/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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:36:26,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:36:26,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:36:26,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:36:26,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:36:26,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:36:26,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:36:26,613 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 [2020-11-06 22:36:26,670 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:36:26,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:36:26,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:36:26,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:36:26,676 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:36:26,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:36:26,676 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:36:26,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:36:26,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:36:26,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:36:26,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:36:26,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:36:26,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:36:26,679 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:36:26,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:36:26,679 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:36:26,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:36:26,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:36:26,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:36:26,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:36:26,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:36:26,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:36:26,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:36:26,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:36:26,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:36:26,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:36:26,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:36:26,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:36:26,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:36:26,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:36:27,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:36:27,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:36:27,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:36:27,170 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:36:27,170 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:36:27,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-11-06 22:36:27,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f81922a/dbc6d02f10f847f48f9035c1b0acb84a/FLAGb9a7ba573 [2020-11-06 22:36:28,101 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:36:28,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-11-06 22:36:28,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f81922a/dbc6d02f10f847f48f9035c1b0acb84a/FLAGb9a7ba573 [2020-11-06 22:36:28,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f81922a/dbc6d02f10f847f48f9035c1b0acb84a [2020-11-06 22:36:28,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:36:28,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:36:28,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:36:28,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:36:28,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:36:28,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:28" (1/1) ... [2020-11-06 22:36:28,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649fb838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:28, skipping insertion in model container [2020-11-06 22:36:28,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:28" (1/1) ... [2020-11-06 22:36:28,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:36:28,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:36:28,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:36:28,842 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:36:29,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:36:29,076 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:36:29,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29 WrapperNode [2020-11-06 22:36:29,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:36:29,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:36:29,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:36:29,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:36:29,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (1/1) ... [2020-11-06 22:36:29,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (1/1) ... [2020-11-06 22:36:29,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (1/1) ... [2020-11-06 22:36:29,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (1/1) ... [2020-11-06 22:36:29,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (1/1) ... [2020-11-06 22:36:29,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (1/1) ... [2020-11-06 22:36:29,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (1/1) ... [2020-11-06 22:36:29,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:36:29,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:36:29,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:36:29,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:36:29,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (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 [2020-11-06 22:36:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:36:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:36:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:36:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:36:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:36:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:36:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:36:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:36:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:36:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:36:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:36:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:36:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:36:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:36:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:36:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:36:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:36:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:36:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:36:30,713 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:36:30,713 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:36:30,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:30 BoogieIcfgContainer [2020-11-06 22:36:30,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:36:30,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:36:30,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:36:30,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:36:30,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:36:28" (1/3) ... [2020-11-06 22:36:30,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143d1042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:30, skipping insertion in model container [2020-11-06 22:36:30,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:29" (2/3) ... [2020-11-06 22:36:30,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143d1042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:30, skipping insertion in model container [2020-11-06 22:36:30,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:30" (3/3) ... [2020-11-06 22:36:30,726 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-11-06 22:36:30,743 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:36:30,747 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:36:30,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:36:30,791 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:36:30,791 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:36:30,791 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:36:30,792 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:36:30,792 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:36:30,792 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:36:30,792 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:36:30,792 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:36:30,817 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:36:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-06 22:36:30,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:30,832 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] [2020-11-06 22:36:30,832 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:30,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:30,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1779792685, now seen corresponding path program 1 times [2020-11-06 22:36:30,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:30,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351654321] [2020-11-06 22:36:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:31,571 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:36:31,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:31,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351654321] [2020-11-06 22:36:31,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:31,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:36:31,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445464211] [2020-11-06 22:36:31,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:36:31,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:31,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:36:31,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:36:31,774 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-11-06 22:36:33,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:33,879 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-11-06 22:36:33,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:36:33,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-11-06 22:36:33,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:33,919 INFO L225 Difference]: With dead ends: 632 [2020-11-06 22:36:33,920 INFO L226 Difference]: Without dead ends: 328 [2020-11-06 22:36:33,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:36:33,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-11-06 22:36:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-11-06 22:36:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-11-06 22:36:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 481 transitions. [2020-11-06 22:36:34,046 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 481 transitions. Word has length 106 [2020-11-06 22:36:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:34,047 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 481 transitions. [2020-11-06 22:36:34,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:36:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2020-11-06 22:36:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-06 22:36:34,054 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:34,055 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:36:34,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:36:34,055 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:34,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:34,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1185666720, now seen corresponding path program 1 times [2020-11-06 22:36:34,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:34,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986706220] [2020-11-06 22:36:34,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:34,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:34,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986706220] [2020-11-06 22:36:34,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:34,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:36:34,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707268530] [2020-11-06 22:36:34,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:36:34,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:34,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:36:34,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:36:34,362 INFO L87 Difference]: Start difference. First operand 320 states and 481 transitions. Second operand 8 states. [2020-11-06 22:36:35,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:35,587 INFO L93 Difference]: Finished difference Result 637 states and 970 transitions. [2020-11-06 22:36:35,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:36:35,589 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-11-06 22:36:35,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:35,598 INFO L225 Difference]: With dead ends: 637 [2020-11-06 22:36:35,599 INFO L226 Difference]: Without dead ends: 323 [2020-11-06 22:36:35,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:36:35,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-11-06 22:36:35,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 311. [2020-11-06 22:36:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-11-06 22:36:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 438 transitions. [2020-11-06 22:36:35,648 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 438 transitions. Word has length 121 [2020-11-06 22:36:35,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:35,648 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 438 transitions. [2020-11-06 22:36:35,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:36:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 438 transitions. [2020-11-06 22:36:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-06 22:36:35,661 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:35,661 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] [2020-11-06 22:36:35,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:36:35,664 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:35,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:35,665 INFO L82 PathProgramCache]: Analyzing trace with hash 723619966, now seen corresponding path program 1 times [2020-11-06 22:36:35,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:35,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391949998] [2020-11-06 22:36:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:35,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391949998] [2020-11-06 22:36:35,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:35,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:36:35,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541732375] [2020-11-06 22:36:35,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:36:35,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:35,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:36:35,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:36:35,961 INFO L87 Difference]: Start difference. First operand 311 states and 438 transitions. Second operand 8 states. [2020-11-06 22:36:38,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:38,236 INFO L93 Difference]: Finished difference Result 1092 states and 1578 transitions. [2020-11-06 22:36:38,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:36:38,237 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-11-06 22:36:38,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:38,245 INFO L225 Difference]: With dead ends: 1092 [2020-11-06 22:36:38,246 INFO L226 Difference]: Without dead ends: 787 [2020-11-06 22:36:38,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:36:38,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-11-06 22:36:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 767. [2020-11-06 22:36:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-11-06 22:36:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 971 transitions. [2020-11-06 22:36:38,313 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 971 transitions. Word has length 128 [2020-11-06 22:36:38,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:38,316 INFO L481 AbstractCegarLoop]: Abstraction has 767 states and 971 transitions. [2020-11-06 22:36:38,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:36:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 971 transitions. [2020-11-06 22:36:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-06 22:36:38,323 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:38,324 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:36:38,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:36:38,324 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:38,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:38,325 INFO L82 PathProgramCache]: Analyzing trace with hash 2012385846, now seen corresponding path program 1 times [2020-11-06 22:36:38,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:38,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322128398] [2020-11-06 22:36:38,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:38,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:38,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:38,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322128398] [2020-11-06 22:36:38,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:38,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:36:38,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155236063] [2020-11-06 22:36:38,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:36:38,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:38,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:36:38,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:36:38,667 INFO L87 Difference]: Start difference. First operand 767 states and 971 transitions. Second operand 7 states. [2020-11-06 22:36:40,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:40,357 INFO L93 Difference]: Finished difference Result 2009 states and 2633 transitions. [2020-11-06 22:36:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:36:40,358 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-11-06 22:36:40,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:40,371 INFO L225 Difference]: With dead ends: 2009 [2020-11-06 22:36:40,371 INFO L226 Difference]: Without dead ends: 1248 [2020-11-06 22:36:40,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:36:40,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-11-06 22:36:40,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1224. [2020-11-06 22:36:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2020-11-06 22:36:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1477 transitions. [2020-11-06 22:36:40,457 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1477 transitions. Word has length 132 [2020-11-06 22:36:40,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:40,457 INFO L481 AbstractCegarLoop]: Abstraction has 1224 states and 1477 transitions. [2020-11-06 22:36:40,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:36:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1477 transitions. [2020-11-06 22:36:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-06 22:36:40,462 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:40,462 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] [2020-11-06 22:36:40,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:36:40,463 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:40,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2073568811, now seen corresponding path program 1 times [2020-11-06 22:36:40,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:40,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826614772] [2020-11-06 22:36:40,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:40,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:40,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:40,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:36:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:36:40,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826614772] [2020-11-06 22:36:40,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422918854] [2020-11-06 22:36:40,940 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 [2020-11-06 22:36:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:41,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:36:41,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:36:41,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:36:41,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:36:41,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292729361] [2020-11-06 22:36:41,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:36:41,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:41,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:36:41,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:36:41,401 INFO L87 Difference]: Start difference. First operand 1224 states and 1477 transitions. Second operand 3 states. [2020-11-06 22:36:42,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:42,047 INFO L93 Difference]: Finished difference Result 2442 states and 2948 transitions. [2020-11-06 22:36:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:36:42,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-11-06 22:36:42,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:42,055 INFO L225 Difference]: With dead ends: 2442 [2020-11-06 22:36:42,056 INFO L226 Difference]: Without dead ends: 1224 [2020-11-06 22:36:42,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:36:42,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-11-06 22:36:42,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1072. [2020-11-06 22:36:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-06 22:36:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1218 transitions. [2020-11-06 22:36:42,112 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1218 transitions. Word has length 141 [2020-11-06 22:36:42,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:42,113 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1218 transitions. [2020-11-06 22:36:42,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:36:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1218 transitions. [2020-11-06 22:36:42,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-06 22:36:42,118 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:42,118 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, 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] [2020-11-06 22:36:42,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:42,334 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:42,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:42,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1231990458, now seen corresponding path program 1 times [2020-11-06 22:36:42,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:42,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280917577] [2020-11-06 22:36:42,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:42,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:42,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:42,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:36:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:36:42,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280917577] [2020-11-06 22:36:42,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193583777] [2020-11-06 22:36:42,591 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 [2020-11-06 22:36:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:42,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:36:42,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:42,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:36:42,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-11-06 22:36:42,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518470868] [2020-11-06 22:36:42,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:36:42,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:42,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:36:42,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:36:42,789 INFO L87 Difference]: Start difference. First operand 1072 states and 1218 transitions. Second operand 7 states. [2020-11-06 22:36:45,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:45,129 INFO L93 Difference]: Finished difference Result 3075 states and 3521 transitions. [2020-11-06 22:36:45,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:36:45,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-11-06 22:36:45,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:45,140 INFO L225 Difference]: With dead ends: 3075 [2020-11-06 22:36:45,141 INFO L226 Difference]: Without dead ends: 1699 [2020-11-06 22:36:45,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:36:45,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-11-06 22:36:45,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1683. [2020-11-06 22:36:45,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1683 states. [2020-11-06 22:36:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 1883 transitions. [2020-11-06 22:36:45,218 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 1883 transitions. Word has length 154 [2020-11-06 22:36:45,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:45,218 INFO L481 AbstractCegarLoop]: Abstraction has 1683 states and 1883 transitions. [2020-11-06 22:36:45,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:36:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 1883 transitions. [2020-11-06 22:36:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-06 22:36:45,226 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:45,227 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:36:45,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:45,442 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:45,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:45,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1946101869, now seen corresponding path program 1 times [2020-11-06 22:36:45,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:45,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253455343] [2020-11-06 22:36:45,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:45,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:45,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:36:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 22:36:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-06 22:36:45,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253455343] [2020-11-06 22:36:45,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904673259] [2020-11-06 22:36:45,759 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 [2020-11-06 22:36:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:45,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:36:45,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:36:45,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:36:45,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:36:45,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729636617] [2020-11-06 22:36:45,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:36:45,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:45,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:36:45,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:36:45,988 INFO L87 Difference]: Start difference. First operand 1683 states and 1883 transitions. Second operand 10 states. [2020-11-06 22:36:49,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:49,414 INFO L93 Difference]: Finished difference Result 3649 states and 4137 transitions. [2020-11-06 22:36:49,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:36:49,414 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-11-06 22:36:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:49,415 INFO L225 Difference]: With dead ends: 3649 [2020-11-06 22:36:49,415 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:36:49,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-06 22:36:49,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:36:49,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:36:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:36:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:36:49,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-11-06 22:36:49,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:49,440 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:36:49,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:36:49,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:36:49,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:36:49,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:49,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:36:50,000 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 132 [2020-11-06 22:36:51,148 WARN L194 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 51 [2020-11-06 22:36:51,714 WARN L194 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 51 [2020-11-06 22:36:52,296 WARN L194 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 51 [2020-11-06 22:36:52,573 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-11-06 22:36:52,576 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:36:52,577 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:36:52,577 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:36:52,577 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:36:52,577 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:36:52,578 INFO L262 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)|)) [2020-11-06 22:36:52,578 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:36:52,578 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:36:52,578 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:36:52,579 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:36:52,579 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:36:52,579 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:36:52,579 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:36:52,579 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:36:52,580 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:36:52,580 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:36:52,582 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:36:52,582 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:36:52,582 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:36:52,582 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:36:52,583 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:36:52,583 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:36:52,583 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,583 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,583 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,583 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,583 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:36:52,584 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:36:52,585 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:36:52,585 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:36:52,585 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:36:52,585 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:36:52,585 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,585 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,585 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,585 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,586 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:36:52,586 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,586 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:36:52,586 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:36:52,586 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:36:52,586 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:36:52,586 INFO L262 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (let ((.cse5 (not (<= |old(~a28~0)| 7))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse2 (not (= |old(~a19~0)| 1))) (.cse3 (not (<= 8 |old(~a17~0)|))) (.cse4 (= |old(~a11~0)| 1)) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse7 (= 11 |old(~a28~0)|)) (.cse6 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6) (or .cse1 .cse2 .cse7 (not .cse4)) (or .cse5 .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse7) (or .cse1 .cse7 .cse4 .cse6) (or .cse1 .cse7 (not (<= |old(~a17~0)| 7)) .cse6))) [2020-11-06 22:36:52,587 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:36:52,587 INFO L266 CegarLoopResult]: For program point L471-1(line 471) no Hoare annotation was computed. [2020-11-06 22:36:52,587 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:36:52,587 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:36:52,587 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:36:52,587 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:36:52,587 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:36:52,587 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:36:52,588 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:36:52,588 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:36:52,588 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:36:52,588 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,588 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,588 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,588 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,588 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,590 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:36:52,590 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:36:52,590 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:36:52,590 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,591 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:36:52,592 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:36:52,593 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,594 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,595 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:36:52,596 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:36:52,597 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:36:52,597 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:36:52,597 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:36:52,597 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:36:52,597 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:36:52,597 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:36:52,597 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:36:52,597 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:36:52,598 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,599 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,600 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,600 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,600 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,600 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,600 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:36:52,600 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:36:52,600 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:36:52,600 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:36:52,601 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:36:52,601 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:36:52,601 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:36:52,601 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse15 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= ~a28~0 |old(~a28~0)|)) (.cse13 (= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse16 (= ~a19~0 1))) (let ((.cse6 (not (= |old(~a25~0)| 1))) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse7 (and .cse12 .cse13 .cse14 .cse16 (= ~a25~0 1))) (.cse5 (not (<= |old(~a28~0)| 7))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (and .cse12 .cse13 .cse14 .cse16 .cse15)) (.cse8 (= |old(~a11~0)| 1)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse9 (and .cse12 .cse13 .cse14 .cse15 (= ~a19~0 |old(~a19~0)|))) (.cse3 (= 11 |old(~a28~0)|)) (.cse11 (not (<= |old(~a17~0)| 7))) (.cse10 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse6 .cse0 .cse1 .cse2 .cse8 .cse7) (or .cse0 .cse9 .cse3 .cse8 .cse10) (or .cse5 .cse0 .cse9 .cse10) (or .cse1 .cse3 .cse11 .cse4 (not .cse8)) (or .cse0 .cse9 .cse3 .cse11 .cse10)))) [2020-11-06 22:36:52,601 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:36:52,601 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,602 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,603 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,603 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,603 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:36:52,603 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:36:52,603 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:36:52,603 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:36:52,603 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:36:52,603 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:36:52,604 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:36:52,604 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:36:52,604 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:36:52,604 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:36:52,604 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:36:52,604 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:36:52,604 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:36:52,604 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:36:52,605 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:36:52,606 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:36:52,606 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:36:52,606 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:36:52,606 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:36:52,606 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:36:52,606 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:36:52,606 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:36:52,606 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:36:52,607 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:36:52,607 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:36:52,607 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:36:52,607 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:36:52,607 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,607 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,607 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,607 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,608 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:52,608 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:36:52,608 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:36:52,608 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:36:52,608 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:36:52,608 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:36:52,608 INFO L262 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)) [2020-11-06 22:36:52,608 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:36:52,609 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:36:52,609 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse9 (<= ~a19~0 0)) (.cse10 (= ~a11~0 1)) (.cse6 (not (= ~a28~0 11))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse7 (= ~a25~0 1)) (.cse5 (not (= |old(~a11~0)| 1))) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a19~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse4 (<= ~a17~0 8)) (.cse8 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse7 .cse8 .cse4) (and .cse0 .cse9 .cse1 .cse4 .cse5 .cse6) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse9 .cse3 .cse4 .cse8 .cse10 .cse5) (and .cse0 .cse9 .cse10 (<= ~a17~0 7) .cse5 .cse6) (and .cse0 .cse2 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse4 .cse5) (and (= ~a28~0 |old(~a28~0)|) .cse1 .cse2 (= ~a25~0 |old(~a25~0)|) .cse3 .cse4 .cse8))) [2020-11-06 22:36:52,609 INFO L262 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)|))) [2020-11-06 22:36:52,609 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:36:52,609 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:36:52,610 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse9 (<= ~a19~0 0)) (.cse10 (= ~a11~0 1)) (.cse6 (not (= ~a28~0 11))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse7 (= ~a25~0 1)) (.cse5 (not (= |old(~a11~0)| 1))) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a19~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse4 (<= ~a17~0 8)) (.cse8 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse7 .cse8 .cse4) (and .cse0 .cse9 .cse1 .cse4 .cse5 .cse6) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse9 .cse3 .cse4 .cse8 .cse10 .cse5) (and .cse0 .cse9 .cse10 (<= ~a17~0 7) .cse5 .cse6) (and .cse0 .cse2 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse4 .cse5) (and (= ~a28~0 |old(~a28~0)|) .cse1 .cse2 (= ~a25~0 |old(~a25~0)|) .cse3 .cse4 .cse8))) [2020-11-06 22:36:52,610 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:36:52,610 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:36:52,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:36:52 BoogieIcfgContainer [2020-11-06 22:36:52,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:36:52,656 INFO L168 Benchmark]: Toolchain (without parser) took 24350.67 ms. Allocated memory was 159.4 MB in the beginning and 426.8 MB in the end (delta: 267.4 MB). Free memory was 133.5 MB in the beginning and 334.5 MB in the end (delta: -201.0 MB). Peak memory consumption was 257.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:52,657 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 99.8 MB in the end (delta: 62.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:36:52,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.17 ms. Allocated memory is still 159.4 MB. Free memory was 132.9 MB in the beginning and 136.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:52,658 INFO L168 Benchmark]: Boogie Preprocessor took 135.72 ms. Allocated memory is still 159.4 MB. Free memory was 136.9 MB in the beginning and 131.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:52,660 INFO L168 Benchmark]: RCFGBuilder took 1499.90 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 122.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 49.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:52,661 INFO L168 Benchmark]: TraceAbstraction took 21934.57 ms. Allocated memory was 159.4 MB in the beginning and 426.8 MB in the end (delta: 267.4 MB). Free memory was 121.9 MB in the beginning and 334.5 MB in the end (delta: -212.6 MB). Peak memory consumption was 245.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:52,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 99.8 MB in the end (delta: 62.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 769.17 ms. Allocated memory is still 159.4 MB. Free memory was 132.9 MB in the beginning and 136.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.72 ms. Allocated memory is still 159.4 MB. Free memory was 136.9 MB in the beginning and 131.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1499.90 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 122.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 49.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21934.57 ms. Allocated memory was 159.4 MB in the beginning and 426.8 MB in the end (delta: 267.4 MB). Free memory was 121.9 MB in the beginning and 334.5 MB in the end (delta: -212.6 MB). Peak memory consumption was 245.1 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(a25) == 1) && a11 == \old(a11)) && a19 == 1) && 8 <= a17) && a17 <= 8) && !(\old(a11) == 1)) && !(a28 == 11)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((((!(\old(a25) == 1) && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((((!(\old(a25) == 1) && a19 <= 0) && a11 == \old(a11)) && a17 <= 8) && !(\old(a11) == 1)) && !(a28 == 11))) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || ((((((!(\old(a25) == 1) && a19 <= 0) && 8 <= a17) && a17 <= 8) && a28 <= 7) && a11 == 1) && !(\old(a11) == 1))) || (((((!(\old(a25) == 1) && a19 <= 0) && a11 == 1) && a17 <= 7) && !(\old(a11) == 1)) && !(a28 == 11))) || (((((!(\old(a25) == 1) && a19 == 1) && a11 == 1) && a17 <= 8) && !(\old(a11) == 1)) && !(a28 == 11))) || ((((((!(\old(a25) == 1) && a11 == \old(a11)) && a19 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8) && !(\old(a11) == 1))) || ((((((a28 == \old(a28) && a11 == \old(a11)) && a19 == 1) && a25 == \old(a25)) && 8 <= a17) && a17 <= 8) && a28 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 4139 SDslu, 323 SDs, 0 SdLazy, 7264 SolverSat, 1350 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 609 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1683occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 232 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 115 PreInvPairs, 151 NumberOfFragments, 860 HoareAnnotationTreeSize, 115 FomulaSimplifications, 35368 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4510 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1499 NumberOfCodeBlocks, 1499 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1489 ConstructedInterpolants, 0 QuantifiedInterpolants, 755968 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1523 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 516/532 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...