/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:25:20,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:25:20,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:25:20,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:25:20,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:25:20,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:25:20,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:25:20,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:25:20,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:25:20,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:25:20,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:25:20,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:25:20,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:25:20,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:25:20,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:25:20,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:25:20,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:25:20,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:25:20,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:25:20,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:25:20,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:25:20,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:25:20,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:25:20,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:25:20,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 11:25:20,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 11:25:20,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 11:25:20,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 11:25:20,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 11:25:20,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 11:25:20,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 11:25:20,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 11:25:20,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 11:25:20,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 11:25:20,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 11:25:20,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 11:25:20,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 11:25:20,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 11:25:20,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:25:20,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:25:20,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:25:20,622 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 [2020-07-07 11:25:20,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:25:20,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:25:20,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:25:20,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:25:20,645 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:25:20,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:25:20,645 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:25:20,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:25:20,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:25:20,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:25:20,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:25:20,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:25:20,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:25:20,648 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:25:20,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:25:20,648 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:25:20,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:25:20,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:25:20,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:25:20,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:25:20,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:25:20,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:25:20,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:25:20,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:25:20,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:25:20,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:25:20,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:25:20,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:25:20,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:25:20,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:25:20,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:25:20,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:25:20,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:25:20,943 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:25:20,943 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:25:20,944 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-07-07 11:25:21,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8996d3b10/94f454363392446a80e048dee630c086/FLAGe2c666784 [2020-07-07 11:25:21,530 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:25:21,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-07-07 11:25:21,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8996d3b10/94f454363392446a80e048dee630c086/FLAGe2c666784 [2020-07-07 11:25:21,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8996d3b10/94f454363392446a80e048dee630c086 [2020-07-07 11:25:21,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:25:21,807 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:25:21,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:25:21,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:25:21,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:25:21,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:25:21" (1/1) ... [2020-07-07 11:25:21,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b2c4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:21, skipping insertion in model container [2020-07-07 11:25:21,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:25:21" (1/1) ... [2020-07-07 11:25:21,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:25:21,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:25:22,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:25:22,259 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:25:22,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:25:22,496 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:25:22,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22 WrapperNode [2020-07-07 11:25:22,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:25:22,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:25:22,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:25:22,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:25:22,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (1/1) ... [2020-07-07 11:25:22,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (1/1) ... [2020-07-07 11:25:22,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (1/1) ... [2020-07-07 11:25:22,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (1/1) ... [2020-07-07 11:25:22,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (1/1) ... [2020-07-07 11:25:22,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (1/1) ... [2020-07-07 11:25:22,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (1/1) ... [2020-07-07 11:25:22,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:25:22,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:25:22,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:25:22,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:25:22,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (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 [2020-07-07 11:25:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:25:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:25:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:25:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:25:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:25:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:25:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:25:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:25:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:25:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:25:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:25:23,807 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:25:23,807 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:25:23,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:25:23 BoogieIcfgContainer [2020-07-07 11:25:23,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:25:23,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:25:23,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:25:23,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:25:23,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:25:21" (1/3) ... [2020-07-07 11:25:23,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0f5617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:25:23, skipping insertion in model container [2020-07-07 11:25:23,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:22" (2/3) ... [2020-07-07 11:25:23,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0f5617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:25:23, skipping insertion in model container [2020-07-07 11:25:23,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:25:23" (3/3) ... [2020-07-07 11:25:23,821 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2020-07-07 11:25:23,831 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:25:23,838 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:25:23,852 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:25:23,877 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:25:23,877 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:25:23,877 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:25:23,877 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:25:23,878 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:25:23,878 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:25:23,878 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:25:23,878 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:25:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-07 11:25:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-07 11:25:23,916 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:23,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:23,918 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:23,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:23,923 INFO L82 PathProgramCache]: Analyzing trace with hash 2085668238, now seen corresponding path program 1 times [2020-07-07 11:25:23,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:23,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801769673] [2020-07-07 11:25:23,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:24,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801769673] [2020-07-07 11:25:24,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:25:24,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:25:24,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797796022] [2020-07-07 11:25:24,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:25:24,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:24,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:25:24,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:25:24,544 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-07 11:25:26,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:26,062 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-07 11:25:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:25:26,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-07-07 11:25:26,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:26,090 INFO L225 Difference]: With dead ends: 627 [2020-07-07 11:25:26,091 INFO L226 Difference]: Without dead ends: 327 [2020-07-07 11:25:26,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:25:26,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-07 11:25:26,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-07 11:25:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-07 11:25:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-07 11:25:26,187 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 142 [2020-07-07 11:25:26,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:26,188 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-07 11:25:26,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:25:26,188 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-07 11:25:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-07 11:25:26,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:26,195 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:26,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:25:26,195 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:26,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:26,196 INFO L82 PathProgramCache]: Analyzing trace with hash -2119639181, now seen corresponding path program 1 times [2020-07-07 11:25:26,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:26,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698356761] [2020-07-07 11:25:26,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:26,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698356761] [2020-07-07 11:25:26,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:25:26,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:25:26,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098806656] [2020-07-07 11:25:26,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:25:26,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:26,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:25:26,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:25:26,436 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 9 states. [2020-07-07 11:25:27,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:27,311 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-07-07 11:25:27,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 11:25:27,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-07-07 11:25:27,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:27,316 INFO L225 Difference]: With dead ends: 635 [2020-07-07 11:25:27,318 INFO L226 Difference]: Without dead ends: 322 [2020-07-07 11:25:27,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:25:27,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-07 11:25:27,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-07-07 11:25:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-07-07 11:25:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-07-07 11:25:27,384 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 157 [2020-07-07 11:25:27,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:27,385 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-07-07 11:25:27,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:25:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-07-07 11:25:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-07 11:25:27,389 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:27,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:27,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:25:27,390 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:27,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:27,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1005880998, now seen corresponding path program 1 times [2020-07-07 11:25:27,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:27,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422062336] [2020-07-07 11:25:27,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:27,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422062336] [2020-07-07 11:25:27,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:25:27,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:25:27,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580979918] [2020-07-07 11:25:27,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:25:27,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:27,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:25:27,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:25:27,598 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 9 states. [2020-07-07 11:25:29,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:29,601 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-07-07 11:25:29,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 11:25:29,604 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 164 [2020-07-07 11:25:29,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:29,610 INFO L225 Difference]: With dead ends: 1090 [2020-07-07 11:25:29,610 INFO L226 Difference]: Without dead ends: 786 [2020-07-07 11:25:29,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:25:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-07-07 11:25:29,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 614. [2020-07-07 11:25:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-07-07 11:25:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2020-07-07 11:25:29,652 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 164 [2020-07-07 11:25:29,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:29,652 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2020-07-07 11:25:29,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:25:29,653 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2020-07-07 11:25:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-07 11:25:29,657 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:29,657 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:29,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 11:25:29,658 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:29,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:29,658 INFO L82 PathProgramCache]: Analyzing trace with hash -393389681, now seen corresponding path program 1 times [2020-07-07 11:25:29,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:29,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611530524] [2020-07-07 11:25:29,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 11:25:29,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611530524] [2020-07-07 11:25:29,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799140728] [2020-07-07 11:25:29,873 INFO L94 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 [2020-07-07 11:25:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,986 INFO L264 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:25:29,998 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 11:25:30,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:25:30,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-07 11:25:30,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249856120] [2020-07-07 11:25:30,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:25:30,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:30,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:25:30,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:25:30,097 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand 3 states. [2020-07-07 11:25:30,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:30,647 INFO L93 Difference]: Finished difference Result 1673 states and 2199 transitions. [2020-07-07 11:25:30,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:25:30,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-07-07 11:25:30,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:30,654 INFO L225 Difference]: With dead ends: 1673 [2020-07-07 11:25:30,654 INFO L226 Difference]: Without dead ends: 1065 [2020-07-07 11:25:30,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:25:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-07-07 11:25:30,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 918. [2020-07-07 11:25:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-07-07 11:25:30,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1154 transitions. [2020-07-07 11:25:30,692 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1154 transitions. Word has length 177 [2020-07-07 11:25:30,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:30,694 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1154 transitions. [2020-07-07 11:25:30,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:25:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1154 transitions. [2020-07-07 11:25:30,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-07 11:25:30,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:30,698 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:30,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:30,912 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:30,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:30,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1336045319, now seen corresponding path program 1 times [2020-07-07 11:25:30,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:30,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688513637] [2020-07-07 11:25:30,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:25:31,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688513637] [2020-07-07 11:25:31,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424415258] [2020-07-07 11:25:31,108 INFO L94 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 [2020-07-07 11:25:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:31,197 INFO L264 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:25:31,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:31,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:31,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-07 11:25:31,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437554419] [2020-07-07 11:25:31,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:25:31,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:31,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:25:31,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:25:31,300 INFO L87 Difference]: Start difference. First operand 918 states and 1154 transitions. Second operand 11 states. [2020-07-07 11:25:34,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:34,380 INFO L93 Difference]: Finished difference Result 3327 states and 4448 transitions. [2020-07-07 11:25:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-07 11:25:34,380 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 181 [2020-07-07 11:25:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:34,397 INFO L225 Difference]: With dead ends: 3327 [2020-07-07 11:25:34,397 INFO L226 Difference]: Without dead ends: 2415 [2020-07-07 11:25:34,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-07-07 11:25:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2020-07-07 11:25:34,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2250. [2020-07-07 11:25:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2250 states. [2020-07-07 11:25:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 2250 states and 2734 transitions. [2020-07-07 11:25:34,513 INFO L78 Accepts]: Start accepts. Automaton has 2250 states and 2734 transitions. Word has length 181 [2020-07-07 11:25:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:34,514 INFO L479 AbstractCegarLoop]: Abstraction has 2250 states and 2734 transitions. [2020-07-07 11:25:34,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:25:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2734 transitions. [2020-07-07 11:25:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-07 11:25:34,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:34,524 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:34,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:34,739 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:34,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:34,740 INFO L82 PathProgramCache]: Analyzing trace with hash 955298983, now seen corresponding path program 1 times [2020-07-07 11:25:34,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:34,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257338059] [2020-07-07 11:25:34,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 67 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-07 11:25:34,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257338059] [2020-07-07 11:25:34,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568798259] [2020-07-07 11:25:34,931 INFO L94 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 [2020-07-07 11:25:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:35,039 INFO L264 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 11:25:35,057 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-07-07 11:25:35,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:25:35,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2020-07-07 11:25:35,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847045427] [2020-07-07 11:25:35,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:25:35,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:35,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:25:35,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:25:35,138 INFO L87 Difference]: Start difference. First operand 2250 states and 2734 transitions. Second operand 5 states. [2020-07-07 11:25:36,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:36,093 INFO L93 Difference]: Finished difference Result 6151 states and 7634 transitions. [2020-07-07 11:25:36,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 11:25:36,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-07-07 11:25:36,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:36,121 INFO L225 Difference]: With dead ends: 6151 [2020-07-07 11:25:36,122 INFO L226 Difference]: Without dead ends: 3911 [2020-07-07 11:25:36,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:25:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2020-07-07 11:25:36,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3743. [2020-07-07 11:25:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3743 states. [2020-07-07 11:25:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 4593 transitions. [2020-07-07 11:25:36,310 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 4593 transitions. Word has length 209 [2020-07-07 11:25:36,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:36,311 INFO L479 AbstractCegarLoop]: Abstraction has 3743 states and 4593 transitions. [2020-07-07 11:25:36,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:25:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 4593 transitions. [2020-07-07 11:25:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-07 11:25:36,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:36,332 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:36,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:36,545 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:36,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:36,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1834298593, now seen corresponding path program 1 times [2020-07-07 11:25:36,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:36,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28270661] [2020-07-07 11:25:36,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-07 11:25:36,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28270661] [2020-07-07 11:25:36,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931074088] [2020-07-07 11:25:36,755 INFO L94 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 [2020-07-07 11:25:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:36,905 INFO L264 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:25:36,911 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-07 11:25:36,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:36,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-07 11:25:36,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391428961] [2020-07-07 11:25:36,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:25:36,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:36,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:25:36,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:25:36,997 INFO L87 Difference]: Start difference. First operand 3743 states and 4593 transitions. Second operand 11 states. [2020-07-07 11:25:39,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:39,202 INFO L93 Difference]: Finished difference Result 6515 states and 8087 transitions. [2020-07-07 11:25:39,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 11:25:39,204 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 213 [2020-07-07 11:25:39,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:39,226 INFO L225 Difference]: With dead ends: 6515 [2020-07-07 11:25:39,226 INFO L226 Difference]: Without dead ends: 3790 [2020-07-07 11:25:39,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-07-07 11:25:39,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2020-07-07 11:25:39,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 3603. [2020-07-07 11:25:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3603 states. [2020-07-07 11:25:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 4302 transitions. [2020-07-07 11:25:39,385 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 4302 transitions. Word has length 213 [2020-07-07 11:25:39,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:39,385 INFO L479 AbstractCegarLoop]: Abstraction has 3603 states and 4302 transitions. [2020-07-07 11:25:39,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:25:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 4302 transitions. [2020-07-07 11:25:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-07-07 11:25:39,397 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:39,397 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:39,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:39,611 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:39,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:39,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1557426684, now seen corresponding path program 1 times [2020-07-07 11:25:39,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:39,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978306703] [2020-07-07 11:25:39,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:25:39,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978306703] [2020-07-07 11:25:39,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726131003] [2020-07-07 11:25:39,837 INFO L94 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 [2020-07-07 11:25:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:39,923 INFO L264 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:25:39,927 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:39,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:39,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2020-07-07 11:25:39,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104460568] [2020-07-07 11:25:39,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 11:25:39,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:39,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 11:25:39,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:25:39,964 INFO L87 Difference]: Start difference. First operand 3603 states and 4302 transitions. Second operand 8 states. [2020-07-07 11:25:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:41,209 INFO L93 Difference]: Finished difference Result 6925 states and 8397 transitions. [2020-07-07 11:25:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 11:25:41,211 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 221 [2020-07-07 11:25:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:41,225 INFO L225 Difference]: With dead ends: 6925 [2020-07-07 11:25:41,225 INFO L226 Difference]: Without dead ends: 3012 [2020-07-07 11:25:41,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:25:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2020-07-07 11:25:41,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2980. [2020-07-07 11:25:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2980 states. [2020-07-07 11:25:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 3290 transitions. [2020-07-07 11:25:41,314 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 3290 transitions. Word has length 221 [2020-07-07 11:25:41,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:41,314 INFO L479 AbstractCegarLoop]: Abstraction has 2980 states and 3290 transitions. [2020-07-07 11:25:41,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 11:25:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 3290 transitions. [2020-07-07 11:25:41,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-07-07 11:25:41,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:41,324 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:41,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:41,539 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:41,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:41,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1660093140, now seen corresponding path program 1 times [2020-07-07 11:25:41,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:41,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368473290] [2020-07-07 11:25:41,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 125 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 11:25:41,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368473290] [2020-07-07 11:25:41,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794386212] [2020-07-07 11:25:41,856 INFO L94 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 [2020-07-07 11:25:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:41,974 INFO L264 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:25:41,977 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 11:25:42,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:42,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-07 11:25:42,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927225103] [2020-07-07 11:25:42,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 11:25:42,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:42,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 11:25:42,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:25:42,071 INFO L87 Difference]: Start difference. First operand 2980 states and 3290 transitions. Second operand 12 states. [2020-07-07 11:25:44,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:44,895 INFO L93 Difference]: Finished difference Result 5818 states and 6424 transitions. [2020-07-07 11:25:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 11:25:44,896 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 247 [2020-07-07 11:25:44,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:44,905 INFO L225 Difference]: With dead ends: 5818 [2020-07-07 11:25:44,905 INFO L226 Difference]: Without dead ends: 2542 [2020-07-07 11:25:44,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-07-07 11:25:44,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2020-07-07 11:25:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2536. [2020-07-07 11:25:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2536 states. [2020-07-07 11:25:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 2742 transitions. [2020-07-07 11:25:44,963 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 2742 transitions. Word has length 247 [2020-07-07 11:25:44,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:44,963 INFO L479 AbstractCegarLoop]: Abstraction has 2536 states and 2742 transitions. [2020-07-07 11:25:44,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 11:25:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2742 transitions. [2020-07-07 11:25:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-07-07 11:25:44,972 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:44,973 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:45,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:45,186 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:45,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:45,186 INFO L82 PathProgramCache]: Analyzing trace with hash 780172313, now seen corresponding path program 1 times [2020-07-07 11:25:45,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:45,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277747183] [2020-07-07 11:25:45,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 134 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-07 11:25:45,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277747183] [2020-07-07 11:25:45,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081116060] [2020-07-07 11:25:45,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:45,568 INFO L264 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:25:45,570 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-07 11:25:45,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:45,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2020-07-07 11:25:45,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652850082] [2020-07-07 11:25:45,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:25:45,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:45,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:25:45,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:25:45,653 INFO L87 Difference]: Start difference. First operand 2536 states and 2742 transitions. Second operand 9 states. [2020-07-07 11:25:47,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:47,113 INFO L93 Difference]: Finished difference Result 4932 states and 5317 transitions. [2020-07-07 11:25:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 11:25:47,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 274 [2020-07-07 11:25:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:47,123 INFO L225 Difference]: With dead ends: 4932 [2020-07-07 11:25:47,123 INFO L226 Difference]: Without dead ends: 2534 [2020-07-07 11:25:47,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:25:47,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-07-07 11:25:47,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2386. [2020-07-07 11:25:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2020-07-07 11:25:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 2509 transitions. [2020-07-07 11:25:47,173 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 2509 transitions. Word has length 274 [2020-07-07 11:25:47,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:47,173 INFO L479 AbstractCegarLoop]: Abstraction has 2386 states and 2509 transitions. [2020-07-07 11:25:47,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:25:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2509 transitions. [2020-07-07 11:25:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-07 11:25:47,182 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:47,182 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:47,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 11:25:47,396 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:47,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:47,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1557581639, now seen corresponding path program 1 times [2020-07-07 11:25:47,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:47,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126286134] [2020-07-07 11:25:47,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 245 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-07 11:25:47,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126286134] [2020-07-07 11:25:47,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100442512] [2020-07-07 11:25:47,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:48,026 INFO L264 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:25:48,031 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-07-07 11:25:48,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:25:48,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2020-07-07 11:25:48,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552630651] [2020-07-07 11:25:48,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:25:48,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:48,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:25:48,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:25:48,112 INFO L87 Difference]: Start difference. First operand 2386 states and 2509 transitions. Second operand 3 states. [2020-07-07 11:25:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:48,572 INFO L93 Difference]: Finished difference Result 4609 states and 4848 transitions. [2020-07-07 11:25:48,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:25:48,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-07-07 11:25:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:48,573 INFO L225 Difference]: With dead ends: 4609 [2020-07-07 11:25:48,574 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:25:48,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:25:48,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:25:48,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:25:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:25:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:25:48,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2020-07-07 11:25:48,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:48,585 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:25:48,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:25:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:25:48,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:25:48,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 11:25:48,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:25:49,252 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 134 [2020-07-07 11:25:49,412 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 134 [2020-07-07 11:25:50,808 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2020-07-07 11:25:51,324 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2020-07-07 11:25:51,784 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2020-07-07 11:25:51,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:25:51,788 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:25:51,789 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:25:51,789 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,789 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,789 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,789 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,789 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,789 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-07 11:25:51,790 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-07 11:25:51,790 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-07 11:25:51,790 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-07 11:25:51,790 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-07 11:25:51,790 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-07 11:25:51,790 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-07 11:25:51,790 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-07 11:25:51,790 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,791 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:25:51,792 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-07 11:25:51,793 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-07 11:25:51,793 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-07 11:25:51,793 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:25:51,793 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:25:51,793 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-07 11:25:51,793 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,793 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,793 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,794 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,794 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,794 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-07-07 11:25:51,794 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:25:51,794 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-07 11:25:51,794 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:25:51,794 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-07 11:25:51,794 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-07 11:25:51,795 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-07 11:25:51,795 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-07 11:25:51,795 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-07 11:25:51,795 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-07 11:25:51,795 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-07 11:25:51,795 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-07 11:25:51,795 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,795 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,796 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,796 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,796 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,796 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-07 11:25:51,796 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-07 11:25:51,796 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-07 11:25:51,796 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-07 11:25:51,796 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-07 11:25:51,797 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-07 11:25:51,797 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-07 11:25:51,797 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-07 11:25:51,797 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-07 11:25:51,797 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-07 11:25:51,797 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-07 11:25:51,797 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-07 11:25:51,797 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-07 11:25:51,798 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,798 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,798 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,798 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,798 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,798 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-07 11:25:51,798 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-07 11:25:51,798 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-07 11:25:51,799 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,800 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,801 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-07 11:25:51,802 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-07 11:25:51,803 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,803 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,803 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,803 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,803 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,803 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,803 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-07 11:25:51,803 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-07 11:25:51,804 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-07 11:25:51,804 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-07 11:25:51,804 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-07 11:25:51,804 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 11:25:51,804 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-07 11:25:51,804 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-07 11:25:51,804 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-07 11:25:51,804 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-07 11:25:51,805 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-07 11:25:51,806 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-07 11:25:51,806 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-07 11:25:51,806 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-07 11:25:51,806 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-07 11:25:51,806 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-07 11:25:51,806 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 11:25:51,806 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-07 11:25:51,806 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-07 11:25:51,807 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-07 11:25:51,807 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-07 11:25:51,807 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-07 11:25:51,807 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-07 11:25:51,807 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,807 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,807 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,808 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse22 (= ~a11~0 |old(~a11~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse20 (= ~a19~0 |old(~a19~0)|)) (.cse19 (= ~a28~0 |old(~a28~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|))) (let ((.cse3 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (and .cse22 .cse18 .cse20 .cse19 .cse21)) (.cse15 (not (<= |old(~a28~0)| 7))) (.cse11 (and .cse22 .cse18 .cse19 .cse20 .cse21)) (.cse0 (= 10 |old(~a28~0)|)) (.cse8 (not (<= 8 |old(~a17~0)|))) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse16 (and .cse22 .cse18 .cse19 .cse20 (= 1 ~a25~0))) (.cse17 (not (= 1 |old(~a25~0)|))) (.cse1 (not (<= |old(~a19~0)| 0))) (.cse6 (not (<= |old(~a17~0)| 8))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse12 (not (<= |old(~a25~0)| 0))) (.cse4 (not (<= |old(~a17~0)| 7))) (.cse13 (and (= 1 ~a11~0) .cse18 .cse19 .cse20 .cse21)) (.cse9 (not (<= 10 |old(~a28~0)|))) (.cse5 (= 11 |old(~a28~0)|)) (.cse14 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse2 .cse9 .cse5 .cse6) (or .cse7 .cse10 .cse11 (not (<= |old(~a28~0)| 9)) .cse12 .cse3) (or .cse10 .cse12 .cse0 .cse1 .cse13 .cse5 .cse6 .cse14) (or .cse11 .cse12 .cse1 .cse4 .cse9 .cse5 .cse6) (or .cse7 .cse15 .cse2 .cse4 .cse6) (or .cse10 .cse15 .cse11 .cse1 .cse6) (or .cse10 .cse11 .cse12 .cse0 .cse1 .cse5 .cse6 (= 9 |old(~a28~0)|)) (or .cse7 .cse16 .cse17 .cse8 .cse6) (or .cse10 .cse16 .cse17 .cse1 .cse9 .cse5 .cse6) (or .cse7 .cse12 .cse4 .cse13 .cse9 .cse5 .cse14)))) [2020-07-07 11:25:51,808 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,808 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,808 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,808 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-07 11:25:51,808 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-07 11:25:51,808 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-07 11:25:51,809 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-07 11:25:51,810 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-07 11:25:51,811 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-07 11:25:51,811 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-07 11:25:51,811 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-07 11:25:51,811 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-07 11:25:51,811 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-07 11:25:51,811 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-07 11:25:51,811 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-07 11:25:51,811 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,812 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-07 11:25:51,813 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-07 11:25:51,814 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:25:51,815 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:25:51,815 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-07 11:25:51,815 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-07 11:25:51,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:25:51,815 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a25~0 0) (<= ~a28~0 7)) [2020-07-07 11:25:51,815 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:25:51,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:25:51,815 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a17~0)| 8))) [2020-07-07 11:25:51,816 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (<= 10 ~a28~0)) (.cse8 (<= ~a28~0 7)) (.cse2 (= 1 ~a11~0)) (.cse10 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse9 (= 1 ~a25~0)) (.cse1 (not (= 11 ~a28~0))) (.cse11 (not (= 10 ~a28~0))) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a25~0 0)) (.cse7 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse6 .cse5 .cse7 .cse9) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse10 .cse6 .cse3) (and .cse0 .cse1 (<= ~a17~0 8) (<= 8 ~a17~0) .cse5) (and .cse0 .cse4 .cse8) (and .cse1 .cse11 .cse2 .cse6 .cse3 .cse7) (and .cse1 .cse11 .cse10 .cse4 .cse7) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse6 .cse9) (and .cse1 .cse11 .cse6 .cse3 (not (= 9 ~a28~0)) .cse7) (not (<= |old(~a17~0)| 8)))) [2020-07-07 11:25:51,816 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:25:51,816 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:25:51,816 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (<= 10 ~a28~0)) (.cse8 (<= ~a28~0 7)) (.cse2 (= 1 ~a11~0)) (.cse10 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse9 (= 1 ~a25~0)) (.cse1 (not (= 11 ~a28~0))) (.cse11 (not (= 10 ~a28~0))) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a25~0 0)) (.cse7 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse6 .cse5 .cse7 .cse9) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse10 .cse6 .cse3) (and .cse0 .cse1 (<= ~a17~0 8) (<= 8 ~a17~0) .cse5) (and .cse0 .cse4 .cse8) (and .cse1 .cse11 .cse2 .cse6 .cse3 .cse7) (and .cse1 .cse11 .cse10 .cse4 .cse7) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse6 .cse9) (and .cse1 .cse11 .cse6 .cse3 (not (= 9 ~a28~0)) .cse7) (not (<= |old(~a17~0)| 8)))) [2020-07-07 11:25:51,816 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-07 11:25:51,817 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-07 11:25:51,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:25:51 BoogieIcfgContainer [2020-07-07 11:25:51,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:25:51,841 INFO L168 Benchmark]: Toolchain (without parser) took 30034.26 ms. Allocated memory was 146.8 MB in the beginning and 671.1 MB in the end (delta: 524.3 MB). Free memory was 102.2 MB in the beginning and 248.3 MB in the end (delta: -146.1 MB). Peak memory consumption was 490.4 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:51,841 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 11:25:51,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.37 ms. Allocated memory was 146.8 MB in the beginning and 208.1 MB in the end (delta: 61.3 MB). Free memory was 102.0 MB in the beginning and 176.4 MB in the end (delta: -74.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:51,843 INFO L168 Benchmark]: Boogie Preprocessor took 113.53 ms. Allocated memory is still 208.1 MB. Free memory was 176.4 MB in the beginning and 170.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:51,844 INFO L168 Benchmark]: RCFGBuilder took 1202.31 ms. Allocated memory was 208.1 MB in the beginning and 240.1 MB in the end (delta: 32.0 MB). Free memory was 170.9 MB in the beginning and 183.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:51,845 INFO L168 Benchmark]: TraceAbstraction took 28024.21 ms. Allocated memory was 240.1 MB in the beginning and 671.1 MB in the end (delta: 431.0 MB). Free memory was 183.7 MB in the beginning and 248.3 MB in the end (delta: -64.6 MB). Peak memory consumption was 478.6 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:51,848 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.37 ms. Allocated memory was 146.8 MB in the beginning and 208.1 MB in the end (delta: 61.3 MB). Free memory was 102.0 MB in the beginning and 176.4 MB in the end (delta: -74.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.53 ms. Allocated memory is still 208.1 MB. Free memory was 176.4 MB in the beginning and 170.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.31 ms. Allocated memory was 208.1 MB in the beginning and 240.1 MB in the end (delta: 32.0 MB). Free memory was 170.9 MB in the beginning and 183.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28024.21 ms. Allocated memory was 240.1 MB in the beginning and 671.1 MB in the end (delta: 431.0 MB). Free memory was 183.7 MB in the beginning and 248.3 MB in the end (delta: -64.6 MB). Peak memory consumption was 478.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a19)) || (((((1 == a19 && !(11 == a28)) && 1 == a11) && a25 <= 0) && a17 <= 7) && 10 <= a28)) || ((a17 == \old(a17) && a19 <= 0) && a28 <= 7)) || !(\old(a28) <= 7)) || ((((!(11 == a28) && a25 <= 0) && a17 <= 7) && 10 <= a28) && a19 <= 0)) || ((((!(11 == a28) && a17 == \old(a17)) && 10 <= a28) && a19 <= 0) && 1 == a25)) || !(8 <= \old(a17))) || ((((1 == a19 && !(11 == a28)) && !(a28 == a17)) && a17 == \old(a17)) && a25 <= 0)) || ((((1 == a19 && !(11 == a28)) && a17 <= 8) && 8 <= a17) && 10 <= a28)) || ((1 == a19 && a17 <= 7) && a28 <= 7)) || (((((!(11 == a28) && !(10 == a28)) && 1 == a11) && a17 == \old(a17)) && a25 <= 0) && a19 <= 0)) || ((((!(11 == a28) && !(10 == a28)) && !(a28 == a17)) && a17 <= 7) && a19 <= 0)) || !(\old(a25) <= 0)) || ((1 == a19 && a17 == \old(a17)) && 1 == a25)) || (((((!(11 == a28) && !(10 == a28)) && a17 == \old(a17)) && a25 <= 0) && !(9 == a28)) && a19 <= 0)) || !(\old(a17) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.9s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 795 SDtfs, 7913 SDslu, 587 SDs, 0 SdLazy, 11168 SolverSat, 2021 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2050 GetRequests, 1915 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3743occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1045 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 151 PreInvPairs, 207 NumberOfFragments, 925 HoareAnnotationTreeSize, 151 FomulaSimplifications, 69893 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4510 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 4117 NumberOfCodeBlocks, 4117 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4098 ConstructedInterpolants, 0 QuantifiedInterpolants, 2179848 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4211 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2008/2123 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...