/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:04:00,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:04:00,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:04:00,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 01:04:00,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 01:04:00,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 01:04:00,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 01:04:00,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 01:04:00,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 01:04:00,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 01:04:00,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 01:04:00,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 01:04:00,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:04:00,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:04:00,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:04:00,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:04:00,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:04:00,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:04:00,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:04:00,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:04:00,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:04:00,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:04:00,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:04:00,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:04:00,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:04:00,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:04:00,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:04:00,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:04:00,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:04:00,536 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:04:00,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:04:00,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:04:00,541 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:04:00,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:04:00,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:04:00,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:04:00,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:04:00,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:04:00,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:04:00,544 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:04:00,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:04:00,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:04:00,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:04:00,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:04:00,546 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:04:00,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:04:00,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:04:00,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:04:00,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:04:00,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:04:00,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:04:00,547 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:04:01,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:04:01,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:04:01,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:04:01,359 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:04:01,360 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:04:01,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-10-24 01:04:01,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26c5e1f49/861116eba00143659c47afb06384e99e/FLAG7fee9baad [2020-10-24 01:04:02,109 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:04:02,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-10-24 01:04:02,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26c5e1f49/861116eba00143659c47afb06384e99e/FLAG7fee9baad [2020-10-24 01:04:02,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26c5e1f49/861116eba00143659c47afb06384e99e [2020-10-24 01:04:02,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:04:02,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:04:02,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:04:02,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:04:02,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:04:02,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131e8e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02, skipping insertion in model container [2020-10-24 01:04:02,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:04:02,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:04:02,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:04:02,767 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:04:02,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:04:02,831 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:04:02,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02 WrapperNode [2020-10-24 01:04:02,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:04:02,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:04:02,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:04:02,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:04:02,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:04:02,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:04:02,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:04:02,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:04:02,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:04:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:04:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:04:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:04:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-24 01:04:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-24 01:04:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-24 01:04:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-24 01:04:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-24 01:04:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-24 01:04:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-24 01:04:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:04:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-24 01:04:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:04:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:04:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:04:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:04:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-24 01:04:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-24 01:04:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-24 01:04:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 01:04:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-24 01:04:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-24 01:04:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-24 01:04:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:04:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-24 01:04:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-24 01:04:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-24 01:04:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:04:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 01:04:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 01:04:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:04:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:04:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:04:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:04:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:04:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:04:03,983 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:04:03,984 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 01:04:03,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:04:03 BoogieIcfgContainer [2020-10-24 01:04:03,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:04:03,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:04:03,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:04:03,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:04:03,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:04:02" (1/3) ... [2020-10-24 01:04:03,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d03635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:04:03, skipping insertion in model container [2020-10-24 01:04:03,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (2/3) ... [2020-10-24 01:04:03,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d03635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:04:03, skipping insertion in model container [2020-10-24 01:04:03,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:04:03" (3/3) ... [2020-10-24 01:04:03,999 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-10-24 01:04:04,015 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:04:04,023 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:04:04,041 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:04:04,070 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:04:04,071 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:04:04,071 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:04:04,071 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:04:04,071 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:04:04,071 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:04:04,071 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:04:04,072 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:04:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-24 01:04:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-24 01:04:04,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:04:04,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:04:04,107 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:04:04,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:04:04,115 INFO L82 PathProgramCache]: Analyzing trace with hash 852498030, now seen corresponding path program 1 times [2020-10-24 01:04:04,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:04:04,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146213848] [2020-10-24 01:04:04,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:04:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:04:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-24 01:04:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:04:04,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146213848] [2020-10-24 01:04:04,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:04:04,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 01:04:04,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950332866] [2020-10-24 01:04:04,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:04:04,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:04:04,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:04:04,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:04:04,950 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 10 states. [2020-10-24 01:04:05,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:04:05,768 INFO L93 Difference]: Finished difference Result 127 states and 139 transitions. [2020-10-24 01:04:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-24 01:04:05,771 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2020-10-24 01:04:05,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:04:05,785 INFO L225 Difference]: With dead ends: 127 [2020-10-24 01:04:05,785 INFO L226 Difference]: Without dead ends: 102 [2020-10-24 01:04:05,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-24 01:04:05,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-24 01:04:05,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2020-10-24 01:04:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-24 01:04:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 106 transitions. [2020-10-24 01:04:05,867 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 106 transitions. Word has length 44 [2020-10-24 01:04:05,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:04:05,870 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 106 transitions. [2020-10-24 01:04:05,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:04:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2020-10-24 01:04:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-24 01:04:05,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:04:05,874 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-24 01:04:05,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:04:05,875 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:04:05,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:04:05,876 INFO L82 PathProgramCache]: Analyzing trace with hash 818423293, now seen corresponding path program 1 times [2020-10-24 01:04:05,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:04:05,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278983923] [2020-10-24 01:04:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:04:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:06,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:04:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-24 01:04:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:06,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:06,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-24 01:04:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-24 01:04:06,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278983923] [2020-10-24 01:04:06,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:04:06,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 01:04:06,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274990430] [2020-10-24 01:04:06,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:04:06,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:04:06,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:04:06,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:04:06,305 INFO L87 Difference]: Start difference. First operand 100 states and 106 transitions. Second operand 10 states. [2020-10-24 01:04:07,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:04:07,155 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2020-10-24 01:04:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:04:07,156 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-24 01:04:07,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:04:07,159 INFO L225 Difference]: With dead ends: 123 [2020-10-24 01:04:07,159 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 01:04:07,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-10-24 01:04:07,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 01:04:07,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2020-10-24 01:04:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-24 01:04:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 113 transitions. [2020-10-24 01:04:07,189 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 113 transitions. Word has length 59 [2020-10-24 01:04:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:04:07,189 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 113 transitions. [2020-10-24 01:04:07,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:04:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-10-24 01:04:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-24 01:04:07,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:04:07,194 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:04:07,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:04:07,194 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:04:07,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:04:07,195 INFO L82 PathProgramCache]: Analyzing trace with hash -286211875, now seen corresponding path program 1 times [2020-10-24 01:04:07,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:04:07,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485526194] [2020-10-24 01:04:07,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:04:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:04:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-24 01:04:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-24 01:04:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:04:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:04:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 01:04:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-24 01:04:07,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485526194] [2020-10-24 01:04:07,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:04:07,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-24 01:04:07,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070637889] [2020-10-24 01:04:07,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:04:07,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:04:07,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:04:07,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:04:07,574 INFO L87 Difference]: Start difference. First operand 109 states and 113 transitions. Second operand 13 states. [2020-10-24 01:04:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:04:08,426 INFO L93 Difference]: Finished difference Result 130 states and 134 transitions. [2020-10-24 01:04:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:04:08,427 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-10-24 01:04:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:04:08,432 INFO L225 Difference]: With dead ends: 130 [2020-10-24 01:04:08,433 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 01:04:08,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2020-10-24 01:04:08,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 01:04:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2020-10-24 01:04:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-24 01:04:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 111 transitions. [2020-10-24 01:04:08,486 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 111 transitions. Word has length 89 [2020-10-24 01:04:08,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:04:08,487 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 111 transitions. [2020-10-24 01:04:08,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:04:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2020-10-24 01:04:08,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-24 01:04:08,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:04:08,496 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:04:08,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:04:08,501 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:04:08,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:04:08,502 INFO L82 PathProgramCache]: Analyzing trace with hash 711790737, now seen corresponding path program 1 times [2020-10-24 01:04:08,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:04:08,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634413727] [2020-10-24 01:04:08,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:04:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:04:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-24 01:04:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-24 01:04:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:04:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:04:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-24 01:04:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-24 01:04:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-24 01:04:08,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634413727] [2020-10-24 01:04:08,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:04:08,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:04:08,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281793930] [2020-10-24 01:04:08,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:04:08,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:04:08,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:04:08,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:04:08,923 INFO L87 Difference]: Start difference. First operand 108 states and 111 transitions. Second operand 8 states. [2020-10-24 01:04:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:04:09,507 INFO L93 Difference]: Finished difference Result 110 states and 113 transitions. [2020-10-24 01:04:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:04:09,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2020-10-24 01:04:09,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:04:09,511 INFO L225 Difference]: With dead ends: 110 [2020-10-24 01:04:09,511 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:04:09,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:04:09,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:04:09,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:04:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:04:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:04:09,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2020-10-24 01:04:09,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:04:09,518 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:04:09,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:04:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:04:09,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:04:09,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:04:09,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:04:11,495 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-24 01:04:11,496 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-24 01:04:11,496 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-24 01:04:11,496 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-24 01:04:11,497 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numEXIT(lines 56 58) the Hoare annotation is: (or (<= (+ |ibmphp_find_same_bus_num_#res.base| 1) 0) (= ~tmp_slot~0.base 0) (<= 1 |ibmphp_find_same_bus_num_#res.base|)) [2020-10-24 01:04:11,497 INFO L270 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (<= 1 |ibmphp_find_same_bus_num_#t~ret8.base|) (= ~tmp_slot~0.base 0) (<= (+ |ibmphp_find_same_bus_num_#t~ret8.base| 1) 0)) [2020-10-24 01:04:11,497 INFO L270 CegarLoopResult]: At program point L57-1(line 57) the Hoare annotation is: (or (and (or (<= (+ |ibmphp_find_same_bus_num_#res.base| 1) 0) (<= 1 |ibmphp_find_same_bus_num_#res.base|)) (or (<= 1 |ibmphp_find_same_bus_num_#t~ret8.base|) (<= (+ |ibmphp_find_same_bus_num_#t~ret8.base| 1) 0))) (= ~tmp_slot~0.base 0)) [2020-10-24 01:04:11,497 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 56 58) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-10-24 01:04:11,497 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numFINAL(lines 56 58) the Hoare annotation is: (or (<= (+ |ibmphp_find_same_bus_num_#res.base| 1) 0) (= ~tmp_slot~0.base 0) (<= 1 |ibmphp_find_same_bus_num_#res.base|)) [2020-10-24 01:04:11,498 INFO L270 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,498 INFO L270 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,498 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,498 INFO L270 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,498 INFO L270 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,498 INFO L270 CegarLoopResult]: At program point L3-5(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,499 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-24 01:04:11,499 INFO L270 CegarLoopResult]: At program point L43(line 43) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,499 INFO L270 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,499 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-24 01:04:11,499 INFO L270 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,499 INFO L270 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-24 01:04:11,500 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-24 01:04:11,500 INFO L277 CegarLoopResult]: At program point L51-2(lines 50 53) the Hoare annotation is: true [2020-10-24 01:04:11,500 INFO L277 CegarLoopResult]: At program point kfreeEXIT(lines 50 53) the Hoare annotation is: true [2020-10-24 01:04:11,500 INFO L270 CegarLoopResult]: At program point kfreeENTRY(lines 50 53) the Hoare annotation is: (or (not (= ~used_tmp_slot~0 1)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-10-24 01:04:11,500 INFO L270 CegarLoopResult]: At program point L52(line 52) the Hoare annotation is: (or (not (= ~used_tmp_slot~0 1)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-10-24 01:04:11,500 INFO L270 CegarLoopResult]: At program point L51(lines 51 52) the Hoare annotation is: (or (not (= ~used_tmp_slot~0 1)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-10-24 01:04:11,501 INFO L270 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,501 INFO L270 CegarLoopResult]: At program point L48-1(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,501 INFO L270 CegarLoopResult]: At program point L48-2(line 48) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0))) [2020-10-24 01:04:11,501 INFO L270 CegarLoopResult]: At program point L48-3(line 48) the Hoare annotation is: (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0)) [2020-10-24 01:04:11,501 INFO L270 CegarLoopResult]: At program point kzallocEXIT(line 48) the Hoare annotation is: (and (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0)) (or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))) [2020-10-24 01:04:11,501 INFO L270 CegarLoopResult]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,502 INFO L270 CegarLoopResult]: At program point kzallocFINAL(line 48) the Hoare annotation is: (and (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0)) (or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))) [2020-10-24 01:04:11,502 INFO L277 CegarLoopResult]: At program point __blast_assertEXIT(lines 6 9) the Hoare annotation is: true [2020-10-24 01:04:11,502 INFO L277 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-10-24 01:04:11,502 INFO L277 CegarLoopResult]: At program point __blast_assertFINAL(lines 6 9) the Hoare annotation is: true [2020-10-24 01:04:11,502 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-10-24 01:04:11,502 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2020-10-24 01:04:11,502 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoFINAL(lines 67 70) the Hoare annotation is: true [2020-10-24 01:04:11,503 INFO L277 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: true [2020-10-24 01:04:11,503 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoEXIT(lines 67 70) the Hoare annotation is: true [2020-10-24 01:04:11,503 INFO L277 CegarLoopResult]: At program point L69-1(line 69) the Hoare annotation is: true [2020-10-24 01:04:11,503 INFO L277 CegarLoopResult]: At program point L69-2(line 69) the Hoare annotation is: true [2020-10-24 01:04:11,503 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerEXIT(lines 72 133) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,503 INFO L270 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,504 INFO L270 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,504 INFO L270 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret12.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,504 INFO L270 CegarLoopResult]: At program point L85-1(line 85) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret12.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,504 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret13.base| 0))) [2020-10-24 01:04:11,504 INFO L270 CegarLoopResult]: At program point L98-1(line 98) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~bus_info_ptr1~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret13.base| 0))) [2020-10-24 01:04:11,505 INFO L270 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,505 INFO L270 CegarLoopResult]: At program point L127-1(line 127) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,505 INFO L270 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-24 01:04:11,505 INFO L270 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,505 INFO L270 CegarLoopResult]: At program point L111-1(line 111) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-24 01:04:11,506 INFO L270 CegarLoopResult]: At program point L78-1(line 78) the Hoare annotation is: (and (not (= |ebda_rsrc_controller_#t~ret11.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,506 INFO L270 CegarLoopResult]: At program point L78-2(line 78) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ebda_rsrc_controller_#t~ret11.base| 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,506 INFO L270 CegarLoopResult]: At program point L99(lines 99 107) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~bus_info_ptr1~0.base 0))) [2020-10-24 01:04:11,506 INFO L270 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,506 INFO L270 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-24 01:04:11,507 INFO L270 CegarLoopResult]: At program point L95-1(line 95) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-24 01:04:11,507 INFO L270 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,507 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,507 INFO L270 CegarLoopResult]: At program point L87(lines 87 90) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,507 INFO L270 CegarLoopResult]: At program point L120-1(line 120) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,507 INFO L270 CegarLoopResult]: At program point L120-2(line 120) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,508 INFO L270 CegarLoopResult]: At program point L120-3(line 120) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,508 INFO L270 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,508 INFO L270 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,508 INFO L270 CegarLoopResult]: At program point L116-1(line 116) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,508 INFO L270 CegarLoopResult]: At program point L83-1(line 83) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,509 INFO L270 CegarLoopResult]: At program point L116-2(line 116) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,509 INFO L270 CegarLoopResult]: At program point L116-3(line 116) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,509 INFO L270 CegarLoopResult]: At program point L79(lines 79 82) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,509 INFO L270 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~bus_info_ptr1~0.base 0))) [2020-10-24 01:04:11,509 INFO L270 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,510 INFO L270 CegarLoopResult]: At program point L108-1(line 108) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~bus_info_ptr1~0.base 0))) [2020-10-24 01:04:11,510 INFO L270 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: false [2020-10-24 01:04:11,510 INFO L270 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-24 01:04:11,510 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 72 133) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,510 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerFINAL(lines 72 133) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,511 INFO L270 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-24 01:04:11,511 INFO L270 CegarLoopResult]: At program point L121(lines 121 122) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,511 INFO L270 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: false [2020-10-24 01:04:11,511 INFO L270 CegarLoopResult]: At program point L117(lines 117 118) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,511 INFO L270 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-24 01:04:11,511 INFO L270 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: false [2020-10-24 01:04:11,512 INFO L270 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,512 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-24 01:04:11,512 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 01:04:11,512 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-24 01:04:11,512 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-24 01:04:11,512 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 135 139) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-24 01:04:11,512 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 135 139) the Hoare annotation is: true [2020-10-24 01:04:11,513 INFO L270 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: false [2020-10-24 01:04:11,513 INFO L270 CegarLoopResult]: At program point L137(lines 137 138) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,513 INFO L270 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,513 INFO L270 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: false [2020-10-24 01:04:11,513 INFO L277 CegarLoopResult]: At program point L137-1(lines 135 139) the Hoare annotation is: true [2020-10-24 01:04:11,513 INFO L270 CegarLoopResult]: At program point L136-1(line 136) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-24 01:04:11,513 INFO L277 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: true [2020-10-24 01:04:11,513 INFO L277 CegarLoopResult]: At program point L64-1(line 64) the Hoare annotation is: true [2020-10-24 01:04:11,513 INFO L277 CegarLoopResult]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2020-10-24 01:04:11,514 INFO L277 CegarLoopResult]: At program point L64-2(line 64) the Hoare annotation is: true [2020-10-24 01:04:11,514 INFO L277 CegarLoopResult]: At program point fillslotinfoEXIT(lines 62 65) the Hoare annotation is: true [2020-10-24 01:04:11,514 INFO L277 CegarLoopResult]: At program point fillslotinfoFINAL(lines 62 65) the Hoare annotation is: true [2020-10-24 01:04:11,514 INFO L270 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-10-24 01:04:11,514 INFO L277 CegarLoopResult]: At program point #Ultimate.meminitEXIT(line -1) the Hoare annotation is: true [2020-10-24 01:04:11,514 INFO L277 CegarLoopResult]: At program point #Ultimate.meminitFINAL(line -1) the Hoare annotation is: true [2020-10-24 01:04:11,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:04:11 BoogieIcfgContainer [2020-10-24 01:04:11,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 01:04:11,549 INFO L168 Benchmark]: Toolchain (without parser) took 9076.22 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 127.1 MB in the beginning and 192.1 MB in the end (delta: -65.0 MB). Peak memory consumption was 122.5 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:11,550 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 01:04:11,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.43 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 115.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:11,552 INFO L168 Benchmark]: Boogie Preprocessor took 50.79 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 113.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:11,553 INFO L168 Benchmark]: RCFGBuilder took 1101.19 ms. Allocated memory is still 151.0 MB. Free memory was 113.9 MB in the beginning and 122.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:11,554 INFO L168 Benchmark]: TraceAbstraction took 7557.31 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 122.3 MB in the beginning and 192.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 118.3 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:11,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 354.43 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 115.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.79 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 113.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1101.19 ms. Allocated memory is still 151.0 MB. Free memory was 113.9 MB in the beginning and 122.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7557.31 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 122.3 MB in the beginning and 192.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 118.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 72]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 56]: Procedure Contract for ibmphp_find_same_bus_num Derived contract for procedure ibmphp_find_same_bus_num: (\result + 1 <= 0 || tmp_slot == 0) || 1 <= \result - ProcedureContractResult [Line: 50]: Procedure Contract for kfree Derived contract for procedure kfree: 1 - ProcedureContractResult [Line: 48]: Procedure Contract for kzalloc Derived contract for procedure kzalloc: (0 < calloc(1, size) || calloc(1, size) + 1 <= 0) && (1 <= \result || \result + 1 <= 0) - ProcedureContractResult [Line: 6]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 67]: Procedure Contract for ibmphp_init_devno Derived contract for procedure ibmphp_init_devno: 1 - ProcedureContractResult [Line: 72]: Procedure Contract for ebda_rsrc_controller Derived contract for procedure ebda_rsrc_controller: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - ProcedureContractResult [Line: 62]: Procedure Contract for fillslotinfo Derived contract for procedure fillslotinfo: 1 - ProcedureContractResult [Line: 135]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: -1]: Procedure Contract for #Ultimate.meminit Derived contract for procedure #Ultimate.meminit: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 356 SDtfs, 479 SDslu, 1105 SDs, 0 SdLazy, 1256 SolverSat, 166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 110 LocationsWithAnnotation, 156 PreInvPairs, 171 NumberOfFragments, 924 HoareAnnotationTreeSize, 156 FomulaSimplifications, 1932 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 110 FomulaSimplificationsInter, 1985 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 67316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 70/70 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...