/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:43:40,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:43:40,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:43:40,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:43:40,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:43:40,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:43:40,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:43:40,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:43:40,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:43:40,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:43:40,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:43:40,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:43:40,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:43:40,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:43:40,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:43:40,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:43:40,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:43:40,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:43:40,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:43:40,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:43:40,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:43:40,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:43:40,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:43:40,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:43:40,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 17:43:40,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:43:40,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:43:40,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:43:40,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 17:43:40,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:43:40,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:43:40,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:43:40,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:43:40,792 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:43:40,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:43:40,793 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:43:40,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:43:40,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:43:40,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:43:40,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:43:40,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:43:40,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:43:40,795 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:43:40,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:43:40,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:43:40,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:43:40,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:43:40,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:43:40,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:43:40,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:43:40,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:43:40,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:43:40,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:43:40,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:43:40,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:43:40,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:43:40,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:43:40,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:43:41,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:43:41,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:43:41,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:43:41,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:43:41,254 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:43:41,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2021-02-19 17:43:41,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403a700bd/bed841ad7ec54b7583a65ce4b4dfc039/FLAG5c39b27df [2021-02-19 17:43:42,079 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:43:42,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2021-02-19 17:43:42,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403a700bd/bed841ad7ec54b7583a65ce4b4dfc039/FLAG5c39b27df [2021-02-19 17:43:42,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403a700bd/bed841ad7ec54b7583a65ce4b4dfc039 [2021-02-19 17:43:42,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:43:42,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:43:42,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:43:42,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:43:42,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:43:42,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62866a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42, skipping insertion in model container [2021-02-19 17:43:42,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:43:42,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:43:42,579 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2021-02-19 17:43:42,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:43:42,651 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:43:42,670 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2021-02-19 17:43:42,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:43:42,730 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:43:42,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42 WrapperNode [2021-02-19 17:43:42,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:43:42,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:43:42,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:43:42,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:43:42,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (1/1) ... [2021-02-19 17:43:42,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:43:42,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:43:42,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:43:42,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:43:42,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:43:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:43:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:43:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:43:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-19 17:43:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-19 17:43:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-19 17:43:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2021-02-19 17:43:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2021-02-19 17:43:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2021-02-19 17:43:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2021-02-19 17:43:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:43:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-19 17:43:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:43:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:43:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:43:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:43:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-19 17:43:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-19 17:43:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-19 17:43:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:43:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-19 17:43:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-19 17:43:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2021-02-19 17:43:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:43:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2021-02-19 17:43:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2021-02-19 17:43:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2021-02-19 17:43:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:43:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:43:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:43:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:43:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:43:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:43:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:43:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:43:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:43:43,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:43:43,370 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 17:43:43,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:43:43 BoogieIcfgContainer [2021-02-19 17:43:43,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:43:43,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:43:43,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:43:43,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:43:43,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:43:42" (1/3) ... [2021-02-19 17:43:43,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b160a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:43:43, skipping insertion in model container [2021-02-19 17:43:43,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:42" (2/3) ... [2021-02-19 17:43:43,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b160a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:43:43, skipping insertion in model container [2021-02-19 17:43:43,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:43:43" (3/3) ... [2021-02-19 17:43:43,382 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2021-02-19 17:43:43,391 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:43:43,397 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:43:43,421 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:43:43,455 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:43:43,455 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:43:43,455 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:43:43,455 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:43:43,455 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:43:43,456 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:43:43,456 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:43:43,456 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:43:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2021-02-19 17:43:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-19 17:43:43,486 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:43:43,487 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] [2021-02-19 17:43:43,488 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:43:43,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:43:43,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1407815480, now seen corresponding path program 1 times [2021-02-19 17:43:43,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:43:43,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901402993] [2021-02-19 17:43:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:43:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:43,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:43,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:43,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:43,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:43,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:43,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:43,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 17:43:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:44,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:44,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:44,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:44,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:44,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:44,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:44,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:44,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:44,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:43:44,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901402993] [2021-02-19 17:43:44,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:43:44,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-19 17:43:44,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706611576] [2021-02-19 17:43:44,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 17:43:44,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:43:44,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 17:43:44,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:43:44,207 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 10 states. [2021-02-19 17:43:44,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:43:44,799 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2021-02-19 17:43:44,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 17:43:44,801 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2021-02-19 17:43:44,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:43:44,812 INFO L225 Difference]: With dead ends: 79 [2021-02-19 17:43:44,812 INFO L226 Difference]: Without dead ends: 60 [2021-02-19 17:43:44,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-02-19 17:43:44,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-02-19 17:43:44,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2021-02-19 17:43:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-02-19 17:43:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2021-02-19 17:43:44,874 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 26 [2021-02-19 17:43:44,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:43:44,875 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2021-02-19 17:43:44,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 17:43:44,875 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2021-02-19 17:43:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-19 17:43:44,878 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:43:44,878 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-19 17:43:44,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:43:44,879 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:43:44,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:43:44,880 INFO L82 PathProgramCache]: Analyzing trace with hash -994854991, now seen corresponding path program 1 times [2021-02-19 17:43:44,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:43:44,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444950847] [2021-02-19 17:43:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:43:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:44,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:44,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:44,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:44,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:44,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 17:43:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:45,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:45,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:45,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:45,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:45,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:43:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:45,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:45,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:45,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-19 17:43:45,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444950847] [2021-02-19 17:43:45,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:43:45,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-19 17:43:45,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115481648] [2021-02-19 17:43:45,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 17:43:45,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:43:45,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 17:43:45,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:43:45,135 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand 10 states. [2021-02-19 17:43:45,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:43:45,701 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2021-02-19 17:43:45,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 17:43:45,702 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2021-02-19 17:43:45,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:43:45,708 INFO L225 Difference]: With dead ends: 77 [2021-02-19 17:43:45,708 INFO L226 Difference]: Without dead ends: 68 [2021-02-19 17:43:45,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-02-19 17:43:45,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-02-19 17:43:45,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-02-19 17:43:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-02-19 17:43:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2021-02-19 17:43:45,752 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 37 [2021-02-19 17:43:45,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:43:45,753 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2021-02-19 17:43:45,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 17:43:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2021-02-19 17:43:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-19 17:43:45,759 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:43:45,759 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-19 17:43:45,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:43:45,761 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:43:45,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:43:45,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1799073465, now seen corresponding path program 1 times [2021-02-19 17:43:45,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:43:45,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372550583] [2021-02-19 17:43:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:43:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:45,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:43:45,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:45,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 17:43:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:45,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:45,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:45,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:43:46,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:43:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-19 17:43:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:43:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:43:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-02-19 17:43:46,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372550583] [2021-02-19 17:43:46,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:43:46,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 17:43:46,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978938181] [2021-02-19 17:43:46,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 17:43:46,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:43:46,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 17:43:46,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:43:46,133 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 7 states. [2021-02-19 17:43:46,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:43:46,597 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2021-02-19 17:43:46,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:43:46,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2021-02-19 17:43:46,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:43:46,599 INFO L225 Difference]: With dead ends: 86 [2021-02-19 17:43:46,600 INFO L226 Difference]: Without dead ends: 56 [2021-02-19 17:43:46,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:43:46,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-02-19 17:43:46,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2021-02-19 17:43:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-19 17:43:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2021-02-19 17:43:46,610 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 63 [2021-02-19 17:43:46,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:43:46,610 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2021-02-19 17:43:46,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 17:43:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2021-02-19 17:43:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-19 17:43:46,612 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:43:46,612 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2021-02-19 17:43:46,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:43:46,612 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:43:46,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:43:46,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1588930680, now seen corresponding path program 1 times [2021-02-19 17:43:46,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:43:46,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997135563] [2021-02-19 17:43:46,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:43:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 17:43:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:46,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:46,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:43:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-19 17:43:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:46,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:46,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:46,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:46,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:43:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 17:43:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-02-19 17:43:46,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997135563] [2021-02-19 17:43:46,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:43:46,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-19 17:43:46,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782773712] [2021-02-19 17:43:46,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-19 17:43:46,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:43:46,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-19 17:43:46,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-02-19 17:43:46,945 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 13 states. [2021-02-19 17:43:47,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:43:47,281 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2021-02-19 17:43:47,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:43:47,281 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 65 [2021-02-19 17:43:47,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:43:47,282 INFO L225 Difference]: With dead ends: 54 [2021-02-19 17:43:47,282 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:43:47,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-02-19 17:43:47,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:43:47,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:43:47,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:43:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:43:47,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2021-02-19 17:43:47,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:43:47,285 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:43:47,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-19 17:43:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:43:47,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:43:47,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:43:47,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:43:47,936 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:43:47,937 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:43:47,937 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:43:47,938 INFO L189 CegarLoopUtils]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2021-02-19 17:43:47,943 INFO L189 CegarLoopUtils]: For program point L57(line 57) no Hoare annotation was computed. [2021-02-19 17:43:47,943 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:47,943 INFO L189 CegarLoopUtils]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2021-02-19 17:43:47,944 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:43:47,945 INFO L185 CegarLoopUtils]: 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)|)) [2021-02-19 17:43:47,945 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:43:47,945 INFO L189 CegarLoopUtils]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2021-02-19 17:43:47,945 INFO L189 CegarLoopUtils]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2021-02-19 17:43:47,947 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:47,947 INFO L189 CegarLoopUtils]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-02-19 17:43:47,947 INFO L185 CegarLoopUtils]: At program point L48(line 48) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc7.base| 0))) [2021-02-19 17:43:47,947 INFO L189 CegarLoopUtils]: For program point L48-1(line 48) no Hoare annotation was computed. [2021-02-19 17:43:47,948 INFO L189 CegarLoopUtils]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2021-02-19 17:43:47,948 INFO L185 CegarLoopUtils]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2021-02-19 17:43:47,948 INFO L189 CegarLoopUtils]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2021-02-19 17:43:47,948 INFO L189 CegarLoopUtils]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-02-19 17:43:47,948 INFO L189 CegarLoopUtils]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2021-02-19 17:43:47,948 INFO L189 CegarLoopUtils]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2021-02-19 17:43:47,948 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2021-02-19 17:43:47,949 INFO L192 CegarLoopUtils]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2021-02-19 17:43:47,949 INFO L189 CegarLoopUtils]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2021-02-19 17:43:47,949 INFO L189 CegarLoopUtils]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2021-02-19 17:43:47,949 INFO L189 CegarLoopUtils]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2021-02-19 17:43:47,949 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:47,949 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:47,949 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:47,950 INFO L189 CegarLoopUtils]: For program point L87(lines 87 90) no Hoare annotation was computed. [2021-02-19 17:43:47,950 INFO L189 CegarLoopUtils]: For program point L120-1(line 120) no Hoare annotation was computed. [2021-02-19 17:43:47,950 INFO L185 CegarLoopUtils]: At program point L85(line 85) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2021-02-19 17:43:47,950 INFO L189 CegarLoopUtils]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-02-19 17:43:47,950 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:47,950 INFO L189 CegarLoopUtils]: For program point L116-1(line 116) no Hoare annotation was computed. [2021-02-19 17:43:47,950 INFO L189 CegarLoopUtils]: For program point L79(lines 79 82) no Hoare annotation was computed. [2021-02-19 17:43:47,950 INFO L185 CegarLoopUtils]: 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))) [2021-02-19 17:43:47,951 INFO L189 CegarLoopUtils]: For program point L98-1(line 98) no Hoare annotation was computed. [2021-02-19 17:43:47,951 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:47,951 INFO L189 CegarLoopUtils]: For program point L127-1(line 127) no Hoare annotation was computed. [2021-02-19 17:43:47,952 INFO L185 CegarLoopUtils]: 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|)) [2021-02-19 17:43:47,952 INFO L189 CegarLoopUtils]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2021-02-19 17:43:47,952 INFO L189 CegarLoopUtils]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-02-19 17:43:47,952 INFO L189 CegarLoopUtils]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-02-19 17:43:47,952 INFO L185 CegarLoopUtils]: 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|)) [2021-02-19 17:43:47,953 INFO L189 CegarLoopUtils]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-02-19 17:43:47,953 INFO L185 CegarLoopUtils]: At program point L103(line 103) the Hoare annotation is: false [2021-02-19 17:43:47,953 INFO L189 CegarLoopUtils]: For program point L103-1(line 103) no Hoare annotation was computed. [2021-02-19 17:43:47,953 INFO L189 CegarLoopUtils]: For program point L99(lines 99 107) no Hoare annotation was computed. [2021-02-19 17:43:47,953 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:43:47,953 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-19 17:43:47,953 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:43:47,953 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:43:47,954 INFO L185 CegarLoopUtils]: 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|)) [2021-02-19 17:43:47,954 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2021-02-19 17:43:47,954 INFO L189 CegarLoopUtils]: For program point L138(line 138) no Hoare annotation was computed. [2021-02-19 17:43:47,954 INFO L189 CegarLoopUtils]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-02-19 17:43:47,954 INFO L189 CegarLoopUtils]: For program point L136(line 136) no Hoare annotation was computed. [2021-02-19 17:43:47,954 INFO L185 CegarLoopUtils]: At program point L138-2(line 138) the Hoare annotation is: false [2021-02-19 17:43:47,954 INFO L189 CegarLoopUtils]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2021-02-19 17:43:47,954 INFO L192 CegarLoopUtils]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2021-02-19 17:43:47,955 INFO L189 CegarLoopUtils]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2021-02-19 17:43:47,955 INFO L189 CegarLoopUtils]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2021-02-19 17:43:47,955 INFO L185 CegarLoopUtils]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2021-02-19 17:43:47,955 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:43:47,955 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:43:47,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:43:47 BoogieIcfgContainer [2021-02-19 17:43:47,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:43:47,977 INFO L168 Benchmark]: Toolchain (without parser) took 5591.97 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 126.3 MB in the beginning and 136.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 103.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:47,978 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:43:47,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.12 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 114.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:47,979 INFO L168 Benchmark]: Boogie Preprocessor took 48.48 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 112.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:47,979 INFO L168 Benchmark]: RCFGBuilder took 590.91 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 122.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:47,980 INFO L168 Benchmark]: TraceAbstraction took 4601.48 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 121.7 MB in the beginning and 136.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 98.8 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:47,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 333.12 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 114.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.48 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 112.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 590.91 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 122.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4601.48 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 121.7 MB in the beginning and 136.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 98.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 180 SDslu, 545 SDs, 0 SdLazy, 593 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 33 PreInvPairs, 36 NumberOfFragments, 257 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 548 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 33445 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 60/60 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...