/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/eca-rers2012/Problem10_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:37:50,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:37:50,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:37:50,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:37:50,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:37:50,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:37:50,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:37:50,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:37:50,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:37:50,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:37:50,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:37:50,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-10-23 18:37:50,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:37:50,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:37:50,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:37:50,385 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 [2020-10-23 18:37:50,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:37:50,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:37:50,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:37:50,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:37:50,461 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:37:50,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:37:50,461 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:37:50,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:37:50,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:37:50,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:37:50,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:37:50,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:37:50,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:37:50,465 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:37:50,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:37:50,465 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:37:50,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:37:50,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:37:50,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:37:50,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:37:50,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:37:50,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:37:50,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:37:50,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:37:50,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:37:50,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:37:50,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:37:50,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:37:50,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:37:50,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:37:50,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:37:51,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:37:51,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:37:51,043 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:37:51,044 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:37:51,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-10-23 18:37:51,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be40a214/470e66d740054dde8a30ac23a2f3cc87/FLAGec129bb58 [2020-10-23 18:37:52,072 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:37:52,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-10-23 18:37:52,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be40a214/470e66d740054dde8a30ac23a2f3cc87/FLAGec129bb58 [2020-10-23 18:37:52,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be40a214/470e66d740054dde8a30ac23a2f3cc87 [2020-10-23 18:37:52,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:37:52,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:37:52,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:52,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:37:52,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:37:52,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762ed2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52, skipping insertion in model container [2020-10-23 18:37:52,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:37:52,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:37:52,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:53,004 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:37:53,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:53,165 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:37:53,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53 WrapperNode [2020-10-23 18:37:53,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:53,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:37:53,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:37:53,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:37:53,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (1/1) ... [2020-10-23 18:37:53,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (1/1) ... [2020-10-23 18:37:53,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (1/1) ... [2020-10-23 18:37:53,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (1/1) ... [2020-10-23 18:37:53,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (1/1) ... [2020-10-23 18:37:53,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (1/1) ... [2020-10-23 18:37:53,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (1/1) ... [2020-10-23 18:37:53,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:37:53,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:37:53,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:37:53,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:37:53,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (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 [2020-10-23 18:37:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:37:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:37:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:37:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:37:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:37:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:37:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:37:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:37:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:37:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:37:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:37:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:37:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:37:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:37:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:37:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:37:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:37:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:37:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:37:54,924 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:37:54,924 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:37:54,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:54 BoogieIcfgContainer [2020-10-23 18:37:54,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:37:54,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:37:54,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:37:54,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:37:54,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:37:52" (1/3) ... [2020-10-23 18:37:54,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31627da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:54, skipping insertion in model container [2020-10-23 18:37:54,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:53" (2/3) ... [2020-10-23 18:37:54,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31627da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:54, skipping insertion in model container [2020-10-23 18:37:54,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:54" (3/3) ... [2020-10-23 18:37:54,938 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label53.c [2020-10-23 18:37:54,952 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:37:54,958 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:37:54,973 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:37:55,008 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:37:55,008 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:37:55,008 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:37:55,008 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:37:55,009 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:37:55,009 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:37:55,009 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:37:55,009 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:37:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-23 18:37:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-23 18:37:55,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:55,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:55,052 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:55,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:55,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1725265442, now seen corresponding path program 1 times [2020-10-23 18:37:55,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:55,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165503056] [2020-10-23 18:37:55,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:55,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:55,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165503056] [2020-10-23 18:37:55,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:55,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:37:55,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828279848] [2020-10-23 18:37:55,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:37:55,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:55,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:37:55,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:37:55,642 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-23 18:37:57,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:57,832 INFO L93 Difference]: Finished difference Result 601 states and 1027 transitions. [2020-10-23 18:37:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:37:57,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-10-23 18:37:57,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:57,852 INFO L225 Difference]: With dead ends: 601 [2020-10-23 18:37:57,853 INFO L226 Difference]: Without dead ends: 303 [2020-10-23 18:37:57,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:37:57,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-23 18:37:57,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-23 18:37:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-23 18:37:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 431 transitions. [2020-10-23 18:37:57,954 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 431 transitions. Word has length 49 [2020-10-23 18:37:57,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:57,954 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 431 transitions. [2020-10-23 18:37:57,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:37:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2020-10-23 18:37:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-23 18:37:57,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:57,962 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:57,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:37:57,963 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:57,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:57,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1093802631, now seen corresponding path program 1 times [2020-10-23 18:37:57,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:57,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920216477] [2020-10-23 18:37:57,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:58,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:58,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:58,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920216477] [2020-10-23 18:37:58,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:58,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:37:58,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524345078] [2020-10-23 18:37:58,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:37:58,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:58,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:37:58,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:37:58,360 INFO L87 Difference]: Start difference. First operand 299 states and 431 transitions. Second operand 7 states. [2020-10-23 18:38:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:00,394 INFO L93 Difference]: Finished difference Result 910 states and 1353 transitions. [2020-10-23 18:38:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 18:38:00,395 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-10-23 18:38:00,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:00,402 INFO L225 Difference]: With dead ends: 910 [2020-10-23 18:38:00,402 INFO L226 Difference]: Without dead ends: 617 [2020-10-23 18:38:00,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:38:00,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-23 18:38:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 597. [2020-10-23 18:38:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-23 18:38:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 783 transitions. [2020-10-23 18:38:00,467 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 783 transitions. Word has length 123 [2020-10-23 18:38:00,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:00,468 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 783 transitions. [2020-10-23 18:38:00,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:38:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 783 transitions. [2020-10-23 18:38:00,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-23 18:38:00,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:00,473 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:00,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:38:00,474 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:00,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:00,475 INFO L82 PathProgramCache]: Analyzing trace with hash -545607331, now seen corresponding path program 1 times [2020-10-23 18:38:00,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:00,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687805778] [2020-10-23 18:38:00,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:00,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:00,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:00,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687805778] [2020-10-23 18:38:00,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970648700] [2020-10-23 18:38:00,905 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 [2020-10-23 18:38:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:01,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:01,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:01,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:01,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:38:01,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649870579] [2020-10-23 18:38:01,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:01,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:01,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:01,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:38:01,265 INFO L87 Difference]: Start difference. First operand 597 states and 783 transitions. Second operand 3 states. [2020-10-23 18:38:02,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:02,297 INFO L93 Difference]: Finished difference Result 1482 states and 2022 transitions. [2020-10-23 18:38:02,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:02,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-23 18:38:02,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:02,313 INFO L225 Difference]: With dead ends: 1482 [2020-10-23 18:38:02,314 INFO L226 Difference]: Without dead ends: 891 [2020-10-23 18:38:02,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:38:02,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-10-23 18:38:02,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 891. [2020-10-23 18:38:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2020-10-23 18:38:02,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1178 transitions. [2020-10-23 18:38:02,403 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1178 transitions. Word has length 128 [2020-10-23 18:38:02,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:02,403 INFO L481 AbstractCegarLoop]: Abstraction has 891 states and 1178 transitions. [2020-10-23 18:38:02,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1178 transitions. [2020-10-23 18:38:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-23 18:38:02,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:02,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:02,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:38:02,629 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:02,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:02,630 INFO L82 PathProgramCache]: Analyzing trace with hash -2123403395, now seen corresponding path program 1 times [2020-10-23 18:38:02,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:02,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110917222] [2020-10-23 18:38:02,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:02,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:02,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:03,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110917222] [2020-10-23 18:38:03,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:03,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:38:03,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18516494] [2020-10-23 18:38:03,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:38:03,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:03,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:38:03,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:38:03,035 INFO L87 Difference]: Start difference. First operand 891 states and 1178 transitions. Second operand 8 states. [2020-10-23 18:38:05,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:05,277 INFO L93 Difference]: Finished difference Result 2406 states and 3307 transitions. [2020-10-23 18:38:05,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:38:05,278 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2020-10-23 18:38:05,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:05,294 INFO L225 Difference]: With dead ends: 2406 [2020-10-23 18:38:05,295 INFO L226 Difference]: Without dead ends: 1521 [2020-10-23 18:38:05,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:38:05,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2020-10-23 18:38:05,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1342. [2020-10-23 18:38:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2020-10-23 18:38:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1674 transitions. [2020-10-23 18:38:05,386 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1674 transitions. Word has length 144 [2020-10-23 18:38:05,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:05,386 INFO L481 AbstractCegarLoop]: Abstraction has 1342 states and 1674 transitions. [2020-10-23 18:38:05,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:38:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1674 transitions. [2020-10-23 18:38:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-23 18:38:05,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:05,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:05,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:38:05,390 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:05,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:05,391 INFO L82 PathProgramCache]: Analyzing trace with hash 500242675, now seen corresponding path program 1 times [2020-10-23 18:38:05,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:05,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20287327] [2020-10-23 18:38:05,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:05,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:05,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20287327] [2020-10-23 18:38:05,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:05,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:38:05,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717535599] [2020-10-23 18:38:05,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:38:05,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:05,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:38:05,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:38:05,957 INFO L87 Difference]: Start difference. First operand 1342 states and 1674 transitions. Second operand 8 states. [2020-10-23 18:38:06,455 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-10-23 18:38:07,616 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-10-23 18:38:08,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:08,641 INFO L93 Difference]: Finished difference Result 2915 states and 3620 transitions. [2020-10-23 18:38:08,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:38:08,642 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2020-10-23 18:38:08,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:08,654 INFO L225 Difference]: With dead ends: 2915 [2020-10-23 18:38:08,655 INFO L226 Difference]: Without dead ends: 1579 [2020-10-23 18:38:08,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:38:08,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2020-10-23 18:38:08,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1497. [2020-10-23 18:38:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2020-10-23 18:38:08,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1832 transitions. [2020-10-23 18:38:08,725 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1832 transitions. Word has length 145 [2020-10-23 18:38:08,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:08,725 INFO L481 AbstractCegarLoop]: Abstraction has 1497 states and 1832 transitions. [2020-10-23 18:38:08,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:38:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1832 transitions. [2020-10-23 18:38:08,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-23 18:38:08,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:08,730 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:08,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 18:38:08,731 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:08,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:08,732 INFO L82 PathProgramCache]: Analyzing trace with hash -589005872, now seen corresponding path program 1 times [2020-10-23 18:38:08,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:08,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95930420] [2020-10-23 18:38:08,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:08,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:08,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:08,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:38:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-23 18:38:09,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95930420] [2020-10-23 18:38:09,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525494367] [2020-10-23 18:38:09,046 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 [2020-10-23 18:38:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:09,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:09,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-23 18:38:09,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:09,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-10-23 18:38:09,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056894886] [2020-10-23 18:38:09,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:09,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:09,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:09,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:09,346 INFO L87 Difference]: Start difference. First operand 1497 states and 1832 transitions. Second operand 3 states. [2020-10-23 18:38:10,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:10,072 INFO L93 Difference]: Finished difference Result 2229 states and 2762 transitions. [2020-10-23 18:38:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:10,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-10-23 18:38:10,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:10,091 INFO L225 Difference]: With dead ends: 2229 [2020-10-23 18:38:10,091 INFO L226 Difference]: Without dead ends: 2226 [2020-10-23 18:38:10,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:10,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2020-10-23 18:38:10,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 1650. [2020-10-23 18:38:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1650 states. [2020-10-23 18:38:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2057 transitions. [2020-10-23 18:38:10,172 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2057 transitions. Word has length 215 [2020-10-23 18:38:10,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:10,173 INFO L481 AbstractCegarLoop]: Abstraction has 1650 states and 2057 transitions. [2020-10-23 18:38:10,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2057 transitions. [2020-10-23 18:38:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-23 18:38:10,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:10,179 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:10,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:10,393 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:10,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:10,395 INFO L82 PathProgramCache]: Analyzing trace with hash -217867436, now seen corresponding path program 1 times [2020-10-23 18:38:10,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:10,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365097591] [2020-10-23 18:38:10,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:10,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:10,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:38:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:10,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365097591] [2020-10-23 18:38:10,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2377213] [2020-10-23 18:38:10,737 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 [2020-10-23 18:38:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:10,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:10,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:11,056 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:11,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:11,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:38:11,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741186041] [2020-10-23 18:38:11,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:38:11,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:11,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:38:11,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:38:11,060 INFO L87 Difference]: Start difference. First operand 1650 states and 2057 transitions. Second operand 10 states. [2020-10-23 18:38:14,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:14,381 INFO L93 Difference]: Finished difference Result 3765 states and 4820 transitions. [2020-10-23 18:38:14,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-23 18:38:14,382 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-23 18:38:14,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:14,395 INFO L225 Difference]: With dead ends: 3765 [2020-10-23 18:38:14,395 INFO L226 Difference]: Without dead ends: 2121 [2020-10-23 18:38:14,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2020-10-23 18:38:14,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2020-10-23 18:38:14,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 1805. [2020-10-23 18:38:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1805 states. [2020-10-23 18:38:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2230 transitions. [2020-10-23 18:38:14,472 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2230 transitions. Word has length 217 [2020-10-23 18:38:14,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:14,473 INFO L481 AbstractCegarLoop]: Abstraction has 1805 states and 2230 transitions. [2020-10-23 18:38:14,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:38:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2230 transitions. [2020-10-23 18:38:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-23 18:38:14,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:14,480 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:14,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:14,694 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:14,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:14,695 INFO L82 PathProgramCache]: Analyzing trace with hash 664473278, now seen corresponding path program 1 times [2020-10-23 18:38:14,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:14,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218592836] [2020-10-23 18:38:14,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:14,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:14,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:14,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-23 18:38:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:15,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218592836] [2020-10-23 18:38:15,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671355603] [2020-10-23 18:38:15,373 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 [2020-10-23 18:38:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:15,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:15,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:15,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:15,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-10-23 18:38:15,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513234842] [2020-10-23 18:38:15,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 18:38:15,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:15,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 18:38:15,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:38:15,764 INFO L87 Difference]: Start difference. First operand 1805 states and 2230 transitions. Second operand 11 states. [2020-10-23 18:38:19,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:19,626 INFO L93 Difference]: Finished difference Result 4909 states and 6053 transitions. [2020-10-23 18:38:19,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 18:38:19,627 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 269 [2020-10-23 18:38:19,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:19,640 INFO L225 Difference]: With dead ends: 4909 [2020-10-23 18:38:19,640 INFO L226 Difference]: Without dead ends: 2228 [2020-10-23 18:38:19,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-10-23 18:38:19,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-10-23 18:38:19,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1785. [2020-10-23 18:38:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1785 states. [2020-10-23 18:38:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2077 transitions. [2020-10-23 18:38:19,709 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2077 transitions. Word has length 269 [2020-10-23 18:38:19,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:19,709 INFO L481 AbstractCegarLoop]: Abstraction has 1785 states and 2077 transitions. [2020-10-23 18:38:19,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 18:38:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2077 transitions. [2020-10-23 18:38:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-23 18:38:19,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:19,717 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:19,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:19,932 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:19,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:19,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1729398774, now seen corresponding path program 1 times [2020-10-23 18:38:19,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:19,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567309983] [2020-10-23 18:38:19,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:20,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:20,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:20,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-23 18:38:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-23 18:38:20,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567309983] [2020-10-23 18:38:20,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759712691] [2020-10-23 18:38:20,298 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 [2020-10-23 18:38:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:20,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:20,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-23 18:38:20,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:20,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-10-23 18:38:20,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659337243] [2020-10-23 18:38:20,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:20,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:20,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:20,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:20,629 INFO L87 Difference]: Start difference. First operand 1785 states and 2077 transitions. Second operand 3 states. [2020-10-23 18:38:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:21,305 INFO L93 Difference]: Finished difference Result 3854 states and 4560 transitions. [2020-10-23 18:38:21,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:21,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-10-23 18:38:21,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:21,321 INFO L225 Difference]: With dead ends: 3854 [2020-10-23 18:38:21,321 INFO L226 Difference]: Without dead ends: 2069 [2020-10-23 18:38:21,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:21,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2020-10-23 18:38:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2069. [2020-10-23 18:38:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-10-23 18:38:21,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2396 transitions. [2020-10-23 18:38:21,396 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2396 transitions. Word has length 305 [2020-10-23 18:38:21,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:21,397 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2396 transitions. [2020-10-23 18:38:21,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2396 transitions. [2020-10-23 18:38:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-23 18:38:21,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:21,408 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:21,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:21,622 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:21,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:21,623 INFO L82 PathProgramCache]: Analyzing trace with hash -970146599, now seen corresponding path program 1 times [2020-10-23 18:38:21,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:21,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190308388] [2020-10-23 18:38:21,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:21,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:21,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:21,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-23 18:38:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:21,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-23 18:38:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-23 18:38:22,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190308388] [2020-10-23 18:38:22,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037620975] [2020-10-23 18:38:22,045 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 [2020-10-23 18:38:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:22,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:22,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-23 18:38:22,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:22,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-10-23 18:38:22,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380064036] [2020-10-23 18:38:22,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:22,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:22,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:22,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:22,368 INFO L87 Difference]: Start difference. First operand 2069 states and 2396 transitions. Second operand 3 states. [2020-10-23 18:38:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:22,965 INFO L93 Difference]: Finished difference Result 2069 states and 2396 transitions. [2020-10-23 18:38:22,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:22,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2020-10-23 18:38:22,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:22,974 INFO L225 Difference]: With dead ends: 2069 [2020-10-23 18:38:22,974 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:38:22,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 369 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:22,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:38:22,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:38:22,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:38:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:38:22,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 360 [2020-10-23 18:38:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:22,979 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:38:22,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:38:22,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:38:23,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:23,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:38:23,378 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 130 [2020-10-23 18:38:23,941 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 130 [2020-10-23 18:38:24,333 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2020-10-23 18:38:25,299 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 52 [2020-10-23 18:38:25,572 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-10-23 18:38:25,910 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2020-10-23 18:38:25,916 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:38:25,916 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:38:25,916 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:38:25,917 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:38:25,917 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:25,917 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-23 18:38:25,917 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:38:25,918 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:38:25,919 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-23 18:38:25,919 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-23 18:38:25,919 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-23 18:38:25,919 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-23 18:38:25,919 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,919 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,919 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,919 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,920 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,920 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,920 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-23 18:38:25,920 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-23 18:38:25,920 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:38:25,920 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:38:25,920 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:38:25,921 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:38:25,921 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:38:25,921 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:38:25,921 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-23 18:38:25,921 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-23 18:38:25,921 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-23 18:38:25,921 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,921 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,922 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,922 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,922 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,922 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-23 18:38:25,922 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-23 18:38:25,922 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-23 18:38:25,922 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-23 18:38:25,923 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:38:25,923 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:38:25,923 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-23 18:38:25,923 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:38:25,923 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:38:25,923 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-23 18:38:25,923 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-23 18:38:25,923 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-23 18:38:25,924 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-23 18:38:25,924 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-23 18:38:25,924 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,924 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,924 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,924 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,924 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,924 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-23 18:38:25,925 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 18:38:25,925 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:38:25,925 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:38:25,925 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:38:25,925 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:38:25,925 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-23 18:38:25,925 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-23 18:38:25,925 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-23 18:38:25,926 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-23 18:38:25,926 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,926 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,926 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,926 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,926 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,926 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-23 18:38:25,926 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-23 18:38:25,927 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-23 18:38:25,928 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-23 18:38:25,928 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-23 18:38:25,928 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,928 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,928 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,928 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,928 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,929 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:38:25,929 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:38:25,929 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:38:25,929 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:38:25,929 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:38:25,929 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,929 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,929 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-23 18:38:25,930 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-23 18:38:25,930 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-23 18:38:25,930 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-23 18:38:25,930 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,930 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,930 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,930 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,931 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,931 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-23 18:38:25,931 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-23 18:38:25,931 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-23 18:38:25,931 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-23 18:38:25,931 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:38:25,931 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:38:25,931 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,932 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:38:25,933 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-23 18:38:25,934 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,935 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,935 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,935 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,935 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,935 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,935 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-23 18:38:25,936 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse5 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (<= |old(~a19~0)| 9))) (.cse0 (and .cse4 (= ~a19~0 |old(~a19~0)|) .cse5)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 |old(~a10~0)|)) .cse3) (or (not (<= 4 |old(~a10~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= |old(~a1~0)| 23)) .cse2 .cse1 .cse3) (or .cse0 .cse2 (not (<= |old(~a19~0)| 6)) .cse3) (or (and (<= 9 ~a19~0) (<= ~a19~0 9) .cse4 .cse5) (not (= 9 |old(~a19~0)|)) .cse2 .cse3) (or .cse0 .cse2 (not (<= |old(~a10~0)| 1)) .cse3)))) [2020-10-23 18:38:25,936 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-23 18:38:25,936 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-23 18:38:25,936 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:38:25,936 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:38:25,936 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-23 18:38:25,936 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:38:25,937 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:38:25,937 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:38:25,937 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-23 18:38:25,937 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-23 18:38:25,937 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-23 18:38:25,937 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-23 18:38:25,937 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-23 18:38:25,937 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,938 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,938 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,938 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,938 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,938 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,938 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-23 18:38:25,938 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:38:25,938 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:38:25,939 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-23 18:38:25,939 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:38:25,939 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:38:25,939 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:38:25,939 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-23 18:38:25,939 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-23 18:38:25,939 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-23 18:38:25,940 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-23 18:38:25,940 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-23 18:38:25,940 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-23 18:38:25,940 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,940 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,940 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,940 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,941 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,941 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,941 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-23 18:38:25,941 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-23 18:38:25,941 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-23 18:38:25,941 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:38:25,941 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:38:25,942 INFO L270 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or (not (<= 4 |old(~a10~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 |old(~a10~0)|)) .cse2) (or .cse1 (not (<= |old(~a19~0)| 6)) .cse2) (or (not (= 9 |old(~a19~0)|)) .cse1 .cse2) (or (not (<= |old(~a1~0)| 23)) .cse1 .cse0 .cse2) (or .cse1 (not (<= |old(~a10~0)| 1)) .cse2))) [2020-10-23 18:38:25,942 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:38:25,942 INFO L274 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-10-23 18:38:25,942 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:38:25,942 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:38:25,943 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-23 18:38:25,943 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-23 18:38:25,943 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-23 18:38:25,943 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,943 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,943 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,943 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,943 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,944 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:25,944 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:25,944 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-10-23 18:38:25,944 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:38:25,944 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:25,944 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-10-23 18:38:25,945 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:38:25,945 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and .cse0 (<= ~a1~0 23)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 2) .cse0) (<= ~a10~0 1) (and (<= 9 ~a19~0) .cse0) (and (<= 4 ~a10~0) .cse0) (<= ~a19~0 6) (not (= ~a12~0 0)))) [2020-10-23 18:38:25,945 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-23 18:38:25,945 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-23 18:38:25,945 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and .cse0 (<= ~a1~0 23)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 2) .cse0) (<= ~a10~0 1) (and (<= 9 ~a19~0) .cse0) (and (<= 4 ~a10~0) .cse0) (<= ~a19~0 6) (not (= ~a12~0 0)))) [2020-10-23 18:38:25,946 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:38:25,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:38:25 BoogieIcfgContainer [2020-10-23 18:38:25,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:38:25,971 INFO L168 Benchmark]: Toolchain (without parser) took 33704.10 ms. Allocated memory was 151.0 MB in the beginning and 645.9 MB in the end (delta: 494.9 MB). Free memory was 124.0 MB in the beginning and 605.8 MB in the end (delta: -481.8 MB). Peak memory consumption was 323.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:25,971 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:38:25,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 885.16 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 127.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:25,973 INFO L168 Benchmark]: Boogie Preprocessor took 194.11 ms. Allocated memory is still 151.0 MB. Free memory was 127.7 MB in the beginning and 123.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:25,973 INFO L168 Benchmark]: RCFGBuilder took 1565.19 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 103.8 MB in the end (delta: 19.2 MB). Peak memory consumption was 79.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:25,974 INFO L168 Benchmark]: TraceAbstraction took 31039.64 ms. Allocated memory was 151.0 MB in the beginning and 645.9 MB in the end (delta: 494.9 MB). Free memory was 103.2 MB in the beginning and 605.8 MB in the end (delta: -502.6 MB). Peak memory consumption was 301.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:25,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 885.16 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 127.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 194.11 ms. Allocated memory is still 151.0 MB. Free memory was 127.7 MB in the beginning and 123.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1565.19 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 103.8 MB in the end (delta: 19.2 MB). Peak memory consumption was 79.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 31039.64 ms. Allocated memory was 151.0 MB in the beginning and 645.9 MB in the end (delta: 494.9 MB). Free memory was 103.2 MB in the beginning and 605.8 MB in the end (delta: -502.6 MB). Peak memory consumption was 301.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((((a19 <= 9 && a1 <= 23) || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (a10 == 2 && a19 <= 9)) || a10 <= 1) || (9 <= a19 && a19 <= 9)) || (4 <= a10 && a19 <= 9)) || a19 <= 6) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 691 SDtfs, 3967 SDslu, 336 SDs, 0 SdLazy, 8540 SolverSat, 1498 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1651 GetRequests, 1548 SyntacticMatches, 2 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2069occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1620 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 170 PreInvPairs, 212 NumberOfFragments, 483 HoareAnnotationTreeSize, 170 FomulaSimplifications, 58405 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8434 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 3449 NumberOfCodeBlocks, 3449 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3433 ConstructedInterpolants, 0 QuantifiedInterpolants, 1782406 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2946 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 2297/2313 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...