/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/psyco/psyco_accelerometer_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:48:23,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:48:23,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:48:23,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 13:48:23,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:48:23,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:48:23,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:48:23,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:48:23,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:48:23,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:48:23,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:48:23,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:48:23,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:48:23,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:48:23,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:48:23,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:48:23,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:48:23,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:48:23,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:48:23,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:48:23,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:48:23,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:48:23,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:48:23,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:48:23,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:48:23,532 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:48:23,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:48:23,533 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:48:23,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:48:23,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:48:23,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:48:23,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:48:23,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:48:23,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:48:23,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:48:23,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:48:23,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:48:23,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:48:23,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:48:23,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:48:23,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:48:23,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:48:23,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:48:23,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:48:23,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:48:23,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:48:23,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:48:23,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:48:23,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:48:23,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:48:23,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:48:23,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:48:23,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:48:23,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:48:23,949 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:48:23,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_accelerometer_1.c [2021-02-23 13:48:24,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3e14bbc/8387ab91a7a74a729b1831b44ba9f21e/FLAGbdb06b5db [2021-02-23 13:48:24,939 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:48:24,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_accelerometer_1.c [2021-02-23 13:48:24,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3e14bbc/8387ab91a7a74a729b1831b44ba9f21e/FLAGbdb06b5db [2021-02-23 13:48:25,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3e14bbc/8387ab91a7a74a729b1831b44ba9f21e [2021-02-23 13:48:25,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:48:25,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:48:25,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:48:25,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:48:25,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:48:25,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:48:25" (1/1) ... [2021-02-23 13:48:25,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a19bcf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:25, skipping insertion in model container [2021-02-23 13:48:25,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:48:25" (1/1) ... [2021-02-23 13:48:25,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:48:25,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:48:26,460 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_accelerometer_1.c[182833,182846] [2021-02-23 13:48:26,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:48:26,545 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:48:26,858 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_accelerometer_1.c[182833,182846] [2021-02-23 13:48:26,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:48:26,883 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:48:26,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26 WrapperNode [2021-02-23 13:48:26,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:48:26,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:48:26,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:48:26,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:48:26,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (1/1) ... [2021-02-23 13:48:26,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (1/1) ... [2021-02-23 13:48:26,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (1/1) ... [2021-02-23 13:48:26,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (1/1) ... [2021-02-23 13:48:27,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (1/1) ... [2021-02-23 13:48:27,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (1/1) ... [2021-02-23 13:48:27,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (1/1) ... [2021-02-23 13:48:27,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:48:27,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:48:27,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:48:27,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:48:27,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:48:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:48:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:48:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:48:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:48:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 13:48:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:48:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:48:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:48:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:48:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:48:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:48:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:48:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:48:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:48:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:48:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:48:29,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:48:29,387 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-02-23 13:48:29,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:48:29 BoogieIcfgContainer [2021-02-23 13:48:29,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:48:29,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:48:29,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:48:29,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:48:29,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:48:25" (1/3) ... [2021-02-23 13:48:29,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43db2a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:48:29, skipping insertion in model container [2021-02-23 13:48:29,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:48:26" (2/3) ... [2021-02-23 13:48:29,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43db2a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:48:29, skipping insertion in model container [2021-02-23 13:48:29,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:48:29" (3/3) ... [2021-02-23 13:48:29,399 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-02-23 13:48:29,405 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:48:29,417 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:48:29,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:48:29,467 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:48:29,468 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:48:29,468 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:48:29,468 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:48:29,468 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:48:29,468 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:48:29,468 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:48:29,469 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:48:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states. [2021-02-23 13:48:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-02-23 13:48:29,499 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:29,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:29,501 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:29,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:29,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1325441564, now seen corresponding path program 1 times [2021-02-23 13:48:29,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:29,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896833441] [2021-02-23 13:48:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:29,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:29,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:29,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:29,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:29,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:30,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:30,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:48:30,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896833441] [2021-02-23 13:48:30,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:30,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 13:48:30,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457807207] [2021-02-23 13:48:30,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 13:48:30,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:30,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 13:48:30,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 13:48:30,065 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 3 states. [2021-02-23 13:48:30,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:30,230 INFO L93 Difference]: Finished difference Result 469 states and 916 transitions. [2021-02-23 13:48:30,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 13:48:30,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-02-23 13:48:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:30,253 INFO L225 Difference]: With dead ends: 469 [2021-02-23 13:48:30,253 INFO L226 Difference]: Without dead ends: 228 [2021-02-23 13:48:30,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 13:48:30,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-02-23 13:48:30,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2021-02-23 13:48:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-02-23 13:48:30,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 397 transitions. [2021-02-23 13:48:30,353 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 397 transitions. Word has length 13 [2021-02-23 13:48:30,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:30,353 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 397 transitions. [2021-02-23 13:48:30,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 13:48:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 397 transitions. [2021-02-23 13:48:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-23 13:48:30,355 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:30,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:30,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:48:30,356 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:30,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:30,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1328517955, now seen corresponding path program 1 times [2021-02-23 13:48:30,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:30,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333095030] [2021-02-23 13:48:30,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:30,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:30,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:30,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:30,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:30,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:30,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:30,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:30,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:30,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:48:30,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333095030] [2021-02-23 13:48:30,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:30,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:30,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065887321] [2021-02-23 13:48:30,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:30,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:30,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:30,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:30,567 INFO L87 Difference]: Start difference. First operand 228 states and 397 transitions. Second operand 4 states. [2021-02-23 13:48:30,690 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-23 13:48:31,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:31,843 INFO L93 Difference]: Finished difference Result 453 states and 792 transitions. [2021-02-23 13:48:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:31,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-02-23 13:48:31,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:31,847 INFO L225 Difference]: With dead ends: 453 [2021-02-23 13:48:31,847 INFO L226 Difference]: Without dead ends: 231 [2021-02-23 13:48:31,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:31,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-02-23 13:48:31,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-02-23 13:48:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2021-02-23 13:48:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2021-02-23 13:48:31,865 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 14 [2021-02-23 13:48:31,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:31,865 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2021-02-23 13:48:31,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2021-02-23 13:48:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-02-23 13:48:31,867 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:31,867 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:31,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:48:31,867 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:31,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:31,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1691988897, now seen corresponding path program 1 times [2021-02-23 13:48:31,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:31,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327128547] [2021-02-23 13:48:31,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:31,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:31,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:31,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:31,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:31,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:31,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:31,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:31,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:31,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:48:31,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327128547] [2021-02-23 13:48:31,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:31,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:31,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123561493] [2021-02-23 13:48:31,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:31,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:31,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:31,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:31,985 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand 4 states. [2021-02-23 13:48:32,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:32,967 INFO L93 Difference]: Finished difference Result 461 states and 801 transitions. [2021-02-23 13:48:32,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:32,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2021-02-23 13:48:32,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:32,970 INFO L225 Difference]: With dead ends: 461 [2021-02-23 13:48:32,970 INFO L226 Difference]: Without dead ends: 237 [2021-02-23 13:48:32,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:32,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2021-02-23 13:48:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 235. [2021-02-23 13:48:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2021-02-23 13:48:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 404 transitions. [2021-02-23 13:48:32,986 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 404 transitions. Word has length 19 [2021-02-23 13:48:32,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:32,987 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 404 transitions. [2021-02-23 13:48:32,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 404 transitions. [2021-02-23 13:48:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-02-23 13:48:32,988 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:32,988 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:32,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:48:32,988 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:32,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:32,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1289148550, now seen corresponding path program 1 times [2021-02-23 13:48:32,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:32,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077724748] [2021-02-23 13:48:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:33,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:33,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:33,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:33,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:33,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:33,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:33,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:33,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:33,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:48:33,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077724748] [2021-02-23 13:48:33,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:33,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:33,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004754085] [2021-02-23 13:48:33,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:33,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:33,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:33,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:33,099 INFO L87 Difference]: Start difference. First operand 235 states and 404 transitions. Second operand 4 states. [2021-02-23 13:48:34,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:34,329 INFO L93 Difference]: Finished difference Result 276 states and 460 transitions. [2021-02-23 13:48:34,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:34,330 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2021-02-23 13:48:34,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:34,333 INFO L225 Difference]: With dead ends: 276 [2021-02-23 13:48:34,333 INFO L226 Difference]: Without dead ends: 270 [2021-02-23 13:48:34,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:34,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-02-23 13:48:34,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 261. [2021-02-23 13:48:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2021-02-23 13:48:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 444 transitions. [2021-02-23 13:48:34,352 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 444 transitions. Word has length 22 [2021-02-23 13:48:34,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:34,352 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 444 transitions. [2021-02-23 13:48:34,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 444 transitions. [2021-02-23 13:48:34,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-02-23 13:48:34,354 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:34,354 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:34,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 13:48:34,354 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:34,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:34,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1297479284, now seen corresponding path program 1 times [2021-02-23 13:48:34,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:34,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223716073] [2021-02-23 13:48:34,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:34,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:34,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:34,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:34,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:34,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:34,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:34,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:34,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:34,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:48:34,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223716073] [2021-02-23 13:48:34,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:34,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:34,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234226196] [2021-02-23 13:48:34,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:34,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:34,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:34,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:34,474 INFO L87 Difference]: Start difference. First operand 261 states and 444 transitions. Second operand 4 states. [2021-02-23 13:48:34,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:34,804 INFO L93 Difference]: Finished difference Result 263 states and 445 transitions. [2021-02-23 13:48:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:34,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2021-02-23 13:48:34,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:34,807 INFO L225 Difference]: With dead ends: 263 [2021-02-23 13:48:34,808 INFO L226 Difference]: Without dead ends: 261 [2021-02-23 13:48:34,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-02-23 13:48:34,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-02-23 13:48:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2021-02-23 13:48:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 436 transitions. [2021-02-23 13:48:34,822 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 436 transitions. Word has length 23 [2021-02-23 13:48:34,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:34,823 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 436 transitions. [2021-02-23 13:48:34,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 436 transitions. [2021-02-23 13:48:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-23 13:48:34,824 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:34,824 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:34,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 13:48:34,825 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:34,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:34,825 INFO L82 PathProgramCache]: Analyzing trace with hash 902721435, now seen corresponding path program 1 times [2021-02-23 13:48:34,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:34,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064438732] [2021-02-23 13:48:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:34,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:34,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:34,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:34,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:34,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:34,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:34,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:35,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:35,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:48:35,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064438732] [2021-02-23 13:48:35,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:35,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:35,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617454313] [2021-02-23 13:48:35,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:35,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:35,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:35,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:35,016 INFO L87 Difference]: Start difference. First operand 261 states and 436 transitions. Second operand 4 states. [2021-02-23 13:48:36,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:36,493 INFO L93 Difference]: Finished difference Result 708 states and 1186 transitions. [2021-02-23 13:48:36,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:36,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2021-02-23 13:48:36,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:36,497 INFO L225 Difference]: With dead ends: 708 [2021-02-23 13:48:36,497 INFO L226 Difference]: Without dead ends: 448 [2021-02-23 13:48:36,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:36,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-02-23 13:48:36,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 422. [2021-02-23 13:48:36,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2021-02-23 13:48:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 647 transitions. [2021-02-23 13:48:36,525 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 647 transitions. Word has length 26 [2021-02-23 13:48:36,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:36,526 INFO L480 AbstractCegarLoop]: Abstraction has 422 states and 647 transitions. [2021-02-23 13:48:36,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 647 transitions. [2021-02-23 13:48:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 13:48:36,535 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:36,535 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-02-23 13:48:36,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 13:48:36,536 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:36,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:36,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1383481712, now seen corresponding path program 1 times [2021-02-23 13:48:36,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:36,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864238954] [2021-02-23 13:48:36,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:36,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:36,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:36,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:36,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:36,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:36,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:36,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:36,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:36,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:48:36,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864238954] [2021-02-23 13:48:36,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:36,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:36,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24346366] [2021-02-23 13:48:36,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:36,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:36,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:36,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:36,696 INFO L87 Difference]: Start difference. First operand 422 states and 647 transitions. Second operand 4 states. [2021-02-23 13:48:36,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:36,938 INFO L93 Difference]: Finished difference Result 758 states and 1172 transitions. [2021-02-23 13:48:36,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:36,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-02-23 13:48:36,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:36,942 INFO L225 Difference]: With dead ends: 758 [2021-02-23 13:48:36,942 INFO L226 Difference]: Without dead ends: 343 [2021-02-23 13:48:36,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:36,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-02-23 13:48:36,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2021-02-23 13:48:36,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2021-02-23 13:48:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 526 transitions. [2021-02-23 13:48:36,959 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 526 transitions. Word has length 33 [2021-02-23 13:48:36,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:36,960 INFO L480 AbstractCegarLoop]: Abstraction has 343 states and 526 transitions. [2021-02-23 13:48:36,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 526 transitions. [2021-02-23 13:48:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-23 13:48:36,961 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:36,962 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:36,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 13:48:36,962 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:36,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:36,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1089682770, now seen corresponding path program 1 times [2021-02-23 13:48:36,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:36,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130758171] [2021-02-23 13:48:36,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:37,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:37,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:37,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:37,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:37,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:37,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:37,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:37,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:37,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:48:37,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130758171] [2021-02-23 13:48:37,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:37,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:37,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715001731] [2021-02-23 13:48:37,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:37,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:37,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:37,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:37,068 INFO L87 Difference]: Start difference. First operand 343 states and 526 transitions. Second operand 4 states. [2021-02-23 13:48:37,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:37,266 INFO L93 Difference]: Finished difference Result 668 states and 1033 transitions. [2021-02-23 13:48:37,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:37,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-02-23 13:48:37,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:37,270 INFO L225 Difference]: With dead ends: 668 [2021-02-23 13:48:37,271 INFO L226 Difference]: Without dead ends: 337 [2021-02-23 13:48:37,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:37,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-02-23 13:48:37,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2021-02-23 13:48:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2021-02-23 13:48:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 506 transitions. [2021-02-23 13:48:37,285 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 506 transitions. Word has length 37 [2021-02-23 13:48:37,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:37,285 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 506 transitions. [2021-02-23 13:48:37,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 506 transitions. [2021-02-23 13:48:37,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-02-23 13:48:37,290 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:37,290 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:37,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 13:48:37,290 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:37,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:37,291 INFO L82 PathProgramCache]: Analyzing trace with hash -872242034, now seen corresponding path program 1 times [2021-02-23 13:48:37,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:37,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438711114] [2021-02-23 13:48:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:37,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:37,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:37,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:37,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:37,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:37,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:37,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:37,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:37,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:37,432 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:48:37,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438711114] [2021-02-23 13:48:37,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:37,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:37,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824345382] [2021-02-23 13:48:37,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:37,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:37,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:37,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:37,439 INFO L87 Difference]: Start difference. First operand 337 states and 506 transitions. Second operand 4 states. [2021-02-23 13:48:38,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:38,453 INFO L93 Difference]: Finished difference Result 380 states and 547 transitions. [2021-02-23 13:48:38,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:38,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2021-02-23 13:48:38,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:38,456 INFO L225 Difference]: With dead ends: 380 [2021-02-23 13:48:38,457 INFO L226 Difference]: Without dead ends: 343 [2021-02-23 13:48:38,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:38,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-02-23 13:48:38,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 337. [2021-02-23 13:48:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2021-02-23 13:48:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 470 transitions. [2021-02-23 13:48:38,471 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 470 transitions. Word has length 41 [2021-02-23 13:48:38,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:38,472 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 470 transitions. [2021-02-23 13:48:38,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 470 transitions. [2021-02-23 13:48:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-23 13:48:38,473 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:38,473 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:38,474 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 13:48:38,474 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:38,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:38,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1204291268, now seen corresponding path program 1 times [2021-02-23 13:48:38,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:38,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302798107] [2021-02-23 13:48:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:38,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:38,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:38,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:38,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:48:38,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:38,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:38,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:38,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:38,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:48:38,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302798107] [2021-02-23 13:48:38,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:38,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:38,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047570980] [2021-02-23 13:48:38,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:38,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:38,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:38,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:38,576 INFO L87 Difference]: Start difference. First operand 337 states and 470 transitions. Second operand 4 states. [2021-02-23 13:48:38,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:38,852 INFO L93 Difference]: Finished difference Result 639 states and 892 transitions. [2021-02-23 13:48:38,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:38,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2021-02-23 13:48:38,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:38,855 INFO L225 Difference]: With dead ends: 639 [2021-02-23 13:48:38,856 INFO L226 Difference]: Without dead ends: 314 [2021-02-23 13:48:38,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:38,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-02-23 13:48:38,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2021-02-23 13:48:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2021-02-23 13:48:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 433 transitions. [2021-02-23 13:48:38,869 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 433 transitions. Word has length 42 [2021-02-23 13:48:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:38,869 INFO L480 AbstractCegarLoop]: Abstraction has 314 states and 433 transitions. [2021-02-23 13:48:38,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 433 transitions. [2021-02-23 13:48:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-23 13:48:38,870 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:48:38,871 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:48:38,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 13:48:38,871 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:48:38,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:48:38,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1603962462, now seen corresponding path program 1 times [2021-02-23 13:48:38,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:48:38,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666428133] [2021-02-23 13:48:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:48:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:38,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:38,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:38,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:38,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:48:38,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:38,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:38,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:48:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:48:38,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:48:38,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:48:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:48:38,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666428133] [2021-02-23 13:48:38,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:48:38,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:48:38,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672288163] [2021-02-23 13:48:38,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:48:38,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:48:38,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:48:38,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:48:38,988 INFO L87 Difference]: Start difference. First operand 314 states and 433 transitions. Second operand 4 states. [2021-02-23 13:48:39,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:48:39,587 INFO L93 Difference]: Finished difference Result 478 states and 669 transitions. [2021-02-23 13:48:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:48:39,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2021-02-23 13:48:39,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:48:39,588 INFO L225 Difference]: With dead ends: 478 [2021-02-23 13:48:39,589 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 13:48:39,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:48:39,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 13:48:39,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 13:48:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 13:48:39,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 13:48:39,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2021-02-23 13:48:39,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:48:39,591 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 13:48:39,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:48:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 13:48:39,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 13:48:39,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 13:48:39,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 13:48:39,915 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 23 [2021-02-23 13:48:40,084 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 16 [2021-02-23 13:48:40,088 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-02-23 13:48:40,089 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-02-23 13:48:40,089 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-02-23 13:48:40,089 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:48:40,089 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~m_update~0 |old(~m_update~0)|) (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~m_dataReceived~0 |old(~m_dataReceived~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~m_init~0 |old(~m_init~0)|) (= ~m_Accelerometer~0 |old(~m_Accelerometer~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= ~m_connect_2~0 |old(~m_connect_2~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~m_getValueX~0 |old(~m_getValueX~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~m_getValueY~0 |old(~m_getValueY~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~m_disconnect~0 |old(~m_disconnect~0)|)) [2021-02-23 13:48:40,089 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:48:40,089 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:48:40,089 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 13:48:40,090 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 18 1257) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point L961(lines 961 963) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point L829(lines 829 840) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point L169(lines 169 180) no Hoare annotation was computed. [2021-02-23 13:48:40,090 INFO L189 CegarLoopUtils]: For program point L897(lines 897 899) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L765(lines 765 776) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L699(lines 699 714) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L369(lines 369 371) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L237(lines 237 239) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L105(lines 105 107) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L833(lines 833 835) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L701(lines 701 712) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L635(lines 635 650) no Hoare annotation was computed. [2021-02-23 13:48:40,091 INFO L189 CegarLoopUtils]: For program point L173(lines 173 175) no Hoare annotation was computed. [2021-02-23 13:48:40,092 INFO L189 CegarLoopUtils]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2021-02-23 13:48:40,092 INFO L189 CegarLoopUtils]: For program point L769(lines 769 771) no Hoare annotation was computed. [2021-02-23 13:48:40,092 INFO L189 CegarLoopUtils]: For program point L637(lines 637 648) no Hoare annotation was computed. [2021-02-23 13:48:40,092 INFO L189 CegarLoopUtils]: For program point L571(lines 571 586) no Hoare annotation was computed. [2021-02-23 13:48:40,092 INFO L189 CegarLoopUtils]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2021-02-23 13:48:40,092 INFO L189 CegarLoopUtils]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2021-02-23 13:48:40,092 INFO L189 CegarLoopUtils]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2021-02-23 13:48:40,093 INFO L189 CegarLoopUtils]: For program point L705(lines 705 707) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L573(lines 573 584) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L507(lines 507 522) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L46(lines 46 65) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L971(lines 971 986) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L641(lines 641 643) no Hoare annotation was computed. [2021-02-23 13:48:40,094 INFO L189 CegarLoopUtils]: For program point L509(lines 509 520) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L443(lines 443 458) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L311(lines 311 326) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L47(lines 47 62) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L973(lines 973 984) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L907(lines 907 922) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L445(lines 445 456) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L379(lines 379 394) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L313(lines 313 324) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L189 CegarLoopUtils]: For program point L247(lines 247 262) no Hoare annotation was computed. [2021-02-23 13:48:40,095 INFO L185 CegarLoopUtils]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L115(lines 115 130) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L909(lines 909 920) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L843(lines 843 858) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L513(lines 513 515) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L381(lines 381 392) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L249(lines 249 260) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L183(lines 183 198) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L117(lines 117 128) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L977(lines 977 979) no Hoare annotation was computed. [2021-02-23 13:48:40,096 INFO L189 CegarLoopUtils]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L779(lines 779 794) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L449(lines 449 451) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L317(lines 317 319) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L185(lines 185 196) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L53(lines 53 55) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L913(lines 913 915) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L781(lines 781 792) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L715(lines 715 730) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L385(lines 385 387) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L253(lines 253 255) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L121(lines 121 123) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L849(lines 849 851) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L717(lines 717 728) no Hoare annotation was computed. [2021-02-23 13:48:40,097 INFO L189 CegarLoopUtils]: For program point L651(lines 651 666) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L189(lines 189 191) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L785(lines 785 787) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L653(lines 653 664) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L587(lines 587 602) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L185 CegarLoopUtils]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse2 (= main_~this_m_conn~0 1)) (.cse0 (= main_~this_m_delta~0 1)) (.cse1 (= main_~this_m_conn_data_listener~0 0))) (or (and .cse0 (<= 4 main_~q~0) .cse1 .cse2) (and .cse0 (= main_~q~0 3) .cse2 (= main_~this_m_conn_data_listener~0 1)) (and .cse0 (= main_~q~0 0)) (and .cse0 (= main_~this_m_conn~0 0) .cse1 (= main_~q~0 2)))) [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L721(lines 721 723) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L589(lines 589 600) no Hoare annotation was computed. [2021-02-23 13:48:40,098 INFO L189 CegarLoopUtils]: For program point L523(lines 523 538) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L657(lines 657 659) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L525(lines 525 536) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L459(lines 459 474) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2021-02-23 13:48:40,099 INFO L189 CegarLoopUtils]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L923(lines 923 938) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L593(lines 593 595) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L461(lines 461 472) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L395(lines 395 410) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L263(lines 263 278) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L131(lines 131 146) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L66(lines 66 149) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L925(lines 925 936) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L859(lines 859 874) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L529(lines 529 531) no Hoare annotation was computed. [2021-02-23 13:48:40,100 INFO L189 CegarLoopUtils]: For program point L397(lines 397 408) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L331(lines 331 346) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L265(lines 265 276) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L199(lines 199 214) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L133(lines 133 144) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L67(lines 67 82) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L861(lines 861 872) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L795(lines 795 810) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L465(lines 465 467) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L333(lines 333 344) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L69(lines 69 80) no Hoare annotation was computed. [2021-02-23 13:48:40,101 INFO L189 CegarLoopUtils]: For program point L929(lines 929 931) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L797(lines 797 808) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L731(lines 731 746) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L269(lines 269 271) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 18 1257) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L137(lines 137 139) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L865(lines 865 867) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L733(lines 733 744) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L667(lines 667 682) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L337(lines 337 339) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L205(lines 205 207) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L73(lines 73 75) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L801(lines 801 803) no Hoare annotation was computed. [2021-02-23 13:48:40,102 INFO L189 CegarLoopUtils]: For program point L669(lines 669 680) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L603(lines 603 618) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L737(lines 737 739) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L605(lines 605 616) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L539(lines 539 554) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L673(lines 673 675) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L541(lines 541 552) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L475(lines 475 490) no Hoare annotation was computed. [2021-02-23 13:48:40,103 INFO L189 CegarLoopUtils]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1256) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point L939(lines 939 954) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point L609(lines 609 611) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point L477(lines 477 488) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point L411(lines 411 426) no Hoare annotation was computed. [2021-02-23 13:48:40,104 INFO L189 CegarLoopUtils]: For program point L279(lines 279 294) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L941(lines 941 952) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L875(lines 875 890) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L545(lines 545 547) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L413(lines 413 424) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L347(lines 347 362) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-02-23 13:48:40,105 INFO L189 CegarLoopUtils]: For program point L215(lines 215 230) no Hoare annotation was computed. [2021-02-23 13:48:40,106 INFO L189 CegarLoopUtils]: For program point L83(lines 83 98) no Hoare annotation was computed. [2021-02-23 13:48:40,106 INFO L189 CegarLoopUtils]: For program point L150(lines 150 329) no Hoare annotation was computed. [2021-02-23 13:48:40,106 INFO L189 CegarLoopUtils]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2021-02-23 13:48:40,106 INFO L189 CegarLoopUtils]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2021-02-23 13:48:40,106 INFO L189 CegarLoopUtils]: For program point L877(lines 877 888) no Hoare annotation was computed. [2021-02-23 13:48:40,106 INFO L189 CegarLoopUtils]: For program point L811(lines 811 826) no Hoare annotation was computed. [2021-02-23 13:48:40,106 INFO L189 CegarLoopUtils]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-02-23 13:48:40,106 INFO L189 CegarLoopUtils]: For program point L349(lines 349 360) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L217(lines 217 228) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L151(lines 151 166) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L85(lines 85 96) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L945(lines 945 947) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L813(lines 813 824) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L747(lines 747 762) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L417(lines 417 419) no Hoare annotation was computed. [2021-02-23 13:48:40,107 INFO L189 CegarLoopUtils]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L153(lines 153 164) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L881(lines 881 883) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L749(lines 749 760) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L683(lines 683 698) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L89(lines 89 91) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L817(lines 817 819) no Hoare annotation was computed. [2021-02-23 13:48:40,108 INFO L189 CegarLoopUtils]: For program point L685(lines 685 696) no Hoare annotation was computed. [2021-02-23 13:48:40,109 INFO L189 CegarLoopUtils]: For program point L619(lines 619 634) no Hoare annotation was computed. [2021-02-23 13:48:40,109 INFO L189 CegarLoopUtils]: For program point L157(lines 157 159) no Hoare annotation was computed. [2021-02-23 13:48:40,109 INFO L189 CegarLoopUtils]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2021-02-23 13:48:40,109 INFO L189 CegarLoopUtils]: For program point L753(lines 753 755) no Hoare annotation was computed. [2021-02-23 13:48:40,109 INFO L189 CegarLoopUtils]: For program point L621(lines 621 632) no Hoare annotation was computed. [2021-02-23 13:48:40,109 INFO L189 CegarLoopUtils]: For program point L555(lines 555 570) no Hoare annotation was computed. [2021-02-23 13:48:40,109 INFO L189 CegarLoopUtils]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2021-02-23 13:48:40,109 INFO L189 CegarLoopUtils]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2021-02-23 13:48:40,110 INFO L189 CegarLoopUtils]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2021-02-23 13:48:40,110 INFO L189 CegarLoopUtils]: For program point L689(lines 689 691) no Hoare annotation was computed. [2021-02-23 13:48:40,110 INFO L189 CegarLoopUtils]: For program point L557(lines 557 568) no Hoare annotation was computed. [2021-02-23 13:48:40,110 INFO L189 CegarLoopUtils]: For program point L491(lines 491 506) no Hoare annotation was computed. [2021-02-23 13:48:40,110 INFO L189 CegarLoopUtils]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2021-02-23 13:48:40,110 INFO L189 CegarLoopUtils]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2021-02-23 13:48:40,110 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 18 1257) the Hoare annotation is: true [2021-02-23 13:48:40,110 INFO L189 CegarLoopUtils]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2021-02-23 13:48:40,110 INFO L189 CegarLoopUtils]: For program point L955(lines 955 970) no Hoare annotation was computed. [2021-02-23 13:48:40,111 INFO L189 CegarLoopUtils]: For program point L625(lines 625 627) no Hoare annotation was computed. [2021-02-23 13:48:40,111 INFO L189 CegarLoopUtils]: For program point L493(lines 493 504) no Hoare annotation was computed. [2021-02-23 13:48:40,111 INFO L189 CegarLoopUtils]: For program point L427(lines 427 442) no Hoare annotation was computed. [2021-02-23 13:48:40,111 INFO L189 CegarLoopUtils]: For program point L295(lines 295 310) no Hoare annotation was computed. [2021-02-23 13:48:40,111 INFO L189 CegarLoopUtils]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2021-02-23 13:48:40,111 INFO L189 CegarLoopUtils]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2021-02-23 13:48:40,111 INFO L189 CegarLoopUtils]: For program point L957(lines 957 968) no Hoare annotation was computed. [2021-02-23 13:48:40,111 INFO L189 CegarLoopUtils]: For program point L891(lines 891 906) no Hoare annotation was computed. [2021-02-23 13:48:40,112 INFO L189 CegarLoopUtils]: For program point L561(lines 561 563) no Hoare annotation was computed. [2021-02-23 13:48:40,112 INFO L189 CegarLoopUtils]: For program point L429(lines 429 440) no Hoare annotation was computed. [2021-02-23 13:48:40,112 INFO L189 CegarLoopUtils]: For program point L363(lines 363 378) no Hoare annotation was computed. [2021-02-23 13:48:40,112 INFO L189 CegarLoopUtils]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-02-23 13:48:40,112 INFO L189 CegarLoopUtils]: For program point L231(lines 231 246) no Hoare annotation was computed. [2021-02-23 13:48:40,112 INFO L189 CegarLoopUtils]: For program point L99(lines 99 114) no Hoare annotation was computed. [2021-02-23 13:48:40,112 INFO L189 CegarLoopUtils]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2021-02-23 13:48:40,112 INFO L189 CegarLoopUtils]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2021-02-23 13:48:40,113 INFO L185 CegarLoopUtils]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= main_~this_m_delta~0 1)) (.cse1 (= main_~this_m_conn_data_listener~0 0))) (or (and .cse0 (<= 4 main_~q~0) .cse1 (= main_~this_m_conn~0 1)) (and .cse0 (= main_~q~0 0) (= main_~this_m_conn~0 0) .cse1))) [2021-02-23 13:48:40,113 INFO L189 CegarLoopUtils]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2021-02-23 13:48:40,113 INFO L189 CegarLoopUtils]: For program point L893(lines 893 904) no Hoare annotation was computed. [2021-02-23 13:48:40,113 INFO L189 CegarLoopUtils]: For program point L827(lines 827 842) no Hoare annotation was computed. [2021-02-23 13:48:40,113 INFO L189 CegarLoopUtils]: For program point L497(lines 497 499) no Hoare annotation was computed. [2021-02-23 13:48:40,113 INFO L189 CegarLoopUtils]: For program point L365(lines 365 376) no Hoare annotation was computed. [2021-02-23 13:48:40,113 INFO L189 CegarLoopUtils]: For program point L233(lines 233 244) no Hoare annotation was computed. [2021-02-23 13:48:40,113 INFO L189 CegarLoopUtils]: For program point L167(lines 167 182) no Hoare annotation was computed. [2021-02-23 13:48:40,114 INFO L189 CegarLoopUtils]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-02-23 13:48:40,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:48:40 BoogieIcfgContainer [2021-02-23 13:48:40,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:48:40,139 INFO L168 Benchmark]: Toolchain (without parser) took 14649.09 ms. Allocated memory was 156.2 MB in the beginning and 363.9 MB in the end (delta: 207.6 MB). Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 237.1 kB). Peak memory consumption was 208.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:48:40,139 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:48:40,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1377.96 ms. Allocated memory was 156.2 MB in the beginning and 201.3 MB in the end (delta: 45.1 MB). Free memory was 120.0 MB in the beginning and 133.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2021-02-23 13:48:40,140 INFO L168 Benchmark]: Boogie Preprocessor took 261.46 ms. Allocated memory is still 201.3 MB. Free memory was 133.7 MB in the beginning and 158.3 MB in the end (delta: -24.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:48:40,141 INFO L168 Benchmark]: RCFGBuilder took 2241.78 ms. Allocated memory was 201.3 MB in the beginning and 303.0 MB in the end (delta: 101.7 MB). Free memory was 158.3 MB in the beginning and 210.8 MB in the end (delta: -52.4 MB). Peak memory consumption was 71.8 MB. Max. memory is 8.0 GB. [2021-02-23 13:48:40,141 INFO L168 Benchmark]: TraceAbstraction took 10745.46 ms. Allocated memory was 303.0 MB in the beginning and 363.9 MB in the end (delta: 60.8 MB). Free memory was 210.2 MB in the beginning and 121.1 MB in the end (delta: 89.1 MB). Peak memory consumption was 149.9 MB. Max. memory is 8.0 GB. [2021-02-23 13:48:40,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1377.96 ms. Allocated memory was 156.2 MB in the beginning and 201.3 MB in the end (delta: 45.1 MB). Free memory was 120.0 MB in the beginning and 133.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 261.46 ms. Allocated memory is still 201.3 MB. Free memory was 133.7 MB in the beginning and 158.3 MB in the end (delta: -24.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2241.78 ms. Allocated memory was 201.3 MB in the beginning and 303.0 MB in the end (delta: 101.7 MB). Free memory was 158.3 MB in the beginning and 210.8 MB in the end (delta: -52.4 MB). Peak memory consumption was 71.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10745.46 ms. Allocated memory was 303.0 MB in the beginning and 363.9 MB in the end (delta: 60.8 MB). Free memory was 210.2 MB in the beginning and 121.1 MB in the end (delta: 89.1 MB). Peak memory consumption was 149.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1256]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((this_m_delta == 1 && 4 <= q) && this_m_conn_data_listener == 0) && this_m_conn == 1) || (((this_m_delta == 1 && q == 3) && this_m_conn == 1) && this_m_conn_data_listener == 1)) || (this_m_delta == 1 && q == 0)) || (((this_m_delta == 1 && this_m_conn == 0) && this_m_conn_data_listener == 0) && q == 2) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((this_m_delta == 1 && 4 <= q) && this_m_conn_data_listener == 0) && this_m_conn == 1) || (((this_m_delta == 1 && q == 0) && this_m_conn == 0) && this_m_conn_data_listener == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3857 SDtfs, 5555 SDslu, 63 SDs, 0 SdLazy, 2294 SolverSat, 394 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 136 HoareAnnotationTreeSize, 7 FomulaSimplifications, 372 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 408 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 313 NumberOfCodeBlocks, 313 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 302 ConstructedInterpolants, 0 QuantifiedInterpolants, 31282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 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...