/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-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:49:51,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:49:51,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:49:51,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:49:51,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:49:51,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:49:51,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:49:51,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:49:51,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:49:51,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:49:51,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:49:51,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:49:51,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:49:51,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:49:51,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:49:51,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:49:51,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:49:52,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:49:52,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:49:52,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:49:52,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:49:52,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:49:52,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:49:52,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:49:52,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:49:52,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:49:52,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:49:52,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:49:52,065 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 04:49:52,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:49:52,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:49:52,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:49:52,097 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:49:52,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:49:52,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:49:52,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:49:52,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:49:52,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:49:52,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:49:52,101 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:49:52,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:49:52,101 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:49:52,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:49:52,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:49:52,103 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:49:52,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:49:52,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:49:52,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:49:52,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:49:52,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:49:52,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:49:52,105 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:49:52,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:49:52,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:49:52,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:49:52,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:49:52,699 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:49:52,700 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:49:52,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2021-02-24 04:49:52,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d71df6d4c/b69e654e18b745749f9c850dba59b26e/FLAG0338c4ad2 [2021-02-24 04:49:53,506 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:49:53,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2021-02-24 04:49:53,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d71df6d4c/b69e654e18b745749f9c850dba59b26e/FLAG0338c4ad2 [2021-02-24 04:49:53,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d71df6d4c/b69e654e18b745749f9c850dba59b26e [2021-02-24 04:49:53,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:49:53,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:49:53,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:49:53,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:49:53,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:49:53,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:49:53" (1/1) ... [2021-02-24 04:49:53,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@818c7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:53, skipping insertion in model container [2021-02-24 04:49:53,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:49:53" (1/1) ... [2021-02-24 04:49:53,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:49:53,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:49:54,075 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-industry-pattern/mod3.c.v+sep-reducer.c[2031,2044] [2021-02-24 04:49:54,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:49:54,097 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:49:54,122 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-industry-pattern/mod3.c.v+sep-reducer.c[2031,2044] [2021-02-24 04:49:54,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:49:54,161 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:49:54,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54 WrapperNode [2021-02-24 04:49:54,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:49:54,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:49:54,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:49:54,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:49:54,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (1/1) ... [2021-02-24 04:49:54,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (1/1) ... [2021-02-24 04:49:54,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (1/1) ... [2021-02-24 04:49:54,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (1/1) ... [2021-02-24 04:49:54,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (1/1) ... [2021-02-24 04:49:54,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (1/1) ... [2021-02-24 04:49:54,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (1/1) ... [2021-02-24 04:49:54,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:49:54,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:49:54,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:49:54,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:49:54,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (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 04:49:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:49:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:49:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:49:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:49:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:49:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:49:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:49:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:49:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:49:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 04:49:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:49:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:49:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:49:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:49:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:49:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:49:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:49:54,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:49:54,790 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-24 04:49:54,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:49:54 BoogieIcfgContainer [2021-02-24 04:49:54,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:49:54,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:49:54,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:49:54,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:49:54,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:49:53" (1/3) ... [2021-02-24 04:49:54,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe7b782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:49:54, skipping insertion in model container [2021-02-24 04:49:54,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:49:54" (2/3) ... [2021-02-24 04:49:54,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe7b782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:49:54, skipping insertion in model container [2021-02-24 04:49:54,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:49:54" (3/3) ... [2021-02-24 04:49:54,809 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2021-02-24 04:49:54,819 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:49:54,826 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:49:54,857 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:49:54,907 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:49:54,907 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:49:54,907 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:49:54,908 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:49:54,912 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:49:54,912 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:49:54,913 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:49:54,913 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:49:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2021-02-24 04:49:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-24 04:49:54,996 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:49:54,998 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] [2021-02-24 04:49:55,001 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:49:55,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:49:55,010 INFO L82 PathProgramCache]: Analyzing trace with hash 2133944519, now seen corresponding path program 1 times [2021-02-24 04:49:55,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:49:55,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124639801] [2021-02-24 04:49:55,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:49:55,111 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:49:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:49:55,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:55,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:49:55,645 WARN L141 QuantifierPusher]: treesize reduction 61, result has 73.7 percent of original size [2021-02-24 04:49:55,652 WARN L147 QuantifierPusher]: treesize reduction 61, result has 73.7 percent of original size 171 [2021-02-24 04:49:55,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:55,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-02-24 04:49:55,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:55,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:49:55,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:55,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:49:55,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:55,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:49:55,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:49:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:49:55,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:55,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:49:56,000 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 04:49:56,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124639801] [2021-02-24 04:49:56,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:49:56,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 04:49:56,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822995643] [2021-02-24 04:49:56,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 04:49:56,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:49:56,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 04:49:56,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:49:56,031 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 7 states. [2021-02-24 04:49:57,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:49:57,325 INFO L93 Difference]: Finished difference Result 227 states and 255 transitions. [2021-02-24 04:49:57,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-24 04:49:57,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2021-02-24 04:49:57,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:49:57,339 INFO L225 Difference]: With dead ends: 227 [2021-02-24 04:49:57,340 INFO L226 Difference]: Without dead ends: 126 [2021-02-24 04:49:57,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-24 04:49:57,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-02-24 04:49:57,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 95. [2021-02-24 04:49:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2021-02-24 04:49:57,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 101 transitions. [2021-02-24 04:49:57,405 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 101 transitions. Word has length 44 [2021-02-24 04:49:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:49:57,406 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 101 transitions. [2021-02-24 04:49:57,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 04:49:57,406 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2021-02-24 04:49:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-02-24 04:49:57,409 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:49:57,409 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] [2021-02-24 04:49:57,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:49:57,410 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:49:57,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:49:57,411 INFO L82 PathProgramCache]: Analyzing trace with hash -463732416, now seen corresponding path program 1 times [2021-02-24 04:49:57,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:49:57,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183202545] [2021-02-24 04:49:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:49:57,416 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:49:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:49:57,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:57,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:49:57,689 WARN L141 QuantifierPusher]: treesize reduction 1, result has 99.2 percent of original size [2021-02-24 04:49:57,692 WARN L147 QuantifierPusher]: treesize reduction 1, result has 99.2 percent of original size 121 [2021-02-24 04:49:57,706 WARN L141 QuantifierPusher]: treesize reduction 36, result has 77.4 percent of original size [2021-02-24 04:49:57,710 WARN L147 QuantifierPusher]: treesize reduction 36, result has 77.4 percent of original size 123 [2021-02-24 04:49:57,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:57,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-02-24 04:49:57,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:57,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:49:57,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:57,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:49:57,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:57,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:49:57,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:49:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:49:57,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:49:57,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:49:57,910 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 04:49:57,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183202545] [2021-02-24 04:49:57,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:49:57,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 04:49:57,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934172577] [2021-02-24 04:49:57,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 04:49:57,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:49:57,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 04:49:57,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:49:57,918 INFO L87 Difference]: Start difference. First operand 95 states and 101 transitions. Second operand 7 states. [2021-02-24 04:49:58,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:49:58,545 INFO L93 Difference]: Finished difference Result 191 states and 208 transitions. [2021-02-24 04:49:58,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-24 04:49:58,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2021-02-24 04:49:58,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:49:58,546 INFO L225 Difference]: With dead ends: 191 [2021-02-24 04:49:58,546 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 04:49:58,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-24 04:49:58,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 04:49:58,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 04:49:58,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 04:49:58,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 04:49:58,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-02-24 04:49:58,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:49:58,551 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 04:49:58,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 04:49:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 04:49:58,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 04:49:58,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:49:58,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 04:49:58,952 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-02-24 04:49:58,952 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-02-24 04:49:58,952 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-02-24 04:49:58,953 INFO L192 CegarLoopUtils]: At program point L4-3(line 4) the Hoare annotation is: true [2021-02-24 04:49:58,953 INFO L192 CegarLoopUtils]: At program point L4-4(line 4) the Hoare annotation is: true [2021-02-24 04:49:58,953 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:49:58,953 INFO L192 CegarLoopUtils]: At program point L4-5(line 4) the Hoare annotation is: true [2021-02-24 04:49:58,953 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-24 04:49:58,954 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-24 04:49:58,954 INFO L192 CegarLoopUtils]: At program point L14(line 14) the Hoare annotation is: true [2021-02-24 04:49:58,954 INFO L192 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: true [2021-02-24 04:49:58,955 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-24 04:49:58,955 INFO L192 CegarLoopUtils]: At program point L11(line 11) the Hoare annotation is: true [2021-02-24 04:49:58,955 INFO L192 CegarLoopUtils]: At program point L10(line 10) the Hoare annotation is: true [2021-02-24 04:49:58,955 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__return_65~0 |old(~__return_65~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|)) [2021-02-24 04:49:58,955 INFO L192 CegarLoopUtils]: At program point L9(line 9) the Hoare annotation is: true [2021-02-24 04:49:58,956 INFO L192 CegarLoopUtils]: At program point L8(line 8) the Hoare annotation is: true [2021-02-24 04:49:58,956 INFO L192 CegarLoopUtils]: At program point L4(line 4) the Hoare annotation is: true [2021-02-24 04:49:58,956 INFO L192 CegarLoopUtils]: At program point L4-1(line 4) the Hoare annotation is: true [2021-02-24 04:49:58,956 INFO L192 CegarLoopUtils]: At program point L4-2(line 4) the Hoare annotation is: true [2021-02-24 04:49:58,956 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:49:58,957 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:49:58,957 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:49:58,957 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-24 04:49:58,957 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-24 04:49:58,957 INFO L185 CegarLoopUtils]: At program point L93(line 93) the Hoare annotation is: (and (not (= main_~__tmp_1~0 0)) (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296)))))))) [2021-02-24 04:49:58,958 INFO L185 CegarLoopUtils]: At program point L60(line 60) the Hoare annotation is: false [2021-02-24 04:49:58,958 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,959 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 15 147) the Hoare annotation is: true [2021-02-24 04:49:58,960 INFO L185 CegarLoopUtils]: At program point L52(lines 24 141) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,960 INFO L192 CegarLoopUtils]: At program point L77(line 77) the Hoare annotation is: true [2021-02-24 04:49:58,961 INFO L185 CegarLoopUtils]: At program point L44(line 44) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,961 INFO L185 CegarLoopUtils]: At program point L44-1(line 44) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,961 INFO L185 CegarLoopUtils]: At program point L44-2(line 44) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,961 INFO L192 CegarLoopUtils]: At program point L135(lines 35 140) the Hoare annotation is: true [2021-02-24 04:49:58,962 INFO L185 CegarLoopUtils]: At program point L102(line 102) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2021-02-24 04:49:58,962 INFO L192 CegarLoopUtils]: At program point L69(line 69) the Hoare annotation is: true [2021-02-24 04:49:58,962 INFO L185 CegarLoopUtils]: At program point L94(line 94) the Hoare annotation is: (and (not (= main_~__tmp_1~0 0)) (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296)))))))) [2021-02-24 04:49:58,962 INFO L185 CegarLoopUtils]: At program point L61(lines 36 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,962 INFO L185 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,963 INFO L192 CegarLoopUtils]: At program point L119(line 119) the Hoare annotation is: true [2021-02-24 04:49:58,963 INFO L192 CegarLoopUtils]: At program point L78(line 78) the Hoare annotation is: true [2021-02-24 04:49:58,963 INFO L185 CegarLoopUtils]: At program point L45(lines 45 111) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,964 INFO L185 CegarLoopUtils]: At program point L103(line 103) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2021-02-24 04:49:58,964 INFO L192 CegarLoopUtils]: At program point L70(line 70) the Hoare annotation is: true [2021-02-24 04:49:58,964 INFO L185 CegarLoopUtils]: At program point L37(line 37) the Hoare annotation is: (<= (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 6148914689804861440 .cse0) (* 4294967295 .cse1) (* 6148914688373205674 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296)) 2863311530)))) (* 1431655765 main_~main__x~0)) [2021-02-24 04:49:58,965 INFO L185 CegarLoopUtils]: At program point L95(lines 95 104) the Hoare annotation is: (and (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296)))))))) [2021-02-24 04:49:58,965 INFO L192 CegarLoopUtils]: At program point L120(line 120) the Hoare annotation is: true [2021-02-24 04:49:58,965 INFO L192 CegarLoopUtils]: At program point L21(line 21) the Hoare annotation is: true [2021-02-24 04:49:58,965 INFO L192 CegarLoopUtils]: At program point L21-1(line 21) the Hoare annotation is: true [2021-02-24 04:49:58,965 INFO L192 CegarLoopUtils]: At program point L21-2(line 21) the Hoare annotation is: true [2021-02-24 04:49:58,965 INFO L192 CegarLoopUtils]: At program point L145(line 145) the Hoare annotation is: true [2021-02-24 04:49:58,966 INFO L192 CegarLoopUtils]: At program point L79(line 79) the Hoare annotation is: true [2021-02-24 04:49:58,966 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 15 147) the Hoare annotation is: true [2021-02-24 04:49:58,966 INFO L192 CegarLoopUtils]: At program point L137(line 137) the Hoare annotation is: true [2021-02-24 04:49:58,966 INFO L192 CegarLoopUtils]: At program point L71(line 71) the Hoare annotation is: true [2021-02-24 04:49:58,967 INFO L185 CegarLoopUtils]: At program point L38(line 38) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,967 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) the Hoare annotation is: false [2021-02-24 04:49:58,967 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 15 147) the Hoare annotation is: (and (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0)) [2021-02-24 04:49:58,967 INFO L192 CegarLoopUtils]: At program point L121(line 121) the Hoare annotation is: true [2021-02-24 04:49:58,968 INFO L185 CegarLoopUtils]: At program point L88(lines 88 110) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,968 INFO L192 CegarLoopUtils]: At program point L22(lines 22 146) the Hoare annotation is: true [2021-02-24 04:49:58,968 INFO L192 CegarLoopUtils]: At program point L80(line 80) the Hoare annotation is: true [2021-02-24 04:49:58,968 INFO L185 CegarLoopUtils]: At program point L47(lines 47 84) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,968 INFO L192 CegarLoopUtils]: At program point L138(lines 16 147) the Hoare annotation is: true [2021-02-24 04:49:58,968 INFO L192 CegarLoopUtils]: At program point L72(line 72) the Hoare annotation is: true [2021-02-24 04:49:58,969 INFO L185 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,969 INFO L185 CegarLoopUtils]: At program point L97(line 97) the Hoare annotation is: false [2021-02-24 04:49:58,969 INFO L192 CegarLoopUtils]: At program point L122(line 122) the Hoare annotation is: true [2021-02-24 04:49:58,969 INFO L185 CegarLoopUtils]: At program point L56(lines 56 83) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,969 INFO L192 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: true [2021-02-24 04:49:58,970 INFO L185 CegarLoopUtils]: At program point L98(line 98) the Hoare annotation is: false [2021-02-24 04:49:58,970 INFO L192 CegarLoopUtils]: At program point L65(line 65) the Hoare annotation is: true [2021-02-24 04:49:58,970 INFO L192 CegarLoopUtils]: At program point L123(lines 35 140) the Hoare annotation is: true [2021-02-24 04:49:58,970 INFO L192 CegarLoopUtils]: At program point L24(lines 24 141) the Hoare annotation is: true [2021-02-24 04:49:58,970 INFO L192 CegarLoopUtils]: At program point L115(line 115) the Hoare annotation is: true [2021-02-24 04:49:58,970 INFO L185 CegarLoopUtils]: At program point L49(line 49) the Hoare annotation is: false [2021-02-24 04:49:58,970 INFO L192 CegarLoopUtils]: At program point L132(line 132) the Hoare annotation is: true [2021-02-24 04:49:58,971 INFO L192 CegarLoopUtils]: At program point L66(line 66) the Hoare annotation is: true [2021-02-24 04:49:58,971 INFO L192 CegarLoopUtils]: At program point L66-1(line 66) the Hoare annotation is: true [2021-02-24 04:49:58,971 INFO L192 CegarLoopUtils]: At program point L66-2(line 66) the Hoare annotation is: true [2021-02-24 04:49:58,971 INFO L185 CegarLoopUtils]: At program point L91(line 91) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,971 INFO L185 CegarLoopUtils]: At program point L58(line 58) the Hoare annotation is: false [2021-02-24 04:49:58,972 INFO L192 CegarLoopUtils]: At program point L116(line 116) the Hoare annotation is: true [2021-02-24 04:49:58,972 INFO L192 CegarLoopUtils]: At program point L116-1(line 116) the Hoare annotation is: true [2021-02-24 04:49:58,972 INFO L185 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: false [2021-02-24 04:49:58,972 INFO L192 CegarLoopUtils]: At program point L116-2(line 116) the Hoare annotation is: true [2021-02-24 04:49:58,972 INFO L185 CegarLoopUtils]: At program point L42(lines 24 141) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,972 INFO L192 CegarLoopUtils]: At program point L133(line 133) the Hoare annotation is: true [2021-02-24 04:49:58,973 INFO L192 CegarLoopUtils]: At program point L67(lines 67 82) the Hoare annotation is: true [2021-02-24 04:49:58,973 INFO L192 CegarLoopUtils]: At program point L125(line 125) the Hoare annotation is: true [2021-02-24 04:49:58,973 INFO L185 CegarLoopUtils]: At program point L92(line 92) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-02-24 04:49:58,973 INFO L185 CegarLoopUtils]: At program point L59(line 59) the Hoare annotation is: false [2021-02-24 04:49:58,974 INFO L185 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse3 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse3 main_~main__x~0) 3))) (let ((.cse2 (div (+ .cse3 (* .cse1 (- 3)) main_~main__x~0) 4294967296))) (and (<= (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 .cse2) 1) main_~main__x~0) (<= (* 1431655765 main_~main__x~0) (+ (* 4294967296 .cse1) (* 6148914689804861440 .cse0) (* 6148914689804861440 .cse2) 1431655765))))))) [2021-02-24 04:49:58,974 INFO L192 CegarLoopUtils]: At program point L117(lines 117 139) the Hoare annotation is: true [2021-02-24 04:49:58,974 INFO L185 CegarLoopUtils]: At program point L51(line 51) the Hoare annotation is: false [2021-02-24 04:49:58,974 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0)) [2021-02-24 04:49:58,974 INFO L192 CegarLoopUtils]: At program point L109(line 109) the Hoare annotation is: true [2021-02-24 04:49:58,974 INFO L192 CegarLoopUtils]: At program point L134(line 134) the Hoare annotation is: true [2021-02-24 04:49:58,975 INFO L192 CegarLoopUtils]: At program point L35(lines 35 140) the Hoare annotation is: true [2021-02-24 04:49:58,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:49:58 BoogieIcfgContainer [2021-02-24 04:49:58,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:49:58,999 INFO L168 Benchmark]: Toolchain (without parser) took 5167.15 ms. Allocated memory was 162.5 MB in the beginning and 199.2 MB in the end (delta: 36.7 MB). Free memory was 145.8 MB in the beginning and 99.2 MB in the end (delta: 46.7 MB). Peak memory consumption was 83.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:49:59,000 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 162.5 MB. Free memory was 136.8 MB in the beginning and 136.8 MB in the end (delta: 69.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:49:59,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.97 ms. Allocated memory is still 162.5 MB. Free memory was 144.7 MB in the beginning and 134.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:49:59,002 INFO L168 Benchmark]: Boogie Preprocessor took 37.09 ms. Allocated memory is still 162.5 MB. Free memory was 134.5 MB in the beginning and 132.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:49:59,003 INFO L168 Benchmark]: RCFGBuilder took 592.23 ms. Allocated memory is still 162.5 MB. Free memory was 132.8 MB in the beginning and 124.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:49:59,004 INFO L168 Benchmark]: TraceAbstraction took 4200.59 ms. Allocated memory was 162.5 MB in the beginning and 199.2 MB in the end (delta: 36.7 MB). Free memory was 124.6 MB in the beginning and 99.2 MB in the end (delta: 25.5 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. [2021-02-24 04:49:59,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 162.5 MB. Free memory was 136.8 MB in the beginning and 136.8 MB in the end (delta: 69.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 309.97 ms. Allocated memory is still 162.5 MB. Free memory was 144.7 MB in the beginning and 134.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.09 ms. Allocated memory is still 162.5 MB. Free memory was 134.5 MB in the beginning and 132.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 592.23 ms. Allocated memory is still 162.5 MB. Free memory was 132.8 MB in the beginning and 124.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4200.59 ms. Allocated memory was 162.5 MB in the beginning and 199.2 MB in the end (delta: 36.7 MB). Free memory was 124.6 MB in the beginning and 99.2 MB in the end (delta: 25.5 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) - ProcedureContractResult [Line: 15]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 190 SDtfs, 96 SDslu, 497 SDs, 0 SdLazy, 504 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 97 LocationsWithAnnotation, 97 PreInvPairs, 206 NumberOfFragments, 1107 HoareAnnotationTreeSize, 97 FomulaSimplifications, 1402 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 97 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 0.2s 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...