/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/array-examples/sanfoundry_24-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:19:38,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:19:38,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:19:38,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:19:38,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:19:38,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:19:38,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:19:38,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:19:38,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:19:38,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:19:38,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:19:38,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:19:38,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:19:38,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:19:38,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:19:38,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:19:38,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:19:38,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:19:38,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:19:38,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:19:38,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:19:38,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:19:38,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:19:38,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:19:38,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:19:38,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:19:38,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:19:38,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:19:38,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:19:38,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:19:38,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:19:38,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:19:38,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:19:38,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:19:38,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:19:38,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:19:38,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:19:38,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:19:38,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:19:38,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:19:38,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:19:38,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:19:38,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:19:38,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:19:38,809 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:19:38,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:19:38,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:19:38,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:19:38,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:19:38,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:19:38,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:19:38,811 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:19:38,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:19:39,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:19:39,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:19:39,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:19:39,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:19:39,231 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:19:39,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2021-02-22 02:19:39,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6153112f3/987388718b504672a7e675e77ef83a73/FLAGd8149cbb6 [2021-02-22 02:19:40,105 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:19:40,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2021-02-22 02:19:40,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6153112f3/987388718b504672a7e675e77ef83a73/FLAGd8149cbb6 [2021-02-22 02:19:40,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6153112f3/987388718b504672a7e675e77ef83a73 [2021-02-22 02:19:40,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:19:40,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:19:40,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:19:40,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:19:40,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:19:40,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc5db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40, skipping insertion in model container [2021-02-22 02:19:40,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:19:40,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:19:40,622 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i[848,861] [2021-02-22 02:19:40,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:19:40,651 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:19:40,667 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i[848,861] [2021-02-22 02:19:40,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:19:40,695 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:19:40,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40 WrapperNode [2021-02-22 02:19:40,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:19:40,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:19:40,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:19:40,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:19:40,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (1/1) ... [2021-02-22 02:19:40,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:19:40,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:19:40,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:19:40,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:19:40,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (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 [2021-02-22 02:19:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:19:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:19:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:19:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-22 02:19:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven [2021-02-22 02:19:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd [2021-02-22 02:19:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:19:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:19:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:19:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:19:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:19:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:19:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:19:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:19:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-22 02:19:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure printEven [2021-02-22 02:19:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd [2021-02-22 02:19:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:19:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:19:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:19:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:19:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:19:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:19:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:19:41,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:19:41,531 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-02-22 02:19:41,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:19:41 BoogieIcfgContainer [2021-02-22 02:19:41,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:19:41,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:19:41,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:19:41,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:19:41,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:19:40" (1/3) ... [2021-02-22 02:19:41,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470e2d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:19:41, skipping insertion in model container [2021-02-22 02:19:41,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:40" (2/3) ... [2021-02-22 02:19:41,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470e2d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:19:41, skipping insertion in model container [2021-02-22 02:19:41,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:19:41" (3/3) ... [2021-02-22 02:19:41,543 INFO L111 eAbstractionObserver]: Analyzing ICFG sanfoundry_24-1.i [2021-02-22 02:19:41,551 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:19:41,556 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:19:41,580 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:19:41,609 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:19:41,610 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:19:41,610 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:19:41,610 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:19:41,610 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:19:41,610 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:19:41,610 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:19:41,611 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:19:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2021-02-22 02:19:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-22 02:19:41,640 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:19:41,641 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] [2021-02-22 02:19:41,642 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:19:41,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:19:41,649 INFO L82 PathProgramCache]: Analyzing trace with hash 225075960, now seen corresponding path program 1 times [2021-02-22 02:19:41,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:19:41,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174007540] [2021-02-22 02:19:41,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:19:41,751 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:19:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:19:41,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:41,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:41,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:41,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:19:41,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:41,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:19:41,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:41,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:19:41,998 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-22 02:19:41,999 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-22 02:19:42,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:42,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:42,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:19:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:19:42,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:42,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:19:42,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174007540] [2021-02-22 02:19:42,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:19:42,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 02:19:42,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674256076] [2021-02-22 02:19:42,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 02:19:42,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:19:42,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 02:19:42,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-22 02:19:42,108 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 6 states. [2021-02-22 02:19:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:19:42,614 INFO L93 Difference]: Finished difference Result 150 states and 186 transitions. [2021-02-22 02:19:42,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:19:42,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2021-02-22 02:19:42,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:19:42,642 INFO L225 Difference]: With dead ends: 150 [2021-02-22 02:19:42,642 INFO L226 Difference]: Without dead ends: 88 [2021-02-22 02:19:42,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-22 02:19:42,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-02-22 02:19:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 64. [2021-02-22 02:19:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-22 02:19:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2021-02-22 02:19:42,827 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 30 [2021-02-22 02:19:42,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:19:42,829 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2021-02-22 02:19:42,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 02:19:42,829 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2021-02-22 02:19:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-22 02:19:42,832 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:19:42,833 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] [2021-02-22 02:19:42,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:19:42,834 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:19:42,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:19:42,835 INFO L82 PathProgramCache]: Analyzing trace with hash 384352712, now seen corresponding path program 1 times [2021-02-22 02:19:42,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:19:42,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985708034] [2021-02-22 02:19:42,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:19:42,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:42,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:19:42,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:42,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:19:42,924 WARN L141 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-02-22 02:19:42,941 INFO L723 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2021-02-22 02:19:42,949 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:42,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:42,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:42,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-22 02:19:42,973 WARN L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-02-22 02:19:42,980 WARN L141 QuantifierPusher]: treesize reduction 14, result has 78.1 percent of original size [2021-02-22 02:19:42,984 WARN L147 QuantifierPusher]: treesize reduction 14, result has 78.1 percent of original size 50 [2021-02-22 02:19:42,985 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-02-22 02:19:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:19:43,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:43,175 WARN L141 QuantifierPusher]: treesize reduction 28, result has 55.6 percent of original size [2021-02-22 02:19:43,178 WARN L147 QuantifierPusher]: treesize reduction 28, result has 55.6 percent of original size 35 [2021-02-22 02:19:43,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:19:43,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:19:43,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:19:43,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 02:19:43,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:19:43,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:19:43,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:19:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:19:43,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:19:43,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:43,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:19:43,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 02:19:43,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:19:43,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:19:43,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:43,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:19:43,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:19:43,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:43,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:19:43,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:19:43,597 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_main_#t~nondet5_9| Int) (|v_#memory_int_16| (Array Int (Array Int Int)))) (and (<= |v_main_#t~nondet5_9| 2147483647) (<= 0 (+ |v_main_#t~nondet5_9| 2147483648)) (= (store |v_#memory_int_16| |c_main_~#array~0.base| (store (select |v_#memory_int_16| |c_main_~#array~0.base|) (+ (* c_main_~i~0 4) |c_main_~#array~0.offset|) |v_main_#t~nondet5_9|)) |c_#memory_int|))) (< c_main_~i~0 c_main_~num~0)) is different from true [2021-02-22 02:19:43,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:43,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:19:43,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:19:43,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:43,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:19:43,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:19:43,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:43,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:19:43,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:19:43,778 WARN L860 $PredicateComparison]: unable to prove that (and (< c_main_~i~0 (+ c_main_~num~0 1)) (exists ((|v_main_#t~nondet5_9| Int) (|v_#memory_int_16| (Array Int (Array Int Int)))) (and (= |c_#memory_int| (store |v_#memory_int_16| |c_main_~#array~0.base| (store (select |v_#memory_int_16| |c_main_~#array~0.base|) (+ (* c_main_~i~0 4) |c_main_~#array~0.offset| (- 4)) |v_main_#t~nondet5_9|))) (<= |v_main_#t~nondet5_9| 2147483647) (<= 0 (+ |v_main_#t~nondet5_9| 2147483648))))) is different from true [2021-02-22 02:19:43,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:43,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:43,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985708034] [2021-02-22 02:19:43,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:19:43,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-22 02:19:43,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443526001] [2021-02-22 02:19:43,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-22 02:19:43,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:19:43,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-22 02:19:43,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=180, Unknown=3, NotChecked=54, Total=272 [2021-02-22 02:19:43,785 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 17 states. [2021-02-22 02:19:44,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:19:44,841 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2021-02-22 02:19:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-22 02:19:44,842 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 37 [2021-02-22 02:19:44,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:19:44,844 INFO L225 Difference]: With dead ends: 72 [2021-02-22 02:19:44,844 INFO L226 Difference]: Without dead ends: 70 [2021-02-22 02:19:44,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=81, Invalid=476, Unknown=3, NotChecked=90, Total=650 [2021-02-22 02:19:44,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-02-22 02:19:44,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-02-22 02:19:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2021-02-22 02:19:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2021-02-22 02:19:44,864 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 37 [2021-02-22 02:19:44,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:19:44,865 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2021-02-22 02:19:44,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-22 02:19:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2021-02-22 02:19:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-22 02:19:44,866 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:19:44,867 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:19:44,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 02:19:44,867 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:19:44,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:19:44,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1038970459, now seen corresponding path program 1 times [2021-02-22 02:19:44,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:19:44,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313402592] [2021-02-22 02:19:44,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:19:44,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:44,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:19:44,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:44,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:19:44,904 WARN L141 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-02-22 02:19:44,906 INFO L723 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2021-02-22 02:19:44,909 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:44,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:44,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:44,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-22 02:19:44,917 WARN L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-02-22 02:19:44,921 WARN L141 QuantifierPusher]: treesize reduction 14, result has 78.1 percent of original size [2021-02-22 02:19:44,924 WARN L147 QuantifierPusher]: treesize reduction 14, result has 78.1 percent of original size 50 [2021-02-22 02:19:44,925 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-02-22 02:19:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:19:45,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:45,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 02:19:45,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 02:19:45,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 02:19:45,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 02:19:45,124 WARN L141 QuantifierPusher]: treesize reduction 62, result has 11.4 percent of original size [2021-02-22 02:19:45,126 WARN L147 QuantifierPusher]: treesize reduction 62, result has 11.4 percent of original size 8 [2021-02-22 02:19:45,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:19:45,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:19:45,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:45,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:19:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:19:45,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:19:45,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:45,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:19:45,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 02:19:45,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:19:45,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:19:45,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:45,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:19:45,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:19:45,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:45,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:19:45,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:19:45,324 WARN L860 $PredicateComparison]: unable to prove that (and (< c_main_~i~0 c_main_~num~0) (exists ((|v_#memory_int_22| (Array Int (Array Int Int))) (|v_main_#t~nondet5_15| Int)) (and (<= 0 (+ |v_main_#t~nondet5_15| 2147483648)) (<= |v_main_#t~nondet5_15| 2147483647) (= |c_#memory_int| (store |v_#memory_int_22| |c_main_~#array~0.base| (store (select |v_#memory_int_22| |c_main_~#array~0.base|) (+ (* c_main_~i~0 4) |c_main_~#array~0.offset|) |v_main_#t~nondet5_15|)))))) is different from true [2021-02-22 02:19:45,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:45,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:19:45,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:19:45,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:45,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:19:45,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:19:45,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:19:45,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:19:45,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:19:45,464 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_int_22| (Array Int (Array Int Int))) (|v_main_#t~nondet5_15| Int)) (and (<= 0 (+ |v_main_#t~nondet5_15| 2147483648)) (<= |v_main_#t~nondet5_15| 2147483647) (= |c_#memory_int| (store |v_#memory_int_22| |c_main_~#array~0.base| (store (select |v_#memory_int_22| |c_main_~#array~0.base|) (+ (* c_main_~i~0 4) |c_main_~#array~0.offset| (- 4)) |v_main_#t~nondet5_15|))))) (< c_main_~i~0 (+ c_main_~num~0 1))) is different from true [2021-02-22 02:19:45,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:19:45,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:19:45,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313402592] [2021-02-22 02:19:45,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:19:45,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-22 02:19:45,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091796414] [2021-02-22 02:19:45,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-22 02:19:45,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:19:45,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-22 02:19:45,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=180, Unknown=3, NotChecked=54, Total=272 [2021-02-22 02:19:45,469 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand 17 states. [2021-02-22 02:19:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:19:46,168 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2021-02-22 02:19:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-22 02:19:46,169 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 46 [2021-02-22 02:19:46,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:19:46,170 INFO L225 Difference]: With dead ends: 70 [2021-02-22 02:19:46,170 INFO L226 Difference]: Without dead ends: 0 [2021-02-22 02:19:46,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=476, Unknown=3, NotChecked=90, Total=650 [2021-02-22 02:19:46,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-22 02:19:46,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-22 02:19:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-22 02:19:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-22 02:19:46,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2021-02-22 02:19:46,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:19:46,173 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-22 02:19:46,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-22 02:19:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-22 02:19:46,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-22 02:19:46,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 02:19:46,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-22 02:19:46,880 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-22 02:19:46,880 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-22 02:19:46,881 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-22 02:19:46,881 INFO L189 CegarLoopUtils]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-02-22 02:19:46,881 INFO L189 CegarLoopUtils]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-02-22 02:19:46,881 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 02:19:46,881 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-22 02:19:46,881 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2021-02-22 02:19:46,881 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-22 02:19:46,881 INFO L192 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: true [2021-02-22 02:19:46,882 INFO L192 CegarLoopUtils]: At program point L12-2(line 12) the Hoare annotation is: true [2021-02-22 02:19:46,882 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)|)) [2021-02-22 02:19:46,882 INFO L192 CegarLoopUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2021-02-22 02:19:46,882 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-22 02:19:46,882 INFO L192 CegarLoopUtils]: At program point printOddENTRY(lines 18 20) the Hoare annotation is: true [2021-02-22 02:19:46,882 INFO L185 CegarLoopUtils]: At program point printOddFINAL(lines 18 20) the Hoare annotation is: (or (not (let ((.cse0 (+ |printOdd_#in~i| 1))) (<= .cse0 (* 2 (div .cse0 2))))) (not (= printOdd_~i (* (div printOdd_~i 2) 2)))) [2021-02-22 02:19:46,882 INFO L185 CegarLoopUtils]: At program point L19(line 19) the Hoare annotation is: (or (not (let ((.cse0 (+ |printOdd_#in~i| 1))) (<= .cse0 (* 2 (div .cse0 2))))) (not (= printOdd_~i (* (div printOdd_~i 2) 2)))) [2021-02-22 02:19:46,883 INFO L185 CegarLoopUtils]: At program point printOddEXIT(lines 18 20) the Hoare annotation is: (or (not (let ((.cse0 (+ |printOdd_#in~i| 1))) (<= .cse0 (* 2 (div .cse0 2))))) (not (= printOdd_~i (* (div printOdd_~i 2) 2)))) [2021-02-22 02:19:46,883 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-22 02:19:46,883 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 02:19:46,883 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-22 02:19:46,883 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-22 02:19:46,883 INFO L192 CegarLoopUtils]: At program point L39-6(lines 39 45) the Hoare annotation is: true [2021-02-22 02:19:46,883 INFO L192 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: true [2021-02-22 02:19:46,883 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 21 47) the Hoare annotation is: true [2021-02-22 02:19:46,883 INFO L185 CegarLoopUtils]: At program point L27-3(lines 27 30) the Hoare annotation is: (and (< main_~i~0 main_~num~0) (exists ((|v_#memory_int_22| (Array Int (Array Int Int))) (|v_main_#t~nondet5_15| Int)) (and (<= 0 (+ |v_main_#t~nondet5_15| 2147483648)) (<= |v_main_#t~nondet5_15| 2147483647) (= |#memory_int| (store |v_#memory_int_22| |main_~#array~0.base| (store (select |v_#memory_int_22| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|) |v_main_#t~nondet5_15|)))))) [2021-02-22 02:19:46,884 INFO L192 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: true [2021-02-22 02:19:46,884 INFO L185 CegarLoopUtils]: At program point L27-4(line 27) the Hoare annotation is: (and (= |main_#t~post4| main_~i~0) (< main_~i~0 main_~num~0) (exists ((|v_#memory_int_22| (Array Int (Array Int Int))) (|v_main_#t~nondet5_15| Int)) (and (<= 0 (+ |v_main_#t~nondet5_15| 2147483648)) (<= |v_main_#t~nondet5_15| 2147483647) (= |#memory_int| (store |v_#memory_int_22| |main_~#array~0.base| (store (select |v_#memory_int_22| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|) |v_main_#t~nondet5_15|)))))) [2021-02-22 02:19:46,884 INFO L185 CegarLoopUtils]: At program point L27-5(line 27) the Hoare annotation is: (and (< |main_#t~post4| main_~num~0) (= main_~i~0 (+ |main_#t~post4| 1)) (exists ((|v_main_#t~nondet5_9| Int) (|v_#memory_int_16| (Array Int (Array Int Int)))) (and (= |#memory_int| (store |v_#memory_int_16| |main_~#array~0.base| (store (select |v_#memory_int_16| |main_~#array~0.base|) (+ (* |main_#t~post4| 4) |main_~#array~0.offset|) |v_main_#t~nondet5_9|))) (<= |v_main_#t~nondet5_9| 2147483647) (<= 0 (+ |v_main_#t~nondet5_9| 2147483648))))) [2021-02-22 02:19:46,884 INFO L192 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: true [2021-02-22 02:19:46,884 INFO L185 CegarLoopUtils]: At program point L27-6(lines 27 30) the Hoare annotation is: (or (= main_~i~0 0) (and (< main_~i~0 (+ main_~num~0 1)) (exists ((|v_main_#t~nondet5_9| Int) (|v_#memory_int_16| (Array Int (Array Int Int)))) (and (= |#memory_int| (store |v_#memory_int_16| |main_~#array~0.base| (store (select |v_#memory_int_16| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset| (- 4)) |v_main_#t~nondet5_9|))) (<= |v_main_#t~nondet5_9| 2147483647) (<= 0 (+ |v_main_#t~nondet5_9| 2147483648)))))) [2021-02-22 02:19:46,885 INFO L192 CegarLoopUtils]: At program point L23-2(line 23) the Hoare annotation is: true [2021-02-22 02:19:46,885 INFO L192 CegarLoopUtils]: At program point L27-7(lines 27 30) the Hoare annotation is: true [2021-02-22 02:19:46,885 INFO L185 CegarLoopUtils]: At program point L36(line 36) the Hoare annotation is: (and (< main_~i~0 main_~num~0) (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)))) (<= .cse0 (* 2 (div .cse0 2))))) [2021-02-22 02:19:46,885 INFO L185 CegarLoopUtils]: At program point L36-1(line 36) the Hoare annotation is: (and (<= |main_#t~mem8| (* 2 (div |main_#t~mem8| 2))) (< main_~i~0 main_~num~0) (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)))) (<= .cse0 (* 2 (div .cse0 2))))) [2021-02-22 02:19:46,885 INFO L185 CegarLoopUtils]: At program point L36-2(line 36) the Hoare annotation is: (and (<= |main_#t~mem8| (* 2 (div |main_#t~mem8| 2))) (< main_~i~0 main_~num~0) (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)))) (<= .cse0 (* 2 (div .cse0 2))))) [2021-02-22 02:19:46,885 INFO L185 CegarLoopUtils]: At program point L32-2(lines 32 38) the Hoare annotation is: (< main_~i~0 main_~num~0) [2021-02-22 02:19:46,886 INFO L185 CegarLoopUtils]: At program point L32-3(line 32) the Hoare annotation is: (< main_~i~0 main_~num~0) [2021-02-22 02:19:46,886 INFO L192 CegarLoopUtils]: At program point L32-4(line 32) the Hoare annotation is: true [2021-02-22 02:19:46,886 INFO L192 CegarLoopUtils]: At program point L32-5(lines 32 38) the Hoare annotation is: true [2021-02-22 02:19:46,886 INFO L192 CegarLoopUtils]: At program point L32-6(lines 32 38) the Hoare annotation is: true [2021-02-22 02:19:46,886 INFO L185 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: (< main_~i~0 main_~num~0) [2021-02-22 02:19:46,886 INFO L185 CegarLoopUtils]: At program point L41-1(lines 41 44) the Hoare annotation is: (and (< main_~i~0 main_~num~0) (= |main_#t~mem10| (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)))) [2021-02-22 02:19:46,887 INFO L185 CegarLoopUtils]: At program point L41-2(line 41) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)))) (and (let ((.cse0 (+ .cse1 1))) (<= .cse0 (* 2 (div .cse0 2)))) (< main_~i~0 main_~num~0) (= |main_#t~mem10| .cse1))) [2021-02-22 02:19:46,887 INFO L185 CegarLoopUtils]: At program point L41-4(line 41) the Hoare annotation is: (and (< main_~i~0 main_~num~0) (= |main_#t~mem10| (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)))) [2021-02-22 02:19:46,887 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (< main_~i~0 main_~num~0) [2021-02-22 02:19:46,887 INFO L185 CegarLoopUtils]: At program point L29-1(line 29) the Hoare annotation is: (and (<= 0 (+ |main_#t~nondet5| 2147483648)) (<= |main_#t~nondet5| 2147483647) (< main_~i~0 main_~num~0)) [2021-02-22 02:19:46,887 INFO L185 CegarLoopUtils]: At program point L29-2(line 29) the Hoare annotation is: (and (<= 0 (+ |main_#t~nondet5| 2147483648)) (exists ((|v_#memory_int_22| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_22| |main_~#array~0.base| (store (select |v_#memory_int_22| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|) |main_#t~nondet5|)))) (<= |main_#t~nondet5| 2147483647) (< main_~i~0 main_~num~0)) [2021-02-22 02:19:46,887 INFO L192 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: true [2021-02-22 02:19:46,888 INFO L192 CegarLoopUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2021-02-22 02:19:46,888 INFO L192 CegarLoopUtils]: At program point L25-2(line 25) the Hoare annotation is: true [2021-02-22 02:19:46,888 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 21 47) the Hoare annotation is: true [2021-02-22 02:19:46,888 INFO L185 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: (< main_~i~0 main_~num~0) [2021-02-22 02:19:46,888 INFO L185 CegarLoopUtils]: At program point L34-1(lines 34 37) the Hoare annotation is: (and (or (= (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)) |main_#t~mem7|) (not (= (* 2 (div |main_#t~mem7| 2)) |main_#t~mem7|))) (< main_~i~0 main_~num~0)) [2021-02-22 02:19:46,889 INFO L185 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)))) (and (or (= .cse0 |main_#t~mem7|) (not (= (* 2 (div |main_#t~mem7| 2)) |main_#t~mem7|))) (< main_~i~0 main_~num~0) (<= .cse0 (* 2 (div .cse0 2))))) [2021-02-22 02:19:46,889 INFO L185 CegarLoopUtils]: At program point L34-4(line 34) the Hoare annotation is: (and (or (= (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)) |main_#t~mem7|) (not (= (* 2 (div |main_#t~mem7| 2)) |main_#t~mem7|))) (< main_~i~0 main_~num~0)) [2021-02-22 02:19:46,889 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 21 47) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-22 02:19:46,889 INFO L185 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: (and (let ((.cse0 (+ (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)) 1))) (<= .cse0 (* 2 (div .cse0 2)))) (< main_~i~0 main_~num~0)) [2021-02-22 02:19:46,889 INFO L185 CegarLoopUtils]: At program point L43-1(line 43) the Hoare annotation is: (and (let ((.cse0 (+ (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)) 1))) (<= .cse0 (* 2 (div .cse0 2)))) (let ((.cse1 (+ |main_#t~mem11| 1))) (<= .cse1 (* 2 (div .cse1 2)))) (< main_~i~0 main_~num~0)) [2021-02-22 02:19:46,890 INFO L185 CegarLoopUtils]: At program point L43-2(line 43) the Hoare annotation is: (and (let ((.cse0 (+ (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)) 1))) (<= .cse0 (* 2 (div .cse0 2)))) (let ((.cse1 (+ |main_#t~mem11| 1))) (<= .cse1 (* 2 (div .cse1 2)))) (< main_~i~0 main_~num~0)) [2021-02-22 02:19:46,890 INFO L185 CegarLoopUtils]: At program point L39-2(lines 39 45) the Hoare annotation is: (< main_~i~0 main_~num~0) [2021-02-22 02:19:46,891 INFO L185 CegarLoopUtils]: At program point L39-3(line 39) the Hoare annotation is: (< main_~i~0 main_~num~0) [2021-02-22 02:19:46,891 INFO L192 CegarLoopUtils]: At program point L39-4(line 39) the Hoare annotation is: true [2021-02-22 02:19:46,891 INFO L192 CegarLoopUtils]: At program point L39-5(lines 39 45) the Hoare annotation is: true [2021-02-22 02:19:46,892 INFO L185 CegarLoopUtils]: At program point L16(line 16) the Hoare annotation is: (or (<= printEven_~i (* 2 (div printEven_~i 2))) (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2))))) [2021-02-22 02:19:46,892 INFO L185 CegarLoopUtils]: At program point printEvenEXIT(lines 15 17) the Hoare annotation is: (or (<= printEven_~i (* 2 (div printEven_~i 2))) (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2))))) [2021-02-22 02:19:46,892 INFO L192 CegarLoopUtils]: At program point printEvenENTRY(lines 15 17) the Hoare annotation is: true [2021-02-22 02:19:46,892 INFO L185 CegarLoopUtils]: At program point printEvenFINAL(lines 15 17) the Hoare annotation is: (or (<= printEven_~i (* 2 (div printEven_~i 2))) (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2))))) [2021-02-22 02:19:46,892 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(line 14) the Hoare annotation is: true [2021-02-22 02:19:46,892 INFO L185 CegarLoopUtils]: At program point L14(line 14) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-22 02:19:46,893 INFO L185 CegarLoopUtils]: At program point L14-1(line 14) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-22 02:19:46,893 INFO L185 CegarLoopUtils]: At program point L14-2(line 14) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-22 02:19:46,893 INFO L185 CegarLoopUtils]: At program point L14-4(line 14) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-22 02:19:46,893 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(line 14) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-22 02:19:46,893 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-22 02:19:46,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] [2021-02-22 02:19:46,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] [2021-02-22 02:19:46,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] [2021-02-22 02:19:46,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] [2021-02-22 02:19:46,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:19:46 BoogieIcfgContainer [2021-02-22 02:19:46,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:19:46,919 INFO L168 Benchmark]: Toolchain (without parser) took 6486.20 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 126.9 MB in the beginning and 100.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 101.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:19:46,920 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:19:46,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.91 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 116.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:19:46,921 INFO L168 Benchmark]: Boogie Preprocessor took 45.93 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:19:46,922 INFO L168 Benchmark]: RCFGBuilder took 789.66 ms. Allocated memory is still 151.0 MB. Free memory was 114.5 MB in the beginning and 127.7 MB in the end (delta: -13.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:19:46,922 INFO L168 Benchmark]: TraceAbstraction took 5382.37 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 127.1 MB in the beginning and 100.2 MB in the end (delta: 26.9 MB). Peak memory consumption was 101.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:19:46,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 250.91 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 116.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.93 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 789.66 ms. Allocated memory is still 151.0 MB. Free memory was 114.5 MB in the beginning and 127.7 MB in the end (delta: -13.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5382.37 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 127.1 MB in the beginning and 100.2 MB in the end (delta: 26.9 MB). Peak memory consumption was 101.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: 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: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant [2021-02-22 02:19:46,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] [2021-02-22 02:19:46,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] [2021-02-22 02:19:46,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] [2021-02-22 02:19:46,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_16,QUANTIFIED] [2021-02-22 02:19:46,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] [2021-02-22 02:19:46,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~nondet5_9,QUANTIFIED] Derived loop invariant: i == 0 || (i < num + 1 && (\exists v_main_#t~nondet5_9 : int, v_#memory_int_16 : [int,int]int :: (unknown-#memory_int-unknown == v_#memory_int_16[array := v_#memory_int_16[array][i * 4 + array + -4 := v_main_#t~nondet5_9]] && v_main_#t~nondet5_9 <= 2147483647) && 0 <= v_main_#t~nondet5_9 + 2147483648)) - ProcedureContractResult [Line: 18]: Procedure Contract for printOdd Derived contract for procedure printOdd: !(\old(i) + 1 <= 2 * ((\old(i) + 1) / 2)) || !(i == i / 2 * 2) - ProcedureContractResult [Line: 15]: Procedure Contract for printEven Derived contract for procedure printEven: i <= 2 * (i / 2) || !(\old(i) <= 2 * (\old(i) / 2)) - ProcedureContractResult [Line: 21]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 158 SDtfs, 140 SDslu, 771 SDs, 0 SdLazy, 842 SolverSat, 46 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 99 PreInvPairs, 151 NumberOfFragments, 776 HoareAnnotationTreeSize, 99 FomulaSimplifications, 128 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 70 FomulaSimplificationsInter, 546 FormulaSimplificationTreeSizeReductionInter, 0.5s 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...