./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c --full-output --traceabstraction.positions.where.we.compute.the.hoare.annotation All --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 273a578a 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/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 --traceabstraction.positions.where.we.compute.the.hoare.annotation All --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.owicki-witnesses-273a578-m [2024-02-19 15:27:11,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-19 15:27:12,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-19 15:27:12,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-19 15:27:12,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-19 15:27:12,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-19 15:27:12,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-19 15:27:12,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-19 15:27:12,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-19 15:27:12,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-19 15:27:12,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-19 15:27:12,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-19 15:27:12,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-19 15:27:12,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-19 15:27:12,084 INFO L153 SettingsManager]: * Use SBE=true [2024-02-19 15:27:12,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-19 15:27:12,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-19 15:27:12,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-19 15:27:12,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-19 15:27:12,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-19 15:27:12,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-19 15:27:12,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-19 15:27:12,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-19 15:27:12,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-19 15:27:12,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-19 15:27:12,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-19 15:27:12,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-19 15:27:12,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-19 15:27:12,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-19 15:27:12,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-19 15:27:12,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-19 15:27:12,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-19 15:27:12,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-19 15:27:12,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-19 15:27:12,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-19 15:27:12,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-19 15:27:12,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-19 15:27:12,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-19 15:27:12,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-19 15:27:12,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-19 15:27:12,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-19 15:27:12,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-19 15:27:12,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-19 15:27:12,094 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All [2024-02-19 15:27:12,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-19 15:27:12,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-19 15:27:12,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-19 15:27:12,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-19 15:27:12,418 INFO L274 PluginConnector]: CDTParser initialized [2024-02-19 15:27:12,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c [2024-02-19 15:27:13,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-19 15:27:13,890 INFO L384 CDTParser]: Found 1 translation units. [2024-02-19 15:27:13,891 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c [2024-02-19 15:27:13,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a85412b/37d688fd29084edfb3319e4ad95e2dd1/FLAG20e22c077 [2024-02-19 15:27:13,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a85412b/37d688fd29084edfb3319e4ad95e2dd1 [2024-02-19 15:27:13,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-19 15:27:13,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-19 15:27:13,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-19 15:27:13,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-19 15:27:13,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-19 15:27:13,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 03:27:13" (1/1) ... [2024-02-19 15:27:13,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b89a411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:13, skipping insertion in model container [2024-02-19 15:27:13,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 03:27:13" (1/1) ... [2024-02-19 15:27:13,940 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-19 15:27:14,088 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c[1872,1885] [2024-02-19 15:27:14,094 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-19 15:27:14,104 INFO L202 MainTranslator]: Completed pre-run [2024-02-19 15:27:14,130 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c[1872,1885] [2024-02-19 15:27:14,139 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-19 15:27:14,159 INFO L206 MainTranslator]: Completed translation [2024-02-19 15:27:14,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14 WrapperNode [2024-02-19 15:27:14,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-19 15:27:14,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-19 15:27:14,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-19 15:27:14,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-19 15:27:14,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,204 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-02-19 15:27:14,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-19 15:27:14,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-19 15:27:14,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-19 15:27:14,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-19 15:27:14,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,257 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-19 15:27:14,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-19 15:27:14,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-19 15:27:14,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-19 15:27:14,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-19 15:27:14,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (1/1) ... [2024-02-19 15:27:14,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-19 15:27:14,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-19 15:27:14,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-19 15:27:14,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-19 15:27:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-19 15:27:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-19 15:27:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-19 15:27:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-19 15:27:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-19 15:27:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-19 15:27:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-19 15:27:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-19 15:27:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-19 15:27:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-19 15:27:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-19 15:27:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-19 15:27:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-19 15:27:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-19 15:27:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-19 15:27:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-19 15:27:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-19 15:27:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-19 15:27:14,383 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-19 15:27:14,495 INFO L244 CfgBuilder]: Building ICFG [2024-02-19 15:27:14,497 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-19 15:27:14,652 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-19 15:27:14,653 INFO L293 CfgBuilder]: Performing block encoding [2024-02-19 15:27:14,776 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-19 15:27:14,777 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-19 15:27:14,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:27:14 BoogieIcfgContainer [2024-02-19 15:27:14,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-19 15:27:14,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-19 15:27:14,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-19 15:27:14,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-19 15:27:14,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 03:27:13" (1/3) ... [2024-02-19 15:27:14,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e62edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:27:14, skipping insertion in model container [2024-02-19 15:27:14,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:27:14" (2/3) ... [2024-02-19 15:27:14,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e62edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:27:14, skipping insertion in model container [2024-02-19 15:27:14,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:27:14" (3/3) ... [2024-02-19 15:27:14,785 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2024-02-19 15:27:14,803 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-19 15:27:14,803 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-02-19 15:27:14,803 INFO L631 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-19 15:27:14,834 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-19 15:27:14,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 22 places, 15 transitions, 44 flow [2024-02-19 15:27:14,895 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-02-19 15:27:14,895 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-19 15:27:14,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 13 events. 0/13 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-19 15:27:14,897 INFO L82 GeneralOperation]: Start removeDead. Operand has 22 places, 15 transitions, 44 flow [2024-02-19 15:27:14,899 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 12 transitions, 36 flow [2024-02-19 15:27:14,918 INFO L368 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-19 15:27:14,923 INFO L369 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f10c033, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-19 15:27:14,924 INFO L370 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-02-19 15:27:14,946 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-19 15:27:14,946 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-02-19 15:27:14,946 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-19 15:27:14,946 INFO L226 CegarLoopForPetriNet]: Found error trace [2024-02-19 15:27:14,947 INFO L234 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-19 15:27:14,947 INFO L432 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-02-19 15:27:14,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-19 15:27:14,952 INFO L85 PathProgramCache]: Analyzing trace with hash -611507590, now seen corresponding path program 1 times [2024-02-19 15:27:14,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-19 15:27:14,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419412051] [2024-02-19 15:27:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-19 15:27:14,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-19 15:27:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-19 15:27:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-19 15:27:15,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-19 15:27:15,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419412051] [2024-02-19 15:27:15,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419412051] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-19 15:27:15,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-19 15:27:15,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-19 15:27:15,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002601739] [2024-02-19 15:27:15,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-19 15:27:15,538 INFO L584 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-19 15:27:15,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-19 15:27:15,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-19 15:27:15,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-19 15:27:15,575 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 15 [2024-02-19 15:27:15,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 12 transitions, 36 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-02-19 15:27:15,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-19 15:27:15,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 15 [2024-02-19 15:27:15,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-19 15:27:15,647 INFO L124 PetriNetUnfolderBase]: 8/33 cut-off events. [2024-02-19 15:27:15,647 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-02-19 15:27:15,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 33 events. 8/33 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 1 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 45. Up to 13 conditions per place. [2024-02-19 15:27:15,650 INFO L140 encePairwiseOnDemand]: 11/15 looper letters, 10 selfloop transitions, 2 changer transitions 10/23 dead transitions. [2024-02-19 15:27:15,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 23 transitions, 114 flow [2024-02-19 15:27:15,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-19 15:27:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-19 15:27:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2024-02-19 15:27:15,662 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-02-19 15:27:15,666 INFO L308 CegarLoopForPetriNet]: 19 programPoint places, 3 predicate places. [2024-02-19 15:27:15,666 INFO L507 AbstractCegarLoop]: Abstraction has has 22 places, 23 transitions, 114 flow [2024-02-19 15:27:15,666 INFO L508 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-02-19 15:27:15,667 INFO L226 CegarLoopForPetriNet]: Found error trace [2024-02-19 15:27:15,667 INFO L234 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-19 15:27:15,667 WARN L489 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-19 15:27:15,668 INFO L432 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-02-19 15:27:15,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-19 15:27:15,670 INFO L85 PathProgramCache]: Analyzing trace with hash 119563550, now seen corresponding path program 2 times [2024-02-19 15:27:15,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-19 15:27:15,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379664615] [2024-02-19 15:27:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-19 15:27:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-19 15:27:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-19 15:27:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-19 15:27:15,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-19 15:27:15,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379664615] [2024-02-19 15:27:15,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379664615] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-19 15:27:15,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-19 15:27:15,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-19 15:27:15,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978769068] [2024-02-19 15:27:15,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-19 15:27:15,986 INFO L584 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-19 15:27:15,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-19 15:27:15,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-19 15:27:15,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-19 15:27:15,987 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 15 [2024-02-19 15:27:15,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 23 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-02-19 15:27:15,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-19 15:27:15,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 15 [2024-02-19 15:27:15,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-19 15:27:16,048 INFO L124 PetriNetUnfolderBase]: 8/31 cut-off events. [2024-02-19 15:27:16,048 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-02-19 15:27:16,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 31 events. 8/31 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 66. Up to 18 conditions per place. [2024-02-19 15:27:16,049 INFO L140 encePairwiseOnDemand]: 11/15 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2024-02-19 15:27:16,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 23 transitions, 162 flow [2024-02-19 15:27:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-19 15:27:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-19 15:27:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2024-02-19 15:27:16,051 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-02-19 15:27:16,052 INFO L308 CegarLoopForPetriNet]: 19 programPoint places, 4 predicate places. [2024-02-19 15:27:16,053 INFO L507 AbstractCegarLoop]: Abstraction has has 23 places, 23 transitions, 162 flow [2024-02-19 15:27:16,053 INFO L508 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-02-19 15:27:16,055 INFO L818 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-02-19 15:27:16,056 INFO L818 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-02-19 15:27:16,056 INFO L818 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-02-19 15:27:16,056 WARN L489 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-19 15:27:16,100 INFO L644 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 1731 in 43500095ns [2024-02-19 15:27:16,102 INFO L457 BasicCegarLoop]: Path program histogram: [2] [2024-02-19 15:27:16,109 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-19 15:27:16,165 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-02-19 15:27:16,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 03:27:16 BasicIcfg [2024-02-19 15:27:16,172 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-19 15:27:16,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-19 15:27:16,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-19 15:27:16,176 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-19 15:27:16,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:27:14" (3/4) ... [2024-02-19 15:27:16,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-02-19 15:27:16,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-02-19 15:27:16,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-02-19 15:27:16,183 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2024-02-19 15:27:16,184 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-02-19 15:27:16,184 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-02-19 15:27:16,184 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-02-19 15:27:16,316 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-02-19 15:27:16,317 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-02-19 15:27:16,317 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-19 15:27:16,318 INFO L158 Benchmark]: Toolchain (without parser) took 2403.98ms. Allocated memory was 67.1MB in the beginning and 117.4MB in the end (delta: 50.3MB). Free memory was 43.2MB in the beginning and 92.6MB in the end (delta: -49.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-02-19 15:27:16,318 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-19 15:27:16,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.00ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 31.7MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-02-19 15:27:16,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.79ms. Allocated memory is still 67.1MB. Free memory was 31.7MB in the beginning and 30.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-19 15:27:16,319 INFO L158 Benchmark]: Boogie Preprocessor took 78.65ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 30.1MB in the beginning and 75.5MB in the end (delta: -45.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-02-19 15:27:16,319 INFO L158 Benchmark]: RCFGBuilder took 491.86ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 51.6MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-02-19 15:27:16,319 INFO L158 Benchmark]: TraceAbstraction took 1392.18ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 40.9MB in the end (delta: 9.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-02-19 15:27:16,319 INFO L158 Benchmark]: Witness Printer took 144.93ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 92.6MB in the end (delta: -51.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-02-19 15:27:16,321 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 67.1MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.00ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 31.7MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.79ms. Allocated memory is still 67.1MB. Free memory was 31.7MB in the beginning and 30.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.65ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 30.1MB in the beginning and 75.5MB in the end (delta: -45.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * RCFGBuilder took 491.86ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 51.6MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1392.18ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 40.9MB in the end (delta: 9.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Witness Printer took 144.93ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 92.6MB in the end (delta: -51.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && !(v_np13_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && v_np12_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np7_1)) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && v_np2_1) && !(v_np13_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np12_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np7_1))) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np4_1) && !(v_np13_1)) && !(v_np15_1)) && v_np14_1) && v_np12_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && !(v_np4_1)) && !(v_np15_1)) && v_np18_1) && v_np14_1) && v_np13_1) && v_np11_1) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && !(v_np13_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && v_np12_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np7_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np4_1)) && !(v_np15_1)) && v_np18_1) && v_np14_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np17_1)) && !(v_np3_1))) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np0_1)) && v_np6_1) && v_np1_1) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && v_np13_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np7_1) && v_np1_1) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1))) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np8_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && v_np12_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && v_np15_1) && v_np10_1) && v_np13_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && v_np15_1) && v_np10_1) && v_np13_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1))) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && v_np0_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && v_np12_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np0_1)) && v_np6_1) && v_np2_1) && v_np1_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np0_1)) && v_np6_1) && v_np1_1) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && v_np13_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np7_1) && v_np2_1) && v_np1_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np13_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && (x1 <= ((x2 + (4294967296 * ((((-1 * x2) + x1) + -4) / 4294967296))) + 4))) && !(v_np3_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np7_1) && v_np1_1) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1))) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np16_1) && v_np10_1) && v_np13_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np16_1) && v_np10_1) && v_np13_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np0_1)) && v_np6_1) && v_np2_1) && v_np1_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && v_np2_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np18_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && v_np2_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np18_1) && v_np13_1) && v_np11_1) && !(v_np17_1)) && (x1 <= ((x2 + (4294967296 * ((((-1 * x2) + x1) + -4) / 4294967296))) + 4))) && !(v_np3_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np7_1) && v_np2_1) && v_np1_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np13_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && (x1 <= ((x2 + (4294967296 * ((((-1 * x2) + x1) + -4) / 4294967296))) + 4))) && !(v_np3_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np4_1) && v_np2_1) && !(v_np13_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np12_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && v_np2_1) && !(v_np13_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np12_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np7_1))) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np16_1) && v_np10_1) && v_np13_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np4_1)) && !(v_np15_1)) && v_np18_1) && v_np14_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np17_1)) && !(v_np3_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && v_np2_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np18_1) && v_np13_1) && v_np11_1) && !(v_np17_1)) && (x1 <= ((x2 + (4294967296 * ((((-1 * x2) + x1) + -4) / 4294967296))) + 4))) && !(v_np3_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np7_1) && v_np2_1) && v_np1_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np13_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && (x1 <= ((x2 + (4294967296 * ((((-1 * x2) + x1) + -4) / 4294967296))) + 4))) && !(v_np3_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && v_np15_1) && v_np10_1) && v_np13_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np7_1) && v_np1_1) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1))) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np17_1) && v_np10_1) && v_np12_1) && !(v_np18_1)) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np0_1)) && v_np6_1) && v_np2_1) && v_np1_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && v_np2_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np18_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && !(v_np4_1)) && !(v_np15_1)) && v_np18_1) && v_np14_1) && v_np13_1) && v_np11_1) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && v_np15_1) && v_np10_1) && v_np13_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np16_1) && v_np10_1) && v_np13_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np0_1)) && v_np6_1) && v_np1_1) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && v_np13_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np4_1) && !(v_np13_1)) && !(v_np15_1)) && v_np14_1) && v_np12_1) && v_np11_1) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np4_1) && v_np2_1) && !(v_np13_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np12_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np18_1)) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && v_np2_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np18_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1)) || (((((((((((((((((((((x1 + 4) <= ((((((-1 * x2) + x1) + 4) / 4294967296) * 4294967296) + x2)) && !(v_np5_1)) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && !(v_np4_1)) && !(v_np15_1)) && v_np18_1) && v_np14_1) && v_np13_1) && v_np11_1) && !(v_np17_1)) && !(v_np3_1)) && !(v_np7_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np4_1)) && !(v_np15_1)) && v_np18_1) && v_np14_1) && v_np13_1) && v_np11_1) && ((((x1 / 4294967296) * 4294967296) + x2) == (x1 + ((x2 / 4294967296) * 4294967296)))) && !(v_np17_1)) && !(v_np3_1))) || (((((((((((((((((((!(v_np5_1) && !(v_np16_1)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && v_np2_1) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np18_1) && v_np13_1) && v_np11_1) && !(v_np17_1)) && (x1 <= ((x2 + (4294967296 * ((((-1 * x2) + x1) + -4) / 4294967296))) + 4))) && !(v_np3_1))) - PositiveResult [Line: 72]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 22 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-02-19 15:27:16,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE