/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/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:21:56,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:21:56,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:21:56,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-21 16:21:56,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:21:56,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:21:56,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:21:56,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:21:56,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:21:56,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:21:56,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:21:56,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:21:56,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:21:56,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:21:56,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:21:56,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:21:56,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 16:21:56,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:21:56,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:21:56,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:21:56,536 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 [2021-02-21 16:21:56,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:21:56,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:21:56,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:21:56,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:21:56,564 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:21:56,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:21:56,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:21:56,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:21:56,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:21:56,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:21:56,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:21:56,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:21:56,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:21:56,567 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:21:56,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:21:56,567 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:21:56,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:21:56,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:21:56,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:21:56,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:21:56,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:21:56,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:21:56,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:21:56,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:21:56,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:21:56,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:21:56,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:21:56,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:21:56,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:21:56,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:21:57,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:21:57,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:21:57,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:21:57,050 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:21:57,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2021-02-21 16:21:57,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ea896fe/f30f475f6ad44b81a29f2b20080ed0f9/FLAG4a4ad0b39 [2021-02-21 16:21:57,730 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:21:57,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c [2021-02-21 16:21:57,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ea896fe/f30f475f6ad44b81a29f2b20080ed0f9/FLAG4a4ad0b39 [2021-02-21 16:21:58,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ea896fe/f30f475f6ad44b81a29f2b20080ed0f9 [2021-02-21 16:21:58,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:21:58,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:21:58,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:21:58,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:21:58,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:21:58,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d90295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58, skipping insertion in model container [2021-02-21 16:21:58,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:21:58,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:21:58,404 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c[11705,11718] [2021-02-21 16:21:58,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:21:58,419 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:21:58,458 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c[11705,11718] [2021-02-21 16:21:58,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:21:58,477 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:21:58,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58 WrapperNode [2021-02-21 16:21:58,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:21:58,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:21:58,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:21:58,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:21:58,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (1/1) ... [2021-02-21 16:21:58,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:21:58,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:21:58,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:21:58,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:21:58,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (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 [2021-02-21 16:21:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:21:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:21:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:21:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:21:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 16:21:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:21:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:21:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:21:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:21:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:21:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:21:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:21:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:21:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:21:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:21:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:21:59,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:21:59,473 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-02-21 16:21:59,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:21:59 BoogieIcfgContainer [2021-02-21 16:21:59,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:21:59,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:21:59,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:21:59,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:21:59,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:21:58" (1/3) ... [2021-02-21 16:21:59,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc2c177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:21:59, skipping insertion in model container [2021-02-21 16:21:59,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:21:58" (2/3) ... [2021-02-21 16:21:59,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc2c177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:21:59, skipping insertion in model container [2021-02-21 16:21:59,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:21:59" (3/3) ... [2021-02-21 16:21:59,491 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2021-02-21 16:21:59,503 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:21:59,508 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:21:59,530 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:21:59,573 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:21:59,573 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:21:59,573 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:21:59,573 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:21:59,574 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:21:59,574 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:21:59,574 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:21:59,574 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:21:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-02-21 16:21:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-02-21 16:21:59,604 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:21:59,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:21:59,605 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:21:59,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:21:59,614 INFO L82 PathProgramCache]: Analyzing trace with hash -716195446, now seen corresponding path program 1 times [2021-02-21 16:21:59,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:21:59,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549273369] [2021-02-21 16:21:59,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:21:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:21:59,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:21:59,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:21:59,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:21:59,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:22:00,141 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-21 16:22:00,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:22:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:22:00,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:22:00,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:22:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:22:00,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549273369] [2021-02-21 16:22:00,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:22:00,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-21 16:22:00,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751295860] [2021-02-21 16:22:00,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-21 16:22:00,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:22:00,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-21 16:22:00,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 16:22:00,240 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 3 states. [2021-02-21 16:22:00,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:22:00,354 INFO L93 Difference]: Finished difference Result 139 states and 258 transitions. [2021-02-21 16:22:00,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 16:22:00,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-02-21 16:22:00,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:22:00,367 INFO L225 Difference]: With dead ends: 139 [2021-02-21 16:22:00,367 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 16:22:00,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 16:22:00,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 16:22:00,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 16:22:00,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 16:22:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 16:22:00,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-02-21 16:22:00,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:22:00,401 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 16:22:00,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-21 16:22:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 16:22:00,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 16:22:00,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:22:00,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 16:22:00,583 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-02-21 16:22:00,583 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-02-21 16:22:00,583 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-02-21 16:22:00,583 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:22:00,584 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_IntMath~0 |old(~m_IntMath~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~m_mod_2~0 |old(~m_mod_2~0)|) (= ~m_factorial_2~0 |old(~m_factorial_2~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~m_isPowerOfTwo~0 |old(~m_isPowerOfTwo~0)|) (= ~m_checkedMultiply~0 |old(~m_checkedMultiply~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~m_checkedAdd~0 |old(~m_checkedAdd~0)|) (= ~m_checkedSubtract~0 |old(~m_checkedSubtract~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~m_mod_1~0 |old(~m_mod_1~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~m_log2~0 |old(~m_log2~0)|) (= ~m_factorial_1~0 |old(~m_factorial_1~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~m_log10~0 |old(~m_log10~0)|)) [2021-02-21 16:22:00,584 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:22:00,584 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:22:00,585 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 16:22:00,585 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 16:22:00,585 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:22:00,585 INFO L189 CegarLoopUtils]: For program point L217(lines 217 227) no Hoare annotation was computed. [2021-02-21 16:22:00,585 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 20 363) no Hoare annotation was computed. [2021-02-21 16:22:00,586 INFO L189 CegarLoopUtils]: For program point L184(lines 184 198) no Hoare annotation was computed. [2021-02-21 16:22:00,586 INFO L189 CegarLoopUtils]: For program point L52(lines 52 66) no Hoare annotation was computed. [2021-02-21 16:22:00,586 INFO L189 CegarLoopUtils]: For program point L267(lines 267 269) no Hoare annotation was computed. [2021-02-21 16:22:00,586 INFO L189 CegarLoopUtils]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-02-21 16:22:00,586 INFO L189 CegarLoopUtils]: For program point L251(lines 251 253) no Hoare annotation was computed. [2021-02-21 16:22:00,587 INFO L189 CegarLoopUtils]: For program point L119(lines 119 134) no Hoare annotation was computed. [2021-02-21 16:22:00,587 INFO L189 CegarLoopUtils]: For program point L169(lines 169 183) no Hoare annotation was computed. [2021-02-21 16:22:00,587 INFO L189 CegarLoopUtils]: For program point L103(lines 103 118) no Hoare annotation was computed. [2021-02-21 16:22:00,587 INFO L189 CegarLoopUtils]: For program point L70(lines 70 137) no Hoare annotation was computed. [2021-02-21 16:22:00,587 INFO L189 CegarLoopUtils]: For program point L186(lines 186 196) no Hoare annotation was computed. [2021-02-21 16:22:00,587 INFO L189 CegarLoopUtils]: For program point L87(lines 87 102) no Hoare annotation was computed. [2021-02-21 16:22:00,588 INFO L189 CegarLoopUtils]: For program point L54(lines 54 64) no Hoare annotation was computed. [2021-02-21 16:22:00,588 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 20 363) no Hoare annotation was computed. [2021-02-21 16:22:00,588 INFO L189 CegarLoopUtils]: For program point L236(lines 236 238) no Hoare annotation was computed. [2021-02-21 16:22:00,588 INFO L189 CegarLoopUtils]: For program point L71(lines 71 86) no Hoare annotation was computed. [2021-02-21 16:22:00,588 INFO L189 CegarLoopUtils]: For program point L154(lines 154 168) no Hoare annotation was computed. [2021-02-21 16:22:00,589 INFO L189 CegarLoopUtils]: For program point L121(lines 121 132) no Hoare annotation was computed. [2021-02-21 16:22:00,589 INFO L189 CegarLoopUtils]: For program point L171(lines 171 181) no Hoare annotation was computed. [2021-02-21 16:22:00,589 INFO L189 CegarLoopUtils]: For program point L138(lines 138 355) no Hoare annotation was computed. [2021-02-21 16:22:00,589 INFO L189 CegarLoopUtils]: For program point L105(lines 105 116) no Hoare annotation was computed. [2021-02-21 16:22:00,589 INFO L189 CegarLoopUtils]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-02-21 16:22:00,590 INFO L189 CegarLoopUtils]: For program point L89(lines 89 100) no Hoare annotation was computed. [2021-02-21 16:22:00,590 INFO L189 CegarLoopUtils]: For program point L205(lines 205 207) no Hoare annotation was computed. [2021-02-21 16:22:00,590 INFO L189 CegarLoopUtils]: For program point L139(lines 139 153) no Hoare annotation was computed. [2021-02-21 16:22:00,590 INFO L189 CegarLoopUtils]: For program point L73(lines 73 84) no Hoare annotation was computed. [2021-02-21 16:22:00,591 INFO L192 CegarLoopUtils]: At program point L354(lines 28 358) the Hoare annotation is: true [2021-02-21 16:22:00,591 INFO L189 CegarLoopUtils]: For program point L156(lines 156 166) no Hoare annotation was computed. [2021-02-21 16:22:00,591 INFO L189 CegarLoopUtils]: For program point L338(lines 338 352) no Hoare annotation was computed. [2021-02-21 16:22:00,591 INFO L189 CegarLoopUtils]: For program point L190(lines 190 192) no Hoare annotation was computed. [2021-02-21 16:22:00,591 INFO L189 CegarLoopUtils]: For program point L58(lines 58 60) no Hoare annotation was computed. [2021-02-21 16:22:00,592 INFO L189 CegarLoopUtils]: For program point L141(lines 141 151) no Hoare annotation was computed. [2021-02-21 16:22:00,592 INFO L189 CegarLoopUtils]: For program point L323(lines 323 337) no Hoare annotation was computed. [2021-02-21 16:22:00,592 INFO L189 CegarLoopUtils]: For program point L125(lines 125 127) no Hoare annotation was computed. [2021-02-21 16:22:00,592 INFO L189 CegarLoopUtils]: For program point L340(lines 340 350) no Hoare annotation was computed. [2021-02-21 16:22:00,592 INFO L189 CegarLoopUtils]: For program point L307(lines 307 322) no Hoare annotation was computed. [2021-02-21 16:22:00,593 INFO L189 CegarLoopUtils]: For program point L175(lines 175 177) no Hoare annotation was computed. [2021-02-21 16:22:00,593 INFO L189 CegarLoopUtils]: For program point L109(lines 109 111) no Hoare annotation was computed. [2021-02-21 16:22:00,593 INFO L189 CegarLoopUtils]: For program point L291(lines 291 306) no Hoare annotation was computed. [2021-02-21 16:22:00,593 INFO L189 CegarLoopUtils]: For program point L93(lines 93 95) no Hoare annotation was computed. [2021-02-21 16:22:00,593 INFO L189 CegarLoopUtils]: For program point L77(lines 77 79) no Hoare annotation was computed. [2021-02-21 16:22:00,594 INFO L189 CegarLoopUtils]: For program point L325(lines 325 335) no Hoare annotation was computed. [2021-02-21 16:22:00,594 INFO L189 CegarLoopUtils]: For program point L160(lines 160 162) no Hoare annotation was computed. [2021-02-21 16:22:00,594 INFO L192 CegarLoopUtils]: At program point L28-2(lines 28 358) the Hoare annotation is: true [2021-02-21 16:22:00,594 INFO L189 CegarLoopUtils]: For program point L28-3(lines 28 358) no Hoare annotation was computed. [2021-02-21 16:22:00,595 INFO L189 CegarLoopUtils]: For program point L309(lines 309 320) no Hoare annotation was computed. [2021-02-21 16:22:00,595 INFO L189 CegarLoopUtils]: For program point L276(lines 276 290) no Hoare annotation was computed. [2021-02-21 16:22:00,595 INFO L189 CegarLoopUtils]: For program point L293(lines 293 304) no Hoare annotation was computed. [2021-02-21 16:22:00,595 INFO L189 CegarLoopUtils]: For program point L145(lines 145 147) no Hoare annotation was computed. [2021-02-21 16:22:00,595 INFO L189 CegarLoopUtils]: For program point L261(lines 261 275) no Hoare annotation was computed. [2021-02-21 16:22:00,596 INFO L189 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 362) no Hoare annotation was computed. [2021-02-21 16:22:00,596 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 20 363) the Hoare annotation is: true [2021-02-21 16:22:00,596 INFO L189 CegarLoopUtils]: For program point L344(lines 344 346) no Hoare annotation was computed. [2021-02-21 16:22:00,596 INFO L189 CegarLoopUtils]: For program point L278(lines 278 288) no Hoare annotation was computed. [2021-02-21 16:22:00,596 INFO L189 CegarLoopUtils]: For program point L245(lines 245 260) no Hoare annotation was computed. [2021-02-21 16:22:00,597 INFO L185 CegarLoopUtils]: At program point L345(lines 20 363) the Hoare annotation is: false [2021-02-21 16:22:00,597 INFO L189 CegarLoopUtils]: For program point L329(lines 329 331) no Hoare annotation was computed. [2021-02-21 16:22:00,597 INFO L189 CegarLoopUtils]: For program point L263(lines 263 273) no Hoare annotation was computed. [2021-02-21 16:22:00,597 INFO L189 CegarLoopUtils]: For program point L230(lines 230 244) no Hoare annotation was computed. [2021-02-21 16:22:00,597 INFO L189 CegarLoopUtils]: For program point L313(lines 313 315) no Hoare annotation was computed. [2021-02-21 16:22:00,598 INFO L189 CegarLoopUtils]: For program point L247(lines 247 258) no Hoare annotation was computed. [2021-02-21 16:22:00,598 INFO L189 CegarLoopUtils]: For program point L297(lines 297 299) no Hoare annotation was computed. [2021-02-21 16:22:00,598 INFO L189 CegarLoopUtils]: For program point L215(lines 215 229) no Hoare annotation was computed. [2021-02-21 16:22:00,598 INFO L189 CegarLoopUtils]: For program point L232(lines 232 242) no Hoare annotation was computed. [2021-02-21 16:22:00,598 INFO L189 CegarLoopUtils]: For program point L199(lines 199 214) no Hoare annotation was computed. [2021-02-21 16:22:00,599 INFO L189 CegarLoopUtils]: For program point L282(lines 282 284) no Hoare annotation was computed. [2021-02-21 16:22:00,599 INFO L189 CegarLoopUtils]: For program point L51(lines 51 69) no Hoare annotation was computed. [2021-02-21 16:22:00,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:22:00 BoogieIcfgContainer [2021-02-21 16:22:00,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:22:00,612 INFO L168 Benchmark]: Toolchain (without parser) took 2517.80 ms. Allocated memory is still 162.5 MB. Free memory was 136.9 MB in the beginning and 70.5 MB in the end (delta: 66.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:00,613 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 133.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:22:00,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.49 ms. Allocated memory is still 162.5 MB. Free memory was 135.8 MB in the beginning and 123.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:00,614 INFO L168 Benchmark]: Boogie Preprocessor took 53.46 ms. Allocated memory is still 162.5 MB. Free memory was 123.4 MB in the beginning and 121.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:00,615 INFO L168 Benchmark]: RCFGBuilder took 943.23 ms. Allocated memory is still 162.5 MB. Free memory was 121.3 MB in the beginning and 125.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:00,616 INFO L168 Benchmark]: TraceAbstraction took 1129.07 ms. Allocated memory is still 162.5 MB. Free memory was 124.5 MB in the beginning and 70.5 MB in the end (delta: 54.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:00,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 133.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 369.49 ms. Allocated memory is still 162.5 MB. Free memory was 135.8 MB in the beginning and 123.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.46 ms. Allocated memory is still 162.5 MB. Free memory was 123.4 MB in the beginning and 121.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 943.23 ms. Allocated memory is still 162.5 MB. Free memory was 121.3 MB in the beginning and 125.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1129.07 ms. Allocated memory is still 162.5 MB. Free memory was 124.5 MB in the beginning and 70.5 MB in the end (delta: 54.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 362]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 98 SDtfs, 92 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 70 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 189 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 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...