/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/sizeofparameters_test.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:44:01,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:44:01,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:44:01,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 17:44:01,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:44:01,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:44:01,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:44:01,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:44:01,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:44:01,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:44:01,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:44:01,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:44:01,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:44:01,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:44:01,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:44:01,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:44:01,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 17:44:01,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:44:01,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:44:01,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:44:01,233 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 17:44:01,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:44:01,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:44:01,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:44:01,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:44:01,298 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:44:01,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:44:01,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:44:01,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:44:01,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:44:01,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:44:01,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:44:01,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:44:01,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:44:01,302 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:44:01,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:44:01,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:44:01,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:44:01,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:44:01,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:44:01,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:44:01,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:44:01,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:44:01,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:44:01,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:44:01,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:44:01,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:44:01,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:44:01,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:44:01,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:44:01,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:44:01,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:44:01,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:44:01,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:44:01,819 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:44:01,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/sizeofparameters_test.c [2021-02-19 17:44:01,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345a60929/897d09bbc9654cd886f6a984fc5ffba3/FLAGbfda1a245 [2021-02-19 17:44:02,692 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:44:02,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/sizeofparameters_test.c [2021-02-19 17:44:02,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345a60929/897d09bbc9654cd886f6a984fc5ffba3/FLAGbfda1a245 [2021-02-19 17:44:03,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345a60929/897d09bbc9654cd886f6a984fc5ffba3 [2021-02-19 17:44:03,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:44:03,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:44:03,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:44:03,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:44:03,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:44:03,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589f71da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03, skipping insertion in model container [2021-02-19 17:44:03,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:44:03,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:44:03,239 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/sizeofparameters_test.c[344,357] [2021-02-19 17:44:03,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:44:03,269 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:44:03,284 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/sizeofparameters_test.c[344,357] [2021-02-19 17:44:03,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:44:03,304 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:44:03,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03 WrapperNode [2021-02-19 17:44:03,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:44:03,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:44:03,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:44:03,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:44:03,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (1/1) ... [2021-02-19 17:44:03,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:44:03,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:44:03,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:44:03,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:44:03,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (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 17:44:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:44:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:44:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:44:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-19 17:44:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:44:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-02-19 17:44:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:44:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:44:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:44:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:44:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-19 17:44:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-19 17:44:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-02-19 17:44:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:44:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:44:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:44:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:44:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:44:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:44:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:44:03,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:44:03,740 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 17:44:03,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:44:03 BoogieIcfgContainer [2021-02-19 17:44:03,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:44:03,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:44:03,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:44:03,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:44:03,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:44:03" (1/3) ... [2021-02-19 17:44:03,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5309814f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:44:03, skipping insertion in model container [2021-02-19 17:44:03,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:44:03" (2/3) ... [2021-02-19 17:44:03,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5309814f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:44:03, skipping insertion in model container [2021-02-19 17:44:03,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:44:03" (3/3) ... [2021-02-19 17:44:03,754 INFO L111 eAbstractionObserver]: Analyzing ICFG sizeofparameters_test.c [2021-02-19 17:44:03,763 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:44:03,782 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:44:03,804 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:44:03,835 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:44:03,835 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:44:03,836 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:44:03,836 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:44:03,836 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:44:03,836 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:44:03,836 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:44:03,836 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:44:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2021-02-19 17:44:03,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-02-19 17:44:03,877 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:44:03,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:44:03,880 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:44:03,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:44:03,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1577679328, now seen corresponding path program 1 times [2021-02-19 17:44:03,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:44:03,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069449161] [2021-02-19 17:44:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:44:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:44:04,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:44:04,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:44:04,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:44:04,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:44:04,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:44:04,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:44:04,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:44:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:44:04,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:44:04,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:44:04,326 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 17:44:04,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069449161] [2021-02-19 17:44:04,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:44:04,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:44:04,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96275644] [2021-02-19 17:44:04,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:44:04,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:44:04,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:44:04,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:44:04,356 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2021-02-19 17:44:04,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:44:04,451 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-02-19 17:44:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 17:44:04,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2021-02-19 17:44:04,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:44:04,461 INFO L225 Difference]: With dead ends: 28 [2021-02-19 17:44:04,461 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:44:04,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:44:04,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:44:04,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:44:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:44:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:44:04,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-02-19 17:44:04,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:44:04,497 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:44:04,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:44:04,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:44:04,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:44:04,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:44:04,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:44:04,590 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:44:04,591 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:44:04,591 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:44:04,591 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:44:04,592 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~globalSize~0 |old(~globalSize~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-19 17:44:04,592 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:44:04,592 INFO L189 CegarLoopUtils]: For program point L24(line 24) no Hoare annotation was computed. [2021-02-19 17:44:04,592 INFO L189 CegarLoopUtils]: For program point fooEXIT(lines 23 25) no Hoare annotation was computed. [2021-02-19 17:44:04,592 INFO L185 CegarLoopUtils]: At program point L24-2(line 24) the Hoare annotation is: (not (= ~globalSize~0 4)) [2021-02-19 17:44:04,592 INFO L192 CegarLoopUtils]: At program point fooENTRY(lines 23 25) the Hoare annotation is: true [2021-02-19 17:44:04,593 INFO L189 CegarLoopUtils]: For program point L24-3(lines 23 25) no Hoare annotation was computed. [2021-02-19 17:44:04,593 INFO L189 CegarLoopUtils]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-02-19 17:44:04,593 INFO L189 CegarLoopUtils]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2021-02-19 17:44:04,593 INFO L189 CegarLoopUtils]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2021-02-19 17:44:04,593 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2021-02-19 17:44:04,593 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:44:04,594 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-19 17:44:04,594 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:44:04,594 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:44:04,594 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 15 21) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-19 17:44:04,594 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 15 21) no Hoare annotation was computed. [2021-02-19 17:44:04,594 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 15 21) no Hoare annotation was computed. [2021-02-19 17:44:04,595 INFO L185 CegarLoopUtils]: At program point L19(line 19) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-19 17:44:04,595 INFO L189 CegarLoopUtils]: For program point L19-1(line 19) no Hoare annotation was computed. [2021-02-19 17:44:04,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:44:04 BoogieIcfgContainer [2021-02-19 17:44:04,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:44:04,605 INFO L168 Benchmark]: Toolchain (without parser) took 1553.85 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 91.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:44:04,606 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:44:04,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.96 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 115.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:44:04,609 INFO L168 Benchmark]: Boogie Preprocessor took 35.26 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 114.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:44:04,610 INFO L168 Benchmark]: RCFGBuilder took 400.24 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 102.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-19 17:44:04,611 INFO L168 Benchmark]: TraceAbstraction took 858.01 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 91.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:44:04,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 240.96 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 115.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.26 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 114.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 400.24 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 102.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 858.01 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 91.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.2 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 9 SDslu, 7 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 48 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 72 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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...