/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 06:48:15,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 06:48:15,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 06:48:15,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 06:48:15,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 06:48:15,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 06:48:15,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 06:48:15,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 06:48:15,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 06:48:15,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 06:48:15,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 06:48:15,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 06:48:15,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 06:48:15,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 06:48:15,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 06:48:15,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 06:48:15,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 06:48:15,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 06:48:15,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 06:48:15,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 06:48:15,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 06:48:15,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 06:48:15,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 06:48:15,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 06:48:15,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 06:48:15,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 06:48:15,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 06:48:15,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 06:48:15,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 06:48:15,692 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 06:48:15,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 06:48:15,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 06:48:15,695 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 06:48:15,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 06:48:15,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 06:48:15,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 06:48:15,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 06:48:15,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 06:48:15,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 06:48:15,696 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 06:48:15,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 06:48:15,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 06:48:15,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 06:48:15,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 06:48:15,697 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 06:48:15,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 06:48:15,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 06:48:15,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 06:48:15,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 06:48:15,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 06:48:15,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 06:48:15,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 06:48:16,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 06:48:16,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 06:48:16,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 06:48:16,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 06:48:16,195 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 06:48:16,197 INFO L432 ainManager$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 [2020-11-07 06:48:16,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ab72026/d1e7b6e230334553b42042c33870dfae/FLAG3996186a9 [2020-11-07 06:48:17,044 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 06:48:17,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-11-07 06:48:17,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ab72026/d1e7b6e230334553b42042c33870dfae/FLAG3996186a9 [2020-11-07 06:48:17,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ab72026/d1e7b6e230334553b42042c33870dfae [2020-11-07 06:48:17,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 06:48:17,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 06:48:17,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 06:48:17,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 06:48:17,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 06:48:17,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbc3478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17, skipping insertion in model container [2020-11-07 06:48:17,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 06:48:17,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 06:48:17,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 06:48:17,632 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 06:48:17,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 06:48:17,736 INFO L208 MainTranslator]: Completed translation [2020-11-07 06:48:17,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17 WrapperNode [2020-11-07 06:48:17,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 06:48:17,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 06:48:17,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 06:48:17,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 06:48:17,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (1/1) ... [2020-11-07 06:48:17,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 06:48:17,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 06:48:17,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 06:48:17,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 06:48:17,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (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 [2020-11-07 06:48:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 06:48:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 06:48:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 06:48:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 06:48:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 06:48:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 06:48:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 06:48:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 06:48:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 06:48:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-07 06:48:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 06:48:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 06:48:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 06:48:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 06:48:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 06:48:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 06:48:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 06:48:18,781 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 06:48:18,781 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 06:48:18,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:48:18 BoogieIcfgContainer [2020-11-07 06:48:18,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 06:48:18,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 06:48:18,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 06:48:18,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 06:48:18,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:48:17" (1/3) ... [2020-11-07 06:48:18,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c483c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:48:18, skipping insertion in model container [2020-11-07 06:48:18,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:48:17" (2/3) ... [2020-11-07 06:48:18,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c483c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:48:18, skipping insertion in model container [2020-11-07 06:48:18,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:48:18" (3/3) ... [2020-11-07 06:48:18,809 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2020-11-07 06:48:18,829 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 06:48:18,834 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 06:48:18,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 06:48:18,898 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 06:48:18,898 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 06:48:18,898 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 06:48:18,898 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 06:48:18,898 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 06:48:18,899 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 06:48:18,899 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 06:48:18,899 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 06:48:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2020-11-07 06:48:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-07 06:48:18,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:48:18,938 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] [2020-11-07 06:48:18,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:48:18,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:48:18,947 INFO L82 PathProgramCache]: Analyzing trace with hash 169427491, now seen corresponding path program 1 times [2020-11-07 06:48:18,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:48:18,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725050009] [2020-11-07 06:48:18,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:48:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:48:19,591 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-11-07 06:48:19,845 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-07 06:48:19,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:48:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:48:19,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 06:48:19,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725050009] [2020-11-07 06:48:19,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 06:48:19,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 06:48:19,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925498408] [2020-11-07 06:48:19,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 06:48:19,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:48:19,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 06:48:19,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:48:19,943 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 7 states. [2020-11-07 06:48:20,448 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-07 06:48:27,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:48:27,854 INFO L93 Difference]: Finished difference Result 232 states and 261 transitions. [2020-11-07 06:48:27,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-07 06:48:27,859 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2020-11-07 06:48:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:48:27,888 INFO L225 Difference]: With dead ends: 232 [2020-11-07 06:48:27,889 INFO L226 Difference]: Without dead ends: 128 [2020-11-07 06:48:27,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-07 06:48:27,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-11-07 06:48:27,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 97. [2020-11-07 06:48:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-07 06:48:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 103 transitions. [2020-11-07 06:48:28,001 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 103 transitions. Word has length 45 [2020-11-07 06:48:28,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:48:28,002 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 103 transitions. [2020-11-07 06:48:28,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 06:48:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2020-11-07 06:48:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-07 06:48:28,005 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:48:28,005 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] [2020-11-07 06:48:28,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 06:48:28,006 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:48:28,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:48:28,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1740114597, now seen corresponding path program 1 times [2020-11-07 06:48:28,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:48:28,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140243919] [2020-11-07 06:48:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:48:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:48:28,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:48:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:48:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 06:48:28,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140243919] [2020-11-07 06:48:28,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 06:48:28,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 06:48:28,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082708788] [2020-11-07 06:48:28,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 06:48:28,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:48:28,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 06:48:28,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:48:28,486 INFO L87 Difference]: Start difference. First operand 97 states and 103 transitions. Second operand 7 states. [2020-11-07 06:48:30,958 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-07 06:48:39,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:48:39,844 INFO L93 Difference]: Finished difference Result 193 states and 210 transitions. [2020-11-07 06:48:39,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-07 06:48:39,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-11-07 06:48:39,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:48:39,846 INFO L225 Difference]: With dead ends: 193 [2020-11-07 06:48:39,846 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 06:48:39,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-07 06:48:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 06:48:39,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 06:48:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 06:48:39,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 06:48:39,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2020-11-07 06:48:39,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:48:39,851 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 06:48:39,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 06:48:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 06:48:39,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 06:48:39,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 06:48:39,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 06:48:40,504 INFO L269 CegarLoopResult]: At program point reach_errorEXIT(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,505 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,505 INFO L269 CegarLoopResult]: At program point reach_errorFINAL(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,505 INFO L269 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,505 INFO L269 CegarLoopResult]: At program point L4-3(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,506 INFO L269 CegarLoopResult]: At program point L4-4(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,506 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 06:48:40,506 INFO L269 CegarLoopResult]: At program point L4-5(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,506 INFO L269 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-11-07 06:48:40,506 INFO L269 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-11-07 06:48:40,506 INFO L269 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-11-07 06:48:40,507 INFO L269 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-11-07 06:48:40,507 INFO L269 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-11-07 06:48:40,507 INFO L269 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-11-07 06:48:40,507 INFO L269 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-11-07 06:48:40,508 INFO L262 CegarLoopResult]: 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)|)) [2020-11-07 06:48:40,508 INFO L269 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-11-07 06:48:40,508 INFO L269 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-11-07 06:48:40,508 INFO L269 CegarLoopResult]: At program point L4(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,508 INFO L269 CegarLoopResult]: At program point L4-1(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,509 INFO L269 CegarLoopResult]: At program point L4-2(line 4) the Hoare annotation is: true [2020-11-07 06:48:40,509 INFO L269 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-11-07 06:48:40,509 INFO L269 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-11-07 06:48:40,509 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 06:48:40,509 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-07 06:48:40,509 INFO L269 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-11-07 06:48:40,510 INFO L262 CegarLoopResult]: 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)))))))) [2020-11-07 06:48:40,510 INFO L262 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: false [2020-11-07 06:48:40,510 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,510 INFO L269 CegarLoopResult]: At program point mainEXIT(lines 15 147) the Hoare annotation is: true [2020-11-07 06:48:40,510 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,511 INFO L269 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-11-07 06:48:40,511 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,511 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,511 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,512 INFO L269 CegarLoopResult]: At program point L135(lines 35 140) the Hoare annotation is: true [2020-11-07 06:48:40,512 INFO L262 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-11-07 06:48:40,512 INFO L269 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: true [2020-11-07 06:48:40,512 INFO L262 CegarLoopResult]: 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)))))))) [2020-11-07 06:48:40,513 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,513 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,513 INFO L269 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-11-07 06:48:40,513 INFO L269 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: true [2020-11-07 06:48:40,513 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,514 INFO L262 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-11-07 06:48:40,514 INFO L269 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: true [2020-11-07 06:48:40,514 INFO L262 CegarLoopResult]: 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)) [2020-11-07 06:48:40,514 INFO L262 CegarLoopResult]: 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)))))))) [2020-11-07 06:48:40,515 INFO L269 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: true [2020-11-07 06:48:40,515 INFO L269 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-11-07 06:48:40,515 INFO L269 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true [2020-11-07 06:48:40,515 INFO L269 CegarLoopResult]: At program point L21-2(line 21) the Hoare annotation is: true [2020-11-07 06:48:40,515 INFO L269 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: true [2020-11-07 06:48:40,515 INFO L269 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: true [2020-11-07 06:48:40,515 INFO L269 CegarLoopResult]: At program point mainFINAL(lines 15 147) the Hoare annotation is: true [2020-11-07 06:48:40,516 INFO L269 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: true [2020-11-07 06:48:40,516 INFO L269 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: true [2020-11-07 06:48:40,516 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,516 INFO L262 CegarLoopResult]: 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)) [2020-11-07 06:48:40,516 INFO L269 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: true [2020-11-07 06:48:40,517 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,517 INFO L269 CegarLoopResult]: At program point L22(lines 22 146) the Hoare annotation is: true [2020-11-07 06:48:40,517 INFO L269 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: true [2020-11-07 06:48:40,517 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,517 INFO L269 CegarLoopResult]: At program point L138(lines 16 147) the Hoare annotation is: true [2020-11-07 06:48:40,518 INFO L269 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: true [2020-11-07 06:48:40,518 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,518 INFO L262 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: false [2020-11-07 06:48:40,518 INFO L262 CegarLoopResult]: At program point L97-1(line 97) the Hoare annotation is: false [2020-11-07 06:48:40,518 INFO L269 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: true [2020-11-07 06:48:40,518 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,519 INFO L269 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: true [2020-11-07 06:48:40,519 INFO L269 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: true [2020-11-07 06:48:40,519 INFO L269 CegarLoopResult]: At program point L123(lines 35 140) the Hoare annotation is: true [2020-11-07 06:48:40,519 INFO L269 CegarLoopResult]: At program point L24(lines 24 141) the Hoare annotation is: true [2020-11-07 06:48:40,519 INFO L269 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: true [2020-11-07 06:48:40,519 INFO L262 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: false [2020-11-07 06:48:40,520 INFO L269 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: true [2020-11-07 06:48:40,520 INFO L269 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: true [2020-11-07 06:48:40,520 INFO L269 CegarLoopResult]: At program point L66-1(line 66) the Hoare annotation is: true [2020-11-07 06:48:40,520 INFO L269 CegarLoopResult]: At program point L66-2(line 66) the Hoare annotation is: true [2020-11-07 06:48:40,520 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,520 INFO L262 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: false [2020-11-07 06:48:40,521 INFO L269 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: true [2020-11-07 06:48:40,521 INFO L269 CegarLoopResult]: At program point L116-1(line 116) the Hoare annotation is: true [2020-11-07 06:48:40,521 INFO L262 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: false [2020-11-07 06:48:40,521 INFO L269 CegarLoopResult]: At program point L116-2(line 116) the Hoare annotation is: true [2020-11-07 06:48:40,521 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,521 INFO L269 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: true [2020-11-07 06:48:40,521 INFO L269 CegarLoopResult]: At program point L67(lines 67 82) the Hoare annotation is: true [2020-11-07 06:48:40,522 INFO L269 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: true [2020-11-07 06:48:40,522 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,522 INFO L262 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: false [2020-11-07 06:48:40,522 INFO L262 CegarLoopResult]: 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))))))) [2020-11-07 06:48:40,523 INFO L269 CegarLoopResult]: At program point L117(lines 117 139) the Hoare annotation is: true [2020-11-07 06:48:40,523 INFO L262 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: false [2020-11-07 06:48:40,523 INFO L262 CegarLoopResult]: 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)) [2020-11-07 06:48:40,523 INFO L269 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: true [2020-11-07 06:48:40,523 INFO L269 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-11-07 06:48:40,523 INFO L269 CegarLoopResult]: At program point L35(lines 35 140) the Hoare annotation is: true [2020-11-07 06:48:40,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:48:40 BoogieIcfgContainer [2020-11-07 06:48:40,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 06:48:40,550 INFO L168 Benchmark]: Toolchain (without parser) took 23213.99 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 130.7 MB in the beginning and 72.4 MB in the end (delta: 58.3 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. [2020-11-07 06:48:40,551 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 101.4 MB in the end (delta: 120.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 06:48:40,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.53 ms. Allocated memory is still 154.1 MB. Free memory was 130.0 MB in the beginning and 119.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-11-07 06:48:40,553 INFO L168 Benchmark]: Boogie Preprocessor took 49.87 ms. Allocated memory is still 154.1 MB. Free memory was 119.5 MB in the beginning and 118.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-07 06:48:40,555 INFO L168 Benchmark]: RCFGBuilder took 997.78 ms. Allocated memory is still 154.1 MB. Free memory was 118.0 MB in the beginning and 129.0 MB in the end (delta: -11.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. [2020-11-07 06:48:40,556 INFO L168 Benchmark]: TraceAbstraction took 21753.46 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 128.5 MB in the beginning and 72.4 MB in the end (delta: 56.1 MB). Peak memory consumption was 87.9 MB. Max. memory is 8.0 GB. [2020-11-07 06:48:40,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 101.4 MB in the end (delta: 120.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 392.53 ms. Allocated memory is still 154.1 MB. Free memory was 130.0 MB in the beginning and 119.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 49.87 ms. Allocated memory is still 154.1 MB. Free memory was 119.5 MB in the beginning and 118.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 997.78 ms. Allocated memory is still 154.1 MB. Free memory was 118.0 MB in the beginning and 129.0 MB in the end (delta: -11.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21753.46 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 128.5 MB in the beginning and 72.4 MB in the end (delta: 56.1 MB). Peak memory consumption was 87.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() 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: 4]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - 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: 20.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 191 SDtfs, 95 SDslu, 500 SDs, 0 SdLazy, 501 SolverSat, 11 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 100 LocationsWithAnnotation, 104 PreInvPairs, 213 NumberOfFragments, 1110 HoareAnnotationTreeSize, 104 FomulaSimplifications, 1402 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 100 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 54447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...