/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:34:10,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:34:10,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:34:10,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:34:10,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:34:10,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:34:10,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:34:10,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:34:10,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:34:10,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:34:10,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:34:10,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-10-23 18:34:10,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:34:10,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:34:10,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:34:10,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:34:10,871 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:34:10,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:34:10,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:34:10,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:34:10,877 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:34:10,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:34:10,877 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:34:10,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:34:10,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:34:10,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:34:10,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:34:10,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:34:10,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:34:10,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:34:10,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:34:10,881 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:34:10,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:34:10,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:34:10,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:34:10,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:34:10,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:34:10,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:34:10,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:34:10,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:34:10,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:34:10,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:34:10,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:34:10,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:34:10,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:34:10,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:34:11,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:34:11,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:34:11,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:34:11,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:34:11,335 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:34:11,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2020-10-23 18:34:11,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f50a6f3/fa002b6bc83847eda73cbb96019fa941/FLAG6a264a87a [2020-10-23 18:34:12,218 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:34:12,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2020-10-23 18:34:12,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f50a6f3/fa002b6bc83847eda73cbb96019fa941/FLAG6a264a87a [2020-10-23 18:34:12,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f50a6f3/fa002b6bc83847eda73cbb96019fa941 [2020-10-23 18:34:12,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:34:12,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:34:12,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:34:12,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:34:12,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:34:12,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:34:12" (1/1) ... [2020-10-23 18:34:12,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3ff60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:12, skipping insertion in model container [2020-10-23 18:34:12,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:34:12" (1/1) ... [2020-10-23 18:34:12,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:34:12,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:34:12,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:34:12,905 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:34:13,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:34:13,125 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:34:13,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13 WrapperNode [2020-10-23 18:34:13,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:34:13,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:34:13,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:34:13,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:34:13,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (1/1) ... [2020-10-23 18:34:13,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (1/1) ... [2020-10-23 18:34:13,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (1/1) ... [2020-10-23 18:34:13,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (1/1) ... [2020-10-23 18:34:13,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (1/1) ... [2020-10-23 18:34:13,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (1/1) ... [2020-10-23 18:34:13,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (1/1) ... [2020-10-23 18:34:13,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:34:13,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:34:13,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:34:13,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:34:13,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:34:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:34:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:34:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:34:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:34:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:34:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:34:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:34:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:34:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:34:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:34:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:34:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:34:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:34:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:34:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:34:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:34:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:34:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:34:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:34:14,759 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:34:14,759 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:34:14,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:34:14 BoogieIcfgContainer [2020-10-23 18:34:14,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:34:14,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:34:14,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:34:14,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:34:14,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:34:12" (1/3) ... [2020-10-23 18:34:14,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c5a4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:34:14, skipping insertion in model container [2020-10-23 18:34:14,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:13" (2/3) ... [2020-10-23 18:34:14,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c5a4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:34:14, skipping insertion in model container [2020-10-23 18:34:14,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:34:14" (3/3) ... [2020-10-23 18:34:14,776 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2020-10-23 18:34:14,789 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:34:14,795 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:34:14,808 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:34:14,851 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:34:14,851 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:34:14,851 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:34:14,852 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:34:14,852 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:34:14,852 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:34:14,852 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:34:14,852 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:34:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:34:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-23 18:34:14,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:14,894 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] [2020-10-23 18:34:14,895 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:14,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:14,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1692750477, now seen corresponding path program 1 times [2020-10-23 18:34:14,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:14,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365391209] [2020-10-23 18:34:14,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:15,663 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:34:15,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:15,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365391209] [2020-10-23 18:34:15,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:15,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:34:15,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308550591] [2020-10-23 18:34:15,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:34:15,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:15,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:34:15,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:34:15,819 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:34:17,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:17,845 INFO L93 Difference]: Finished difference Result 636 states and 1083 transitions. [2020-10-23 18:34:17,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:34:17,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2020-10-23 18:34:17,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:17,866 INFO L225 Difference]: With dead ends: 636 [2020-10-23 18:34:17,866 INFO L226 Difference]: Without dead ends: 332 [2020-10-23 18:34:17,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:34:17,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-23 18:34:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 325. [2020-10-23 18:34:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-23 18:34:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 461 transitions. [2020-10-23 18:34:17,958 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 461 transitions. Word has length 135 [2020-10-23 18:34:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:17,959 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 461 transitions. [2020-10-23 18:34:17,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:34:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 461 transitions. [2020-10-23 18:34:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-23 18:34:17,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:17,966 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] [2020-10-23 18:34:17,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:34:17,966 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:17,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:17,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1341150500, now seen corresponding path program 1 times [2020-10-23 18:34:17,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:17,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645938768] [2020-10-23 18:34:17,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:18,191 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:34:18,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:18,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645938768] [2020-10-23 18:34:18,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:18,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:34:18,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866777599] [2020-10-23 18:34:18,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:34:18,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:18,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:34:18,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:18,386 INFO L87 Difference]: Start difference. First operand 325 states and 461 transitions. Second operand 8 states. [2020-10-23 18:34:21,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:21,381 INFO L93 Difference]: Finished difference Result 1260 states and 1841 transitions. [2020-10-23 18:34:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:34:21,382 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-10-23 18:34:21,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:21,396 INFO L225 Difference]: With dead ends: 1260 [2020-10-23 18:34:21,397 INFO L226 Difference]: Without dead ends: 941 [2020-10-23 18:34:21,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:34:21,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-23 18:34:21,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 927. [2020-10-23 18:34:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2020-10-23 18:34:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1228 transitions. [2020-10-23 18:34:21,494 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1228 transitions. Word has length 157 [2020-10-23 18:34:21,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:21,495 INFO L481 AbstractCegarLoop]: Abstraction has 927 states and 1228 transitions. [2020-10-23 18:34:21,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:34:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1228 transitions. [2020-10-23 18:34:21,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 18:34:21,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:21,510 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-10-23 18:34:21,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:34:21,510 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:21,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:21,514 INFO L82 PathProgramCache]: Analyzing trace with hash 921551409, now seen corresponding path program 1 times [2020-10-23 18:34:21,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:21,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742326265] [2020-10-23 18:34:21,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:21,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:21,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:21,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742326265] [2020-10-23 18:34:21,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:21,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:34:21,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036048931] [2020-10-23 18:34:21,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:34:21,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:21,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:34:21,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:21,932 INFO L87 Difference]: Start difference. First operand 927 states and 1228 transitions. Second operand 8 states. [2020-10-23 18:34:22,097 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:23,336 INFO L93 Difference]: Finished difference Result 1733 states and 2349 transitions. [2020-10-23 18:34:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 18:34:23,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-10-23 18:34:23,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:23,349 INFO L225 Difference]: With dead ends: 1733 [2020-10-23 18:34:23,349 INFO L226 Difference]: Without dead ends: 812 [2020-10-23 18:34:23,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:34:23,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-10-23 18:34:23,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 772. [2020-10-23 18:34:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-10-23 18:34:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 921 transitions. [2020-10-23 18:34:23,395 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 921 transitions. Word has length 158 [2020-10-23 18:34:23,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:23,395 INFO L481 AbstractCegarLoop]: Abstraction has 772 states and 921 transitions. [2020-10-23 18:34:23,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:34:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 921 transitions. [2020-10-23 18:34:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-23 18:34:23,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:23,400 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] [2020-10-23 18:34:23,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:34:23,400 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:23,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:23,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1546147045, now seen corresponding path program 1 times [2020-10-23 18:34:23,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:23,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855913480] [2020-10-23 18:34:23,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:23,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:23,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:23,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:34:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:34:23,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855913480] [2020-10-23 18:34:23,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895659901] [2020-10-23 18:34:23,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:24,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:24,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:34:24,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:34:24,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:34:24,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589635421] [2020-10-23 18:34:24,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:34:24,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:24,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:34:24,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:34:24,402 INFO L87 Difference]: Start difference. First operand 772 states and 921 transitions. Second operand 3 states. [2020-10-23 18:34:25,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:25,160 INFO L93 Difference]: Finished difference Result 1834 states and 2237 transitions. [2020-10-23 18:34:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:34:25,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-10-23 18:34:25,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:25,167 INFO L225 Difference]: With dead ends: 1834 [2020-10-23 18:34:25,167 INFO L226 Difference]: Without dead ends: 916 [2020-10-23 18:34:25,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:34:25,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-23 18:34:25,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 916. [2020-10-23 18:34:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2020-10-23 18:34:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1019 transitions. [2020-10-23 18:34:25,206 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1019 transitions. Word has length 170 [2020-10-23 18:34:25,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:25,207 INFO L481 AbstractCegarLoop]: Abstraction has 916 states and 1019 transitions. [2020-10-23 18:34:25,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:34:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1019 transitions. [2020-10-23 18:34:25,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-23 18:34:25,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:25,211 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, 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] [2020-10-23 18:34:25,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:25,426 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:25,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:25,427 INFO L82 PathProgramCache]: Analyzing trace with hash -960775151, now seen corresponding path program 1 times [2020-10-23 18:34:25,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:25,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308353257] [2020-10-23 18:34:25,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:25,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:25,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:25,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:34:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:34:25,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308353257] [2020-10-23 18:34:25,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319008849] [2020-10-23 18:34:25,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:25,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:25,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:34:25,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:34:25,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:34:25,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33250189] [2020-10-23 18:34:25,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:34:25,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:25,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:34:25,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:25,931 INFO L87 Difference]: Start difference. First operand 916 states and 1019 transitions. Second operand 3 states. [2020-10-23 18:34:26,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:26,562 INFO L93 Difference]: Finished difference Result 2263 states and 2543 transitions. [2020-10-23 18:34:26,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:34:26,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-10-23 18:34:26,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:26,578 INFO L225 Difference]: With dead ends: 2263 [2020-10-23 18:34:26,579 INFO L226 Difference]: Without dead ends: 1352 [2020-10-23 18:34:26,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:26,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2020-10-23 18:34:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1202. [2020-10-23 18:34:26,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2020-10-23 18:34:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1360 transitions. [2020-10-23 18:34:26,643 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1360 transitions. Word has length 176 [2020-10-23 18:34:26,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:26,644 INFO L481 AbstractCegarLoop]: Abstraction has 1202 states and 1360 transitions. [2020-10-23 18:34:26,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:34:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1360 transitions. [2020-10-23 18:34:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-23 18:34:26,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:26,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:26,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:26,867 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:26,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:26,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1367250817, now seen corresponding path program 1 times [2020-10-23 18:34:26,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:26,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241639849] [2020-10-23 18:34:26,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:26,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:27,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:27,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:34:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 18:34:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:27,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-23 18:34:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-23 18:34:27,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241639849] [2020-10-23 18:34:27,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538353636] [2020-10-23 18:34:27,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:27,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:27,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-23 18:34:27,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:27,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:34:27,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112164281] [2020-10-23 18:34:27,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:34:27,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:27,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:34:27,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:34:27,544 INFO L87 Difference]: Start difference. First operand 1202 states and 1360 transitions. Second operand 10 states. [2020-10-23 18:34:27,929 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:28,562 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-23 18:34:29,720 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-10-23 18:34:30,042 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-10-23 18:34:32,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:32,892 INFO L93 Difference]: Finished difference Result 3468 states and 3973 transitions. [2020-10-23 18:34:32,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-23 18:34:32,893 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 227 [2020-10-23 18:34:32,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:32,894 INFO L225 Difference]: With dead ends: 3468 [2020-10-23 18:34:32,894 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:34:32,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=200, Invalid=792, Unknown=0, NotChecked=0, Total=992 [2020-10-23 18:34:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:34:32,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:34:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:34:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:34:32,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-10-23 18:34:32,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:32,905 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:34:32,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:34:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:34:32,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:34:33,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:33,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:34:33,624 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 28 [2020-10-23 18:34:34,388 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2020-10-23 18:34:34,620 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-10-23 18:34:34,851 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-10-23 18:34:35,101 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-10-23 18:34:35,106 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:34:35,107 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:34:35,107 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:34:35,107 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:34:35,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:34:35,108 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:34:35,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:34:35,110 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:34:35,111 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:34:35,111 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:34:35,111 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:34:35,111 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:34:35,111 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:34:35,112 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:34:35,112 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:34:35,112 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:34:35,112 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:34:35,112 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:34:35,112 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:34:35,112 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:34:35,112 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:34:35,113 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:34:35,113 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,113 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,113 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:34:35,114 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,115 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,116 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:34:35,116 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,116 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:34:35,116 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:34:35,122 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:34:35,124 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:34:35,124 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:34:35,124 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:34:35,124 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:34:35,124 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:34:35,124 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:34:35,124 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,125 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,126 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:34:35,126 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:34:35,126 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:34:35,127 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:34:35,127 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:34:35,127 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:34:35,127 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:34:35,127 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,128 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:34:35,129 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:34:35,130 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:34:35,130 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:34:35,130 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,130 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,130 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,130 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,130 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,130 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:34:35,131 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,132 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:34:35,133 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:34:35,134 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,135 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,136 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,136 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:34:35,136 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:34:35,136 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:34:35,136 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:34:35,136 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:34:35,136 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:34:35,136 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:34:35,137 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= ~a19~0 |old(~a19~0)|))) (let ((.cse3 (not (= |old(~a19~0)| 1))) (.cse7 (= ~a19~0 1)) (.cse10 (not (<= 8 |old(~a17~0)|))) (.cse1 (and .cse4 .cse5 .cse6 .cse8 .cse12)) (.cse9 (not (= |old(~a25~0)| 1))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse11 (= ~a25~0 1)) (.cse2 (= 11 |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 (not (<= 10 |old(~a28~0)|))) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse0 .cse3 .cse10 (and .cse4 .cse5 .cse6 .cse7 .cse11)) (or .cse0 .cse10 .cse1 .cse2) (or .cse9 .cse0 (and .cse4 .cse5 .cse6 .cse11 .cse12) .cse2)))) [2020-10-23 18:34:35,137 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:34:35,137 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:34:35,137 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:34:35,137 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:34:35,137 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:34:35,137 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:34:35,138 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L270 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (= 11 |old(~a28~0)|)) (.cse2 (not (= |old(~a25~0)| 1))) (.cse3 (not (<= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse4 (not (= |old(~a19~0)| 1)))) (and (or .cse0 .cse1 (not (<= 10 |old(~a28~0)|))) (or .cse2 .cse0 .cse1) (or .cse0 .cse3 .cse1) (or .cse2 .cse0 .cse4 .cse3) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse4))) [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,139 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:34:35,140 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:35,141 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:34:35,142 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:34:35,142 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:34:35,142 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:34:35,142 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:34:35,142 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-10-23 18:34:35,142 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:34:35,142 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:34:35,143 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse4 (<= 10 ~a28~0)) (.cse3 (not (= ~a28~0 11))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse5 (= ~a19~0 1)) (.cse1 (<= 8 ~a17~0)) (.cse6 (= ~a25~0 1)) (.cse2 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse3) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) .cse5 (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse5 .cse1 .cse6 .cse2))) [2020-10-23 18:34:35,143 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-10-23 18:34:35,143 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:34:35,143 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:34:35,143 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse4 (<= 10 ~a28~0)) (.cse3 (not (= ~a28~0 11))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse5 (= ~a19~0 1)) (.cse1 (<= 8 ~a17~0)) (.cse6 (= ~a25~0 1)) (.cse2 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse3) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) .cse5 (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse5 .cse1 .cse6 .cse2))) [2020-10-23 18:34:35,143 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:34:35,143 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:34:35,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:34:35 BoogieIcfgContainer [2020-10-23 18:34:35,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:34:35,168 INFO L168 Benchmark]: Toolchain (without parser) took 22726.36 ms. Allocated memory was 152.0 MB in the beginning and 440.4 MB in the end (delta: 288.4 MB). Free memory was 132.9 MB in the beginning and 324.8 MB in the end (delta: -191.9 MB). Peak memory consumption was 266.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:35,169 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 152.0 MB. Free memory was 125.1 MB in the beginning and 125.0 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:34:35,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.13 ms. Allocated memory is still 152.0 MB. Free memory was 132.5 MB in the beginning and 125.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:35,170 INFO L168 Benchmark]: Boogie Preprocessor took 139.44 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 121.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:35,171 INFO L168 Benchmark]: RCFGBuilder took 1491.02 ms. Allocated memory was 152.0 MB in the beginning and 190.8 MB in the end (delta: 38.8 MB). Free memory was 120.8 MB in the beginning and 105.4 MB in the end (delta: 15.4 MB). Peak memory consumption was 55.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:35,173 INFO L168 Benchmark]: TraceAbstraction took 20401.84 ms. Allocated memory was 190.8 MB in the beginning and 440.4 MB in the end (delta: 249.6 MB). Free memory was 104.9 MB in the beginning and 324.8 MB in the end (delta: -219.9 MB). Peak memory consumption was 200.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:35,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 152.0 MB. Free memory was 125.1 MB in the beginning and 125.0 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 680.13 ms. Allocated memory is still 152.0 MB. Free memory was 132.5 MB in the beginning and 125.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 139.44 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 121.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1491.02 ms. Allocated memory was 152.0 MB in the beginning and 190.8 MB in the end (delta: 38.8 MB). Free memory was 120.8 MB in the beginning and 105.4 MB in the end (delta: 15.4 MB). Peak memory consumption was 55.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20401.84 ms. Allocated memory was 190.8 MB in the beginning and 440.4 MB in the end (delta: 249.6 MB). Free memory was 104.9 MB in the beginning and 324.8 MB in the end (delta: -219.9 MB). Peak memory consumption was 200.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || (((!(\old(a25) == 1) && 8 <= a17) && a17 <= 8) && !(a28 == 11))) || (((!(\old(a25) == 1) && 10 <= a28) && a17 <= 8) && !(a28 == 11))) || (((10 <= a28 && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(\old(a25) == 1) && a25 == 1) && a17 <= 8) && !(a28 == 11))) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a19 == 1) && a25 == \old(a25))) || ((((!(\old(a25) == 1) && a19 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 3340 SDslu, 300 SDs, 0 SdLazy, 6175 SolverSat, 998 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 683 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1202occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 211 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 100 PreInvPairs, 132 NumberOfFragments, 562 HoareAnnotationTreeSize, 100 FomulaSimplifications, 10318 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2298 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1596 NumberOfCodeBlocks, 1596 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1587 ConstructedInterpolants, 0 QuantifiedInterpolants, 889922 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1621 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 530/585 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...