/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 0.2.0-b8ad66e [2020-10-23 18:25:53,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:25:53,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:25:53,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:25:53,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:25:53,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:25:53,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:25:53,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:25:53,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:25:53,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:25:53,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:25:53,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:25:53,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:25:53,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:25:53,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:25:53,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:25:53,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:25:53,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:25:53,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:25:53,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:25:53,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:25:53,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:25:53,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:25:53,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:25:53,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:25:53,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:25:53,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:25:53,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:25:53,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:25:54,000 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:25:54,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:25:54,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:25:54,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:25:54,006 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:25:54,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:25:54,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:25:54,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:25:54,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:25:54,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:25:54,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:25:54,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:25:54,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:25:54,011 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:25:54,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:25:54,012 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:25:54,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:25:54,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:25:54,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:25:54,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:25:54,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:25:54,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:25:54,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:25:54,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:25:54,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:25:54,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:25:54,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:25:54,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:25:54,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:25:54,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:25:54,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:25:54,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:25:54,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:25:54,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:25:54,506 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:25:54,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-23 18:25:54,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb9ffb91/dd85e772216140adb9fa8173b54f8e6c/FLAG5a4c0dfb4 [2020-10-23 18:25:55,291 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:25:55,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-23 18:25:55,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb9ffb91/dd85e772216140adb9fa8173b54f8e6c/FLAG5a4c0dfb4 [2020-10-23 18:25:55,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb9ffb91/dd85e772216140adb9fa8173b54f8e6c [2020-10-23 18:25:55,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:25:55,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:25:55,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:25:55,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:25:55,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:25:55,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:25:55" (1/1) ... [2020-10-23 18:25:55,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3296809e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:55, skipping insertion in model container [2020-10-23 18:25:55,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:25:55" (1/1) ... [2020-10-23 18:25:55,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:25:55,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:25:55,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:25:55,951 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:25:56,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:25:56,038 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:25:56,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56 WrapperNode [2020-10-23 18:25:56,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:25:56,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:25:56,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:25:56,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:25:56,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (1/1) ... [2020-10-23 18:25:56,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (1/1) ... [2020-10-23 18:25:56,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (1/1) ... [2020-10-23 18:25:56,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (1/1) ... [2020-10-23 18:25:56,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (1/1) ... [2020-10-23 18:25:56,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (1/1) ... [2020-10-23 18:25:56,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (1/1) ... [2020-10-23 18:25:56,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:25:56,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:25:56,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:25:56,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:25:56,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (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 [2020-10-23 18:25:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:25:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:25:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:25:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-23 18:25:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-23 18:25:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-23 18:25:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-23 18:25:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-23 18:25:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-23 18:25:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-23 18:25:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:25:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-23 18:25:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:25:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:25:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:25:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:25:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-23 18:25:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-23 18:25:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-23 18:25:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 18:25:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-23 18:25:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-23 18:25:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-23 18:25:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:25:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-23 18:25:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-23 18:25:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-23 18:25:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:25:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 18:25:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 18:25:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:25:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:25:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:25:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:25:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:25:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:25:56,802 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:25:56,802 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 18:25:56,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:25:56 BoogieIcfgContainer [2020-10-23 18:25:56,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:25:56,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:25:56,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:25:56,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:25:56,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:25:55" (1/3) ... [2020-10-23 18:25:56,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295b9e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:25:56, skipping insertion in model container [2020-10-23 18:25:56,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:56" (2/3) ... [2020-10-23 18:25:56,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295b9e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:25:56, skipping insertion in model container [2020-10-23 18:25:56,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:25:56" (3/3) ... [2020-10-23 18:25:56,816 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-10-23 18:25:56,829 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:25:56,836 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:25:56,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:25:56,897 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:25:56,897 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:25:56,897 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:25:56,898 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:25:56,898 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:25:56,898 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:25:56,898 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:25:56,898 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:25:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2020-10-23 18:25:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-23 18:25:56,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:25:56,924 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] [2020-10-23 18:25:56,925 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:25:56,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:25:56,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1697953369, now seen corresponding path program 1 times [2020-10-23 18:25:56,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:25:56,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691104146] [2020-10-23 18:25:56,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:25:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:57,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:25:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:57,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 18:25:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:57,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:25:57,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691104146] [2020-10-23 18:25:57,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:25:57,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 18:25:57,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838073766] [2020-10-23 18:25:57,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:25:57,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:25:57,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:25:57,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:25:57,561 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 10 states. [2020-10-23 18:25:58,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:25:58,237 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2020-10-23 18:25:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 18:25:58,239 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2020-10-23 18:25:58,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:25:58,252 INFO L225 Difference]: With dead ends: 84 [2020-10-23 18:25:58,252 INFO L226 Difference]: Without dead ends: 61 [2020-10-23 18:25:58,259 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 [2020-10-23 18:25:58,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-23 18:25:58,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2020-10-23 18:25:58,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-23 18:25:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2020-10-23 18:25:58,360 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 27 [2020-10-23 18:25:58,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:25:58,361 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2020-10-23 18:25:58,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:25:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2020-10-23 18:25:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-23 18:25:58,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:25:58,366 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, 1] [2020-10-23 18:25:58,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:25:58,367 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:25:58,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:25:58,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1736469537, now seen corresponding path program 1 times [2020-10-23 18:25:58,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:25:58,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780282882] [2020-10-23 18:25:58,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:25:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:25:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 18:25:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 18:25:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-23 18:25:58,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780282882] [2020-10-23 18:25:58,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:25:58,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 18:25:58,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760347215] [2020-10-23 18:25:58,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:25:58,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:25:58,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:25:58,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:25:58,667 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 10 states. [2020-10-23 18:25:59,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:25:59,389 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2020-10-23 18:25:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 18:25:59,389 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-10-23 18:25:59,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:25:59,392 INFO L225 Difference]: With dead ends: 79 [2020-10-23 18:25:59,392 INFO L226 Difference]: Without dead ends: 69 [2020-10-23 18:25:59,393 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 [2020-10-23 18:25:59,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-23 18:25:59,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2020-10-23 18:25:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-23 18:25:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2020-10-23 18:25:59,411 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 38 [2020-10-23 18:25:59,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:25:59,411 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2020-10-23 18:25:59,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:25:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2020-10-23 18:25:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-23 18:25:59,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:25:59,414 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, 1] [2020-10-23 18:25:59,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:25:59,415 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:25:59,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:25:59,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1899918933, now seen corresponding path program 1 times [2020-10-23 18:25:59,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:25:59,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879572857] [2020-10-23 18:25:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:25:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:25:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 18:25:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 18:25:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-23 18:25:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:25:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 18:25:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 18:25:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-23 18:25:59,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879572857] [2020-10-23 18:25:59,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:25:59,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:25:59,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623138503] [2020-10-23 18:25:59,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:25:59,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:25:59,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:25:59,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:25:59,692 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 7 states. [2020-10-23 18:26:00,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:26:00,152 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2020-10-23 18:26:00,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:26:00,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-10-23 18:26:00,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:26:00,155 INFO L225 Difference]: With dead ends: 88 [2020-10-23 18:26:00,156 INFO L226 Difference]: Without dead ends: 57 [2020-10-23 18:26:00,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:26:00,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-23 18:26:00,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2020-10-23 18:26:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-23 18:26:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-10-23 18:26:00,173 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 64 [2020-10-23 18:26:00,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:26:00,173 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-10-23 18:26:00,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:26:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-10-23 18:26:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-23 18:26:00,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:26:00,177 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, 1] [2020-10-23 18:26:00,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:26:00,181 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:26:00,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:26:00,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1628472646, now seen corresponding path program 1 times [2020-10-23 18:26:00,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:26:00,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500826868] [2020-10-23 18:26:00,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:26:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:26:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 18:26:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 18:26:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-23 18:26:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:26:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 18:26:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-23 18:26:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-23 18:26:00,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500826868] [2020-10-23 18:26:00,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:26:00,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-23 18:26:00,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285544727] [2020-10-23 18:26:00,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 18:26:00,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:26:00,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 18:26:00,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:26:00,540 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 13 states. [2020-10-23 18:26:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:26:00,948 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2020-10-23 18:26:00,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 18:26:00,949 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 66 [2020-10-23 18:26:00,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:26:00,950 INFO L225 Difference]: With dead ends: 55 [2020-10-23 18:26:00,950 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:26:00,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-10-23 18:26:00,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:26:00,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:26:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:26:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:26:00,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-10-23 18:26:00,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:26:00,952 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:26:00,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 18:26:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:26:00,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:26:00,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:26:00,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:26:01,437 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 10 [2020-10-23 18:26:01,591 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-23 18:26:01,591 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 18:26:01,592 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-23 18:26:01,592 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-23 18:26:01,592 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2020-10-23 18:26:01,592 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:26:01,593 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)) [2020-10-23 18:26:01,593 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2020-10-23 18:26:01,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:26:01,593 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)|)) [2020-10-23 18:26:01,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:26:01,594 INFO L274 CegarLoopResult]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2020-10-23 18:26:01,594 INFO L274 CegarLoopResult]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2020-10-23 18:26:01,594 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)) [2020-10-23 18:26:01,594 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-23 18:26:01,594 INFO L270 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc7.base| 0))) [2020-10-23 18:26:01,594 INFO L274 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-10-23 18:26:01,594 INFO L274 CegarLoopResult]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2020-10-23 18:26:01,595 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|)) [2020-10-23 18:26:01,595 INFO L274 CegarLoopResult]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2020-10-23 18:26:01,595 INFO L274 CegarLoopResult]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2020-10-23 18:26:01,595 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-23 18:26:01,595 INFO L274 CegarLoopResult]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2020-10-23 18:26:01,595 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-10-23 18:26:01,595 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2020-10-23 18:26:01,596 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2020-10-23 18:26:01,596 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2020-10-23 18:26:01,596 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2020-10-23 18:26:01,596 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)) [2020-10-23 18:26:01,596 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)) [2020-10-23 18:26:01,596 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)) [2020-10-23 18:26:01,596 INFO L274 CegarLoopResult]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-10-23 18:26:01,597 INFO L274 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-10-23 18:26:01,597 INFO L270 CegarLoopResult]: 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)|)) [2020-10-23 18:26:01,597 INFO L274 CegarLoopResult]: For program point L85-1(line 85) no Hoare annotation was computed. [2020-10-23 18:26:01,597 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)) [2020-10-23 18:26:01,597 INFO L274 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-10-23 18:26:01,597 INFO L274 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-10-23 18:26:01,597 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))) [2020-10-23 18:26:01,598 INFO L274 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-10-23 18:26:01,598 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)) [2020-10-23 18:26:01,598 INFO L274 CegarLoopResult]: For program point L127-1(line 127) no Hoare annotation was computed. [2020-10-23 18:26:01,598 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|)) [2020-10-23 18:26:01,598 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2020-10-23 18:26:01,598 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-10-23 18:26:01,598 INFO L274 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-10-23 18:26:01,599 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|)) [2020-10-23 18:26:01,599 INFO L274 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-10-23 18:26:01,599 INFO L270 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: false [2020-10-23 18:26:01,599 INFO L274 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-10-23 18:26:01,599 INFO L274 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-10-23 18:26:01,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:26:01,599 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 18:26:01,600 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:26:01,600 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:26:01,600 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|)) [2020-10-23 18:26:01,600 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2020-10-23 18:26:01,600 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:26:01,600 INFO L274 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-10-23 18:26:01,600 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-23 18:26:01,601 INFO L270 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: false [2020-10-23 18:26:01,601 INFO L274 CegarLoopResult]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2020-10-23 18:26:01,601 INFO L277 CegarLoopResult]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2020-10-23 18:26:01,601 INFO L274 CegarLoopResult]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2020-10-23 18:26:01,601 INFO L274 CegarLoopResult]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2020-10-23 18:26:01,601 INFO L270 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-10-23 18:26:01,601 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:26:01,602 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:26:01,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:26:01 BoogieIcfgContainer [2020-10-23 18:26:01,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:26:01,624 INFO L168 Benchmark]: Toolchain (without parser) took 5963.09 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 125.6 MB in the beginning and 141.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:01,624 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:26:01,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.05 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: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:01,626 INFO L168 Benchmark]: Boogie Preprocessor took 52.48 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 112.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:01,627 INFO L168 Benchmark]: RCFGBuilder took 711.04 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 122.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:01,629 INFO L168 Benchmark]: TraceAbstraction took 4813.43 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 122.2 MB in the beginning and 141.1 MB in the end (delta: -18.8 MB). Peak memory consumption was 99.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:01,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 369.05 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: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 52.48 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 112.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 711.04 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 122.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4813.43 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 122.2 MB in the beginning and 141.1 MB in the end (delta: -18.8 MB). Peak memory consumption was 99.1 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 207 SDtfs, 167 SDslu, 619 SDs, 0 SdLazy, 699 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred 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, 24 LocationsWithAnnotation, 37 PreInvPairs, 40 NumberOfFragments, 258 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 548 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 34303 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...