/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/psyco/psyco_io_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 02:20:23,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 02:20:23,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 02:20:23,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 02:20:23,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 02:20:23,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 02:20:23,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 02:20:23,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 02:20:23,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 02:20:23,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 02:20:23,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 02:20:23,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 02:20:23,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 02:20:23,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 02:20:23,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 02:20:23,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 02:20:23,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 02:20:23,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 02:20:23,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 02:20:23,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 02:20:23,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 02:20:23,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 02:20:23,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 02:20:23,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 02:20:23,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-11 02:20:23,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 02:20:23,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 02:20:23,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 02:20:23,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 02:20:23,700 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 02:20:23,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 02:20:23,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 02:20:23,703 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 02:20:23,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 02:20:23,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 02:20:23,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 02:20:23,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 02:20:23,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 02:20:23,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 02:20:23,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 02:20:23,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 02:20:23,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 02:20:23,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 02:20:23,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 02:20:23,711 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 02:20:23,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 02:20:23,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 02:20:23,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 02:20:23,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 02:20:23,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 02:20:23,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 02:20:23,715 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 02:20:23,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 02:20:23,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 02:20:23,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 02:20:23,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 02:20:23,990 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 02:20:23,991 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c [2020-07-11 02:20:24,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dabe587/929102af7c774c9196f252aa5c2ab0ec/FLAG0f7d6fb52 [2020-07-11 02:20:24,537 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 02:20:24,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c [2020-07-11 02:20:24,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dabe587/929102af7c774c9196f252aa5c2ab0ec/FLAG0f7d6fb52 [2020-07-11 02:20:24,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dabe587/929102af7c774c9196f252aa5c2ab0ec [2020-07-11 02:20:24,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 02:20:24,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 02:20:24,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 02:20:24,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 02:20:24,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 02:20:24,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:20:24" (1/1) ... [2020-07-11 02:20:24,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ec73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:24, skipping insertion in model container [2020-07-11 02:20:24,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:20:24" (1/1) ... [2020-07-11 02:20:24,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 02:20:24,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 02:20:25,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:20:25,146 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 02:20:25,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:20:25,292 INFO L208 MainTranslator]: Completed translation [2020-07-11 02:20:25,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25 WrapperNode [2020-07-11 02:20:25,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 02:20:25,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 02:20:25,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 02:20:25,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 02:20:25,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (1/1) ... [2020-07-11 02:20:25,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (1/1) ... [2020-07-11 02:20:25,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (1/1) ... [2020-07-11 02:20:25,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (1/1) ... [2020-07-11 02:20:25,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (1/1) ... [2020-07-11 02:20:25,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (1/1) ... [2020-07-11 02:20:25,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (1/1) ... [2020-07-11 02:20:25,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 02:20:25,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 02:20:25,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 02:20:25,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 02:20:25,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 02:20:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 02:20:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 02:20:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 02:20:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 02:20:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 02:20:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 02:20:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 02:20:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 02:20:26,198 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 02:20:26,199 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-11 02:20:26,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:20:26 BoogieIcfgContainer [2020-07-11 02:20:26,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 02:20:26,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 02:20:26,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 02:20:26,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 02:20:26,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 02:20:24" (1/3) ... [2020-07-11 02:20:26,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3b5dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:20:26, skipping insertion in model container [2020-07-11 02:20:26,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:20:25" (2/3) ... [2020-07-11 02:20:26,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3b5dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:20:26, skipping insertion in model container [2020-07-11 02:20:26,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:20:26" (3/3) ... [2020-07-11 02:20:26,227 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_io_1.c [2020-07-11 02:20:26,238 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 02:20:26,248 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 02:20:26,263 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 02:20:26,289 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 02:20:26,290 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 02:20:26,290 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 02:20:26,290 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 02:20:26,290 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 02:20:26,291 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 02:20:26,291 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 02:20:26,291 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 02:20:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-07-11 02:20:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-11 02:20:26,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:20:26,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:20:26,340 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:20:26,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:20:26,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1735850516, now seen corresponding path program 1 times [2020-07-11 02:20:26,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:20:26,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730784178] [2020-07-11 02:20:26,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:20:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:26,591 INFO L280 TraceCheckUtils]: 0: Hoare triple {214#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {204#true} is VALID [2020-07-11 02:20:26,592 INFO L280 TraceCheckUtils]: 1: Hoare triple {204#true} ~m_PipedOutputStream~0 := 2; {204#true} is VALID [2020-07-11 02:20:26,592 INFO L280 TraceCheckUtils]: 2: Hoare triple {204#true} ~m_close~0 := 3; {204#true} is VALID [2020-07-11 02:20:26,593 INFO L280 TraceCheckUtils]: 3: Hoare triple {204#true} ~m_write~0 := 4; {204#true} is VALID [2020-07-11 02:20:26,593 INFO L280 TraceCheckUtils]: 4: Hoare triple {204#true} ~m_connect_1~0 := 5; {204#true} is VALID [2020-07-11 02:20:26,594 INFO L280 TraceCheckUtils]: 5: Hoare triple {204#true} ~m_connect_2~0 := 6; {204#true} is VALID [2020-07-11 02:20:26,594 INFO L280 TraceCheckUtils]: 6: Hoare triple {204#true} assume true; {204#true} is VALID [2020-07-11 02:20:26,595 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {204#true} {204#true} #452#return; {204#true} is VALID [2020-07-11 02:20:26,599 INFO L263 TraceCheckUtils]: 0: Hoare triple {204#true} call ULTIMATE.init(); {214#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} is VALID [2020-07-11 02:20:26,600 INFO L280 TraceCheckUtils]: 1: Hoare triple {214#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {204#true} is VALID [2020-07-11 02:20:26,600 INFO L280 TraceCheckUtils]: 2: Hoare triple {204#true} ~m_PipedOutputStream~0 := 2; {204#true} is VALID [2020-07-11 02:20:26,600 INFO L280 TraceCheckUtils]: 3: Hoare triple {204#true} ~m_close~0 := 3; {204#true} is VALID [2020-07-11 02:20:26,601 INFO L280 TraceCheckUtils]: 4: Hoare triple {204#true} ~m_write~0 := 4; {204#true} is VALID [2020-07-11 02:20:26,601 INFO L280 TraceCheckUtils]: 5: Hoare triple {204#true} ~m_connect_1~0 := 5; {204#true} is VALID [2020-07-11 02:20:26,602 INFO L280 TraceCheckUtils]: 6: Hoare triple {204#true} ~m_connect_2~0 := 6; {204#true} is VALID [2020-07-11 02:20:26,602 INFO L280 TraceCheckUtils]: 7: Hoare triple {204#true} assume true; {204#true} is VALID [2020-07-11 02:20:26,602 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {204#true} {204#true} #452#return; {204#true} is VALID [2020-07-11 02:20:26,603 INFO L263 TraceCheckUtils]: 9: Hoare triple {204#true} call #t~ret22 := main(); {204#true} is VALID [2020-07-11 02:20:26,603 INFO L280 TraceCheckUtils]: 10: Hoare triple {204#true} ~q~0 := 0; {204#true} is VALID [2020-07-11 02:20:26,618 INFO L280 TraceCheckUtils]: 11: Hoare triple {204#true} havoc ~method_id~0; {204#true} is VALID [2020-07-11 02:20:26,619 INFO L280 TraceCheckUtils]: 12: Hoare triple {204#true} ~this_sink~0 := 0; {204#true} is VALID [2020-07-11 02:20:26,619 INFO L280 TraceCheckUtils]: 13: Hoare triple {204#true} ~this_sinkConnected~0 := 0; {204#true} is VALID [2020-07-11 02:20:26,619 INFO L280 TraceCheckUtils]: 14: Hoare triple {204#true} goto; {204#true} is VALID [2020-07-11 02:20:26,620 INFO L280 TraceCheckUtils]: 15: Hoare triple {204#true} assume !false; {204#true} is VALID [2020-07-11 02:20:26,620 INFO L280 TraceCheckUtils]: 16: Hoare triple {204#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {204#true} is VALID [2020-07-11 02:20:26,620 INFO L280 TraceCheckUtils]: 17: Hoare triple {204#true} ~P1~0 := #t~nondet0; {204#true} is VALID [2020-07-11 02:20:26,621 INFO L280 TraceCheckUtils]: 18: Hoare triple {204#true} havoc #t~nondet0; {204#true} is VALID [2020-07-11 02:20:26,621 INFO L280 TraceCheckUtils]: 19: Hoare triple {204#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {204#true} is VALID [2020-07-11 02:20:26,622 INFO L280 TraceCheckUtils]: 20: Hoare triple {204#true} ~P2~0 := #t~nondet1; {204#true} is VALID [2020-07-11 02:20:26,622 INFO L280 TraceCheckUtils]: 21: Hoare triple {204#true} havoc #t~nondet1; {204#true} is VALID [2020-07-11 02:20:26,622 INFO L280 TraceCheckUtils]: 22: Hoare triple {204#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {204#true} is VALID [2020-07-11 02:20:26,622 INFO L280 TraceCheckUtils]: 23: Hoare triple {204#true} ~P3~0 := #t~nondet2; {204#true} is VALID [2020-07-11 02:20:26,623 INFO L280 TraceCheckUtils]: 24: Hoare triple {204#true} havoc #t~nondet2; {204#true} is VALID [2020-07-11 02:20:26,623 INFO L280 TraceCheckUtils]: 25: Hoare triple {204#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {204#true} is VALID [2020-07-11 02:20:26,623 INFO L280 TraceCheckUtils]: 26: Hoare triple {204#true} ~P4~0 := #t~nondet3; {204#true} is VALID [2020-07-11 02:20:26,624 INFO L280 TraceCheckUtils]: 27: Hoare triple {204#true} havoc #t~nondet3; {204#true} is VALID [2020-07-11 02:20:26,624 INFO L280 TraceCheckUtils]: 28: Hoare triple {204#true} assume 0 == ~q~0; {204#true} is VALID [2020-07-11 02:20:26,624 INFO L280 TraceCheckUtils]: 29: Hoare triple {204#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {204#true} is VALID [2020-07-11 02:20:26,625 INFO L280 TraceCheckUtils]: 30: Hoare triple {204#true} assume 0 != #t~nondet4; {204#true} is VALID [2020-07-11 02:20:26,625 INFO L280 TraceCheckUtils]: 31: Hoare triple {204#true} havoc #t~nondet4; {204#true} is VALID [2020-07-11 02:20:26,625 INFO L280 TraceCheckUtils]: 32: Hoare triple {204#true} ~method_id~0 := 2; {204#true} is VALID [2020-07-11 02:20:26,627 INFO L280 TraceCheckUtils]: 33: Hoare triple {204#true} assume false; {205#false} is VALID [2020-07-11 02:20:26,627 INFO L280 TraceCheckUtils]: 34: Hoare triple {205#false} assume !false; {205#false} is VALID [2020-07-11 02:20:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:20:26,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730784178] [2020-07-11 02:20:26,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:20:26,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 02:20:26,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218643511] [2020-07-11 02:20:26,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-11 02:20:26,646 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:20:26,650 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 02:20:26,706 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:26,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 02:20:26,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:20:26,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 02:20:26,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 02:20:26,719 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 3 states. [2020-07-11 02:20:27,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:27,983 INFO L93 Difference]: Finished difference Result 368 states and 482 transitions. [2020-07-11 02:20:27,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 02:20:27,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-11 02:20:27,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:20:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 02:20:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2020-07-11 02:20:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 02:20:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2020-07-11 02:20:28,036 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 482 transitions. [2020-07-11 02:20:28,663 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 482 edges. 482 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:28,683 INFO L225 Difference]: With dead ends: 368 [2020-07-11 02:20:28,683 INFO L226 Difference]: Without dead ends: 163 [2020-07-11 02:20:28,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 02:20:28,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-11 02:20:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-11 02:20:29,258 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:20:29,259 INFO L82 GeneralOperation]: Start isEquivalent. First operand 163 states. Second operand 163 states. [2020-07-11 02:20:29,260 INFO L74 IsIncluded]: Start isIncluded. First operand 163 states. Second operand 163 states. [2020-07-11 02:20:29,260 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 163 states. [2020-07-11 02:20:29,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:29,276 INFO L93 Difference]: Finished difference Result 163 states and 193 transitions. [2020-07-11 02:20:29,276 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-07-11 02:20:29,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:29,281 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:29,281 INFO L74 IsIncluded]: Start isIncluded. First operand 163 states. Second operand 163 states. [2020-07-11 02:20:29,282 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 163 states. [2020-07-11 02:20:29,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:29,292 INFO L93 Difference]: Finished difference Result 163 states and 193 transitions. [2020-07-11 02:20:29,294 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-07-11 02:20:29,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:29,302 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:29,303 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:20:29,304 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:20:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-11 02:20:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2020-07-11 02:20:29,313 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 35 [2020-07-11 02:20:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:20:29,314 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2020-07-11 02:20:29,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 02:20:29,315 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 163 states and 193 transitions. [2020-07-11 02:20:29,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 193 edges. 193 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-07-11 02:20:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-11 02:20:29,585 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:20:29,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:20:29,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 02:20:29,586 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:20:29,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:20:29,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1081886035, now seen corresponding path program 1 times [2020-07-11 02:20:29,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:20:29,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282379198] [2020-07-11 02:20:29,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:20:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:29,697 INFO L280 TraceCheckUtils]: 0: Hoare triple {1616#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {1605#true} is VALID [2020-07-11 02:20:29,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {1605#true} ~m_PipedOutputStream~0 := 2; {1605#true} is VALID [2020-07-11 02:20:29,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {1605#true} ~m_close~0 := 3; {1605#true} is VALID [2020-07-11 02:20:29,698 INFO L280 TraceCheckUtils]: 3: Hoare triple {1605#true} ~m_write~0 := 4; {1605#true} is VALID [2020-07-11 02:20:29,698 INFO L280 TraceCheckUtils]: 4: Hoare triple {1605#true} ~m_connect_1~0 := 5; {1605#true} is VALID [2020-07-11 02:20:29,698 INFO L280 TraceCheckUtils]: 5: Hoare triple {1605#true} ~m_connect_2~0 := 6; {1605#true} is VALID [2020-07-11 02:20:29,699 INFO L280 TraceCheckUtils]: 6: Hoare triple {1605#true} assume true; {1605#true} is VALID [2020-07-11 02:20:29,699 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1605#true} {1605#true} #452#return; {1605#true} is VALID [2020-07-11 02:20:29,701 INFO L263 TraceCheckUtils]: 0: Hoare triple {1605#true} call ULTIMATE.init(); {1616#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} is VALID [2020-07-11 02:20:29,701 INFO L280 TraceCheckUtils]: 1: Hoare triple {1616#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {1605#true} is VALID [2020-07-11 02:20:29,702 INFO L280 TraceCheckUtils]: 2: Hoare triple {1605#true} ~m_PipedOutputStream~0 := 2; {1605#true} is VALID [2020-07-11 02:20:29,702 INFO L280 TraceCheckUtils]: 3: Hoare triple {1605#true} ~m_close~0 := 3; {1605#true} is VALID [2020-07-11 02:20:29,702 INFO L280 TraceCheckUtils]: 4: Hoare triple {1605#true} ~m_write~0 := 4; {1605#true} is VALID [2020-07-11 02:20:29,703 INFO L280 TraceCheckUtils]: 5: Hoare triple {1605#true} ~m_connect_1~0 := 5; {1605#true} is VALID [2020-07-11 02:20:29,703 INFO L280 TraceCheckUtils]: 6: Hoare triple {1605#true} ~m_connect_2~0 := 6; {1605#true} is VALID [2020-07-11 02:20:29,703 INFO L280 TraceCheckUtils]: 7: Hoare triple {1605#true} assume true; {1605#true} is VALID [2020-07-11 02:20:29,703 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1605#true} {1605#true} #452#return; {1605#true} is VALID [2020-07-11 02:20:29,704 INFO L263 TraceCheckUtils]: 9: Hoare triple {1605#true} call #t~ret22 := main(); {1605#true} is VALID [2020-07-11 02:20:29,705 INFO L280 TraceCheckUtils]: 10: Hoare triple {1605#true} ~q~0 := 0; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,706 INFO L280 TraceCheckUtils]: 11: Hoare triple {1615#(= 0 main_~q~0)} havoc ~method_id~0; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,706 INFO L280 TraceCheckUtils]: 12: Hoare triple {1615#(= 0 main_~q~0)} ~this_sink~0 := 0; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,707 INFO L280 TraceCheckUtils]: 13: Hoare triple {1615#(= 0 main_~q~0)} ~this_sinkConnected~0 := 0; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,708 INFO L280 TraceCheckUtils]: 14: Hoare triple {1615#(= 0 main_~q~0)} goto; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,708 INFO L280 TraceCheckUtils]: 15: Hoare triple {1615#(= 0 main_~q~0)} assume !false; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,709 INFO L280 TraceCheckUtils]: 16: Hoare triple {1615#(= 0 main_~q~0)} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,710 INFO L280 TraceCheckUtils]: 17: Hoare triple {1615#(= 0 main_~q~0)} ~P1~0 := #t~nondet0; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,711 INFO L280 TraceCheckUtils]: 18: Hoare triple {1615#(= 0 main_~q~0)} havoc #t~nondet0; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,711 INFO L280 TraceCheckUtils]: 19: Hoare triple {1615#(= 0 main_~q~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,712 INFO L280 TraceCheckUtils]: 20: Hoare triple {1615#(= 0 main_~q~0)} ~P2~0 := #t~nondet1; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,713 INFO L280 TraceCheckUtils]: 21: Hoare triple {1615#(= 0 main_~q~0)} havoc #t~nondet1; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,714 INFO L280 TraceCheckUtils]: 22: Hoare triple {1615#(= 0 main_~q~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,714 INFO L280 TraceCheckUtils]: 23: Hoare triple {1615#(= 0 main_~q~0)} ~P3~0 := #t~nondet2; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,715 INFO L280 TraceCheckUtils]: 24: Hoare triple {1615#(= 0 main_~q~0)} havoc #t~nondet2; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,716 INFO L280 TraceCheckUtils]: 25: Hoare triple {1615#(= 0 main_~q~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,716 INFO L280 TraceCheckUtils]: 26: Hoare triple {1615#(= 0 main_~q~0)} ~P4~0 := #t~nondet3; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,717 INFO L280 TraceCheckUtils]: 27: Hoare triple {1615#(= 0 main_~q~0)} havoc #t~nondet3; {1615#(= 0 main_~q~0)} is VALID [2020-07-11 02:20:29,718 INFO L280 TraceCheckUtils]: 28: Hoare triple {1615#(= 0 main_~q~0)} assume !(0 == ~q~0); {1606#false} is VALID [2020-07-11 02:20:29,718 INFO L280 TraceCheckUtils]: 29: Hoare triple {1606#false} assume 1 == ~q~0; {1606#false} is VALID [2020-07-11 02:20:29,719 INFO L280 TraceCheckUtils]: 30: Hoare triple {1606#false} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {1606#false} is VALID [2020-07-11 02:20:29,719 INFO L280 TraceCheckUtils]: 31: Hoare triple {1606#false} assume 0 != #t~nondet5; {1606#false} is VALID [2020-07-11 02:20:29,719 INFO L280 TraceCheckUtils]: 32: Hoare triple {1606#false} havoc #t~nondet5; {1606#false} is VALID [2020-07-11 02:20:29,720 INFO L280 TraceCheckUtils]: 33: Hoare triple {1606#false} ~method_id~0 := 4; {1606#false} is VALID [2020-07-11 02:20:29,720 INFO L280 TraceCheckUtils]: 34: Hoare triple {1606#false} assume 0 != ~this_sink~0; {1606#false} is VALID [2020-07-11 02:20:29,720 INFO L280 TraceCheckUtils]: 35: Hoare triple {1606#false} assume !false; {1606#false} is VALID [2020-07-11 02:20:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:20:29,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282379198] [2020-07-11 02:20:29,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:20:29,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 02:20:29,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279342385] [2020-07-11 02:20:29,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-07-11 02:20:29,739 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:20:29,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 02:20:29,774 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:29,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 02:20:29,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:20:29,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 02:20:29,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 02:20:29,775 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 4 states. [2020-07-11 02:20:31,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:31,126 INFO L93 Difference]: Finished difference Result 327 states and 388 transitions. [2020-07-11 02:20:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 02:20:31,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-07-11 02:20:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:20:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 388 transitions. [2020-07-11 02:20:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 388 transitions. [2020-07-11 02:20:31,139 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 388 transitions. [2020-07-11 02:20:31,600 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 388 edges. 388 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:31,607 INFO L225 Difference]: With dead ends: 327 [2020-07-11 02:20:31,607 INFO L226 Difference]: Without dead ends: 178 [2020-07-11 02:20:31,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-11 02:20:31,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-07-11 02:20:32,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-07-11 02:20:32,143 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:20:32,143 INFO L82 GeneralOperation]: Start isEquivalent. First operand 178 states. Second operand 178 states. [2020-07-11 02:20:32,143 INFO L74 IsIncluded]: Start isIncluded. First operand 178 states. Second operand 178 states. [2020-07-11 02:20:32,143 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 178 states. [2020-07-11 02:20:32,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:32,150 INFO L93 Difference]: Finished difference Result 178 states and 208 transitions. [2020-07-11 02:20:32,151 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 208 transitions. [2020-07-11 02:20:32,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:32,151 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:32,152 INFO L74 IsIncluded]: Start isIncluded. First operand 178 states. Second operand 178 states. [2020-07-11 02:20:32,152 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 178 states. [2020-07-11 02:20:32,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:32,158 INFO L93 Difference]: Finished difference Result 178 states and 208 transitions. [2020-07-11 02:20:32,158 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 208 transitions. [2020-07-11 02:20:32,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:32,159 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:32,159 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:20:32,159 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:20:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-07-11 02:20:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 208 transitions. [2020-07-11 02:20:32,166 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 208 transitions. Word has length 36 [2020-07-11 02:20:32,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:20:32,166 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 208 transitions. [2020-07-11 02:20:32,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 02:20:32,166 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 178 states and 208 transitions. [2020-07-11 02:20:32,462 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 208 edges. 208 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 208 transitions. [2020-07-11 02:20:32,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-11 02:20:32,464 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:20:32,464 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:20:32,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 02:20:32,465 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:20:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:20:32,466 INFO L82 PathProgramCache]: Analyzing trace with hash 989236732, now seen corresponding path program 1 times [2020-07-11 02:20:32,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:20:32,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984519010] [2020-07-11 02:20:32,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:20:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:32,557 INFO L280 TraceCheckUtils]: 0: Hoare triple {2998#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {2987#true} is VALID [2020-07-11 02:20:32,557 INFO L280 TraceCheckUtils]: 1: Hoare triple {2987#true} ~m_PipedOutputStream~0 := 2; {2987#true} is VALID [2020-07-11 02:20:32,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {2987#true} ~m_close~0 := 3; {2987#true} is VALID [2020-07-11 02:20:32,558 INFO L280 TraceCheckUtils]: 3: Hoare triple {2987#true} ~m_write~0 := 4; {2987#true} is VALID [2020-07-11 02:20:32,558 INFO L280 TraceCheckUtils]: 4: Hoare triple {2987#true} ~m_connect_1~0 := 5; {2987#true} is VALID [2020-07-11 02:20:32,558 INFO L280 TraceCheckUtils]: 5: Hoare triple {2987#true} ~m_connect_2~0 := 6; {2987#true} is VALID [2020-07-11 02:20:32,559 INFO L280 TraceCheckUtils]: 6: Hoare triple {2987#true} assume true; {2987#true} is VALID [2020-07-11 02:20:32,559 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {2987#true} {2987#true} #452#return; {2987#true} is VALID [2020-07-11 02:20:32,564 INFO L263 TraceCheckUtils]: 0: Hoare triple {2987#true} call ULTIMATE.init(); {2998#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} is VALID [2020-07-11 02:20:32,564 INFO L280 TraceCheckUtils]: 1: Hoare triple {2998#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {2987#true} is VALID [2020-07-11 02:20:32,564 INFO L280 TraceCheckUtils]: 2: Hoare triple {2987#true} ~m_PipedOutputStream~0 := 2; {2987#true} is VALID [2020-07-11 02:20:32,565 INFO L280 TraceCheckUtils]: 3: Hoare triple {2987#true} ~m_close~0 := 3; {2987#true} is VALID [2020-07-11 02:20:32,565 INFO L280 TraceCheckUtils]: 4: Hoare triple {2987#true} ~m_write~0 := 4; {2987#true} is VALID [2020-07-11 02:20:32,565 INFO L280 TraceCheckUtils]: 5: Hoare triple {2987#true} ~m_connect_1~0 := 5; {2987#true} is VALID [2020-07-11 02:20:32,566 INFO L280 TraceCheckUtils]: 6: Hoare triple {2987#true} ~m_connect_2~0 := 6; {2987#true} is VALID [2020-07-11 02:20:32,566 INFO L280 TraceCheckUtils]: 7: Hoare triple {2987#true} assume true; {2987#true} is VALID [2020-07-11 02:20:32,566 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2987#true} {2987#true} #452#return; {2987#true} is VALID [2020-07-11 02:20:32,566 INFO L263 TraceCheckUtils]: 9: Hoare triple {2987#true} call #t~ret22 := main(); {2987#true} is VALID [2020-07-11 02:20:32,567 INFO L280 TraceCheckUtils]: 10: Hoare triple {2987#true} ~q~0 := 0; {2987#true} is VALID [2020-07-11 02:20:32,567 INFO L280 TraceCheckUtils]: 11: Hoare triple {2987#true} havoc ~method_id~0; {2987#true} is VALID [2020-07-11 02:20:32,567 INFO L280 TraceCheckUtils]: 12: Hoare triple {2987#true} ~this_sink~0 := 0; {2987#true} is VALID [2020-07-11 02:20:32,567 INFO L280 TraceCheckUtils]: 13: Hoare triple {2987#true} ~this_sinkConnected~0 := 0; {2987#true} is VALID [2020-07-11 02:20:32,568 INFO L280 TraceCheckUtils]: 14: Hoare triple {2987#true} goto; {2987#true} is VALID [2020-07-11 02:20:32,568 INFO L280 TraceCheckUtils]: 15: Hoare triple {2987#true} assume !false; {2987#true} is VALID [2020-07-11 02:20:32,568 INFO L280 TraceCheckUtils]: 16: Hoare triple {2987#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2987#true} is VALID [2020-07-11 02:20:32,568 INFO L280 TraceCheckUtils]: 17: Hoare triple {2987#true} ~P1~0 := #t~nondet0; {2987#true} is VALID [2020-07-11 02:20:32,569 INFO L280 TraceCheckUtils]: 18: Hoare triple {2987#true} havoc #t~nondet0; {2987#true} is VALID [2020-07-11 02:20:32,569 INFO L280 TraceCheckUtils]: 19: Hoare triple {2987#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2987#true} is VALID [2020-07-11 02:20:32,569 INFO L280 TraceCheckUtils]: 20: Hoare triple {2987#true} ~P2~0 := #t~nondet1; {2987#true} is VALID [2020-07-11 02:20:32,569 INFO L280 TraceCheckUtils]: 21: Hoare triple {2987#true} havoc #t~nondet1; {2987#true} is VALID [2020-07-11 02:20:32,570 INFO L280 TraceCheckUtils]: 22: Hoare triple {2987#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2987#true} is VALID [2020-07-11 02:20:32,570 INFO L280 TraceCheckUtils]: 23: Hoare triple {2987#true} ~P3~0 := #t~nondet2; {2987#true} is VALID [2020-07-11 02:20:32,570 INFO L280 TraceCheckUtils]: 24: Hoare triple {2987#true} havoc #t~nondet2; {2987#true} is VALID [2020-07-11 02:20:32,570 INFO L280 TraceCheckUtils]: 25: Hoare triple {2987#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2987#true} is VALID [2020-07-11 02:20:32,571 INFO L280 TraceCheckUtils]: 26: Hoare triple {2987#true} ~P4~0 := #t~nondet3; {2987#true} is VALID [2020-07-11 02:20:32,571 INFO L280 TraceCheckUtils]: 27: Hoare triple {2987#true} havoc #t~nondet3; {2987#true} is VALID [2020-07-11 02:20:32,571 INFO L280 TraceCheckUtils]: 28: Hoare triple {2987#true} assume 0 == ~q~0; {2987#true} is VALID [2020-07-11 02:20:32,571 INFO L280 TraceCheckUtils]: 29: Hoare triple {2987#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {2987#true} is VALID [2020-07-11 02:20:32,572 INFO L280 TraceCheckUtils]: 30: Hoare triple {2987#true} assume 0 != #t~nondet4; {2987#true} is VALID [2020-07-11 02:20:32,572 INFO L280 TraceCheckUtils]: 31: Hoare triple {2987#true} havoc #t~nondet4; {2987#true} is VALID [2020-07-11 02:20:32,572 INFO L280 TraceCheckUtils]: 32: Hoare triple {2987#true} ~method_id~0 := 2; {2987#true} is VALID [2020-07-11 02:20:32,573 INFO L280 TraceCheckUtils]: 33: Hoare triple {2987#true} assume !false; {2987#true} is VALID [2020-07-11 02:20:32,574 INFO L280 TraceCheckUtils]: 34: Hoare triple {2987#true} ~q~0 := 2; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,574 INFO L280 TraceCheckUtils]: 35: Hoare triple {2997#(<= 2 main_~q~0)} ~this_sink~0 := 0; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,575 INFO L280 TraceCheckUtils]: 36: Hoare triple {2997#(<= 2 main_~q~0)} ~this_sinkConnected~0 := 0; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,575 INFO L280 TraceCheckUtils]: 37: Hoare triple {2997#(<= 2 main_~q~0)} assume !false; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,576 INFO L280 TraceCheckUtils]: 38: Hoare triple {2997#(<= 2 main_~q~0)} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,576 INFO L280 TraceCheckUtils]: 39: Hoare triple {2997#(<= 2 main_~q~0)} ~P1~0 := #t~nondet0; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,577 INFO L280 TraceCheckUtils]: 40: Hoare triple {2997#(<= 2 main_~q~0)} havoc #t~nondet0; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,578 INFO L280 TraceCheckUtils]: 41: Hoare triple {2997#(<= 2 main_~q~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,578 INFO L280 TraceCheckUtils]: 42: Hoare triple {2997#(<= 2 main_~q~0)} ~P2~0 := #t~nondet1; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,579 INFO L280 TraceCheckUtils]: 43: Hoare triple {2997#(<= 2 main_~q~0)} havoc #t~nondet1; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,579 INFO L280 TraceCheckUtils]: 44: Hoare triple {2997#(<= 2 main_~q~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,580 INFO L280 TraceCheckUtils]: 45: Hoare triple {2997#(<= 2 main_~q~0)} ~P3~0 := #t~nondet2; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,580 INFO L280 TraceCheckUtils]: 46: Hoare triple {2997#(<= 2 main_~q~0)} havoc #t~nondet2; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,581 INFO L280 TraceCheckUtils]: 47: Hoare triple {2997#(<= 2 main_~q~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,582 INFO L280 TraceCheckUtils]: 48: Hoare triple {2997#(<= 2 main_~q~0)} ~P4~0 := #t~nondet3; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,582 INFO L280 TraceCheckUtils]: 49: Hoare triple {2997#(<= 2 main_~q~0)} havoc #t~nondet3; {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,583 INFO L280 TraceCheckUtils]: 50: Hoare triple {2997#(<= 2 main_~q~0)} assume !(0 == ~q~0); {2997#(<= 2 main_~q~0)} is VALID [2020-07-11 02:20:32,583 INFO L280 TraceCheckUtils]: 51: Hoare triple {2997#(<= 2 main_~q~0)} assume 1 == ~q~0; {2988#false} is VALID [2020-07-11 02:20:32,584 INFO L280 TraceCheckUtils]: 52: Hoare triple {2988#false} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {2988#false} is VALID [2020-07-11 02:20:32,584 INFO L280 TraceCheckUtils]: 53: Hoare triple {2988#false} assume 0 != #t~nondet5; {2988#false} is VALID [2020-07-11 02:20:32,584 INFO L280 TraceCheckUtils]: 54: Hoare triple {2988#false} havoc #t~nondet5; {2988#false} is VALID [2020-07-11 02:20:32,584 INFO L280 TraceCheckUtils]: 55: Hoare triple {2988#false} ~method_id~0 := 4; {2988#false} is VALID [2020-07-11 02:20:32,585 INFO L280 TraceCheckUtils]: 56: Hoare triple {2988#false} assume 0 != ~this_sink~0; {2988#false} is VALID [2020-07-11 02:20:32,585 INFO L280 TraceCheckUtils]: 57: Hoare triple {2988#false} assume !false; {2988#false} is VALID [2020-07-11 02:20:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:20:32,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984519010] [2020-07-11 02:20:32,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:20:32,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 02:20:32,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463172218] [2020-07-11 02:20:32,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-07-11 02:20:32,591 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:20:32,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 02:20:32,640 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:32,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 02:20:32,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:20:32,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 02:20:32,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 02:20:32,641 INFO L87 Difference]: Start difference. First operand 178 states and 208 transitions. Second operand 4 states. [2020-07-11 02:20:33,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:33,648 INFO L93 Difference]: Finished difference Result 323 states and 379 transitions. [2020-07-11 02:20:33,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 02:20:33,648 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-07-11 02:20:33,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:20:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 365 transitions. [2020-07-11 02:20:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 365 transitions. [2020-07-11 02:20:33,659 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 365 transitions. [2020-07-11 02:20:34,070 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 365 edges. 365 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:34,075 INFO L225 Difference]: With dead ends: 323 [2020-07-11 02:20:34,075 INFO L226 Difference]: Without dead ends: 160 [2020-07-11 02:20:34,081 INFO L675 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 [2020-07-11 02:20:34,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-11 02:20:34,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-11 02:20:34,619 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:20:34,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand 160 states. [2020-07-11 02:20:34,619 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 160 states. [2020-07-11 02:20:34,619 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 160 states. [2020-07-11 02:20:34,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:34,625 INFO L93 Difference]: Finished difference Result 160 states and 184 transitions. [2020-07-11 02:20:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 184 transitions. [2020-07-11 02:20:34,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:34,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:34,626 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 160 states. [2020-07-11 02:20:34,626 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 160 states. [2020-07-11 02:20:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:34,631 INFO L93 Difference]: Finished difference Result 160 states and 184 transitions. [2020-07-11 02:20:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 184 transitions. [2020-07-11 02:20:34,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:34,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:34,632 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:20:34,632 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:20:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-11 02:20:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 184 transitions. [2020-07-11 02:20:34,638 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 184 transitions. Word has length 58 [2020-07-11 02:20:34,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:20:34,638 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 184 transitions. [2020-07-11 02:20:34,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 02:20:34,638 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 160 states and 184 transitions. [2020-07-11 02:20:34,959 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:34,959 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 184 transitions. [2020-07-11 02:20:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-11 02:20:34,961 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:20:34,961 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:20:34,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 02:20:34,962 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:20:34,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:20:34,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1364131535, now seen corresponding path program 1 times [2020-07-11 02:20:34,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:20:34,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477737221] [2020-07-11 02:20:34,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:20:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:35,095 INFO L280 TraceCheckUtils]: 0: Hoare triple {4301#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {4290#true} is VALID [2020-07-11 02:20:35,096 INFO L280 TraceCheckUtils]: 1: Hoare triple {4290#true} ~m_PipedOutputStream~0 := 2; {4290#true} is VALID [2020-07-11 02:20:35,096 INFO L280 TraceCheckUtils]: 2: Hoare triple {4290#true} ~m_close~0 := 3; {4290#true} is VALID [2020-07-11 02:20:35,096 INFO L280 TraceCheckUtils]: 3: Hoare triple {4290#true} ~m_write~0 := 4; {4290#true} is VALID [2020-07-11 02:20:35,097 INFO L280 TraceCheckUtils]: 4: Hoare triple {4290#true} ~m_connect_1~0 := 5; {4290#true} is VALID [2020-07-11 02:20:35,097 INFO L280 TraceCheckUtils]: 5: Hoare triple {4290#true} ~m_connect_2~0 := 6; {4290#true} is VALID [2020-07-11 02:20:35,097 INFO L280 TraceCheckUtils]: 6: Hoare triple {4290#true} assume true; {4290#true} is VALID [2020-07-11 02:20:35,097 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {4290#true} {4290#true} #452#return; {4290#true} is VALID [2020-07-11 02:20:35,099 INFO L263 TraceCheckUtils]: 0: Hoare triple {4290#true} call ULTIMATE.init(); {4301#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} is VALID [2020-07-11 02:20:35,099 INFO L280 TraceCheckUtils]: 1: Hoare triple {4301#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {4290#true} is VALID [2020-07-11 02:20:35,100 INFO L280 TraceCheckUtils]: 2: Hoare triple {4290#true} ~m_PipedOutputStream~0 := 2; {4290#true} is VALID [2020-07-11 02:20:35,100 INFO L280 TraceCheckUtils]: 3: Hoare triple {4290#true} ~m_close~0 := 3; {4290#true} is VALID [2020-07-11 02:20:35,100 INFO L280 TraceCheckUtils]: 4: Hoare triple {4290#true} ~m_write~0 := 4; {4290#true} is VALID [2020-07-11 02:20:35,100 INFO L280 TraceCheckUtils]: 5: Hoare triple {4290#true} ~m_connect_1~0 := 5; {4290#true} is VALID [2020-07-11 02:20:35,101 INFO L280 TraceCheckUtils]: 6: Hoare triple {4290#true} ~m_connect_2~0 := 6; {4290#true} is VALID [2020-07-11 02:20:35,101 INFO L280 TraceCheckUtils]: 7: Hoare triple {4290#true} assume true; {4290#true} is VALID [2020-07-11 02:20:35,101 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4290#true} {4290#true} #452#return; {4290#true} is VALID [2020-07-11 02:20:35,101 INFO L263 TraceCheckUtils]: 9: Hoare triple {4290#true} call #t~ret22 := main(); {4290#true} is VALID [2020-07-11 02:20:35,102 INFO L280 TraceCheckUtils]: 10: Hoare triple {4290#true} ~q~0 := 0; {4290#true} is VALID [2020-07-11 02:20:35,102 INFO L280 TraceCheckUtils]: 11: Hoare triple {4290#true} havoc ~method_id~0; {4290#true} is VALID [2020-07-11 02:20:35,102 INFO L280 TraceCheckUtils]: 12: Hoare triple {4290#true} ~this_sink~0 := 0; {4290#true} is VALID [2020-07-11 02:20:35,103 INFO L280 TraceCheckUtils]: 13: Hoare triple {4290#true} ~this_sinkConnected~0 := 0; {4290#true} is VALID [2020-07-11 02:20:35,103 INFO L280 TraceCheckUtils]: 14: Hoare triple {4290#true} goto; {4290#true} is VALID [2020-07-11 02:20:35,103 INFO L280 TraceCheckUtils]: 15: Hoare triple {4290#true} assume !false; {4290#true} is VALID [2020-07-11 02:20:35,103 INFO L280 TraceCheckUtils]: 16: Hoare triple {4290#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4290#true} is VALID [2020-07-11 02:20:35,104 INFO L280 TraceCheckUtils]: 17: Hoare triple {4290#true} ~P1~0 := #t~nondet0; {4290#true} is VALID [2020-07-11 02:20:35,104 INFO L280 TraceCheckUtils]: 18: Hoare triple {4290#true} havoc #t~nondet0; {4290#true} is VALID [2020-07-11 02:20:35,104 INFO L280 TraceCheckUtils]: 19: Hoare triple {4290#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4290#true} is VALID [2020-07-11 02:20:35,104 INFO L280 TraceCheckUtils]: 20: Hoare triple {4290#true} ~P2~0 := #t~nondet1; {4290#true} is VALID [2020-07-11 02:20:35,105 INFO L280 TraceCheckUtils]: 21: Hoare triple {4290#true} havoc #t~nondet1; {4290#true} is VALID [2020-07-11 02:20:35,105 INFO L280 TraceCheckUtils]: 22: Hoare triple {4290#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {4290#true} is VALID [2020-07-11 02:20:35,105 INFO L280 TraceCheckUtils]: 23: Hoare triple {4290#true} ~P3~0 := #t~nondet2; {4290#true} is VALID [2020-07-11 02:20:35,105 INFO L280 TraceCheckUtils]: 24: Hoare triple {4290#true} havoc #t~nondet2; {4290#true} is VALID [2020-07-11 02:20:35,106 INFO L280 TraceCheckUtils]: 25: Hoare triple {4290#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4290#true} is VALID [2020-07-11 02:20:35,106 INFO L280 TraceCheckUtils]: 26: Hoare triple {4290#true} ~P4~0 := #t~nondet3; {4290#true} is VALID [2020-07-11 02:20:35,106 INFO L280 TraceCheckUtils]: 27: Hoare triple {4290#true} havoc #t~nondet3; {4290#true} is VALID [2020-07-11 02:20:35,106 INFO L280 TraceCheckUtils]: 28: Hoare triple {4290#true} assume 0 == ~q~0; {4290#true} is VALID [2020-07-11 02:20:35,107 INFO L280 TraceCheckUtils]: 29: Hoare triple {4290#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {4290#true} is VALID [2020-07-11 02:20:35,107 INFO L280 TraceCheckUtils]: 30: Hoare triple {4290#true} assume 0 != #t~nondet4; {4290#true} is VALID [2020-07-11 02:20:35,107 INFO L280 TraceCheckUtils]: 31: Hoare triple {4290#true} havoc #t~nondet4; {4290#true} is VALID [2020-07-11 02:20:35,107 INFO L280 TraceCheckUtils]: 32: Hoare triple {4290#true} ~method_id~0 := 2; {4290#true} is VALID [2020-07-11 02:20:35,108 INFO L280 TraceCheckUtils]: 33: Hoare triple {4290#true} assume !false; {4290#true} is VALID [2020-07-11 02:20:35,108 INFO L280 TraceCheckUtils]: 34: Hoare triple {4290#true} ~q~0 := 2; {4290#true} is VALID [2020-07-11 02:20:35,109 INFO L280 TraceCheckUtils]: 35: Hoare triple {4290#true} ~this_sink~0 := 0; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,109 INFO L280 TraceCheckUtils]: 36: Hoare triple {4300#(= 0 main_~this_sink~0)} ~this_sinkConnected~0 := 0; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,110 INFO L280 TraceCheckUtils]: 37: Hoare triple {4300#(= 0 main_~this_sink~0)} assume !false; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,111 INFO L280 TraceCheckUtils]: 38: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,111 INFO L280 TraceCheckUtils]: 39: Hoare triple {4300#(= 0 main_~this_sink~0)} ~P1~0 := #t~nondet0; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,112 INFO L280 TraceCheckUtils]: 40: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet0; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,112 INFO L280 TraceCheckUtils]: 41: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,113 INFO L280 TraceCheckUtils]: 42: Hoare triple {4300#(= 0 main_~this_sink~0)} ~P2~0 := #t~nondet1; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,113 INFO L280 TraceCheckUtils]: 43: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet1; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,114 INFO L280 TraceCheckUtils]: 44: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,115 INFO L280 TraceCheckUtils]: 45: Hoare triple {4300#(= 0 main_~this_sink~0)} ~P3~0 := #t~nondet2; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,115 INFO L280 TraceCheckUtils]: 46: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet2; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,116 INFO L280 TraceCheckUtils]: 47: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,116 INFO L280 TraceCheckUtils]: 48: Hoare triple {4300#(= 0 main_~this_sink~0)} ~P4~0 := #t~nondet3; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,117 INFO L280 TraceCheckUtils]: 49: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet3; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,118 INFO L280 TraceCheckUtils]: 50: Hoare triple {4300#(= 0 main_~this_sink~0)} assume !(0 == ~q~0); {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,118 INFO L280 TraceCheckUtils]: 51: Hoare triple {4300#(= 0 main_~this_sink~0)} assume !(1 == ~q~0); {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,119 INFO L280 TraceCheckUtils]: 52: Hoare triple {4300#(= 0 main_~this_sink~0)} assume 2 == ~q~0; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,119 INFO L280 TraceCheckUtils]: 53: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,120 INFO L280 TraceCheckUtils]: 54: Hoare triple {4300#(= 0 main_~this_sink~0)} assume !(0 != #t~nondet8); {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,121 INFO L280 TraceCheckUtils]: 55: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet8; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,121 INFO L280 TraceCheckUtils]: 56: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,122 INFO L280 TraceCheckUtils]: 57: Hoare triple {4300#(= 0 main_~this_sink~0)} assume !(0 != #t~nondet9); {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,122 INFO L280 TraceCheckUtils]: 58: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet9; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,123 INFO L280 TraceCheckUtils]: 59: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,124 INFO L280 TraceCheckUtils]: 60: Hoare triple {4300#(= 0 main_~this_sink~0)} assume !(0 != #t~nondet10); {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,124 INFO L280 TraceCheckUtils]: 61: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet10; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,125 INFO L280 TraceCheckUtils]: 62: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,125 INFO L280 TraceCheckUtils]: 63: Hoare triple {4300#(= 0 main_~this_sink~0)} assume !(0 != #t~nondet11); {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,126 INFO L280 TraceCheckUtils]: 64: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet11; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,127 INFO L280 TraceCheckUtils]: 65: Hoare triple {4300#(= 0 main_~this_sink~0)} assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,127 INFO L280 TraceCheckUtils]: 66: Hoare triple {4300#(= 0 main_~this_sink~0)} assume 0 != #t~nondet12; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,128 INFO L280 TraceCheckUtils]: 67: Hoare triple {4300#(= 0 main_~this_sink~0)} havoc #t~nondet12; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,128 INFO L280 TraceCheckUtils]: 68: Hoare triple {4300#(= 0 main_~this_sink~0)} ~method_id~0 := 4; {4300#(= 0 main_~this_sink~0)} is VALID [2020-07-11 02:20:35,129 INFO L280 TraceCheckUtils]: 69: Hoare triple {4300#(= 0 main_~this_sink~0)} assume 0 != ~this_sink~0; {4291#false} is VALID [2020-07-11 02:20:35,129 INFO L280 TraceCheckUtils]: 70: Hoare triple {4291#false} assume !false; {4291#false} is VALID [2020-07-11 02:20:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:20:35,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477737221] [2020-07-11 02:20:35,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:20:35,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 02:20:35,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449188259] [2020-07-11 02:20:35,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2020-07-11 02:20:35,137 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:20:35,137 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 02:20:35,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:35,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 02:20:35,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:20:35,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 02:20:35,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 02:20:35,200 INFO L87 Difference]: Start difference. First operand 160 states and 184 transitions. Second operand 4 states. [2020-07-11 02:20:36,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:36,893 INFO L93 Difference]: Finished difference Result 380 states and 450 transitions. [2020-07-11 02:20:36,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 02:20:36,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2020-07-11 02:20:36,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:20:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 436 transitions. [2020-07-11 02:20:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 436 transitions. [2020-07-11 02:20:36,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 436 transitions. [2020-07-11 02:20:37,431 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 436 edges. 436 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:37,438 INFO L225 Difference]: With dead ends: 380 [2020-07-11 02:20:37,438 INFO L226 Difference]: Without dead ends: 255 [2020-07-11 02:20:37,439 INFO L675 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 [2020-07-11 02:20:37,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-11 02:20:38,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2020-07-11 02:20:38,324 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:20:38,325 INFO L82 GeneralOperation]: Start isEquivalent. First operand 255 states. Second operand 249 states. [2020-07-11 02:20:38,325 INFO L74 IsIncluded]: Start isIncluded. First operand 255 states. Second operand 249 states. [2020-07-11 02:20:38,325 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 249 states. [2020-07-11 02:20:38,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:38,334 INFO L93 Difference]: Finished difference Result 255 states and 295 transitions. [2020-07-11 02:20:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 295 transitions. [2020-07-11 02:20:38,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:38,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:38,335 INFO L74 IsIncluded]: Start isIncluded. First operand 249 states. Second operand 255 states. [2020-07-11 02:20:38,336 INFO L87 Difference]: Start difference. First operand 249 states. Second operand 255 states. [2020-07-11 02:20:38,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:38,345 INFO L93 Difference]: Finished difference Result 255 states and 295 transitions. [2020-07-11 02:20:38,345 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 295 transitions. [2020-07-11 02:20:38,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:38,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:38,346 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:20:38,346 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:20:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-07-11 02:20:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 290 transitions. [2020-07-11 02:20:38,354 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 290 transitions. Word has length 71 [2020-07-11 02:20:38,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:20:38,354 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 290 transitions. [2020-07-11 02:20:38,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 02:20:38,354 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 249 states and 290 transitions. [2020-07-11 02:20:38,785 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 290 edges. 290 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 290 transitions. [2020-07-11 02:20:38,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-11 02:20:38,788 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:20:38,788 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:20:38,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 02:20:38,788 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:20:38,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:20:38,789 INFO L82 PathProgramCache]: Analyzing trace with hash -2059109809, now seen corresponding path program 1 times [2020-07-11 02:20:38,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:20:38,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138125366] [2020-07-11 02:20:38,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:20:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:38,886 INFO L280 TraceCheckUtils]: 0: Hoare triple {6086#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {6075#true} is VALID [2020-07-11 02:20:38,887 INFO L280 TraceCheckUtils]: 1: Hoare triple {6075#true} ~m_PipedOutputStream~0 := 2; {6075#true} is VALID [2020-07-11 02:20:38,887 INFO L280 TraceCheckUtils]: 2: Hoare triple {6075#true} ~m_close~0 := 3; {6075#true} is VALID [2020-07-11 02:20:38,887 INFO L280 TraceCheckUtils]: 3: Hoare triple {6075#true} ~m_write~0 := 4; {6075#true} is VALID [2020-07-11 02:20:38,888 INFO L280 TraceCheckUtils]: 4: Hoare triple {6075#true} ~m_connect_1~0 := 5; {6075#true} is VALID [2020-07-11 02:20:38,888 INFO L280 TraceCheckUtils]: 5: Hoare triple {6075#true} ~m_connect_2~0 := 6; {6075#true} is VALID [2020-07-11 02:20:38,888 INFO L280 TraceCheckUtils]: 6: Hoare triple {6075#true} assume true; {6075#true} is VALID [2020-07-11 02:20:38,888 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {6075#true} {6075#true} #452#return; {6075#true} is VALID [2020-07-11 02:20:38,890 INFO L263 TraceCheckUtils]: 0: Hoare triple {6075#true} call ULTIMATE.init(); {6086#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} is VALID [2020-07-11 02:20:38,890 INFO L280 TraceCheckUtils]: 1: Hoare triple {6086#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {6075#true} is VALID [2020-07-11 02:20:38,890 INFO L280 TraceCheckUtils]: 2: Hoare triple {6075#true} ~m_PipedOutputStream~0 := 2; {6075#true} is VALID [2020-07-11 02:20:38,891 INFO L280 TraceCheckUtils]: 3: Hoare triple {6075#true} ~m_close~0 := 3; {6075#true} is VALID [2020-07-11 02:20:38,891 INFO L280 TraceCheckUtils]: 4: Hoare triple {6075#true} ~m_write~0 := 4; {6075#true} is VALID [2020-07-11 02:20:38,891 INFO L280 TraceCheckUtils]: 5: Hoare triple {6075#true} ~m_connect_1~0 := 5; {6075#true} is VALID [2020-07-11 02:20:38,891 INFO L280 TraceCheckUtils]: 6: Hoare triple {6075#true} ~m_connect_2~0 := 6; {6075#true} is VALID [2020-07-11 02:20:38,891 INFO L280 TraceCheckUtils]: 7: Hoare triple {6075#true} assume true; {6075#true} is VALID [2020-07-11 02:20:38,892 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6075#true} {6075#true} #452#return; {6075#true} is VALID [2020-07-11 02:20:38,892 INFO L263 TraceCheckUtils]: 9: Hoare triple {6075#true} call #t~ret22 := main(); {6075#true} is VALID [2020-07-11 02:20:38,893 INFO L280 TraceCheckUtils]: 10: Hoare triple {6075#true} ~q~0 := 0; {6075#true} is VALID [2020-07-11 02:20:38,893 INFO L280 TraceCheckUtils]: 11: Hoare triple {6075#true} havoc ~method_id~0; {6075#true} is VALID [2020-07-11 02:20:38,893 INFO L280 TraceCheckUtils]: 12: Hoare triple {6075#true} ~this_sink~0 := 0; {6075#true} is VALID [2020-07-11 02:20:38,893 INFO L280 TraceCheckUtils]: 13: Hoare triple {6075#true} ~this_sinkConnected~0 := 0; {6075#true} is VALID [2020-07-11 02:20:38,894 INFO L280 TraceCheckUtils]: 14: Hoare triple {6075#true} goto; {6075#true} is VALID [2020-07-11 02:20:38,894 INFO L280 TraceCheckUtils]: 15: Hoare triple {6075#true} assume !false; {6075#true} is VALID [2020-07-11 02:20:38,894 INFO L280 TraceCheckUtils]: 16: Hoare triple {6075#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6075#true} is VALID [2020-07-11 02:20:38,898 INFO L280 TraceCheckUtils]: 17: Hoare triple {6075#true} ~P1~0 := #t~nondet0; {6075#true} is VALID [2020-07-11 02:20:38,898 INFO L280 TraceCheckUtils]: 18: Hoare triple {6075#true} havoc #t~nondet0; {6075#true} is VALID [2020-07-11 02:20:38,898 INFO L280 TraceCheckUtils]: 19: Hoare triple {6075#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6075#true} is VALID [2020-07-11 02:20:38,899 INFO L280 TraceCheckUtils]: 20: Hoare triple {6075#true} ~P2~0 := #t~nondet1; {6075#true} is VALID [2020-07-11 02:20:38,899 INFO L280 TraceCheckUtils]: 21: Hoare triple {6075#true} havoc #t~nondet1; {6075#true} is VALID [2020-07-11 02:20:38,900 INFO L280 TraceCheckUtils]: 22: Hoare triple {6075#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {6075#true} is VALID [2020-07-11 02:20:38,900 INFO L280 TraceCheckUtils]: 23: Hoare triple {6075#true} ~P3~0 := #t~nondet2; {6075#true} is VALID [2020-07-11 02:20:38,901 INFO L280 TraceCheckUtils]: 24: Hoare triple {6075#true} havoc #t~nondet2; {6075#true} is VALID [2020-07-11 02:20:38,901 INFO L280 TraceCheckUtils]: 25: Hoare triple {6075#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6075#true} is VALID [2020-07-11 02:20:38,901 INFO L280 TraceCheckUtils]: 26: Hoare triple {6075#true} ~P4~0 := #t~nondet3; {6075#true} is VALID [2020-07-11 02:20:38,901 INFO L280 TraceCheckUtils]: 27: Hoare triple {6075#true} havoc #t~nondet3; {6075#true} is VALID [2020-07-11 02:20:38,902 INFO L280 TraceCheckUtils]: 28: Hoare triple {6075#true} assume 0 == ~q~0; {6075#true} is VALID [2020-07-11 02:20:38,902 INFO L280 TraceCheckUtils]: 29: Hoare triple {6075#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {6075#true} is VALID [2020-07-11 02:20:38,902 INFO L280 TraceCheckUtils]: 30: Hoare triple {6075#true} assume 0 != #t~nondet4; {6075#true} is VALID [2020-07-11 02:20:38,902 INFO L280 TraceCheckUtils]: 31: Hoare triple {6075#true} havoc #t~nondet4; {6075#true} is VALID [2020-07-11 02:20:38,903 INFO L280 TraceCheckUtils]: 32: Hoare triple {6075#true} ~method_id~0 := 2; {6075#true} is VALID [2020-07-11 02:20:38,903 INFO L280 TraceCheckUtils]: 33: Hoare triple {6075#true} assume !false; {6075#true} is VALID [2020-07-11 02:20:38,904 INFO L280 TraceCheckUtils]: 34: Hoare triple {6075#true} ~q~0 := 2; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,904 INFO L280 TraceCheckUtils]: 35: Hoare triple {6085#(= 2 main_~q~0)} ~this_sink~0 := 0; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,905 INFO L280 TraceCheckUtils]: 36: Hoare triple {6085#(= 2 main_~q~0)} ~this_sinkConnected~0 := 0; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,905 INFO L280 TraceCheckUtils]: 37: Hoare triple {6085#(= 2 main_~q~0)} assume !false; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,906 INFO L280 TraceCheckUtils]: 38: Hoare triple {6085#(= 2 main_~q~0)} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,906 INFO L280 TraceCheckUtils]: 39: Hoare triple {6085#(= 2 main_~q~0)} ~P1~0 := #t~nondet0; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,907 INFO L280 TraceCheckUtils]: 40: Hoare triple {6085#(= 2 main_~q~0)} havoc #t~nondet0; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,909 INFO L280 TraceCheckUtils]: 41: Hoare triple {6085#(= 2 main_~q~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,909 INFO L280 TraceCheckUtils]: 42: Hoare triple {6085#(= 2 main_~q~0)} ~P2~0 := #t~nondet1; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,910 INFO L280 TraceCheckUtils]: 43: Hoare triple {6085#(= 2 main_~q~0)} havoc #t~nondet1; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,910 INFO L280 TraceCheckUtils]: 44: Hoare triple {6085#(= 2 main_~q~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,911 INFO L280 TraceCheckUtils]: 45: Hoare triple {6085#(= 2 main_~q~0)} ~P3~0 := #t~nondet2; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,911 INFO L280 TraceCheckUtils]: 46: Hoare triple {6085#(= 2 main_~q~0)} havoc #t~nondet2; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,912 INFO L280 TraceCheckUtils]: 47: Hoare triple {6085#(= 2 main_~q~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,912 INFO L280 TraceCheckUtils]: 48: Hoare triple {6085#(= 2 main_~q~0)} ~P4~0 := #t~nondet3; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,913 INFO L280 TraceCheckUtils]: 49: Hoare triple {6085#(= 2 main_~q~0)} havoc #t~nondet3; {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,914 INFO L280 TraceCheckUtils]: 50: Hoare triple {6085#(= 2 main_~q~0)} assume !(0 == ~q~0); {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,914 INFO L280 TraceCheckUtils]: 51: Hoare triple {6085#(= 2 main_~q~0)} assume !(1 == ~q~0); {6085#(= 2 main_~q~0)} is VALID [2020-07-11 02:20:38,915 INFO L280 TraceCheckUtils]: 52: Hoare triple {6085#(= 2 main_~q~0)} assume !(2 == ~q~0); {6076#false} is VALID [2020-07-11 02:20:38,915 INFO L280 TraceCheckUtils]: 53: Hoare triple {6076#false} assume 3 == ~q~0; {6076#false} is VALID [2020-07-11 02:20:38,915 INFO L280 TraceCheckUtils]: 54: Hoare triple {6076#false} assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647; {6076#false} is VALID [2020-07-11 02:20:38,915 INFO L280 TraceCheckUtils]: 55: Hoare triple {6076#false} assume !(0 != #t~nondet15); {6076#false} is VALID [2020-07-11 02:20:38,916 INFO L280 TraceCheckUtils]: 56: Hoare triple {6076#false} havoc #t~nondet15; {6076#false} is VALID [2020-07-11 02:20:38,916 INFO L280 TraceCheckUtils]: 57: Hoare triple {6076#false} assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647; {6076#false} is VALID [2020-07-11 02:20:38,916 INFO L280 TraceCheckUtils]: 58: Hoare triple {6076#false} assume !(0 != #t~nondet16); {6076#false} is VALID [2020-07-11 02:20:38,916 INFO L280 TraceCheckUtils]: 59: Hoare triple {6076#false} havoc #t~nondet16; {6076#false} is VALID [2020-07-11 02:20:38,917 INFO L280 TraceCheckUtils]: 60: Hoare triple {6076#false} assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647; {6076#false} is VALID [2020-07-11 02:20:38,917 INFO L280 TraceCheckUtils]: 61: Hoare triple {6076#false} assume !(0 != #t~nondet17); {6076#false} is VALID [2020-07-11 02:20:38,917 INFO L280 TraceCheckUtils]: 62: Hoare triple {6076#false} havoc #t~nondet17; {6076#false} is VALID [2020-07-11 02:20:38,918 INFO L280 TraceCheckUtils]: 63: Hoare triple {6076#false} assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647; {6076#false} is VALID [2020-07-11 02:20:38,918 INFO L280 TraceCheckUtils]: 64: Hoare triple {6076#false} assume !(0 != #t~nondet18); {6076#false} is VALID [2020-07-11 02:20:38,918 INFO L280 TraceCheckUtils]: 65: Hoare triple {6076#false} havoc #t~nondet18; {6076#false} is VALID [2020-07-11 02:20:38,919 INFO L280 TraceCheckUtils]: 66: Hoare triple {6076#false} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647; {6076#false} is VALID [2020-07-11 02:20:38,919 INFO L280 TraceCheckUtils]: 67: Hoare triple {6076#false} assume 0 != #t~nondet19; {6076#false} is VALID [2020-07-11 02:20:38,919 INFO L280 TraceCheckUtils]: 68: Hoare triple {6076#false} havoc #t~nondet19; {6076#false} is VALID [2020-07-11 02:20:38,919 INFO L280 TraceCheckUtils]: 69: Hoare triple {6076#false} ~method_id~0 := 4; {6076#false} is VALID [2020-07-11 02:20:38,919 INFO L280 TraceCheckUtils]: 70: Hoare triple {6076#false} assume 0 == ~this_sink~0; {6076#false} is VALID [2020-07-11 02:20:38,920 INFO L280 TraceCheckUtils]: 71: Hoare triple {6076#false} assume !false; {6076#false} is VALID [2020-07-11 02:20:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:20:38,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138125366] [2020-07-11 02:20:38,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:20:38,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 02:20:38,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972626234] [2020-07-11 02:20:38,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2020-07-11 02:20:38,928 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:20:38,928 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 02:20:38,995 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:38,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 02:20:38,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:20:38,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 02:20:38,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 02:20:38,997 INFO L87 Difference]: Start difference. First operand 249 states and 290 transitions. Second operand 4 states. [2020-07-11 02:20:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:40,635 INFO L93 Difference]: Finished difference Result 494 states and 576 transitions. [2020-07-11 02:20:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 02:20:40,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2020-07-11 02:20:40,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:20:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 333 transitions. [2020-07-11 02:20:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:40,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 333 transitions. [2020-07-11 02:20:40,644 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 333 transitions. [2020-07-11 02:20:41,042 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 333 edges. 333 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:41,049 INFO L225 Difference]: With dead ends: 494 [2020-07-11 02:20:41,049 INFO L226 Difference]: Without dead ends: 283 [2020-07-11 02:20:41,050 INFO L675 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 [2020-07-11 02:20:41,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-11 02:20:42,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2020-07-11 02:20:42,221 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:20:42,221 INFO L82 GeneralOperation]: Start isEquivalent. First operand 283 states. Second operand 281 states. [2020-07-11 02:20:42,222 INFO L74 IsIncluded]: Start isIncluded. First operand 283 states. Second operand 281 states. [2020-07-11 02:20:42,222 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 281 states. [2020-07-11 02:20:42,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:42,231 INFO L93 Difference]: Finished difference Result 283 states and 323 transitions. [2020-07-11 02:20:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 323 transitions. [2020-07-11 02:20:42,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:42,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:42,232 INFO L74 IsIncluded]: Start isIncluded. First operand 281 states. Second operand 283 states. [2020-07-11 02:20:42,233 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 283 states. [2020-07-11 02:20:42,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:42,240 INFO L93 Difference]: Finished difference Result 283 states and 323 transitions. [2020-07-11 02:20:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 323 transitions. [2020-07-11 02:20:42,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:42,241 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:42,242 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:20:42,242 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:20:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-07-11 02:20:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 322 transitions. [2020-07-11 02:20:42,249 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 322 transitions. Word has length 72 [2020-07-11 02:20:42,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:20:42,249 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 322 transitions. [2020-07-11 02:20:42,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 02:20:42,250 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 281 states and 322 transitions. [2020-07-11 02:20:42,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 322 edges. 322 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 322 transitions. [2020-07-11 02:20:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-11 02:20:42,720 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:20:42,720 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:20:42,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 02:20:42,721 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:20:42,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:20:42,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1063922455, now seen corresponding path program 1 times [2020-07-11 02:20:42,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:20:42,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530153133] [2020-07-11 02:20:42,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:20:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:42,834 INFO L280 TraceCheckUtils]: 0: Hoare triple {8219#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {8208#true} is VALID [2020-07-11 02:20:42,834 INFO L280 TraceCheckUtils]: 1: Hoare triple {8208#true} ~m_PipedOutputStream~0 := 2; {8208#true} is VALID [2020-07-11 02:20:42,835 INFO L280 TraceCheckUtils]: 2: Hoare triple {8208#true} ~m_close~0 := 3; {8208#true} is VALID [2020-07-11 02:20:42,835 INFO L280 TraceCheckUtils]: 3: Hoare triple {8208#true} ~m_write~0 := 4; {8208#true} is VALID [2020-07-11 02:20:42,835 INFO L280 TraceCheckUtils]: 4: Hoare triple {8208#true} ~m_connect_1~0 := 5; {8208#true} is VALID [2020-07-11 02:20:42,835 INFO L280 TraceCheckUtils]: 5: Hoare triple {8208#true} ~m_connect_2~0 := 6; {8208#true} is VALID [2020-07-11 02:20:42,836 INFO L280 TraceCheckUtils]: 6: Hoare triple {8208#true} assume true; {8208#true} is VALID [2020-07-11 02:20:42,836 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {8208#true} {8208#true} #452#return; {8208#true} is VALID [2020-07-11 02:20:42,837 INFO L263 TraceCheckUtils]: 0: Hoare triple {8208#true} call ULTIMATE.init(); {8219#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} is VALID [2020-07-11 02:20:42,837 INFO L280 TraceCheckUtils]: 1: Hoare triple {8219#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {8208#true} is VALID [2020-07-11 02:20:42,838 INFO L280 TraceCheckUtils]: 2: Hoare triple {8208#true} ~m_PipedOutputStream~0 := 2; {8208#true} is VALID [2020-07-11 02:20:42,838 INFO L280 TraceCheckUtils]: 3: Hoare triple {8208#true} ~m_close~0 := 3; {8208#true} is VALID [2020-07-11 02:20:42,838 INFO L280 TraceCheckUtils]: 4: Hoare triple {8208#true} ~m_write~0 := 4; {8208#true} is VALID [2020-07-11 02:20:42,838 INFO L280 TraceCheckUtils]: 5: Hoare triple {8208#true} ~m_connect_1~0 := 5; {8208#true} is VALID [2020-07-11 02:20:42,839 INFO L280 TraceCheckUtils]: 6: Hoare triple {8208#true} ~m_connect_2~0 := 6; {8208#true} is VALID [2020-07-11 02:20:42,839 INFO L280 TraceCheckUtils]: 7: Hoare triple {8208#true} assume true; {8208#true} is VALID [2020-07-11 02:20:42,839 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8208#true} {8208#true} #452#return; {8208#true} is VALID [2020-07-11 02:20:42,839 INFO L263 TraceCheckUtils]: 9: Hoare triple {8208#true} call #t~ret22 := main(); {8208#true} is VALID [2020-07-11 02:20:42,839 INFO L280 TraceCheckUtils]: 10: Hoare triple {8208#true} ~q~0 := 0; {8208#true} is VALID [2020-07-11 02:20:42,840 INFO L280 TraceCheckUtils]: 11: Hoare triple {8208#true} havoc ~method_id~0; {8208#true} is VALID [2020-07-11 02:20:42,840 INFO L280 TraceCheckUtils]: 12: Hoare triple {8208#true} ~this_sink~0 := 0; {8208#true} is VALID [2020-07-11 02:20:42,840 INFO L280 TraceCheckUtils]: 13: Hoare triple {8208#true} ~this_sinkConnected~0 := 0; {8208#true} is VALID [2020-07-11 02:20:42,840 INFO L280 TraceCheckUtils]: 14: Hoare triple {8208#true} goto; {8208#true} is VALID [2020-07-11 02:20:42,841 INFO L280 TraceCheckUtils]: 15: Hoare triple {8208#true} assume !false; {8208#true} is VALID [2020-07-11 02:20:42,841 INFO L280 TraceCheckUtils]: 16: Hoare triple {8208#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,841 INFO L280 TraceCheckUtils]: 17: Hoare triple {8208#true} ~P1~0 := #t~nondet0; {8208#true} is VALID [2020-07-11 02:20:42,841 INFO L280 TraceCheckUtils]: 18: Hoare triple {8208#true} havoc #t~nondet0; {8208#true} is VALID [2020-07-11 02:20:42,842 INFO L280 TraceCheckUtils]: 19: Hoare triple {8208#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,842 INFO L280 TraceCheckUtils]: 20: Hoare triple {8208#true} ~P2~0 := #t~nondet1; {8208#true} is VALID [2020-07-11 02:20:42,842 INFO L280 TraceCheckUtils]: 21: Hoare triple {8208#true} havoc #t~nondet1; {8208#true} is VALID [2020-07-11 02:20:42,842 INFO L280 TraceCheckUtils]: 22: Hoare triple {8208#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,843 INFO L280 TraceCheckUtils]: 23: Hoare triple {8208#true} ~P3~0 := #t~nondet2; {8208#true} is VALID [2020-07-11 02:20:42,843 INFO L280 TraceCheckUtils]: 24: Hoare triple {8208#true} havoc #t~nondet2; {8208#true} is VALID [2020-07-11 02:20:42,843 INFO L280 TraceCheckUtils]: 25: Hoare triple {8208#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,844 INFO L280 TraceCheckUtils]: 26: Hoare triple {8208#true} ~P4~0 := #t~nondet3; {8208#true} is VALID [2020-07-11 02:20:42,844 INFO L280 TraceCheckUtils]: 27: Hoare triple {8208#true} havoc #t~nondet3; {8208#true} is VALID [2020-07-11 02:20:42,844 INFO L280 TraceCheckUtils]: 28: Hoare triple {8208#true} assume 0 == ~q~0; {8208#true} is VALID [2020-07-11 02:20:42,845 INFO L280 TraceCheckUtils]: 29: Hoare triple {8208#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,845 INFO L280 TraceCheckUtils]: 30: Hoare triple {8208#true} assume 0 != #t~nondet4; {8208#true} is VALID [2020-07-11 02:20:42,845 INFO L280 TraceCheckUtils]: 31: Hoare triple {8208#true} havoc #t~nondet4; {8208#true} is VALID [2020-07-11 02:20:42,845 INFO L280 TraceCheckUtils]: 32: Hoare triple {8208#true} ~method_id~0 := 2; {8208#true} is VALID [2020-07-11 02:20:42,846 INFO L280 TraceCheckUtils]: 33: Hoare triple {8208#true} assume !false; {8208#true} is VALID [2020-07-11 02:20:42,846 INFO L280 TraceCheckUtils]: 34: Hoare triple {8208#true} ~q~0 := 2; {8208#true} is VALID [2020-07-11 02:20:42,846 INFO L280 TraceCheckUtils]: 35: Hoare triple {8208#true} ~this_sink~0 := 0; {8208#true} is VALID [2020-07-11 02:20:42,846 INFO L280 TraceCheckUtils]: 36: Hoare triple {8208#true} ~this_sinkConnected~0 := 0; {8208#true} is VALID [2020-07-11 02:20:42,847 INFO L280 TraceCheckUtils]: 37: Hoare triple {8208#true} assume !false; {8208#true} is VALID [2020-07-11 02:20:42,847 INFO L280 TraceCheckUtils]: 38: Hoare triple {8208#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,847 INFO L280 TraceCheckUtils]: 39: Hoare triple {8208#true} ~P1~0 := #t~nondet0; {8208#true} is VALID [2020-07-11 02:20:42,848 INFO L280 TraceCheckUtils]: 40: Hoare triple {8208#true} havoc #t~nondet0; {8208#true} is VALID [2020-07-11 02:20:42,848 INFO L280 TraceCheckUtils]: 41: Hoare triple {8208#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,848 INFO L280 TraceCheckUtils]: 42: Hoare triple {8208#true} ~P2~0 := #t~nondet1; {8208#true} is VALID [2020-07-11 02:20:42,848 INFO L280 TraceCheckUtils]: 43: Hoare triple {8208#true} havoc #t~nondet1; {8208#true} is VALID [2020-07-11 02:20:42,849 INFO L280 TraceCheckUtils]: 44: Hoare triple {8208#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,849 INFO L280 TraceCheckUtils]: 45: Hoare triple {8208#true} ~P3~0 := #t~nondet2; {8208#true} is VALID [2020-07-11 02:20:42,849 INFO L280 TraceCheckUtils]: 46: Hoare triple {8208#true} havoc #t~nondet2; {8208#true} is VALID [2020-07-11 02:20:42,850 INFO L280 TraceCheckUtils]: 47: Hoare triple {8208#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,850 INFO L280 TraceCheckUtils]: 48: Hoare triple {8208#true} ~P4~0 := #t~nondet3; {8208#true} is VALID [2020-07-11 02:20:42,850 INFO L280 TraceCheckUtils]: 49: Hoare triple {8208#true} havoc #t~nondet3; {8208#true} is VALID [2020-07-11 02:20:42,850 INFO L280 TraceCheckUtils]: 50: Hoare triple {8208#true} assume !(0 == ~q~0); {8208#true} is VALID [2020-07-11 02:20:42,850 INFO L280 TraceCheckUtils]: 51: Hoare triple {8208#true} assume !(1 == ~q~0); {8208#true} is VALID [2020-07-11 02:20:42,851 INFO L280 TraceCheckUtils]: 52: Hoare triple {8208#true} assume 2 == ~q~0; {8208#true} is VALID [2020-07-11 02:20:42,851 INFO L280 TraceCheckUtils]: 53: Hoare triple {8208#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,851 INFO L280 TraceCheckUtils]: 54: Hoare triple {8208#true} assume !(0 != #t~nondet8); {8208#true} is VALID [2020-07-11 02:20:42,851 INFO L280 TraceCheckUtils]: 55: Hoare triple {8208#true} havoc #t~nondet8; {8208#true} is VALID [2020-07-11 02:20:42,852 INFO L280 TraceCheckUtils]: 56: Hoare triple {8208#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,852 INFO L280 TraceCheckUtils]: 57: Hoare triple {8208#true} assume !(0 != #t~nondet9); {8208#true} is VALID [2020-07-11 02:20:42,852 INFO L280 TraceCheckUtils]: 58: Hoare triple {8208#true} havoc #t~nondet9; {8208#true} is VALID [2020-07-11 02:20:42,853 INFO L280 TraceCheckUtils]: 59: Hoare triple {8208#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,853 INFO L280 TraceCheckUtils]: 60: Hoare triple {8208#true} assume !(0 != #t~nondet10); {8208#true} is VALID [2020-07-11 02:20:42,853 INFO L280 TraceCheckUtils]: 61: Hoare triple {8208#true} havoc #t~nondet10; {8208#true} is VALID [2020-07-11 02:20:42,853 INFO L280 TraceCheckUtils]: 62: Hoare triple {8208#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,854 INFO L280 TraceCheckUtils]: 63: Hoare triple {8208#true} assume !(0 != #t~nondet11); {8208#true} is VALID [2020-07-11 02:20:42,854 INFO L280 TraceCheckUtils]: 64: Hoare triple {8208#true} havoc #t~nondet11; {8208#true} is VALID [2020-07-11 02:20:42,854 INFO L280 TraceCheckUtils]: 65: Hoare triple {8208#true} assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,854 INFO L280 TraceCheckUtils]: 66: Hoare triple {8208#true} assume !(0 != #t~nondet12); {8208#true} is VALID [2020-07-11 02:20:42,855 INFO L280 TraceCheckUtils]: 67: Hoare triple {8208#true} havoc #t~nondet12; {8208#true} is VALID [2020-07-11 02:20:42,855 INFO L280 TraceCheckUtils]: 68: Hoare triple {8208#true} assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647; {8208#true} is VALID [2020-07-11 02:20:42,855 INFO L280 TraceCheckUtils]: 69: Hoare triple {8208#true} assume 0 != #t~nondet13; {8208#true} is VALID [2020-07-11 02:20:42,855 INFO L280 TraceCheckUtils]: 70: Hoare triple {8208#true} havoc #t~nondet13; {8208#true} is VALID [2020-07-11 02:20:42,855 INFO L280 TraceCheckUtils]: 71: Hoare triple {8208#true} assume 1 != ~P2~0 && 0 != ~P1~0; {8208#true} is VALID [2020-07-11 02:20:42,856 INFO L280 TraceCheckUtils]: 72: Hoare triple {8208#true} ~method_id~0 := 5; {8208#true} is VALID [2020-07-11 02:20:42,856 INFO L280 TraceCheckUtils]: 73: Hoare triple {8208#true} assume !((0 != ~this_sink~0 && 0 != ~P1~0) && 1 != ~P2~0 && 0 != ~P1~0); {8208#true} is VALID [2020-07-11 02:20:42,857 INFO L280 TraceCheckUtils]: 74: Hoare triple {8208#true} ~q~0 := 3; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,857 INFO L280 TraceCheckUtils]: 75: Hoare triple {8218#(<= 3 main_~q~0)} ~this_sink~0 := ~P1~0; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,858 INFO L280 TraceCheckUtils]: 76: Hoare triple {8218#(<= 3 main_~q~0)} ~this_sinkConnected~0 := 1; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,859 INFO L280 TraceCheckUtils]: 77: Hoare triple {8218#(<= 3 main_~q~0)} assume !false; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,859 INFO L280 TraceCheckUtils]: 78: Hoare triple {8218#(<= 3 main_~q~0)} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,860 INFO L280 TraceCheckUtils]: 79: Hoare triple {8218#(<= 3 main_~q~0)} ~P1~0 := #t~nondet0; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,860 INFO L280 TraceCheckUtils]: 80: Hoare triple {8218#(<= 3 main_~q~0)} havoc #t~nondet0; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,861 INFO L280 TraceCheckUtils]: 81: Hoare triple {8218#(<= 3 main_~q~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,862 INFO L280 TraceCheckUtils]: 82: Hoare triple {8218#(<= 3 main_~q~0)} ~P2~0 := #t~nondet1; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,862 INFO L280 TraceCheckUtils]: 83: Hoare triple {8218#(<= 3 main_~q~0)} havoc #t~nondet1; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,863 INFO L280 TraceCheckUtils]: 84: Hoare triple {8218#(<= 3 main_~q~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,863 INFO L280 TraceCheckUtils]: 85: Hoare triple {8218#(<= 3 main_~q~0)} ~P3~0 := #t~nondet2; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,864 INFO L280 TraceCheckUtils]: 86: Hoare triple {8218#(<= 3 main_~q~0)} havoc #t~nondet2; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,864 INFO L280 TraceCheckUtils]: 87: Hoare triple {8218#(<= 3 main_~q~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,865 INFO L280 TraceCheckUtils]: 88: Hoare triple {8218#(<= 3 main_~q~0)} ~P4~0 := #t~nondet3; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,867 INFO L280 TraceCheckUtils]: 89: Hoare triple {8218#(<= 3 main_~q~0)} havoc #t~nondet3; {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,867 INFO L280 TraceCheckUtils]: 90: Hoare triple {8218#(<= 3 main_~q~0)} assume !(0 == ~q~0); {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,868 INFO L280 TraceCheckUtils]: 91: Hoare triple {8218#(<= 3 main_~q~0)} assume !(1 == ~q~0); {8218#(<= 3 main_~q~0)} is VALID [2020-07-11 02:20:42,869 INFO L280 TraceCheckUtils]: 92: Hoare triple {8218#(<= 3 main_~q~0)} assume 2 == ~q~0; {8209#false} is VALID [2020-07-11 02:20:42,869 INFO L280 TraceCheckUtils]: 93: Hoare triple {8209#false} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {8209#false} is VALID [2020-07-11 02:20:42,869 INFO L280 TraceCheckUtils]: 94: Hoare triple {8209#false} assume !(0 != #t~nondet8); {8209#false} is VALID [2020-07-11 02:20:42,869 INFO L280 TraceCheckUtils]: 95: Hoare triple {8209#false} havoc #t~nondet8; {8209#false} is VALID [2020-07-11 02:20:42,870 INFO L280 TraceCheckUtils]: 96: Hoare triple {8209#false} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {8209#false} is VALID [2020-07-11 02:20:42,870 INFO L280 TraceCheckUtils]: 97: Hoare triple {8209#false} assume !(0 != #t~nondet9); {8209#false} is VALID [2020-07-11 02:20:42,870 INFO L280 TraceCheckUtils]: 98: Hoare triple {8209#false} havoc #t~nondet9; {8209#false} is VALID [2020-07-11 02:20:42,870 INFO L280 TraceCheckUtils]: 99: Hoare triple {8209#false} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {8209#false} is VALID [2020-07-11 02:20:42,871 INFO L280 TraceCheckUtils]: 100: Hoare triple {8209#false} assume !(0 != #t~nondet10); {8209#false} is VALID [2020-07-11 02:20:42,871 INFO L280 TraceCheckUtils]: 101: Hoare triple {8209#false} havoc #t~nondet10; {8209#false} is VALID [2020-07-11 02:20:42,871 INFO L280 TraceCheckUtils]: 102: Hoare triple {8209#false} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8209#false} is VALID [2020-07-11 02:20:42,871 INFO L280 TraceCheckUtils]: 103: Hoare triple {8209#false} assume !(0 != #t~nondet11); {8209#false} is VALID [2020-07-11 02:20:42,872 INFO L280 TraceCheckUtils]: 104: Hoare triple {8209#false} havoc #t~nondet11; {8209#false} is VALID [2020-07-11 02:20:42,872 INFO L280 TraceCheckUtils]: 105: Hoare triple {8209#false} assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647; {8209#false} is VALID [2020-07-11 02:20:42,872 INFO L280 TraceCheckUtils]: 106: Hoare triple {8209#false} assume 0 != #t~nondet12; {8209#false} is VALID [2020-07-11 02:20:42,872 INFO L280 TraceCheckUtils]: 107: Hoare triple {8209#false} havoc #t~nondet12; {8209#false} is VALID [2020-07-11 02:20:42,873 INFO L280 TraceCheckUtils]: 108: Hoare triple {8209#false} ~method_id~0 := 4; {8209#false} is VALID [2020-07-11 02:20:42,873 INFO L280 TraceCheckUtils]: 109: Hoare triple {8209#false} assume 0 != ~this_sink~0; {8209#false} is VALID [2020-07-11 02:20:42,873 INFO L280 TraceCheckUtils]: 110: Hoare triple {8209#false} assume !false; {8209#false} is VALID [2020-07-11 02:20:42,881 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-11 02:20:42,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530153133] [2020-07-11 02:20:42,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:20:42,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 02:20:42,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623095685] [2020-07-11 02:20:42,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-07-11 02:20:42,883 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:20:42,883 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 02:20:42,975 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:42,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 02:20:42,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:20:42,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 02:20:42,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 02:20:42,976 INFO L87 Difference]: Start difference. First operand 281 states and 322 transitions. Second operand 4 states. [2020-07-11 02:20:44,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:44,349 INFO L93 Difference]: Finished difference Result 460 states and 530 transitions. [2020-07-11 02:20:44,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 02:20:44,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-07-11 02:20:44,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:20:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:44,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 315 transitions. [2020-07-11 02:20:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 02:20:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 315 transitions. [2020-07-11 02:20:44,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 315 transitions. [2020-07-11 02:20:44,721 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 315 edges. 315 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:44,726 INFO L225 Difference]: With dead ends: 460 [2020-07-11 02:20:44,726 INFO L226 Difference]: Without dead ends: 217 [2020-07-11 02:20:44,727 INFO L675 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 [2020-07-11 02:20:44,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-11 02:20:45,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-07-11 02:20:45,527 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:20:45,527 INFO L82 GeneralOperation]: Start isEquivalent. First operand 217 states. Second operand 217 states. [2020-07-11 02:20:45,527 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 217 states. [2020-07-11 02:20:45,527 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 217 states. [2020-07-11 02:20:45,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:45,533 INFO L93 Difference]: Finished difference Result 217 states and 245 transitions. [2020-07-11 02:20:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 245 transitions. [2020-07-11 02:20:45,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:45,534 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:45,534 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 217 states. [2020-07-11 02:20:45,534 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 217 states. [2020-07-11 02:20:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:45,539 INFO L93 Difference]: Finished difference Result 217 states and 245 transitions. [2020-07-11 02:20:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 245 transitions. [2020-07-11 02:20:45,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:45,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:45,540 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:20:45,540 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:20:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-11 02:20:45,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 245 transitions. [2020-07-11 02:20:45,546 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 245 transitions. Word has length 111 [2020-07-11 02:20:45,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:20:45,546 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 245 transitions. [2020-07-11 02:20:45,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 02:20:45,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 217 states and 245 transitions. [2020-07-11 02:20:45,881 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 245 edges. 245 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 245 transitions. [2020-07-11 02:20:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-11 02:20:45,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:20:45,883 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:20:45,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 02:20:45,884 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:20:45,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:20:45,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1519310599, now seen corresponding path program 1 times [2020-07-11 02:20:45,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:20:45,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648226823] [2020-07-11 02:20:45,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:20:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:20:46,018 INFO L280 TraceCheckUtils]: 0: Hoare triple {10025#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {10013#true} is VALID [2020-07-11 02:20:46,019 INFO L280 TraceCheckUtils]: 1: Hoare triple {10013#true} ~m_PipedOutputStream~0 := 2; {10013#true} is VALID [2020-07-11 02:20:46,019 INFO L280 TraceCheckUtils]: 2: Hoare triple {10013#true} ~m_close~0 := 3; {10013#true} is VALID [2020-07-11 02:20:46,019 INFO L280 TraceCheckUtils]: 3: Hoare triple {10013#true} ~m_write~0 := 4; {10013#true} is VALID [2020-07-11 02:20:46,019 INFO L280 TraceCheckUtils]: 4: Hoare triple {10013#true} ~m_connect_1~0 := 5; {10013#true} is VALID [2020-07-11 02:20:46,020 INFO L280 TraceCheckUtils]: 5: Hoare triple {10013#true} ~m_connect_2~0 := 6; {10013#true} is VALID [2020-07-11 02:20:46,020 INFO L280 TraceCheckUtils]: 6: Hoare triple {10013#true} assume true; {10013#true} is VALID [2020-07-11 02:20:46,020 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {10013#true} {10013#true} #452#return; {10013#true} is VALID [2020-07-11 02:20:46,022 INFO L263 TraceCheckUtils]: 0: Hoare triple {10013#true} call ULTIMATE.init(); {10025#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} is VALID [2020-07-11 02:20:46,022 INFO L280 TraceCheckUtils]: 1: Hoare triple {10025#(and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|))} ~m_flush~0 := 1; {10013#true} is VALID [2020-07-11 02:20:46,022 INFO L280 TraceCheckUtils]: 2: Hoare triple {10013#true} ~m_PipedOutputStream~0 := 2; {10013#true} is VALID [2020-07-11 02:20:46,023 INFO L280 TraceCheckUtils]: 3: Hoare triple {10013#true} ~m_close~0 := 3; {10013#true} is VALID [2020-07-11 02:20:46,023 INFO L280 TraceCheckUtils]: 4: Hoare triple {10013#true} ~m_write~0 := 4; {10013#true} is VALID [2020-07-11 02:20:46,023 INFO L280 TraceCheckUtils]: 5: Hoare triple {10013#true} ~m_connect_1~0 := 5; {10013#true} is VALID [2020-07-11 02:20:46,023 INFO L280 TraceCheckUtils]: 6: Hoare triple {10013#true} ~m_connect_2~0 := 6; {10013#true} is VALID [2020-07-11 02:20:46,023 INFO L280 TraceCheckUtils]: 7: Hoare triple {10013#true} assume true; {10013#true} is VALID [2020-07-11 02:20:46,024 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {10013#true} {10013#true} #452#return; {10013#true} is VALID [2020-07-11 02:20:46,024 INFO L263 TraceCheckUtils]: 9: Hoare triple {10013#true} call #t~ret22 := main(); {10013#true} is VALID [2020-07-11 02:20:46,024 INFO L280 TraceCheckUtils]: 10: Hoare triple {10013#true} ~q~0 := 0; {10013#true} is VALID [2020-07-11 02:20:46,025 INFO L280 TraceCheckUtils]: 11: Hoare triple {10013#true} havoc ~method_id~0; {10013#true} is VALID [2020-07-11 02:20:46,025 INFO L280 TraceCheckUtils]: 12: Hoare triple {10013#true} ~this_sink~0 := 0; {10013#true} is VALID [2020-07-11 02:20:46,025 INFO L280 TraceCheckUtils]: 13: Hoare triple {10013#true} ~this_sinkConnected~0 := 0; {10013#true} is VALID [2020-07-11 02:20:46,025 INFO L280 TraceCheckUtils]: 14: Hoare triple {10013#true} goto; {10013#true} is VALID [2020-07-11 02:20:46,025 INFO L280 TraceCheckUtils]: 15: Hoare triple {10013#true} assume !false; {10013#true} is VALID [2020-07-11 02:20:46,026 INFO L280 TraceCheckUtils]: 16: Hoare triple {10013#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,026 INFO L280 TraceCheckUtils]: 17: Hoare triple {10013#true} ~P1~0 := #t~nondet0; {10013#true} is VALID [2020-07-11 02:20:46,026 INFO L280 TraceCheckUtils]: 18: Hoare triple {10013#true} havoc #t~nondet0; {10013#true} is VALID [2020-07-11 02:20:46,026 INFO L280 TraceCheckUtils]: 19: Hoare triple {10013#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,026 INFO L280 TraceCheckUtils]: 20: Hoare triple {10013#true} ~P2~0 := #t~nondet1; {10013#true} is VALID [2020-07-11 02:20:46,027 INFO L280 TraceCheckUtils]: 21: Hoare triple {10013#true} havoc #t~nondet1; {10013#true} is VALID [2020-07-11 02:20:46,027 INFO L280 TraceCheckUtils]: 22: Hoare triple {10013#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,027 INFO L280 TraceCheckUtils]: 23: Hoare triple {10013#true} ~P3~0 := #t~nondet2; {10013#true} is VALID [2020-07-11 02:20:46,027 INFO L280 TraceCheckUtils]: 24: Hoare triple {10013#true} havoc #t~nondet2; {10013#true} is VALID [2020-07-11 02:20:46,027 INFO L280 TraceCheckUtils]: 25: Hoare triple {10013#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,028 INFO L280 TraceCheckUtils]: 26: Hoare triple {10013#true} ~P4~0 := #t~nondet3; {10013#true} is VALID [2020-07-11 02:20:46,028 INFO L280 TraceCheckUtils]: 27: Hoare triple {10013#true} havoc #t~nondet3; {10013#true} is VALID [2020-07-11 02:20:46,028 INFO L280 TraceCheckUtils]: 28: Hoare triple {10013#true} assume 0 == ~q~0; {10013#true} is VALID [2020-07-11 02:20:46,028 INFO L280 TraceCheckUtils]: 29: Hoare triple {10013#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,029 INFO L280 TraceCheckUtils]: 30: Hoare triple {10013#true} assume 0 != #t~nondet4; {10013#true} is VALID [2020-07-11 02:20:46,029 INFO L280 TraceCheckUtils]: 31: Hoare triple {10013#true} havoc #t~nondet4; {10013#true} is VALID [2020-07-11 02:20:46,029 INFO L280 TraceCheckUtils]: 32: Hoare triple {10013#true} ~method_id~0 := 2; {10013#true} is VALID [2020-07-11 02:20:46,029 INFO L280 TraceCheckUtils]: 33: Hoare triple {10013#true} assume !false; {10013#true} is VALID [2020-07-11 02:20:46,029 INFO L280 TraceCheckUtils]: 34: Hoare triple {10013#true} ~q~0 := 2; {10013#true} is VALID [2020-07-11 02:20:46,030 INFO L280 TraceCheckUtils]: 35: Hoare triple {10013#true} ~this_sink~0 := 0; {10013#true} is VALID [2020-07-11 02:20:46,030 INFO L280 TraceCheckUtils]: 36: Hoare triple {10013#true} ~this_sinkConnected~0 := 0; {10013#true} is VALID [2020-07-11 02:20:46,030 INFO L280 TraceCheckUtils]: 37: Hoare triple {10013#true} assume !false; {10013#true} is VALID [2020-07-11 02:20:46,030 INFO L280 TraceCheckUtils]: 38: Hoare triple {10013#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,031 INFO L280 TraceCheckUtils]: 39: Hoare triple {10013#true} ~P1~0 := #t~nondet0; {10013#true} is VALID [2020-07-11 02:20:46,031 INFO L280 TraceCheckUtils]: 40: Hoare triple {10013#true} havoc #t~nondet0; {10013#true} is VALID [2020-07-11 02:20:46,031 INFO L280 TraceCheckUtils]: 41: Hoare triple {10013#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,031 INFO L280 TraceCheckUtils]: 42: Hoare triple {10013#true} ~P2~0 := #t~nondet1; {10013#true} is VALID [2020-07-11 02:20:46,031 INFO L280 TraceCheckUtils]: 43: Hoare triple {10013#true} havoc #t~nondet1; {10013#true} is VALID [2020-07-11 02:20:46,032 INFO L280 TraceCheckUtils]: 44: Hoare triple {10013#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,032 INFO L280 TraceCheckUtils]: 45: Hoare triple {10013#true} ~P3~0 := #t~nondet2; {10013#true} is VALID [2020-07-11 02:20:46,032 INFO L280 TraceCheckUtils]: 46: Hoare triple {10013#true} havoc #t~nondet2; {10013#true} is VALID [2020-07-11 02:20:46,032 INFO L280 TraceCheckUtils]: 47: Hoare triple {10013#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,032 INFO L280 TraceCheckUtils]: 48: Hoare triple {10013#true} ~P4~0 := #t~nondet3; {10013#true} is VALID [2020-07-11 02:20:46,033 INFO L280 TraceCheckUtils]: 49: Hoare triple {10013#true} havoc #t~nondet3; {10013#true} is VALID [2020-07-11 02:20:46,033 INFO L280 TraceCheckUtils]: 50: Hoare triple {10013#true} assume !(0 == ~q~0); {10013#true} is VALID [2020-07-11 02:20:46,033 INFO L280 TraceCheckUtils]: 51: Hoare triple {10013#true} assume !(1 == ~q~0); {10013#true} is VALID [2020-07-11 02:20:46,033 INFO L280 TraceCheckUtils]: 52: Hoare triple {10013#true} assume 2 == ~q~0; {10013#true} is VALID [2020-07-11 02:20:46,033 INFO L280 TraceCheckUtils]: 53: Hoare triple {10013#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,033 INFO L280 TraceCheckUtils]: 54: Hoare triple {10013#true} assume !(0 != #t~nondet8); {10013#true} is VALID [2020-07-11 02:20:46,034 INFO L280 TraceCheckUtils]: 55: Hoare triple {10013#true} havoc #t~nondet8; {10013#true} is VALID [2020-07-11 02:20:46,034 INFO L280 TraceCheckUtils]: 56: Hoare triple {10013#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,034 INFO L280 TraceCheckUtils]: 57: Hoare triple {10013#true} assume !(0 != #t~nondet9); {10013#true} is VALID [2020-07-11 02:20:46,034 INFO L280 TraceCheckUtils]: 58: Hoare triple {10013#true} havoc #t~nondet9; {10013#true} is VALID [2020-07-11 02:20:46,034 INFO L280 TraceCheckUtils]: 59: Hoare triple {10013#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,035 INFO L280 TraceCheckUtils]: 60: Hoare triple {10013#true} assume !(0 != #t~nondet10); {10013#true} is VALID [2020-07-11 02:20:46,035 INFO L280 TraceCheckUtils]: 61: Hoare triple {10013#true} havoc #t~nondet10; {10013#true} is VALID [2020-07-11 02:20:46,035 INFO L280 TraceCheckUtils]: 62: Hoare triple {10013#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,035 INFO L280 TraceCheckUtils]: 63: Hoare triple {10013#true} assume !(0 != #t~nondet11); {10013#true} is VALID [2020-07-11 02:20:46,035 INFO L280 TraceCheckUtils]: 64: Hoare triple {10013#true} havoc #t~nondet11; {10013#true} is VALID [2020-07-11 02:20:46,036 INFO L280 TraceCheckUtils]: 65: Hoare triple {10013#true} assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,036 INFO L280 TraceCheckUtils]: 66: Hoare triple {10013#true} assume !(0 != #t~nondet12); {10013#true} is VALID [2020-07-11 02:20:46,036 INFO L280 TraceCheckUtils]: 67: Hoare triple {10013#true} havoc #t~nondet12; {10013#true} is VALID [2020-07-11 02:20:46,036 INFO L280 TraceCheckUtils]: 68: Hoare triple {10013#true} assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647; {10013#true} is VALID [2020-07-11 02:20:46,036 INFO L280 TraceCheckUtils]: 69: Hoare triple {10013#true} assume 0 != #t~nondet13; {10013#true} is VALID [2020-07-11 02:20:46,036 INFO L280 TraceCheckUtils]: 70: Hoare triple {10013#true} havoc #t~nondet13; {10013#true} is VALID [2020-07-11 02:20:46,043 INFO L280 TraceCheckUtils]: 71: Hoare triple {10013#true} assume 1 != ~P2~0 && 0 != ~P1~0; {10023#(or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))} is VALID [2020-07-11 02:20:46,044 INFO L280 TraceCheckUtils]: 72: Hoare triple {10023#(or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))} ~method_id~0 := 5; {10023#(or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))} is VALID [2020-07-11 02:20:46,045 INFO L280 TraceCheckUtils]: 73: Hoare triple {10023#(or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))} assume !((0 != ~this_sink~0 && 0 != ~P1~0) && 1 != ~P2~0 && 0 != ~P1~0); {10023#(or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))} is VALID [2020-07-11 02:20:46,046 INFO L280 TraceCheckUtils]: 74: Hoare triple {10023#(or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))} ~q~0 := 3; {10023#(or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))} is VALID [2020-07-11 02:20:46,046 INFO L280 TraceCheckUtils]: 75: Hoare triple {10023#(or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))} ~this_sink~0 := ~P1~0; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,047 INFO L280 TraceCheckUtils]: 76: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} ~this_sinkConnected~0 := 1; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,048 INFO L280 TraceCheckUtils]: 77: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume !false; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,048 INFO L280 TraceCheckUtils]: 78: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,049 INFO L280 TraceCheckUtils]: 79: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} ~P1~0 := #t~nondet0; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,050 INFO L280 TraceCheckUtils]: 80: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet0; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,050 INFO L280 TraceCheckUtils]: 81: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,051 INFO L280 TraceCheckUtils]: 82: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} ~P2~0 := #t~nondet1; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,052 INFO L280 TraceCheckUtils]: 83: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet1; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,052 INFO L280 TraceCheckUtils]: 84: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,053 INFO L280 TraceCheckUtils]: 85: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} ~P3~0 := #t~nondet2; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,054 INFO L280 TraceCheckUtils]: 86: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet2; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,054 INFO L280 TraceCheckUtils]: 87: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,055 INFO L280 TraceCheckUtils]: 88: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} ~P4~0 := #t~nondet3; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,056 INFO L280 TraceCheckUtils]: 89: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet3; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,056 INFO L280 TraceCheckUtils]: 90: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume !(0 == ~q~0); {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,057 INFO L280 TraceCheckUtils]: 91: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume !(1 == ~q~0); {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,058 INFO L280 TraceCheckUtils]: 92: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume !(2 == ~q~0); {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,058 INFO L280 TraceCheckUtils]: 93: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume 3 == ~q~0; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,059 INFO L280 TraceCheckUtils]: 94: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,059 INFO L280 TraceCheckUtils]: 95: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume !(0 != #t~nondet15); {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,060 INFO L280 TraceCheckUtils]: 96: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet15; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,061 INFO L280 TraceCheckUtils]: 97: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,062 INFO L280 TraceCheckUtils]: 98: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume !(0 != #t~nondet16); {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,062 INFO L280 TraceCheckUtils]: 99: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet16; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,063 INFO L280 TraceCheckUtils]: 100: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,064 INFO L280 TraceCheckUtils]: 101: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume !(0 != #t~nondet17); {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,065 INFO L280 TraceCheckUtils]: 102: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet17; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,065 INFO L280 TraceCheckUtils]: 103: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,066 INFO L280 TraceCheckUtils]: 104: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume !(0 != #t~nondet18); {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,067 INFO L280 TraceCheckUtils]: 105: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet18; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,068 INFO L280 TraceCheckUtils]: 106: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,068 INFO L280 TraceCheckUtils]: 107: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume 0 != #t~nondet19; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,069 INFO L280 TraceCheckUtils]: 108: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} havoc #t~nondet19; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,070 INFO L280 TraceCheckUtils]: 109: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} ~method_id~0 := 4; {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} is VALID [2020-07-11 02:20:46,070 INFO L280 TraceCheckUtils]: 110: Hoare triple {10024#(or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))} assume 0 == ~this_sink~0; {10014#false} is VALID [2020-07-11 02:20:46,071 INFO L280 TraceCheckUtils]: 111: Hoare triple {10014#false} assume !false; {10014#false} is VALID [2020-07-11 02:20:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-11 02:20:46,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648226823] [2020-07-11 02:20:46,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:20:46,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 02:20:46,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298471010] [2020-07-11 02:20:46,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-07-11 02:20:46,107 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:20:46,107 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 02:20:46,225 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:46,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 02:20:46,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:20:46,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 02:20:46,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 02:20:46,227 INFO L87 Difference]: Start difference. First operand 217 states and 245 transitions. Second operand 5 states. [2020-07-11 02:20:47,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:47,883 INFO L93 Difference]: Finished difference Result 225 states and 253 transitions. [2020-07-11 02:20:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-11 02:20:47,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-07-11 02:20:47,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:20:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 02:20:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 240 transitions. [2020-07-11 02:20:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 02:20:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 240 transitions. [2020-07-11 02:20:47,888 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 240 transitions. [2020-07-11 02:20:48,200 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 240 edges. 240 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:48,200 INFO L225 Difference]: With dead ends: 225 [2020-07-11 02:20:48,200 INFO L226 Difference]: Without dead ends: 0 [2020-07-11 02:20:48,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-11 02:20:48,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-11 02:20:48,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-11 02:20:48,202 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:20:48,202 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-11 02:20:48,202 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-11 02:20:48,203 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-11 02:20:48,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:48,203 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-11 02:20:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 02:20:48,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:48,203 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:48,203 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-11 02:20:48,204 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-11 02:20:48,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:20:48,204 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-11 02:20:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 02:20:48,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:48,204 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:20:48,205 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:20:48,205 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:20:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-11 02:20:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-11 02:20:48,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2020-07-11 02:20:48,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:20:48,206 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-11 02:20:48,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 02:20:48,206 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-11 02:20:48,206 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:20:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 02:20:48,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:20:48,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 02:20:48,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-11 02:20:52,053 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-11 02:20:52,054 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-11 02:20:52,054 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|)) [2020-07-11 02:20:52,054 INFO L271 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-07-11 02:20:52,054 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-07-11 02:20:52,054 INFO L271 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: true [2020-07-11 02:20:52,055 INFO L271 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: true [2020-07-11 02:20:52,055 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-11 02:20:52,055 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-11 02:20:52,055 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-11 02:20:52,055 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-11 02:20:52,055 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-11 02:20:52,055 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: false [2020-07-11 02:20:52,055 INFO L264 CegarLoopResult]: At program point L250-1(line 250) the Hoare annotation is: false [2020-07-11 02:20:52,055 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 344) the Hoare annotation is: true [2020-07-11 02:20:52,056 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: false [2020-07-11 02:20:52,056 INFO L264 CegarLoopResult]: At program point L118-1(line 118) the Hoare annotation is: false [2020-07-11 02:20:52,056 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (= 0 main_~q~0) [2020-07-11 02:20:52,056 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,056 INFO L264 CegarLoopResult]: At program point L234-1(line 234) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,056 INFO L264 CegarLoopResult]: At program point L36(lines 36 47) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,056 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-07-11 02:20:52,057 INFO L264 CegarLoopResult]: At program point L53(lines 53 104) the Hoare annotation is: (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~this_sink~0) (= 2 main_~q~0))) [2020-07-11 02:20:52,057 INFO L264 CegarLoopResult]: At program point L86-1(lines 86 101) the Hoare annotation is: false [2020-07-11 02:20:52,057 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,057 INFO L264 CegarLoopResult]: At program point L86-2(line 86) the Hoare annotation is: false [2020-07-11 02:20:52,057 INFO L264 CegarLoopResult]: At program point L86-3(line 86) the Hoare annotation is: false [2020-07-11 02:20:52,057 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,057 INFO L264 CegarLoopResult]: At program point L202-1(lines 202 217) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,058 INFO L264 CegarLoopResult]: At program point L202-2(line 202) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,058 INFO L264 CegarLoopResult]: At program point L202-3(line 202) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,058 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: false [2020-07-11 02:20:52,058 INFO L264 CegarLoopResult]: At program point L70-1(lines 70 85) the Hoare annotation is: false [2020-07-11 02:20:52,058 INFO L264 CegarLoopResult]: At program point L70-2(line 70) the Hoare annotation is: false [2020-07-11 02:20:52,058 INFO L264 CegarLoopResult]: At program point L70-3(line 70) the Hoare annotation is: false [2020-07-11 02:20:52,058 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,059 INFO L264 CegarLoopResult]: At program point L318-1(lines 318 333) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,059 INFO L264 CegarLoopResult]: At program point L318-2(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,059 INFO L264 CegarLoopResult]: At program point L318-3(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,059 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,059 INFO L264 CegarLoopResult]: At program point L186-1(lines 186 201) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,059 INFO L264 CegarLoopResult]: At program point L186-2(line 186) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,059 INFO L264 CegarLoopResult]: At program point L186-3(line 186) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,060 INFO L264 CegarLoopResult]: At program point L54(line 54) the Hoare annotation is: false [2020-07-11 02:20:52,060 INFO L264 CegarLoopResult]: At program point L54-1(lines 54 69) the Hoare annotation is: false [2020-07-11 02:20:52,060 INFO L264 CegarLoopResult]: At program point L54-2(line 54) the Hoare annotation is: false [2020-07-11 02:20:52,060 INFO L264 CegarLoopResult]: At program point L54-3(line 54) the Hoare annotation is: false [2020-07-11 02:20:52,060 INFO L264 CegarLoopResult]: At program point L335(lines 23 339) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,060 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,060 INFO L264 CegarLoopResult]: At program point L302-1(lines 302 317) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,061 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 344) the Hoare annotation is: true [2020-07-11 02:20:52,061 INFO L264 CegarLoopResult]: At program point L302-2(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,061 INFO L264 CegarLoopResult]: At program point L302-3(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,061 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,061 INFO L264 CegarLoopResult]: At program point L170-1(lines 170 185) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,061 INFO L264 CegarLoopResult]: At program point L170-2(line 170) the Hoare annotation is: (and (<= 2 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,061 INFO L264 CegarLoopResult]: At program point L170-3(line 170) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,062 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,062 INFO L264 CegarLoopResult]: At program point L286-1(lines 286 301) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,062 INFO L264 CegarLoopResult]: At program point L286-2(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,062 INFO L264 CegarLoopResult]: At program point L286-3(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,062 INFO L264 CegarLoopResult]: At program point L154(line 154) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,062 INFO L264 CegarLoopResult]: At program point L154-1(lines 154 169) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,063 INFO L264 CegarLoopResult]: At program point L88(lines 88 99) the Hoare annotation is: false [2020-07-11 02:20:52,063 INFO L264 CegarLoopResult]: At program point L154-2(line 154) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,063 INFO L264 CegarLoopResult]: At program point L154-3(line 154) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,063 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,063 INFO L264 CegarLoopResult]: At program point L270-1(lines 270 285) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,063 INFO L264 CegarLoopResult]: At program point L204(lines 204 215) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,063 INFO L264 CegarLoopResult]: At program point L270-2(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,064 INFO L264 CegarLoopResult]: At program point L270-3(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,064 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,064 INFO L264 CegarLoopResult]: At program point L105(lines 105 220) the Hoare annotation is: (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~this_sink~0) (= 2 main_~q~0))) [2020-07-11 02:20:52,064 INFO L264 CegarLoopResult]: At program point L138-1(lines 138 153) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,064 INFO L264 CegarLoopResult]: At program point L72(lines 72 83) the Hoare annotation is: false [2020-07-11 02:20:52,064 INFO L264 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,064 INFO L264 CegarLoopResult]: At program point L138-3(line 138) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,064 INFO L264 CegarLoopResult]: At program point L320(lines 320 331) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,065 INFO L264 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,065 INFO L264 CegarLoopResult]: At program point L221(lines 221 336) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,065 INFO L264 CegarLoopResult]: At program point L254-1(lines 254 269) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,065 INFO L264 CegarLoopResult]: At program point L188(lines 188 199) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,065 INFO L264 CegarLoopResult]: At program point L254-2(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,065 INFO L264 CegarLoopResult]: At program point L254-3(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,065 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,066 INFO L264 CegarLoopResult]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,066 INFO L264 CegarLoopResult]: At program point L56(lines 56 67) the Hoare annotation is: false [2020-07-11 02:20:52,066 INFO L264 CegarLoopResult]: At program point L122-2(line 122) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,066 INFO L264 CegarLoopResult]: At program point L122-3(line 122) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,066 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 339) the Hoare annotation is: (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) (= 0 main_~this_sink~0))) [2020-07-11 02:20:52,066 INFO L271 CegarLoopResult]: At program point L23-3(lines 23 339) the Hoare annotation is: true [2020-07-11 02:20:52,066 INFO L264 CegarLoopResult]: At program point L304(lines 304 315) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,066 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,067 INFO L264 CegarLoopResult]: At program point L238-1(lines 238 253) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,067 INFO L264 CegarLoopResult]: At program point L172(lines 172 183) the Hoare annotation is: (and (<= 2 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,067 INFO L264 CegarLoopResult]: At program point L238-2(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,067 INFO L264 CegarLoopResult]: At program point L238-3(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,067 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,067 INFO L264 CegarLoopResult]: At program point L106-1(lines 106 121) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,067 INFO L264 CegarLoopResult]: At program point L40(lines 40 42) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,068 INFO L264 CegarLoopResult]: At program point L106-2(line 106) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,068 INFO L264 CegarLoopResult]: At program point L106-3(line 106) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,068 INFO L264 CegarLoopResult]: At program point L288(lines 288 299) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,068 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,068 INFO L264 CegarLoopResult]: At program point L222-1(lines 222 237) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,068 INFO L264 CegarLoopResult]: At program point L156(lines 156 167) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,068 INFO L264 CegarLoopResult]: At program point L222-2(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,069 INFO L264 CegarLoopResult]: At program point L222-3(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,069 INFO L271 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: true [2020-07-11 02:20:52,069 INFO L264 CegarLoopResult]: At program point L272(lines 272 283) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,069 INFO L271 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: true [2020-07-11 02:20:52,069 INFO L264 CegarLoopResult]: At program point L140(lines 140 151) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,069 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: false [2020-07-11 02:20:52,069 INFO L271 CegarLoopResult]: At program point L322(line 322) the Hoare annotation is: true [2020-07-11 02:20:52,069 INFO L264 CegarLoopResult]: At program point L256(lines 256 267) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,070 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (and (= 0 main_~this_sink~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= 2 main_~q~0)) [2020-07-11 02:20:52,070 INFO L264 CegarLoopResult]: At program point L124(lines 124 135) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,070 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,070 INFO L264 CegarLoopResult]: At program point L240(lines 240 251) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,070 INFO L264 CegarLoopResult]: At program point L108(lines 108 119) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,070 INFO L264 CegarLoopResult]: At program point L224(lines 224 235) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,070 INFO L264 CegarLoopResult]: At program point L158(line 158) the Hoare annotation is: false [2020-07-11 02:20:52,070 INFO L271 CegarLoopResult]: At program point L92(lines 92 94) the Hoare annotation is: true [2020-07-11 02:20:52,071 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,071 INFO L264 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,071 INFO L264 CegarLoopResult]: At program point L26-2(line 26) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,071 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: false [2020-07-11 02:20:52,071 INFO L271 CegarLoopResult]: At program point L208(lines 208 210) the Hoare annotation is: true [2020-07-11 02:20:52,071 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: false [2020-07-11 02:20:52,071 INFO L264 CegarLoopResult]: At program point L76(lines 76 78) the Hoare annotation is: false [2020-07-11 02:20:52,072 INFO L271 CegarLoopResult]: At program point L324(lines 324 326) the Hoare annotation is: true [2020-07-11 02:20:52,072 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,072 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (and (= 0 main_~this_sink~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= 2 main_~q~0)) [2020-07-11 02:20:52,072 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: false [2020-07-11 02:20:52,072 INFO L264 CegarLoopResult]: At program point L60(lines 60 62) the Hoare annotation is: false [2020-07-11 02:20:52,072 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,073 INFO L264 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,073 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,073 INFO L264 CegarLoopResult]: At program point L308(lines 308 310) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,073 INFO L264 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: false [2020-07-11 02:20:52,073 INFO L264 CegarLoopResult]: At program point L176(lines 176 178) the Hoare annotation is: (and (<= 2 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,073 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-07-11 02:20:52,073 INFO L264 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,074 INFO L264 CegarLoopResult]: At program point L325(lines 13 344) the Hoare annotation is: false [2020-07-11 02:20:52,074 INFO L264 CegarLoopResult]: At program point L292(lines 292 294) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,074 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,074 INFO L264 CegarLoopResult]: At program point L160(lines 160 162) the Hoare annotation is: false [2020-07-11 02:20:52,074 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,074 INFO L264 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,074 INFO L264 CegarLoopResult]: At program point L28-2(line 28) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,075 INFO L264 CegarLoopResult]: At program point L276(lines 276 278) the Hoare annotation is: false [2020-07-11 02:20:52,075 INFO L264 CegarLoopResult]: At program point L144(lines 144 146) the Hoare annotation is: false [2020-07-11 02:20:52,075 INFO L264 CegarLoopResult]: At program point L260(lines 260 262) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,075 INFO L264 CegarLoopResult]: At program point L128(lines 128 130) the Hoare annotation is: false [2020-07-11 02:20:52,075 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,075 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,075 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,076 INFO L264 CegarLoopResult]: At program point L244(lines 244 246) the Hoare annotation is: false [2020-07-11 02:20:52,076 INFO L264 CegarLoopResult]: At program point L112(lines 112 114) the Hoare annotation is: false [2020-07-11 02:20:52,076 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,076 INFO L264 CegarLoopResult]: At program point L46-1(line 46) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-11 02:20:52,076 INFO L264 CegarLoopResult]: At program point L228(lines 228 230) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,076 INFO L271 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: true [2020-07-11 02:20:52,076 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 343) the Hoare annotation is: false [2020-07-11 02:20:52,076 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 344) the Hoare annotation is: true [2020-07-11 02:20:52,077 INFO L271 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: true [2020-07-11 02:20:52,077 INFO L271 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: true [2020-07-11 02:20:52,077 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-11 02:20:52,077 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (and (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= 2 main_~q~0)) [2020-07-11 02:20:52,077 INFO L271 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: true [2020-07-11 02:20:52,077 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true [2020-07-11 02:20:52,077 INFO L271 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: true [2020-07-11 02:20:52,077 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,077 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: false [2020-07-11 02:20:52,078 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: false [2020-07-11 02:20:52,078 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: false [2020-07-11 02:20:52,078 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= 0 main_~q~0) [2020-07-11 02:20:52,078 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,078 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2020-07-11 02:20:52,078 INFO L264 CegarLoopResult]: At program point L198-1(line 198) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,078 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: false [2020-07-11 02:20:52,078 INFO L264 CegarLoopResult]: At program point L33(lines 33 52) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-11 02:20:52,079 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: false [2020-07-11 02:20:52,079 INFO L264 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: false [2020-07-11 02:20:52,079 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,079 INFO L264 CegarLoopResult]: At program point L298-1(line 298) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,079 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,079 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: false [2020-07-11 02:20:52,079 INFO L264 CegarLoopResult]: At program point L166-1(line 166) the Hoare annotation is: false [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L34-1(lines 34 49) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L34-2(line 34) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L34-3(line 34) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: false [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L282-1(line 282) the Hoare annotation is: false [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: false [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L150-1(line 150) the Hoare annotation is: false [2020-07-11 02:20:52,080 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,081 INFO L264 CegarLoopResult]: At program point L266-1(line 266) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-11 02:20:52,081 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: false [2020-07-11 02:20:52,081 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: false [2020-07-11 02:20:52,164 INFO L163 areAnnotationChecker]: CFG has 260 edges. 260 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 02:20:52,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 02:20:52 BoogieIcfgContainer [2020-07-11 02:20:52,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 02:20:52,193 INFO L168 Benchmark]: Toolchain (without parser) took 27289.08 ms. Allocated memory was 146.3 MB in the beginning and 470.8 MB in the end (delta: 324.5 MB). Free memory was 103.2 MB in the beginning and 253.1 MB in the end (delta: -149.8 MB). Peak memory consumption was 174.7 MB. Max. memory is 7.1 GB. [2020-07-11 02:20:52,201 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-11 02:20:52,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.37 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.0 MB in the beginning and 182.4 MB in the end (delta: -79.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-11 02:20:52,203 INFO L168 Benchmark]: Boogie Preprocessor took 57.01 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 180.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-07-11 02:20:52,204 INFO L168 Benchmark]: RCFGBuilder took 855.19 ms. Allocated memory is still 203.9 MB. Free memory was 180.5 MB in the beginning and 114.7 MB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB. [2020-07-11 02:20:52,205 INFO L168 Benchmark]: TraceAbstraction took 25971.63 ms. Allocated memory was 203.9 MB in the beginning and 470.8 MB in the end (delta: 266.9 MB). Free memory was 114.0 MB in the beginning and 253.1 MB in the end (delta: -139.0 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2020-07-11 02:20:52,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 391.37 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.0 MB in the beginning and 182.4 MB in the end (delta: -79.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.01 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 180.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 855.19 ms. Allocated memory is still 203.9 MB. Free memory was 180.5 MB in the beginning and 114.7 MB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25971.63 ms. Allocated memory was 203.9 MB in the beginning and 470.8 MB in the end (delta: 266.9 MB). Free memory was 114.0 MB in the beginning and 253.1 MB in the end (delta: -139.0 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) || (0 == q && 0 == this_sink)) || (0 == this_sink && 2 == q) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) || (0 == q && 0 == this_sink) - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.9s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1253 SDtfs, 1672 SDslu, 85 SDs, 0 SdLazy, 805 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 201 LocationsWithAnnotation, 201 PreInvPairs, 375 NumberOfFragments, 1654 HoareAnnotationTreeSize, 201 FomulaSimplifications, 420 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 201 FomulaSimplificationsInter, 3437 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 97882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 144/144 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...