/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:48:07,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:48:07,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:48:07,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:48:07,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:48:07,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:48:07,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:48:07,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:48:07,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:48:07,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:48:07,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:48:07,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:48:07,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:48:07,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:48:07,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:48:07,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:48:07,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:48:07,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:48:07,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:48:07,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:48:07,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:48:07,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:48:07,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:48:07,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:48:07,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:48:07,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:48:07,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:48:07,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:48:07,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:48:07,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:48:07,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:48:07,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:48:07,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:48:07,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:48:07,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:48:07,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:48:07,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:48:07,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:48:07,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:48:07,536 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:48:07,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:48:07,537 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:48:07,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:48:07,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:48:07,537 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:48:07,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:48:07,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:48:07,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:48:07,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:48:07,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:48:07,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:48:07,539 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:48:07,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:48:07,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:48:07,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:48:07,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:48:07,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:48:07,996 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:48:07,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2021-02-24 04:48:08,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b821f42/9301ce7066984a9e9be2c754b208aa1f/FLAG59bb945d1 [2021-02-24 04:48:08,735 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:48:08,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2021-02-24 04:48:08,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b821f42/9301ce7066984a9e9be2c754b208aa1f/FLAG59bb945d1 [2021-02-24 04:48:09,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b821f42/9301ce7066984a9e9be2c754b208aa1f [2021-02-24 04:48:09,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:48:09,111 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:48:09,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:48:09,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:48:09,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:48:09,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59425191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09, skipping insertion in model container [2021-02-24 04:48:09,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:48:09,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:48:09,402 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-invgen/apache-escape-absolute.i[893,906] [2021-02-24 04:48:09,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:48:09,474 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:48:09,494 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-invgen/apache-escape-absolute.i[893,906] [2021-02-24 04:48:09,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:48:09,545 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:48:09,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09 WrapperNode [2021-02-24 04:48:09,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:48:09,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:48:09,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:48:09,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:48:09,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (1/1) ... [2021-02-24 04:48:09,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:48:09,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:48:09,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:48:09,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:48:09,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (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 [2021-02-24 04:48:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:48:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:48:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:48:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-24 04:48:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-24 04:48:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:48:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:48:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:48:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:48:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:48:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:48:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:48:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-24 04:48:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 04:48:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:48:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:48:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:48:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:48:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:48:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:48:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:48:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:48:10,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:48:10,211 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-24 04:48:10,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:48:10 BoogieIcfgContainer [2021-02-24 04:48:10,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:48:10,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:48:10,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:48:10,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:48:10,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:48:09" (1/3) ... [2021-02-24 04:48:10,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c643e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:48:10, skipping insertion in model container [2021-02-24 04:48:10,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:48:09" (2/3) ... [2021-02-24 04:48:10,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c643e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:48:10, skipping insertion in model container [2021-02-24 04:48:10,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:48:10" (3/3) ... [2021-02-24 04:48:10,224 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2021-02-24 04:48:10,232 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:48:10,237 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:48:10,259 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:48:10,285 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:48:10,285 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:48:10,286 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:48:10,286 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:48:10,286 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:48:10,286 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:48:10,287 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:48:10,287 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:48:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2021-02-24 04:48:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-24 04:48:10,318 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:48:10,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:48:10,320 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:48:10,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:48:10,328 INFO L82 PathProgramCache]: Analyzing trace with hash 982526872, now seen corresponding path program 1 times [2021-02-24 04:48:10,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:48:10,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849203748] [2021-02-24 04:48:10,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:48:10,425 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:48:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:10,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:10,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:10,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:10,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:48:10,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:10,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:48:10,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:10,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:10,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:10,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:10,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:10,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:48:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:10,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:10,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:10,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:48:10,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849203748] [2021-02-24 04:48:10,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:48:10,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 04:48:10,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464000941] [2021-02-24 04:48:10,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 04:48:10,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:48:10,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 04:48:10,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:48:10,887 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 7 states. [2021-02-24 04:48:11,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:48:11,920 INFO L93 Difference]: Finished difference Result 186 states and 281 transitions. [2021-02-24 04:48:11,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 04:48:11,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2021-02-24 04:48:11,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:48:11,939 INFO L225 Difference]: With dead ends: 186 [2021-02-24 04:48:11,939 INFO L226 Difference]: Without dead ends: 110 [2021-02-24 04:48:11,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-24 04:48:11,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-02-24 04:48:12,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2021-02-24 04:48:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-24 04:48:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 123 transitions. [2021-02-24 04:48:12,065 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 123 transitions. Word has length 37 [2021-02-24 04:48:12,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:48:12,066 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 123 transitions. [2021-02-24 04:48:12,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 04:48:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2021-02-24 04:48:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-24 04:48:12,070 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:48:12,070 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:48:12,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:48:12,071 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:48:12,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:48:12,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1777685375, now seen corresponding path program 1 times [2021-02-24 04:48:12,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:48:12,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738869564] [2021-02-24 04:48:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:48:12,083 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:48:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:12,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:12,143 WARN L141 QuantifierPusher]: treesize reduction 6, result has 45.5 percent of original size [2021-02-24 04:48:12,144 WARN L147 QuantifierPusher]: treesize reduction 6, result has 45.5 percent of original size 5 [2021-02-24 04:48:12,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:12,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:48:12,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:12,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:12,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:12,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:48:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:12,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 04:48:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:12,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:48:12,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738869564] [2021-02-24 04:48:12,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:48:12,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 04:48:12,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551950981] [2021-02-24 04:48:12,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 04:48:12,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:48:12,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 04:48:12,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-24 04:48:12,235 INFO L87 Difference]: Start difference. First operand 100 states and 123 transitions. Second operand 8 states. [2021-02-24 04:48:12,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:48:12,870 INFO L93 Difference]: Finished difference Result 106 states and 128 transitions. [2021-02-24 04:48:12,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-24 04:48:12,871 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2021-02-24 04:48:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:48:12,875 INFO L225 Difference]: With dead ends: 106 [2021-02-24 04:48:12,875 INFO L226 Difference]: Without dead ends: 104 [2021-02-24 04:48:12,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-02-24 04:48:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-24 04:48:12,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-02-24 04:48:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-02-24 04:48:12,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2021-02-24 04:48:12,907 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 42 [2021-02-24 04:48:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:48:12,907 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2021-02-24 04:48:12,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 04:48:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2021-02-24 04:48:12,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-02-24 04:48:12,910 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:48:12,910 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:48:12,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:48:12,911 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:48:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:48:12,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1379557309, now seen corresponding path program 1 times [2021-02-24 04:48:12,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:48:12,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541764181] [2021-02-24 04:48:12,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:48:12,916 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:48:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:12,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:12,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:12,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:48:13,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:48:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 04:48:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-24 04:48:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-24 04:48:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 04:48:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-24 04:48:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-02-24 04:48:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-02-24 04:48:13,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541764181] [2021-02-24 04:48:13,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:48:13,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:48:13,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28078247] [2021-02-24 04:48:13,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:48:13,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:48:13,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:48:13,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:48:13,069 INFO L87 Difference]: Start difference. First operand 104 states and 126 transitions. Second operand 4 states. [2021-02-24 04:48:13,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:48:13,409 INFO L93 Difference]: Finished difference Result 147 states and 180 transitions. [2021-02-24 04:48:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 04:48:13,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2021-02-24 04:48:13,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:48:13,413 INFO L225 Difference]: With dead ends: 147 [2021-02-24 04:48:13,414 INFO L226 Difference]: Without dead ends: 104 [2021-02-24 04:48:13,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:48:13,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-24 04:48:13,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-02-24 04:48:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-02-24 04:48:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2021-02-24 04:48:13,441 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 72 [2021-02-24 04:48:13,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:48:13,442 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2021-02-24 04:48:13,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:48:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2021-02-24 04:48:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-24 04:48:13,444 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:48:13,444 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:48:13,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 04:48:13,445 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:48:13,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:48:13,445 INFO L82 PathProgramCache]: Analyzing trace with hash 302386887, now seen corresponding path program 1 times [2021-02-24 04:48:13,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:48:13,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130490825] [2021-02-24 04:48:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:48:13,448 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:48:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:48:13,586 WARN L141 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-02-24 04:48:13,586 WARN L147 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size 3 [2021-02-24 04:48:13,598 WARN L141 QuantifierPusher]: treesize reduction 14, result has 41.7 percent of original size [2021-02-24 04:48:13,599 WARN L147 QuantifierPusher]: treesize reduction 14, result has 41.7 percent of original size 10 [2021-02-24 04:48:13,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:13,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:13,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:48:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 04:48:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-24 04:48:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-24 04:48:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 04:48:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 04:48:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-02-24 04:48:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:13,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:13,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-02-24 04:48:13,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130490825] [2021-02-24 04:48:13,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:48:13,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 04:48:13,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577155209] [2021-02-24 04:48:13,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 04:48:13,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:48:13,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 04:48:13,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-24 04:48:13,715 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand 8 states. [2021-02-24 04:48:14,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:48:14,300 INFO L93 Difference]: Finished difference Result 110 states and 129 transitions. [2021-02-24 04:48:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-24 04:48:14,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2021-02-24 04:48:14,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:48:14,304 INFO L225 Difference]: With dead ends: 110 [2021-02-24 04:48:14,304 INFO L226 Difference]: Without dead ends: 108 [2021-02-24 04:48:14,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-02-24 04:48:14,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-02-24 04:48:14,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-02-24 04:48:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-02-24 04:48:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 127 transitions. [2021-02-24 04:48:14,354 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 127 transitions. Word has length 75 [2021-02-24 04:48:14,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:48:14,358 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 127 transitions. [2021-02-24 04:48:14,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 04:48:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2021-02-24 04:48:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-02-24 04:48:14,369 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:48:14,370 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:48:14,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 04:48:14,370 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:48:14,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:48:14,371 INFO L82 PathProgramCache]: Analyzing trace with hash 255736435, now seen corresponding path program 1 times [2021-02-24 04:48:14,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:48:14,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599702907] [2021-02-24 04:48:14,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:48:14,376 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:48:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:48:14,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:48:14,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:14,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:14,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:48:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 04:48:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-24 04:48:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-24 04:48:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 04:48:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 04:48:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-02-24 04:48:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-24 04:48:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-02-24 04:48:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-02-24 04:48:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 04:48:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-02-24 04:48:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-02-24 04:48:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:14,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:14,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-02-24 04:48:14,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599702907] [2021-02-24 04:48:14,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:48:14,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 04:48:14,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782415756] [2021-02-24 04:48:14,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 04:48:14,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:48:14,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 04:48:14,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:48:14,665 INFO L87 Difference]: Start difference. First operand 108 states and 127 transitions. Second operand 7 states. [2021-02-24 04:48:15,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:48:15,235 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2021-02-24 04:48:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 04:48:15,236 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2021-02-24 04:48:15,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:48:15,238 INFO L225 Difference]: With dead ends: 119 [2021-02-24 04:48:15,239 INFO L226 Difference]: Without dead ends: 117 [2021-02-24 04:48:15,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-02-24 04:48:15,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-02-24 04:48:15,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2021-02-24 04:48:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-02-24 04:48:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2021-02-24 04:48:15,269 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 121 [2021-02-24 04:48:15,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:48:15,270 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2021-02-24 04:48:15,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 04:48:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2021-02-24 04:48:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-02-24 04:48:15,272 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:48:15,273 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:48:15,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 04:48:15,273 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:48:15,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:48:15,274 INFO L82 PathProgramCache]: Analyzing trace with hash -649987322, now seen corresponding path program 1 times [2021-02-24 04:48:15,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:48:15,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833658773] [2021-02-24 04:48:15,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:48:15,277 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:48:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:48:15,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:48:15,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:15,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:48:15,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:48:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 04:48:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-24 04:48:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-24 04:48:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 04:48:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 04:48:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-02-24 04:48:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-24 04:48:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-02-24 04:48:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-02-24 04:48:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 04:48:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-02-24 04:48:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-02-24 04:48:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-24 04:48:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:48:15,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:48:15,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:48:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-02-24 04:48:15,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833658773] [2021-02-24 04:48:15,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:48:15,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 04:48:15,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498837651] [2021-02-24 04:48:15,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 04:48:15,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:48:15,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 04:48:15,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:48:15,486 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 7 states. [2021-02-24 04:48:16,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:48:16,075 INFO L93 Difference]: Finished difference Result 124 states and 145 transitions. [2021-02-24 04:48:16,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 04:48:16,075 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2021-02-24 04:48:16,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:48:16,076 INFO L225 Difference]: With dead ends: 124 [2021-02-24 04:48:16,076 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 04:48:16,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-24 04:48:16,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 04:48:16,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 04:48:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 04:48:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 04:48:16,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 126 [2021-02-24 04:48:16,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:48:16,077 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 04:48:16,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 04:48:16,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 04:48:16,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 04:48:16,078 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 04:48:16,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 04:48:17,003 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-02-24 04:48:17,141 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-02-24 04:48:17,254 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-02-24 04:48:17,816 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-02-24 04:48:18,586 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-02-24 04:48:18,782 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-02-24 04:48:18,970 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-02-24 04:48:19,134 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-02-24 04:48:19,440 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-24 04:48:19,441 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-24 04:48:19,441 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-24 04:48:19,441 INFO L189 CegarLoopUtils]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-02-24 04:48:19,441 INFO L189 CegarLoopUtils]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-02-24 04:48:19,441 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:48:19,441 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-24 04:48:19,442 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2021-02-24 04:48:19,442 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-24 04:48:19,442 INFO L192 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: true [2021-02-24 04:48:19,442 INFO L192 CegarLoopUtils]: At program point L12-2(line 12) the Hoare annotation is: true [2021-02-24 04:48:19,442 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-02-24 04:48:19,442 INFO L192 CegarLoopUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2021-02-24 04:48:19,443 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:48:19,443 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:48:19,443 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:48:19,443 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-24 04:48:19,443 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-24 04:48:19,443 INFO L189 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed. [2021-02-24 04:48:19,443 INFO L189 CegarLoopUtils]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-02-24 04:48:19,443 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2021-02-24 04:48:19,443 INFO L189 CegarLoopUtils]: For program point L15-3(lines 14 16) no Hoare annotation was computed. [2021-02-24 04:48:19,444 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2021-02-24 04:48:19,445 INFO L185 CegarLoopUtils]: At program point L60(line 60) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,445 INFO L192 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: true [2021-02-24 04:48:19,445 INFO L192 CegarLoopUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2021-02-24 04:48:19,445 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 24 83) the Hoare annotation is: true [2021-02-24 04:48:19,445 INFO L185 CegarLoopUtils]: At program point L44(lines 44 80) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,446 INFO L185 CegarLoopUtils]: At program point L44-1(line 44) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,447 INFO L185 CegarLoopUtils]: At program point L44-3(line 44) the Hoare annotation is: (and (<= (+ main_~cp~0 1) main_~urilen~0) (<= (+ main_~scheme~0 1) main_~urilen~0)) [2021-02-24 04:48:19,448 INFO L185 CegarLoopUtils]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,448 INFO L192 CegarLoopUtils]: At program point L36(lines 25 83) the Hoare annotation is: true [2021-02-24 04:48:19,449 INFO L185 CegarLoopUtils]: At program point L69-1(line 69) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,449 INFO L185 CegarLoopUtils]: At program point L69-2(line 69) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,449 INFO L185 CegarLoopUtils]: At program point L69-3(lines 69 75) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse3 (<= (+ main_~c~0 1) main_~tokenlen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,449 INFO L185 CegarLoopUtils]: At program point L61(line 61) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,449 INFO L192 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: true [2021-02-24 04:48:19,450 INFO L185 CegarLoopUtils]: At program point L61-1(lines 61 79) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,450 INFO L192 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2021-02-24 04:48:19,450 INFO L185 CegarLoopUtils]: At program point L61-2(line 61) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,450 INFO L192 CegarLoopUtils]: At program point L61-3(line 61) the Hoare annotation is: true [2021-02-24 04:48:19,450 INFO L185 CegarLoopUtils]: At program point L53(line 53) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,450 INFO L185 CegarLoopUtils]: At program point L45(line 45) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,450 INFO L185 CegarLoopUtils]: At program point L45-1(line 45) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,451 INFO L185 CegarLoopUtils]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,451 INFO L185 CegarLoopUtils]: At program point L37(lines 25 83) the Hoare annotation is: (< 0 (+ main_~scheme~0 1)) [2021-02-24 04:48:19,452 INFO L185 CegarLoopUtils]: At program point L70-1(line 70) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,452 INFO L185 CegarLoopUtils]: At program point L70-2(line 70) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,452 INFO L185 CegarLoopUtils]: At program point L62(line 62) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,452 INFO L192 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: true [2021-02-24 04:48:19,452 INFO L192 CegarLoopUtils]: At program point L29-1(line 29) the Hoare annotation is: true [2021-02-24 04:48:19,452 INFO L192 CegarLoopUtils]: At program point L29-2(line 29) the Hoare annotation is: true [2021-02-24 04:48:19,453 INFO L185 CegarLoopUtils]: At program point L54(lines 44 80) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,453 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 24 83) the Hoare annotation is: true [2021-02-24 04:48:19,453 INFO L185 CegarLoopUtils]: At program point L71(line 71) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,453 INFO L185 CegarLoopUtils]: At program point L71-1(line 71) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,453 INFO L185 CegarLoopUtils]: At program point L63(line 63) the Hoare annotation is: (and (< 0 main_~scheme~0) (= main_~c~0 0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,453 INFO L192 CegarLoopUtils]: At program point L30(line 30) the Hoare annotation is: true [2021-02-24 04:48:19,454 INFO L185 CegarLoopUtils]: At program point L63-1(line 63) the Hoare annotation is: (and (< 0 main_~scheme~0) (= main_~c~0 0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,454 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 24 83) the Hoare annotation is: true [2021-02-24 04:48:19,454 INFO L192 CegarLoopUtils]: At program point L30-1(line 30) the Hoare annotation is: true [2021-02-24 04:48:19,454 INFO L192 CegarLoopUtils]: At program point L30-2(line 30) the Hoare annotation is: true [2021-02-24 04:48:19,454 INFO L185 CegarLoopUtils]: At program point L47-1(lines 46 52) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,454 INFO L185 CegarLoopUtils]: At program point L47-2(lines 47 52) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,454 INFO L185 CegarLoopUtils]: At program point L72(line 72) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,455 INFO L192 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: true [2021-02-24 04:48:19,456 INFO L192 CegarLoopUtils]: At program point L31-1(line 31) the Hoare annotation is: true [2021-02-24 04:48:19,456 INFO L192 CegarLoopUtils]: At program point L31-2(line 31) the Hoare annotation is: true [2021-02-24 04:48:19,456 INFO L185 CegarLoopUtils]: At program point L56(line 56) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,456 INFO L185 CegarLoopUtils]: At program point L56-1(line 56) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,457 INFO L192 CegarLoopUtils]: At program point L81(lines 25 83) the Hoare annotation is: true [2021-02-24 04:48:19,457 INFO L185 CegarLoopUtils]: At program point L48(line 48) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,457 INFO L185 CegarLoopUtils]: At program point L48-1(line 48) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,457 INFO L185 CegarLoopUtils]: At program point L48-2(line 48) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,459 INFO L185 CegarLoopUtils]: At program point L48-4(line 48) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,459 INFO L185 CegarLoopUtils]: At program point L73(line 73) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,460 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-02-24 04:48:19,460 INFO L185 CegarLoopUtils]: At program point L65-1(lines 64 77) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse3 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3))) [2021-02-24 04:48:19,460 INFO L192 CegarLoopUtils]: At program point L32-1(line 32) the Hoare annotation is: true [2021-02-24 04:48:19,460 INFO L185 CegarLoopUtils]: At program point L57(lines 44 80) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,460 INFO L185 CegarLoopUtils]: At program point L49(line 49) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,460 INFO L185 CegarLoopUtils]: At program point L49-1(line 49) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,461 INFO L185 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= (+ main_~scheme~0 1) main_~urilen~0)) [2021-02-24 04:48:19,461 INFO L192 CegarLoopUtils]: At program point L33(line 33) the Hoare annotation is: true [2021-02-24 04:48:19,461 INFO L192 CegarLoopUtils]: At program point L33-1(line 33) the Hoare annotation is: true [2021-02-24 04:48:19,461 INFO L185 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,461 INFO L185 CegarLoopUtils]: At program point L42(line 42) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,461 INFO L185 CegarLoopUtils]: At program point L42-1(line 42) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,461 INFO L185 CegarLoopUtils]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,462 INFO L192 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: true [2021-02-24 04:48:19,462 INFO L185 CegarLoopUtils]: At program point L67-1(line 67) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,462 INFO L192 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2021-02-24 04:48:19,462 INFO L185 CegarLoopUtils]: At program point L59(line 59) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,462 INFO L185 CegarLoopUtils]: At program point L59-1(line 59) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,463 INFO L185 CegarLoopUtils]: At program point L59-2(line 59) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,463 INFO L185 CegarLoopUtils]: At program point L51(line 51) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,463 INFO L185 CegarLoopUtils]: At program point L51-1(line 51) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,463 INFO L185 CegarLoopUtils]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse3 (<= (+ main_~c~0 1) main_~tokenlen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,463 INFO L185 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2021-02-24 04:48:19,463 INFO L185 CegarLoopUtils]: At program point L76-1(line 76) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse3 (<= (+ main_~c~0 1) main_~tokenlen~0)) (.cse4 (< main_~cp~0 main_~urilen~0))) (or (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4))) [2021-02-24 04:48:19,464 INFO L185 CegarLoopUtils]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-02-24 04:48:19,464 INFO L192 CegarLoopUtils]: At program point L35(line 35) the Hoare annotation is: true [2021-02-24 04:48:19,464 INFO L192 CegarLoopUtils]: At program point L35-1(lines 25 83) the Hoare annotation is: true [2021-02-24 04:48:19,464 INFO L185 CegarLoopUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-24 04:48:19,464 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2021-02-24 04:48:19,464 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-24 04:48:19,465 INFO L185 CegarLoopUtils]: At program point L19(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-24 04:48:19,465 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-24 04:48:19,465 INFO L185 CegarLoopUtils]: At program point L18(lines 18 20) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-24 04:48:19,465 INFO L185 CegarLoopUtils]: At program point L19-1(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-24 04:48:19,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:48:19 BoogieIcfgContainer [2021-02-24 04:48:19,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:48:19,498 INFO L168 Benchmark]: Toolchain (without parser) took 10399.02 ms. Allocated memory was 172.0 MB in the beginning and 298.8 MB in the end (delta: 126.9 MB). Free memory was 147.8 MB in the beginning and 115.1 MB in the end (delta: 32.8 MB). Peak memory consumption was 160.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:48:19,507 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 172.0 MB. Free memory was 145.8 MB in the beginning and 145.8 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:48:19,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.94 ms. Allocated memory is still 172.0 MB. Free memory was 146.6 MB in the beginning and 136.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:48:19,510 INFO L168 Benchmark]: Boogie Preprocessor took 40.69 ms. Allocated memory is still 172.0 MB. Free memory was 136.3 MB in the beginning and 134.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:48:19,511 INFO L168 Benchmark]: RCFGBuilder took 625.34 ms. Allocated memory is still 172.0 MB. Free memory was 134.7 MB in the beginning and 144.0 MB in the end (delta: -9.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:48:19,517 INFO L168 Benchmark]: TraceAbstraction took 9280.70 ms. Allocated memory was 172.0 MB in the beginning and 298.8 MB in the end (delta: 126.9 MB). Free memory was 143.5 MB in the beginning and 115.1 MB in the end (delta: 28.4 MB). Peak memory consumption was 156.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:48:19,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 172.0 MB. Free memory was 145.8 MB in the beginning and 145.8 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 429.94 ms. Allocated memory is still 172.0 MB. Free memory was 146.6 MB in the beginning and 136.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.69 ms. Allocated memory is still 172.0 MB. Free memory was 136.3 MB in the beginning and 134.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 625.34 ms. Allocated memory is still 172.0 MB. Free memory was 134.7 MB in the beginning and 144.0 MB in the end (delta: -9.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9280.70 ms. Allocated memory was 172.0 MB in the beginning and 298.8 MB in the end (delta: 126.9 MB). Free memory was 143.5 MB in the beginning and 115.1 MB in the end (delta: 28.4 MB). Peak memory consumption was 156.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((0 < scheme && 1 <= cp) && scheme + 1 <= urilen) && cp < urilen - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((0 < scheme && c == 0) && 1 <= cp) && scheme + 1 <= urilen) && cp < urilen) || ((((1 <= c && 0 < scheme) && 1 <= cp) && scheme + 1 <= urilen) && cp < urilen) - ProcedureContractResult [Line: 24]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 6, TraceHistogramMax: 14, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 533 SDtfs, 690 SDslu, 528 SDs, 0 SdLazy, 1730 SolverSat, 388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 100 LocationsWithAnnotation, 450 PreInvPairs, 579 NumberOfFragments, 1521 HoareAnnotationTreeSize, 450 FomulaSimplifications, 1648 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 100 FomulaSimplificationsInter, 2776 FormulaSimplificationTreeSizeReductionInter, 2.6s 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...