< (mod main_~n~0 4294967296) 1073741823)) (.cse2 (= main_~h~0 0)) (.cse3 (= main_~p~0 0))) (or (not (<= |old(~counter~0)| 0)) (and .cse0 .cse1 (<= 1 ~counter~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= main_~q~0 1) (<= 0 ~counter~0)) (not (<= 0 |old(~counter~0)|)))) [2021-04-16 00:59:41,394 INFO L198 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-04-16 00:59:41,394 INFO L194 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (and (= main_~n~0 main_~r~0) (= main_~h~0 0) (= main_~p~0 0) (<= (+ (* 4294967296 (div (+ (* main_~p~0 2) main_~q~0) 4294967296)) (* 4294967296 (div main_~q~0 4294967296)) main_~r~0 1) (+ main_~q~0 (* 4294967296 (div main_~r~0 4294967296)))) (= main_~q~0 1) (<= 2 ~counter~0))) [2021-04-16 00:59:41,394 INFO L194 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (and (= main_~n~0 main_~r~0) (= main_~h~0 0) (= main_~p~0 0) (<= (+ (* 4294967296 (div (+ (* main_~p~0 2) main_~q~0) 4294967296)) (* 4294967296 (div main_~q~0 4294967296)) main_~r~0 1) (+ main_~q~0 (* 4294967296 (div main_~r~0 4294967296)))) (= main_~q~0 1) (<= 2 ~counter~0))) [2021-04-16 00:59:41,394 INFO L194 CegarLoopUtils]: At program point L39-1(line 39) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|)) (and (= main_~n~0 main_~r~0) (= main_~h~0 0) (= main_~p~0 0) (<= (+ (* 4294967296 (div (+ (* main_~p~0 2) main_~q~0) 4294967296)) (* 4294967296 (div main_~q~0 4294967296)) main_~r~0 1) (+ main_~q~0 (* 4294967296 (div main_~r~0 4294967296)))) (= main_~q~0 1) (<= 2 ~counter~0))) [2021-04-16 00:59:41,394 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 11 17) the Hoare annotation is: true [2021-04-16 00:59:41,394 INFO L198 CegarLoopUtils]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-04-16 00:59:41,394 INFO L198 CegarLoopUtils]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-04-16 00:59:41,394 INFO L198 CegarLoopUtils]: For program point L12-2(lines 11 17) no Hoare annotation was computed. [2021-04-16 00:59:41,394 INFO L198 CegarLoopUtils]: For program point __VERIFIER_assertEXIT(lines 11 17) no Hoare annotation was computed. [2021-04-16 00:59:41,394 INFO L198 CegarLoopUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-04-16 00:59:41,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 12:59:41 BoogieIcfgContainer [2021-04-16 00:59:41,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 00:59:41,407 INFO L168 Benchmark]: Toolchain (without parser) took 20346.80 ms. Allocated memory is still 195.0 MB. Free memory was 159.5 MB in the beginning and 87.7 MB in the end (delta: 71.8 MB). Peak memory consumption was 94.3 MB. Max. memory is 8.0 GB. [2021-04-16 00:59:41,408 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 195.0 MB. Free memory is still 176.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 00:59:41,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.10 ms. Allocated memory is still 195.0 MB. Free memory was 159.3 MB in the beginning and 177.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-04-16 00:59:41,408 INFO L168 Benchmark]: Boogie Preprocessor took 50.70 ms. Allocated memory is still 195.0 MB. Free memory was 177.3 MB in the beginning and 175.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-04-16 00:59:41,408 INFO L168 Benchmark]: RCFGBuilder took 403.12 ms. Allocated memory is still 195.0 MB. Free memory was 175.2 MB in the beginning and 157.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-04-16 00:59:41,408 INFO L168 Benchmark]: TraceAbstraction took 19664.14 ms. Allocated memory is still 195.0 MB. Free memory was 157.4 MB in the beginning and 87.7 MB in the end (delta: 69.7 MB). Peak memory consumption was 92.2 MB. Max. memory is 8.0 GB. [2021-04-16 00:59:41,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 195.0 MB. Free memory is still 176.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 223.10 ms. Allocated memory is still 195.0 MB. Free memory was 159.3 MB in the beginning and 177.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.70 ms. Allocated memory is still 195.0 MB. Free memory was 177.3 MB in the beginning and 175.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 403.12 ms. Allocated memory is still 195.0 MB. Free memory was 175.2 MB in the beginning and 157.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19664.14 ms. Allocated memory is still 195.0 MB. Free memory was 157.4 MB in the beginning and 87.7 MB in the end (delta: 69.7 MB). Peak memory consumption was 92.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18924.9ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 15.5ms, AutomataDifference: 15357.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 687.7ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 347 SDtfs, 127 SDslu, 817 SDs, 0 SdLazy, 342 SolverSat, 90 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 14073.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 654.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=6, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 93.6ms AutomataMinimizationTime, 8 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 17 LocationsWithAnnotation, 81 PreInvPairs, 93 NumberOfFragments, 491 HoareAnnotationTreeSize, 81 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 116.8ms HoareSimplificationTime, 17 FomulaSimplificationsInter, 419 FormulaSimplificationTreeSizeReductionInter, 559.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 94.6ms SsaConstructionTime, 395.7ms SatisfiabilityAnalysisTime, 1350.8ms InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 800 SizeOfPredicates, 12 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 9/13 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(\old(counter) <= 0) || ((((n == r && n % 4294967296 < 1073741823) && 1 <= counter) && h == 0) && p == 0)) || (((((n == r && n % 4294967296 < 1073741823) && h == 0) && p == 0) && q == 1) && 0 <= counter)) || !(0 <= \old(counter)) RESULT: Ultimate proved your program to be correct! Received shutdown request...