./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/termination.prp --file ../../../trunk/examples/svcomp/termination-memory-alloca/a.10-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../../../trunk/examples/svcomp/termination-memory-alloca/a.10-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5993f8ca278f17db67b0d89d60473315dd1639b7ed95b3e55f223aad0ab4864f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 16:20:51,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 16:20:51,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-23 16:20:51,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 16:20:51,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 16:20:51,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 16:20:51,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 16:20:51,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 16:20:51,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 16:20:51,720 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 16:20:51,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 16:20:51,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 16:20:51,721 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 16:20:51,721 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 16:20:51,722 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 16:20:51,722 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 16:20:51,722 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 16:20:51,723 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 16:20:51,723 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 16:20:51,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 16:20:51,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 16:20:51,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 16:20:51,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 16:20:51,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 16:20:51,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 16:20:51,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 16:20:51,725 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 16:20:51,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 16:20:51,726 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 16:20:51,726 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 16:20:51,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 16:20:51,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 16:20:51,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 16:20:51,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 16:20:51,728 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 16:20:51,728 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5993f8ca278f17db67b0d89d60473315dd1639b7ed95b3e55f223aad0ab4864f [2023-11-23 16:20:51,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 16:20:51,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 16:20:51,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 16:20:51,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 16:20:51,976 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 16:20:51,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-memory-alloca/a.10-alloca.i [2023-11-23 16:20:53,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 16:20:53,297 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 16:20:53,297 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-memory-alloca/a.10-alloca.i [2023-11-23 16:20:53,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3ad1b4e/4bc685f6074442e0affd2a3d66fe1c14/FLAG324df4d52 [2023-11-23 16:20:53,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3ad1b4e/4bc685f6074442e0affd2a3d66fe1c14 [2023-11-23 16:20:53,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 16:20:53,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 16:20:53,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 16:20:53,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 16:20:53,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 16:20:53,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75dd6679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53, skipping insertion in model container [2023-11-23 16:20:53,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 16:20:53,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 16:20:53,548 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 16:20:53,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 16:20:53,607 INFO L206 MainTranslator]: Completed translation [2023-11-23 16:20:53,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53 WrapperNode [2023-11-23 16:20:53,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 16:20:53,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 16:20:53,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 16:20:53,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 16:20:53,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,640 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-23 16:20:53,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 16:20:53,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 16:20:53,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 16:20:53,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 16:20:53,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,667 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 5 writes are split as follows [1, 2, 2]. [2023-11-23 16:20:53,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 16:20:53,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 16:20:53,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 16:20:53,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 16:20:53,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (1/1) ... [2023-11-23 16:20:53,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:53,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:53,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:53,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 16:20:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 16:20:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 16:20:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 16:20:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 16:20:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 16:20:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 16:20:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 16:20:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 16:20:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 16:20:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 16:20:53,810 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 16:20:53,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 16:20:53,956 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 16:20:53,964 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 16:20:53,965 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 16:20:53,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:53 BoogieIcfgContainer [2023-11-23 16:20:53,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 16:20:53,983 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 16:20:53,983 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 16:20:53,986 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 16:20:53,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 16:20:53,987 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 04:20:53" (1/3) ... [2023-11-23 16:20:53,988 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41cf54de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 04:20:53, skipping insertion in model container [2023-11-23 16:20:53,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 16:20:53,988 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:53" (2/3) ... [2023-11-23 16:20:53,989 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41cf54de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 04:20:53, skipping insertion in model container [2023-11-23 16:20:53,989 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 16:20:53,989 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:53" (3/3) ... [2023-11-23 16:20:53,990 INFO L332 chiAutomizerObserver]: Analyzing ICFG a.10-alloca.i [2023-11-23 16:20:54,041 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 16:20:54,041 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 16:20:54,041 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 16:20:54,041 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 16:20:54,041 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 16:20:54,042 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 16:20:54,042 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 16:20:54,042 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 16:20:54,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:54,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 16:20:54,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 16:20:54,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 16:20:54,066 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-23 16:20:54,066 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 16:20:54,067 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-23 16:20:54,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:54,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 16:20:54,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 16:20:54,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 16:20:54,069 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-23 16:20:54,070 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 16:20:54,076 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~ret14#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet12#1, main_#t~nondet13#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem11#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 7#L556-2true [2023-11-23 16:20:54,077 INFO L750 eck$LassoCheckResult]: Loop: 7#L556-2true call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 10#L555-1true assume !!!(test_fun_#t~mem5#1 == test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 5#L556true assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;call test_fun_#t~mem10#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem10#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 7#L556-2true [2023-11-23 16:20:54,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:54,085 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-23 16:20:54,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:54,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568167090] [2023-11-23 16:20:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:54,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:54,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:54,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:54,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:54,275 INFO L85 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 1 times [2023-11-23 16:20:54,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:54,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628793597] [2023-11-23 16:20:54,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:54,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:54,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:54,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:54,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:54,317 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-11-23 16:20:54,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:54,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172134240] [2023-11-23 16:20:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:54,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:54,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:54,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:54,987 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 16:20:54,988 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 16:20:54,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 16:20:54,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 16:20:54,988 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 16:20:54,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:54,989 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 16:20:54,989 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 16:20:54,989 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.10-alloca.i_Iteration1_Lasso [2023-11-23 16:20:54,989 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 16:20:54,989 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 16:20:55,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:55,819 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 16:20:55,823 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 16:20:55,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:55,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:55,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:55,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-23 16:20:55,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:55,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:55,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 16:20:55,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:55,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:55,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:55,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 16:20:55,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 16:20:55,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:55,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:55,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:55,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:55,899 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:55,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-23 16:20:55,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:55,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:55,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 16:20:55,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:55,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:55,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:55,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 16:20:55,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 16:20:55,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:55,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-23 16:20:55,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:55,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:55,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:55,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-23 16:20:55,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:56,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:56,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:56,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-23 16:20:56,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 16:20:56,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 16:20:56,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 16:20:56,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-23 16:20:56,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-23 16:20:56,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:56,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:56,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:56,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,110 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 16:20:56,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 16:20:56,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 16:20:56,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-23 16:20:56,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-23 16:20:56,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,158 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 16:20:56,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 16:20:56,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 16:20:56,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-23 16:20:56,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:56,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,188 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-23 16:20:56,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 16:20:56,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 16:20:56,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 16:20:56,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:56,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,209 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-23 16:20:56,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 16:20:56,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 16:20:56,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 16:20:56,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:56,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,240 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-23 16:20:56,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:56,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:56,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:56,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,281 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-23 16:20:56,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 16:20:56,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 16:20:56,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 16:20:56,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:56,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-23 16:20:56,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,309 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:56,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:56,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:56,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:56,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:56,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:56,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:56,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-23 16:20:56,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 16:20:56,359 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-23 16:20:56,359 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-23 16:20:56,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:56,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:56,397 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:56,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-23 16:20:56,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 16:20:56,457 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 16:20:56,457 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 16:20:56,457 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1, v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = -1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 + 1*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 Supporting invariants [] [2023-11-23 16:20:56,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-23 16:20:56,535 INFO L156 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2023-11-23 16:20:56,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-23 16:20:56,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-23 16:20:56,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:20:56,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 16:20:56,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:20:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:20:56,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 16:20:56,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:20:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 16:20:56,647 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-23 16:20:56,649 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:56,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 31 transitions. Complement of second has 10 states. [2023-11-23 16:20:56,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-23 16:20:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2023-11-23 16:20:56,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-23 16:20:56,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 16:20:56,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-23 16:20:56,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 16:20:56,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-23 16:20:56,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 16:20:56,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2023-11-23 16:20:56,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 16:20:56,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 11 states and 14 transitions. [2023-11-23 16:20:56,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-23 16:20:56,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-23 16:20:56,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2023-11-23 16:20:56,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 16:20:56,711 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-23 16:20:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2023-11-23 16:20:56,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-23 16:20:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-11-23 16:20:56,730 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-23 16:20:56,730 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-23 16:20:56,731 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-23 16:20:56,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2023-11-23 16:20:56,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 16:20:56,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 16:20:56,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 16:20:56,732 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-23 16:20:56,732 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 16:20:56,732 INFO L748 eck$LassoCheckResult]: Stem: 172#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 173#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~ret14#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet12#1, main_#t~nondet13#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem11#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 174#L556-2 call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 171#L555-1 assume !!!(test_fun_#t~mem5#1 == test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 165#L556 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem9#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 166#L556-2 [2023-11-23 16:20:56,732 INFO L750 eck$LassoCheckResult]: Loop: 166#L556-2 call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 169#L555-1 assume !!!(test_fun_#t~mem5#1 == test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 175#L556 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;call test_fun_#t~mem10#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem10#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 166#L556-2 [2023-11-23 16:20:56,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:56,733 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2023-11-23 16:20:56,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:56,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210677163] [2023-11-23 16:20:56,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:56,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:56,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:56,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:56,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:56,768 INFO L85 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 2 times [2023-11-23 16:20:56,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:56,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868942831] [2023-11-23 16:20:56,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:56,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:56,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:56,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:56,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:56,780 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2023-11-23 16:20:56,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:56,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997208981] [2023-11-23 16:20:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:56,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:20:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 16:20:57,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:20:57,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997208981] [2023-11-23 16:20:57,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997208981] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 16:20:57,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141294060] [2023-11-23 16:20:57,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:57,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:20:57,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:57,057 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 16:20:57,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 16:20:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:20:57,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 16:20:57,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:20:57,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2023-11-23 16:20:57,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-11-23 16:20:57,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-23 16:20:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 16:20:57,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 16:20:57,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-23 16:20:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 16:20:57,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141294060] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 16:20:57,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 16:20:57,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-23 16:20:57,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463868612] [2023-11-23 16:20:57,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 16:20:57,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:20:57,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 16:20:57,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-23 16:20:57,391 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:57,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:20:57,458 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2023-11-23 16:20:57,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2023-11-23 16:20:57,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 16:20:57,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2023-11-23 16:20:57,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-23 16:20:57,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-23 16:20:57,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2023-11-23 16:20:57,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 16:20:57,461 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2023-11-23 16:20:57,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2023-11-23 16:20:57,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2023-11-23 16:20:57,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2023-11-23 16:20:57,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-23 16:20:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 16:20:57,464 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-23 16:20:57,464 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-23 16:20:57,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2023-11-23 16:20:57,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 16:20:57,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 16:20:57,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 16:20:57,466 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-23 16:20:57,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 16:20:57,466 INFO L748 eck$LassoCheckResult]: Stem: 254#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~ret14#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet12#1, main_#t~nondet13#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem11#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 256#L556-2 call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 252#L555-1 [2023-11-23 16:20:57,466 INFO L750 eck$LassoCheckResult]: Loop: 252#L555-1 assume !!!(test_fun_#t~mem5#1 == test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 248#L556 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem9#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 249#L556-2 call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 252#L555-1 [2023-11-23 16:20:57,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:57,467 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-23 16:20:57,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:57,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704058257] [2023-11-23 16:20:57,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:57,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:57,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:57,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:57,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:57,511 INFO L85 PathProgramCache]: Analyzing trace with hash 41795, now seen corresponding path program 1 times [2023-11-23 16:20:57,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:57,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102868568] [2023-11-23 16:20:57,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:57,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:57,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:57,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:57,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:57,532 INFO L85 PathProgramCache]: Analyzing trace with hash 889571264, now seen corresponding path program 2 times [2023-11-23 16:20:57,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:57,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540772071] [2023-11-23 16:20:57,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:57,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:57,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:57,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:58,078 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 16:20:58,078 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 16:20:58,078 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 16:20:58,078 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 16:20:58,078 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 16:20:58,078 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:58,078 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 16:20:58,078 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 16:20:58,078 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.10-alloca.i_Iteration3_Lasso [2023-11-23 16:20:58,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 16:20:58,078 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 16:20:58,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 16:20:58,781 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 16:20:58,781 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 16:20:58,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:58,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:58,782 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:58,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-23 16:20:58,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:58,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:58,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:58,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:58,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:58,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:58,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:58,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:58,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:58,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:58,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:58,875 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:58,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-23 16:20:58,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:58,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:58,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:58,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:58,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:58,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:58,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:58,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:58,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:58,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:58,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:58,912 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:58,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-23 16:20:58,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:58,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:58,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:58,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:58,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:58,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:58,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:58,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:58,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:58,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:58,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:58,947 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:58,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:58,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:58,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:58,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:58,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:58,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:58,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:58,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-23 16:20:58,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:59,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-23 16:20:59,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:59,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:59,029 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:59,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:59,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-23 16:20:59,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:59,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:59,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 16:20:59,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:59,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 16:20:59,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 16:20:59,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 16:20:59,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:59,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:59,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:59,054 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:59,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 16:20:59,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 16:20:59,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 16:20:59,063 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-23 16:20:59,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 16:20:59,098 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-23 16:20:59,098 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-23 16:20:59,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-23 16:20:59,158 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 16:20:59,260 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-23 16:20:59,260 INFO L444 ModelExtractionUtils]: 40 out of 66 variables were initially zero. Simplification set additionally 23 variables to zero. [2023-11-23 16:20:59,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 16:20:59,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:59,263 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 16:20:59,265 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 16:20:59,272 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2023-11-23 16:20:59,272 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 16:20:59,272 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_2, v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1) = -1*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_2 + 1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1 Supporting invariants [] [2023-11-23 16:20:59,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-23 16:20:59,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-23 16:20:59,342 INFO L156 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2023-11-23 16:20:59,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~y_ref~0!base][0] could not be translated [2023-11-23 16:20:59,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x_ref~0!base][0] could not be translated [2023-11-23 16:20:59,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:20:59,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 16:20:59,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:20:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:20:59,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 16:20:59,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:20:59,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2023-11-23 16:20:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 16:20:59,484 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-23 16:20:59,484 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:59,530 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 21 transitions. Complement of second has 8 states. [2023-11-23 16:20:59,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-23 16:20:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2023-11-23 16:20:59,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-23 16:20:59,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 16:20:59,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-23 16:20:59,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 16:20:59,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-23 16:20:59,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 16:20:59,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2023-11-23 16:20:59,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 16:20:59,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 11 states and 12 transitions. [2023-11-23 16:20:59,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-23 16:20:59,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-23 16:20:59,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 12 transitions. [2023-11-23 16:20:59,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 16:20:59,537 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-11-23 16:20:59,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 12 transitions. [2023-11-23 16:20:59,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2023-11-23 16:20:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:20:59,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2023-11-23 16:20:59,538 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-23 16:20:59,538 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-23 16:20:59,538 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-23 16:20:59,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2023-11-23 16:20:59,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 16:20:59,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 16:20:59,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 16:20:59,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2023-11-23 16:20:59,540 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 16:20:59,540 INFO L748 eck$LassoCheckResult]: Stem: 400#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 401#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~ret14#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet12#1, main_#t~nondet13#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem11#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 397#L556-2 call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 398#L555-1 assume !!!(test_fun_#t~mem5#1 == test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 395#L556 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;call test_fun_#t~mem10#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem10#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 396#L556-2 call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 399#L555-1 [2023-11-23 16:20:59,547 INFO L750 eck$LassoCheckResult]: Loop: 399#L555-1 assume !!!(test_fun_#t~mem5#1 == test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 393#L556 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem9#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 394#L556-2 call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 399#L555-1 [2023-11-23 16:20:59,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash 889571326, now seen corresponding path program 2 times [2023-11-23 16:20:59,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:59,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890866493] [2023-11-23 16:20:59,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:59,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:59,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:59,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:59,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:59,595 INFO L85 PathProgramCache]: Analyzing trace with hash 41795, now seen corresponding path program 2 times [2023-11-23 16:20:59,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:59,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389670789] [2023-11-23 16:20:59,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:59,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:59,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 16:20:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 16:20:59,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 16:20:59,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:20:59,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1271168550, now seen corresponding path program 2 times [2023-11-23 16:20:59,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:20:59,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046257986] [2023-11-23 16:20:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:20:59,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:20:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:20:59,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 16:20:59,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:20:59,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046257986] [2023-11-23 16:20:59,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046257986] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 16:20:59,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628687223] [2023-11-23 16:20:59,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 16:20:59,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:20:59,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:20:59,784 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 16:20:59,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-23 16:20:59,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 16:20:59,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 16:20:59,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 16:20:59,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:20:59,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 25 [2023-11-23 16:20:59,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2023-11-23 16:20:59,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-23 16:20:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 16:20:59,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 16:20:59,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-23 16:21:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 16:21:00,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628687223] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 16:21:00,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 16:21:00,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2023-11-23 16:21:00,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441747427] [2023-11-23 16:21:00,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 16:21:00,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:21:00,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 16:21:00,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:21:00,079 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 16:21:00,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:21:00,115 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2023-11-23 16:21:00,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 10 transitions. [2023-11-23 16:21:00,116 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 16:21:00,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2023-11-23 16:21:00,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-23 16:21:00,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-23 16:21:00,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-23 16:21:00,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 16:21:00,116 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 16:21:00,117 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 16:21:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 16:21:00,117 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 16:21:00,117 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-23 16:21:00,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-23 16:21:00,118 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 16:21:00,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-23 16:21:00,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 04:21:00 BoogieIcfgContainer [2023-11-23 16:21:00,124 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 16:21:00,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 16:21:00,124 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 16:21:00,124 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 16:21:00,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:53" (3/4) ... [2023-11-23 16:21:00,126 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 16:21:00,127 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 16:21:00,128 INFO L158 Benchmark]: Toolchain (without parser) took 6810.38ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 97.9MB in the beginning and 206.6MB in the end (delta: -108.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-23 16:21:00,128 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 16:21:00,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.23ms. Allocated memory is still 155.2MB. Free memory was 97.4MB in the beginning and 81.6MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 16:21:00,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.92ms. Allocated memory is still 155.2MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 16:21:00,128 INFO L158 Benchmark]: Boogie Preprocessor took 32.79ms. Allocated memory is still 155.2MB. Free memory was 80.1MB in the beginning and 78.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 16:21:00,129 INFO L158 Benchmark]: RCFGBuilder took 291.58ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 78.0MB in the beginning and 179.5MB in the end (delta: -101.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-23 16:21:00,129 INFO L158 Benchmark]: BuchiAutomizer took 6141.01ms. Allocated memory was 211.8MB in the beginning and 268.4MB in the end (delta: 56.6MB). Free memory was 179.4MB in the beginning and 206.6MB in the end (delta: -27.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-23 16:21:00,129 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 268.4MB. Free memory is still 206.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 16:21:00,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.23ms. Allocated memory is still 155.2MB. Free memory was 97.4MB in the beginning and 81.6MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.92ms. Allocated memory is still 155.2MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.79ms. Allocated memory is still 155.2MB. Free memory was 80.1MB in the beginning and 78.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.58ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 78.0MB in the beginning and 179.5MB in the end (delta: -101.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6141.01ms. Allocated memory was 211.8MB in the beginning and 268.4MB in the end (delta: 56.6MB). Free memory was 179.4MB in the beginning and 206.6MB in the end (delta: -27.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 268.4MB. Free memory is still 206.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~y_ref~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x_ref~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 13 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital233 mio100 ax107 hnf100 lsp89 ukn75 mio100 lsp28 div100 bol100 ite100 ukn100 eq212 hnf88 smp94 dnf119 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 221ms VariablesStem: 12 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-23 16:21:00,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-23 16:21:00,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-23 16:21:00,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE