/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/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-acceleration/overflow_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 07:00:21,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 07:00:21,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 07:00:21,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-16 07:00:21,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 07:00:21,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 07:00:21,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 07:00:21,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 07:00:21,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 07:00:21,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 07:00:21,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 07:00:21,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 07:00:21,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 07:00:21,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 07:00:21,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 07:00:21,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 07:00:21,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-16 07:00:21,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 07:00:21,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 07:00:21,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 07:00:21,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-04-16 07:00:21,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 07:00:21,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 07:00:21,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 07:00:21,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 07:00:21,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 07:00:21,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 07:00:21,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 07:00:21,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 07:00:21,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 07:00:21,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 07:00:21,319 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 07:00:21,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 07:00:21,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 07:00:21,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 07:00:21,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 07:00:21,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 07:00:21,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 07:00:21,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 07:00:21,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 07:00:21,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 07:00:21,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-04-16 07:00:21,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 07:00:21,320 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-04-16 07:00:21,320 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 07:00:21,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 07:00:21,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 07:00:21,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 07:00:21,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 07:00:21,662 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 07:00:21,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/overflow_1-1.c [2021-04-16 07:00:21,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abec603b/e4b2b66e829c4ee3999a96d0e9cd68b9/FLAGa8cfafc14 [2021-04-16 07:00:22,079 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 07:00:22,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/overflow_1-1.c [2021-04-16 07:00:22,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abec603b/e4b2b66e829c4ee3999a96d0e9cd68b9/FLAGa8cfafc14 [2021-04-16 07:00:22,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abec603b/e4b2b66e829c4ee3999a96d0e9cd68b9 [2021-04-16 07:00:22,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 07:00:22,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 07:00:22,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 07:00:22,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 07:00:22,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 07:00:22,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f7776d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22, skipping insertion in model container [2021-04-16 07:00:22,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 07:00:22,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 07:00:22,401 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/overflow_1-1.c[324,337] [2021-04-16 07:00:22,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:00:22,436 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 07:00:22,454 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/overflow_1-1.c[324,337] [2021-04-16 07:00:22,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:00:22,482 INFO L208 MainTranslator]: Completed translation [2021-04-16 07:00:22,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22 WrapperNode [2021-04-16 07:00:22,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 07:00:22,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 07:00:22,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 07:00:22,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 07:00:22,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (1/1) ... [2021-04-16 07:00:22,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 07:00:22,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 07:00:22,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 07:00:22,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 07:00:22,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (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 [2021-04-16 07:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 07:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 07:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 07:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-04-16 07:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 07:00:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 07:00:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 07:00:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 07:00:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 07:00:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 07:00:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 07:00:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 07:00:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 07:00:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 07:00:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 07:00:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 07:00:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 07:00:23,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 07:00:23,063 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-04-16 07:00:23,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:00:23 BoogieIcfgContainer [2021-04-16 07:00:23,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 07:00:23,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 07:00:23,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 07:00:23,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 07:00:23,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 07:00:22" (1/3) ... [2021-04-16 07:00:23,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bdc681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:00:23, skipping insertion in model container [2021-04-16 07:00:23,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:00:22" (2/3) ... [2021-04-16 07:00:23,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bdc681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:00:23, skipping insertion in model container [2021-04-16 07:00:23,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:00:23" (3/3) ... [2021-04-16 07:00:23,094 INFO L111 eAbstractionObserver]: Analyzing ICFG overflow_1-1.c [2021-04-16 07:00:23,098 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-04-16 07:00:23,117 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 07:00:23,161 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 07:00:23,196 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 07:00:23,196 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 07:00:23,196 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-04-16 07:00:23,196 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 07:00:23,196 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 07:00:23,196 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 07:00:23,196 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 07:00:23,196 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 07:00:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 07:00:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-04-16 07:00:23,239 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:00:23,242 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:00:23,243 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:00:23,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:00:23,253 INFO L82 PathProgramCache]: Analyzing trace with hash -219174432, now seen corresponding path program 1 times [2021-04-16 07:00:23,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:00:23,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909057001] [2021-04-16 07:00:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:00:23,374 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:00:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:00:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:23,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:23,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:23,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:23,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:00:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:00:23,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:23,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:00:23,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909057001] [2021-04-16 07:00:23,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:00:23,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-16 07:00:23,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129717240] [2021-04-16 07:00:23,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-16 07:00:23,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:00:23,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-16 07:00:23,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 07:00:23,715 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:00:23,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:00:23,776 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2021-04-16 07:00:23,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-16 07:00:23,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-04-16 07:00:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:00:23,782 INFO L225 Difference]: With dead ends: 29 [2021-04-16 07:00:23,783 INFO L226 Difference]: Without dead ends: 12 [2021-04-16 07:00:23,785 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 89.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 07:00:23,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-04-16 07:00:23,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-04-16 07:00:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:00:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2021-04-16 07:00:23,816 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2021-04-16 07:00:23,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:00:23,816 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2021-04-16 07:00:23,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:00:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2021-04-16 07:00:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-04-16 07:00:23,818 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:00:23,818 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:00:23,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 07:00:23,818 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:00:23,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:00:23,819 INFO L82 PathProgramCache]: Analyzing trace with hash -222868516, now seen corresponding path program 1 times [2021-04-16 07:00:23,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:00:23,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690195952] [2021-04-16 07:00:23,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:00:23,824 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:00:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:00:23,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:23,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:23,899 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-04-16 07:00:23,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 07:00:23,929 INFO L142 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-04-16 07:00:23,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:23,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:23,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:23,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:00:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:00:23,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:23,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:00:23,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690195952] [2021-04-16 07:00:23,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:00:23,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 07:00:23,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394098490] [2021-04-16 07:00:23,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 07:00:23,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:00:23,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 07:00:23,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 07:00:23,994 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:00:24,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:00:24,090 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2021-04-16 07:00:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 07:00:24,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-04-16 07:00:24,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:00:24,094 INFO L225 Difference]: With dead ends: 18 [2021-04-16 07:00:24,094 INFO L226 Difference]: Without dead ends: 13 [2021-04-16 07:00:24,095 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 101.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-16 07:00:24,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-04-16 07:00:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-04-16 07:00:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:00:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-04-16 07:00:24,105 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2021-04-16 07:00:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:00:24,105 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-04-16 07:00:24,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:00:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-04-16 07:00:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-04-16 07:00:24,106 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:00:24,106 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:00:24,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 07:00:24,106 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:00:24,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:00:24,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1717471862, now seen corresponding path program 1 times [2021-04-16 07:00:24,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:00:24,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555061333] [2021-04-16 07:00:24,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:00:24,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 07:00:24,169 INFO L175 rdanLoopAcceleration]: Guard: Formula: (<= 10 (mod v_main_~x~0_8 4294967296)) InVars {main_~x~0=v_main_~x~0_8} OutVars{main_~x~0=v_main_~x~0_8} AuxVars[] AssignedVars[] [2021-04-16 07:00:24,186 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.5 percent of original size [2021-04-16 07:00:24,195 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,248 INFO L108 tifierPushTermWalker]: treesize reduction 13, result has 7.1 percent of original size [2021-04-16 07:00:24,291 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 07:00:24,305 INFO L108 tifierPushTermWalker]: treesize reduction 13, result has 7.1 percent of original size [2021-04-16 07:00:24,333 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,343 INFO L108 tifierPushTermWalker]: treesize reduction 28, result has 3.4 percent of original size [2021-04-16 07:00:24,345 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 07:00:24,354 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,378 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,387 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,392 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,400 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,404 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,407 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,409 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,411 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.5 percent of original size 58 [2021-04-16 07:00:24,476 INFO L142 QuantifierPusher]: treesize reduction 8, result has 90.8 percent of original size [2021-04-16 07:00:24,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-04-16 07:00:24,479 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-04-16 07:00:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:00:24,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:24,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:00:24,552 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-16 07:00:24,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-16 07:00:24,578 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-04-16 07:00:24,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 07:00:24,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:00:24,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:00:24,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:24,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:00:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:00:24,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:24,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:00:24,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:00:24,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:24,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 07:00:24,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 07:00:27,470 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 45 [2021-04-16 07:00:27,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:27,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:00:27,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:27,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-04-16 07:00:27,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-04-16 07:00:29,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:00:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:00:29,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555061333] [2021-04-16 07:00:29,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:00:29,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-16 07:00:29,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250757320] [2021-04-16 07:00:29,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-16 07:00:29,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:00:29,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-16 07:00:29,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2021-04-16 07:00:29,631 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:00:29,853 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-16 07:00:36,979 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-16 07:00:42,689 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-16 07:00:45,014 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-16 07:00:45,223 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-16 07:00:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:00:45,224 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2021-04-16 07:00:45,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-16 07:00:45,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-04-16 07:00:45,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:00:45,224 INFO L225 Difference]: With dead ends: 17 [2021-04-16 07:00:45,225 INFO L226 Difference]: Without dead ends: 0 [2021-04-16 07:00:45,225 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 10804.3ms TimeCoverageRelationStatistics Valid=54, Invalid=153, Unknown=3, NotChecked=0, Total=210 [2021-04-16 07:00:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-16 07:00:45,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-16 07:00:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-16 07:00:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-16 07:00:45,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-04-16 07:00:45,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:00:45,226 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-16 07:00:45,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:00:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-16 07:00:45,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-16 07:00:45,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-16 07:00:45,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-04-16 07:00:45,462 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 5 [2021-04-16 07:00:45,598 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-04-16 07:01:33,540 WARN L205 SmtUtils]: Spent 47.94 s on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-04-16 07:01:33,774 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 7 [2021-04-16 07:01:33,822 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-04-16 07:01:33,823 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-04-16 07:01:33,823 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-04-16 07:01:33,823 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-04-16 07:01:33,823 INFO L194 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)|) (= |#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|)) [2021-04-16 07:01:33,823 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-04-16 07:01:33,823 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-04-16 07:01:33,823 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-04-16 07:01:33,823 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-04-16 07:01:33,823 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-04-16 07:01:33,823 INFO L201 CegarLoopUtils]: At program point mainENTRY(lines 12 20) the Hoare annotation is: true [2021-04-16 07:01:33,823 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 12 20) the Hoare annotation is: true [2021-04-16 07:01:33,824 INFO L194 CegarLoopUtils]: At program point L15-2(lines 15 17) the Hoare annotation is: (or (and (<= 10 (mod (+ main_~x~0 4294967294) 4294967296)) (exists ((v_main_~x~0_11 Int)) (and (<= 10 v_main_~x~0_11) (<= v_main_~x~0_11 10) (or (let ((.cse0 (div (+ v_main_~x~0_11 (* main_~x~0 (- 1)) 2) (- 2)))) (and (< (mod (+ v_main_~x~0_11 (* .cse0 2)) 4294967296) 10) (< 0 .cse0) (<= 10 (mod v_main_~x~0_11 4294967296)) (let ((.cse1 (* v_main_~x~0_11 (- 1)))) (<= (div (+ .cse1 (* .cse0 (- 1)) (div (+ v_main_~x~0_11 (- 1)) 2) 1) (- 2147483648)) (+ (div (+ v_main_~x~0_11 (* (div (+ .cse1 (- 10)) (- 2)) (- 1)) 1) 2147483648) 1))) (= (mod (+ v_main_~x~0_11 main_~x~0) (- 2)) 0))) (= main_~x~0 (+ v_main_~x~0_11 2)))))) (<= main_~x~0 (* 2 (div main_~x~0 2))) (exists ((v_main_~x~0_11 Int)) (and (or (= v_main_~x~0_11 main_~x~0) (let ((.cse2 (div (+ v_main_~x~0_11 (* main_~x~0 (- 1))) (- 2)))) (and (< (mod (+ v_main_~x~0_11 (* .cse2 2)) 4294967296) 10) (< 0 .cse2) (let ((.cse3 (* v_main_~x~0_11 (- 1)))) (<= (div (+ .cse3 (div (+ v_main_~x~0_11 (- 1)) 2) (* .cse2 (- 1)) 1) (- 2147483648)) (+ (div (+ v_main_~x~0_11 (* (div (+ .cse3 (- 10)) (- 2)) (- 1)) 1) 2147483648) 1))) (<= 10 (mod v_main_~x~0_11 4294967296)) (= (mod (+ v_main_~x~0_11 main_~x~0) (- 2)) 0)))) (<= 10 v_main_~x~0_11) (<= v_main_~x~0_11 10)))) [2021-04-16 07:01:33,824 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 12 20) the Hoare annotation is: true [2021-04-16 07:01:33,824 INFO L194 CegarLoopUtils]: At program point L15-3(lines 15 17) the Hoare annotation is: (<= main_~x~0 (* 2 (div main_~x~0 2))) [2021-04-16 07:01:33,824 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true [2021-04-16 07:01:33,824 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 5 10) the Hoare annotation is: true [2021-04-16 07:01:33,824 INFO L194 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-04-16 07:01:33,824 INFO L194 CegarLoopUtils]: At program point L6(lines 6 8) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-04-16 07:01:33,824 INFO L201 CegarLoopUtils]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2021-04-16 07:01:33,825 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-04-16 07:01:33,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 07:01:33 BoogieIcfgContainer [2021-04-16 07:01:33,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 07:01:33,878 INFO L168 Benchmark]: Toolchain (without parser) took 71752.75 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 124.5 MB in the beginning and 165.2 MB in the end (delta: -40.7 MB). Peak memory consumption was 72.5 MB. Max. memory is 8.0 GB. [2021-04-16 07:01:33,878 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 158.3 MB. Free memory was 141.0 MB in the beginning and 140.8 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 07:01:33,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.53 ms. Allocated memory is still 158.3 MB. Free memory was 124.3 MB in the beginning and 114.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-04-16 07:01:33,879 INFO L168 Benchmark]: Boogie Preprocessor took 110.97 ms. Allocated memory is still 158.3 MB. Free memory was 114.8 MB in the beginning and 142.0 MB in the end (delta: -27.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-04-16 07:01:33,879 INFO L168 Benchmark]: RCFGBuilder took 468.91 ms. Allocated memory is still 158.3 MB. Free memory was 142.0 MB in the beginning and 129.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-04-16 07:01:33,879 INFO L168 Benchmark]: TraceAbstraction took 70804.85 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 128.5 MB in the beginning and 165.2 MB in the end (delta: -36.7 MB). Peak memory consumption was 76.9 MB. Max. memory is 8.0 GB. [2021-04-16 07:01:33,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 158.3 MB. Free memory was 141.0 MB in the beginning and 140.8 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 351.53 ms. Allocated memory is still 158.3 MB. Free memory was 124.3 MB in the beginning and 114.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.97 ms. Allocated memory is still 158.3 MB. Free memory was 114.8 MB in the beginning and 142.0 MB in the end (delta: -27.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 468.91 ms. Allocated memory is still 158.3 MB. Free memory was 142.0 MB in the beginning and 129.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 70804.85 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 128.5 MB in the beginning and 165.2 MB in the end (delta: -36.7 MB). Peak memory consumption was 76.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22032.8ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 27.9ms, AutomataDifference: 15797.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 48595.6ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 32 SDtfs, 20 SDslu, 36 SDs, 0 SdLazy, 39 SolverSat, 15 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 8419.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 10994.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 29.7ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 18 LocationsWithAnnotation, 36 PreInvPairs, 49 NumberOfFragments, 259 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 119.2ms HoareSimplificationTime, 18 FomulaSimplificationsInter, 362 FormulaSimplificationTreeSizeReductionInter, 48465.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2021-04-16 07:01:33,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] [2021-04-16 07:01:33,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_11,QUANTIFIED] Derived loop invariant: ((10 <= (x + 4294967294) % 4294967296 && (\exists v_main_~x~0_11 : int :: (10 <= v_main_~x~0_11 && v_main_~x~0_11 <= 10) && ((((((v_main_~x~0_11 + (v_main_~x~0_11 + x * -1 + 2) / -2 * 2) % 4294967296 < 10 && 0 < (v_main_~x~0_11 + x * -1 + 2) / -2) && 10 <= v_main_~x~0_11 % 4294967296) && (v_main_~x~0_11 * -1 + (v_main_~x~0_11 + x * -1 + 2) / -2 * -1 + (v_main_~x~0_11 + -1) / 2 + 1) / -2147483648 <= (v_main_~x~0_11 + (v_main_~x~0_11 * -1 + -10) / -2 * -1 + 1) / 2147483648 + 1) && (v_main_~x~0_11 + x) % -2 == 0) || x == v_main_~x~0_11 + 2))) || x <= 2 * (x / 2)) || (\exists v_main_~x~0_11 : int :: ((v_main_~x~0_11 == x || (((((v_main_~x~0_11 + (v_main_~x~0_11 + x * -1) / -2 * 2) % 4294967296 < 10 && 0 < (v_main_~x~0_11 + x * -1) / -2) && (v_main_~x~0_11 * -1 + (v_main_~x~0_11 + -1) / 2 + (v_main_~x~0_11 + x * -1) / -2 * -1 + 1) / -2147483648 <= (v_main_~x~0_11 + (v_main_~x~0_11 * -1 + -10) / -2 * -1 + 1) / 2147483648 + 1) && 10 <= v_main_~x~0_11 % 4294967296) && (v_main_~x~0_11 + x) % -2 == 0)) && 10 <= v_main_~x~0_11) && v_main_~x~0_11 <= 10) - ProcedureContractResult [Line: 12]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 5]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...