./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/implicitfloatconversion.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0a70ae82 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/implicitfloatconversion.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-0a70ae8-m [2024-08-07 13:45:18,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-07 13:45:18,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-07 13:45:18,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-07 13:45:18,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-07 13:45:18,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-07 13:45:18,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-07 13:45:18,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-07 13:45:18,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-07 13:45:18,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-07 13:45:18,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-07 13:45:18,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-07 13:45:18,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-07 13:45:18,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-07 13:45:18,781 INFO L153 SettingsManager]: * Use SBE=true [2024-08-07 13:45:18,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-07 13:45:18,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-07 13:45:18,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-07 13:45:18,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-07 13:45:18,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-07 13:45:18,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-07 13:45:18,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-07 13:45:18,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-07 13:45:18,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-07 13:45:18,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-07 13:45:18,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-07 13:45:18,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-07 13:45:18,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-07 13:45:18,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-07 13:45:18,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-07 13:45:18,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-07 13:45:18,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-07 13:45:18,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-07 13:45:18,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-07 13:45:18,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-07 13:45:18,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-07 13:45:18,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-07 13:45:18,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-07 13:45:18,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-07 13:45:18,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-07 13:45:18,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-07 13:45:18,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-07 13:45:18,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-07 13:45:18,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-07 13:45:19,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-07 13:45:19,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-07 13:45:19,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-07 13:45:19,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-07 13:45:19,140 INFO L274 PluginConnector]: CDTParser initialized [2024-08-07 13:45:19,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c [2024-08-07 13:45:20,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-07 13:45:20,830 INFO L384 CDTParser]: Found 1 translation units. [2024-08-07 13:45:20,831 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c [2024-08-07 13:45:20,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/083408063/16d94fa10fb04f179d96260999032765/FLAG8bcd6294b [2024-08-07 13:45:21,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/083408063/16d94fa10fb04f179d96260999032765 [2024-08-07 13:45:21,220 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-07 13:45:21,223 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-07 13:45:21,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/implicitfloatconversion.yml/witness.yml [2024-08-07 13:45:21,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-07 13:45:21,285 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-07 13:45:21,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-07 13:45:21,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-07 13:45:21,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-07 13:45:21,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:45:21" (1/2) ... [2024-08-07 13:45:21,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51185e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:45:21, skipping insertion in model container [2024-08-07 13:45:21,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:45:21" (1/2) ... [2024-08-07 13:45:21,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bc7e7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:45:21, skipping insertion in model container [2024-08-07 13:45:21,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 01:45:21" (2/2) ... [2024-08-07 13:45:21,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51185e42 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21, skipping insertion in model container [2024-08-07 13:45:21,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 01:45:21" (2/2) ... [2024-08-07 13:45:21,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-07 13:45:21,485 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c[371,384] [2024-08-07 13:45:21,495 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 13:45:21,511 INFO L200 MainTranslator]: Completed pre-run [2024-08-07 13:45:21,525 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c[371,384] [2024-08-07 13:45:21,526 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 13:45:21,542 INFO L204 MainTranslator]: Completed translation [2024-08-07 13:45:21,544 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21 WrapperNode [2024-08-07 13:45:21,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-07 13:45:21,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-07 13:45:21,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-07 13:45:21,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-07 13:45:21,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,564 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,582 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-07 13:45:21,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-07 13:45:21,595 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-07 13:45:21,595 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-07 13:45:21,595 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-07 13:45:21,596 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (1/1) ... [2024-08-07 13:45:21,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-07 13:45:21,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-07 13:45:21,636 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) [2024-08-07 13:45:21,643 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 [2024-08-07 13:45:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-07 13:45:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-07 13:45:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-07 13:45:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-07 13:45:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-07 13:45:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-07 13:45:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-07 13:45:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-07 13:45:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-07 13:45:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-07 13:45:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-07 13:45:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-07 13:45:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-07 13:45:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-07 13:45:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-07 13:45:21,761 INFO L273 CfgBuilder]: Building ICFG [2024-08-07 13:45:21,763 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-07 13:45:21,872 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-08-07 13:45:21,873 INFO L327 CfgBuilder]: Performing block encoding [2024-08-07 13:45:21,882 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-07 13:45:21,882 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-07 13:45:21,883 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 01:45:21 BoogieIcfgContainer [2024-08-07 13:45:21,884 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-07 13:45:21,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-07 13:45:21,888 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-07 13:45:21,891 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-07 13:45:21,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 01:45:21" (1/4) ... [2024-08-07 13:45:21,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466d2c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 01:45:21, skipping insertion in model container [2024-08-07 13:45:21,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 01:45:21" (2/4) ... [2024-08-07 13:45:21,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466d2c62 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 01:45:21, skipping insertion in model container [2024-08-07 13:45:21,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:21" (3/4) ... [2024-08-07 13:45:21,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466d2c62 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 01:45:21, skipping insertion in model container [2024-08-07 13:45:21,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 01:45:21" (4/4) ... [2024-08-07 13:45:21,898 INFO L119 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2024-08-07 13:45:21,898 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-07 13:45:21,919 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-07 13:45:21,920 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-07 13:45:21,963 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,963 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,968 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,968 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,969 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,969 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,970 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,970 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,970 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,971 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,971 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,971 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,972 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,972 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,973 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,973 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,974 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,974 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,975 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,975 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,975 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,976 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,976 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,976 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,982 INFO L90 WitnessUtils]: NestedWordAutomaton nwa = ( callAlphabet = {"call #t~ret4 := main();" "call ULTIMATE.init();" }, internalAlphabet = {"assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(26, 2);call #Ultimate.allocInit(12, 3);" "assume true;" "SUMMARY for call #t~ret4 := main(); srcloc: L-1" "SUMMARY for call ULTIMATE.init(); srcloc: ULTIMATE.startENTRY" "assume true;" "assume false;#res := -1;" "assume false;" "assume !false;" "#res := 0;" "assume 1 == ~i~0;" "assume !(1 == ~i~0);" "~f~0 := ~convertINTToFLOAT(1);~i~0 := ~convertFLOATToINT(~f~0);" "assume true;" }, returnAlphabet = {"#17#return;" "#19#return;" }, states = {"CountingPredicate [underlying: 8#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 9#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 14#L8true, annotation: [0, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 6#L9true, annotation: [1, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 10#L11true, annotation: [0, 0]]" "CountingPredicate [underlying: 5#mainENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 15#L12true, annotation: [2, 0]]" "CountingPredicate [underlying: 11#mainErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 13#mainFINALtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 12#mainEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 13#mainFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 12#mainEXITtrue, annotation: [2, 0]]" }, initialStates = {"CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" }, finalStates = {"CountingPredicate [underlying: 11#mainErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [2, 0]]" }, callTransitions = { ("CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "call ULTIMATE.init();" "CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]" "call #t~ret4 := main();" "CountingPredicate [underlying: 5#mainENTRYtrue, annotation: [0, 0]]") }, internalTransitions = { ("CountingPredicate [underlying: 8#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 9#ULTIMATE.initEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 14#L8true, annotation: [0, 0]]" "assume 1 == ~i~0;" "CountingPredicate [underlying: 6#L9true, annotation: [1, 0]]") ("CountingPredicate [underlying: 14#L8true, annotation: [0, 0]]" "assume !(1 == ~i~0);" "CountingPredicate [underlying: 10#L11true, annotation: [0, 0]]") ("CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(26, 2);call #Ultimate.allocInit(12, 3);" "CountingPredicate [underlying: 8#ULTIMATE.initFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L9true, annotation: [1, 0]]" "assume false;" "CountingPredicate [underlying: 15#L12true, annotation: [2, 0]]") ("CountingPredicate [underlying: 6#L9true, annotation: [1, 0]]" "assume !false;" "CountingPredicate [underlying: 11#mainErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 10#L11true, annotation: [0, 0]]" "#res := 0;" "CountingPredicate [underlying: 13#mainFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#mainENTRYtrue, annotation: [0, 0]]" "~f~0 := ~convertINTToFLOAT(1);~i~0 := ~convertFLOATToINT(~f~0);" "CountingPredicate [underlying: 14#L8true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#L12true, annotation: [2, 0]]" "assume false;#res := -1;" "CountingPredicate [underlying: 13#mainFINALtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 13#mainFINALtrue, annotation: [2, 0]]" "assume true;" "CountingPredicate [underlying: 12#mainEXITtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [2, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 13#mainFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 12#mainEXITtrue, annotation: [0, 0]]") }, returnTransitions = { ("CountingPredicate [underlying: 9#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "#19#return;" "CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#mainEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]" "#17#return;" "CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#mainEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]" "#17#return;" "CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [2, 0]]") } ); [2024-08-07 13:45:21,988 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 15 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-08-07 13:45:21,989 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,989 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,989 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,989 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,990 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,990 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,990 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,991 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,991 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,991 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,991 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,992 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,992 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,992 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,993 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,993 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,994 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,994 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,995 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,995 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,995 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,996 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:21,996 WARN L283 nessProductAutomaton]: assume 1 == ~i~0;, isNegated false [2024-08-07 13:45:21,996 WARN L283 nessProductAutomaton]: assume !(1 == ~i~0);, isNegated true [2024-08-07 13:45:22,001 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 19 states to 9 states. [2024-08-07 13:45:22,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-07 13:45:22,020 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3b75c2a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-07 13:45:22,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-07 13:45:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2024-08-07 13:45:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-08-07 13:45:22,025 INFO L187 NwaCegarLoop]: Found error trace [2024-08-07 13:45:22,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-08-07 13:45:22,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-07 13:45:22,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-07 13:45:22,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1377292700, now seen corresponding path program 1 times [2024-08-07 13:45:22,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-07 13:45:22,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94814911] [2024-08-07 13:45:22,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-07 13:45:22,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-07 13:45:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-07 13:45:22,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-07 13:45:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-07 13:45:22,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-07 13:45:22,139 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-07 13:45:22,141 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-07 13:45:22,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-07 13:45:22,148 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-07 13:45:22,153 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-07 13:45:22,163 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 01:45:22 BoogieIcfgContainer [2024-08-07 13:45:22,163 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-07 13:45:22,164 INFO L158 Benchmark]: Toolchain (without parser) took 879.23ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 23.2MB in the beginning and 28.6MB in the end (delta: -5.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-08-07 13:45:22,165 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 65.0MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 13:45:22,165 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 25.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 13:45:22,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.53ms. Allocated memory is still 88.1MB. Free memory was 69.6MB in the beginning and 59.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-07 13:45:22,166 INFO L158 Benchmark]: Boogie Preprocessor took 49.70ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 57.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-07 13:45:22,167 INFO L158 Benchmark]: IcfgBuilder took 288.56ms. Allocated memory is still 88.1MB. Free memory was 57.1MB in the beginning and 46.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-07 13:45:22,168 INFO L158 Benchmark]: TraceAbstraction took 275.98ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 28.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-07 13:45:22,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 65.0MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 25.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.53ms. Allocated memory is still 88.1MB. Free memory was 69.6MB in the beginning and 59.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.70ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 57.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 288.56ms. Allocated memory is still 88.1MB. Free memory was 57.1MB in the beginning and 46.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 275.98ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 28.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-07 13:45:22,210 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/implicitfloatconversion.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-0a70ae8-m [2024-08-07 13:45:24,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-07 13:45:24,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-07 13:45:24,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-07 13:45:24,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-07 13:45:24,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-07 13:45:24,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-07 13:45:24,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-07 13:45:24,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-07 13:45:24,468 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-07 13:45:24,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-07 13:45:24,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-07 13:45:24,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-07 13:45:24,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-07 13:45:24,471 INFO L153 SettingsManager]: * Use SBE=true [2024-08-07 13:45:24,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-07 13:45:24,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-07 13:45:24,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-07 13:45:24,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-07 13:45:24,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-07 13:45:24,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-07 13:45:24,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-07 13:45:24,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-07 13:45:24,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-07 13:45:24,478 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-07 13:45:24,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-07 13:45:24,478 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-07 13:45:24,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-07 13:45:24,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-07 13:45:24,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-07 13:45:24,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-07 13:45:24,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-07 13:45:24,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-07 13:45:24,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-07 13:45:24,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-07 13:45:24,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-07 13:45:24,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-07 13:45:24,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-07 13:45:24,482 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-07 13:45:24,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-07 13:45:24,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-07 13:45:24,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-07 13:45:24,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-07 13:45:24,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-07 13:45:24,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-07 13:45:24,484 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-07 13:45:24,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-07 13:45:24,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-07 13:45:24,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-07 13:45:24,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-07 13:45:24,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-07 13:45:24,810 INFO L274 PluginConnector]: CDTParser initialized [2024-08-07 13:45:24,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c [2024-08-07 13:45:26,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-07 13:45:26,686 INFO L384 CDTParser]: Found 1 translation units. [2024-08-07 13:45:26,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c [2024-08-07 13:45:26,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635f8f5ee/bd4d379609ed451999d8418952a1f156/FLAG51be7537d [2024-08-07 13:45:27,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635f8f5ee/bd4d379609ed451999d8418952a1f156 [2024-08-07 13:45:27,063 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-07 13:45:27,064 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-07 13:45:27,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/implicitfloatconversion.yml/witness.yml [2024-08-07 13:45:27,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-07 13:45:27,119 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-07 13:45:27,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-07 13:45:27,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-07 13:45:27,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-07 13:45:27,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:45:27" (1/2) ... [2024-08-07 13:45:27,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454499a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:45:27, skipping insertion in model container [2024-08-07 13:45:27,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:45:27" (1/2) ... [2024-08-07 13:45:27,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b4e7d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:45:27, skipping insertion in model container [2024-08-07 13:45:27,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 01:45:27" (2/2) ... [2024-08-07 13:45:27,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454499a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27, skipping insertion in model container [2024-08-07 13:45:27,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 01:45:27" (2/2) ... [2024-08-07 13:45:27,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-07 13:45:27,299 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c[371,384] [2024-08-07 13:45:27,304 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 13:45:27,344 INFO L200 MainTranslator]: Completed pre-run [2024-08-07 13:45:27,357 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c[371,384] [2024-08-07 13:45:27,359 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 13:45:27,377 INFO L204 MainTranslator]: Completed translation [2024-08-07 13:45:27,377 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27 WrapperNode [2024-08-07 13:45:27,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-07 13:45:27,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-07 13:45:27,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-07 13:45:27,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-07 13:45:27,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,410 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-07 13:45:27,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-07 13:45:27,427 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-07 13:45:27,427 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-07 13:45:27,427 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-07 13:45:27,428 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (1/1) ... [2024-08-07 13:45:27,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-07 13:45:27,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-07 13:45:27,473 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) [2024-08-07 13:45:27,475 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 [2024-08-07 13:45:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-07 13:45:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-07 13:45:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-07 13:45:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-07 13:45:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-07 13:45:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-07 13:45:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-07 13:45:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-07 13:45:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-07 13:45:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-07 13:45:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-07 13:45:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-07 13:45:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-07 13:45:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-07 13:45:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-07 13:45:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-07 13:45:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-07 13:45:27,607 INFO L273 CfgBuilder]: Building ICFG [2024-08-07 13:45:27,611 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-07 13:45:27,756 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-08-07 13:45:27,756 INFO L327 CfgBuilder]: Performing block encoding [2024-08-07 13:45:27,763 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-07 13:45:27,764 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-07 13:45:27,765 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 01:45:27 BoogieIcfgContainer [2024-08-07 13:45:27,765 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-07 13:45:27,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-07 13:45:27,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-07 13:45:27,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-07 13:45:27,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 01:45:27" (1/4) ... [2024-08-07 13:45:27,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545fba39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 01:45:27, skipping insertion in model container [2024-08-07 13:45:27,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 01:45:27" (2/4) ... [2024-08-07 13:45:27,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545fba39 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 01:45:27, skipping insertion in model container [2024-08-07 13:45:27,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 01:45:27" (3/4) ... [2024-08-07 13:45:27,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545fba39 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 01:45:27, skipping insertion in model container [2024-08-07 13:45:27,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 01:45:27" (4/4) ... [2024-08-07 13:45:27,777 INFO L119 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2024-08-07 13:45:27,778 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-07 13:45:27,798 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-07 13:45:27,798 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-07 13:45:27,854 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,855 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,859 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,860 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,860 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,861 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,862 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,862 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,863 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,864 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,864 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,865 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,865 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,866 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,867 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,868 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,869 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,869 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,870 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,871 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,871 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,871 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,872 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,873 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,879 INFO L90 WitnessUtils]: NestedWordAutomaton nwa = ( callAlphabet = {"call #t~ret4 := main();" "call ULTIMATE.init();" }, internalAlphabet = {"assume 0bv1 == #valid[0bv32];assume ~bvult~32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1#0(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1#0(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(26bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);" "assume true;" "SUMMARY for call #t~ret4 := main(); srcloc: L-1" "SUMMARY for call ULTIMATE.init(); srcloc: ULTIMATE.startENTRY" "assume true;" "assume false;#res := 4294967295bv32;" "assume false;" "assume !false;" "#res := 0bv32;" "assume 1bv32 == ~i~0;" "assume !(1bv32 == ~i~0);" "~f~0 := ~convertINTToFLOAT(currentRoundingMode, 1bv32);~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0);" "assume true;" }, returnAlphabet = {"#26#return;" "#28#return;" }, states = {"CountingPredicate [underlying: 8#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 9#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 14#L8true, annotation: [0, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 6#L9true, annotation: [1, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 10#L11true, annotation: [0, 0]]" "CountingPredicate [underlying: 5#mainENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 15#L12true, annotation: [2, 0]]" "CountingPredicate [underlying: 11#mainErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 13#mainFINALtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 12#mainEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 13#mainFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 12#mainEXITtrue, annotation: [2, 0]]" }, initialStates = {"CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" }, finalStates = {"CountingPredicate [underlying: 11#mainErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [2, 0]]" }, callTransitions = { ("CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "call ULTIMATE.init();" "CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]" "call #t~ret4 := main();" "CountingPredicate [underlying: 5#mainENTRYtrue, annotation: [0, 0]]") }, internalTransitions = { ("CountingPredicate [underlying: 8#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 9#ULTIMATE.initEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 14#L8true, annotation: [0, 0]]" "assume 1bv32 == ~i~0;" "CountingPredicate [underlying: 6#L9true, annotation: [1, 0]]") ("CountingPredicate [underlying: 14#L8true, annotation: [0, 0]]" "assume !(1bv32 == ~i~0);" "CountingPredicate [underlying: 10#L11true, annotation: [0, 0]]") ("CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "assume 0bv1 == #valid[0bv32];assume ~bvult~32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1#0(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1#0(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(26bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);" "CountingPredicate [underlying: 8#ULTIMATE.initFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L9true, annotation: [1, 0]]" "assume false;" "CountingPredicate [underlying: 15#L12true, annotation: [2, 0]]") ("CountingPredicate [underlying: 6#L9true, annotation: [1, 0]]" "assume !false;" "CountingPredicate [underlying: 11#mainErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 10#L11true, annotation: [0, 0]]" "#res := 0bv32;" "CountingPredicate [underlying: 13#mainFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#mainENTRYtrue, annotation: [0, 0]]" "~f~0 := ~convertINTToFLOAT(currentRoundingMode, 1bv32);~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0);" "CountingPredicate [underlying: 14#L8true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#L12true, annotation: [2, 0]]" "assume false;#res := 4294967295bv32;" "CountingPredicate [underlying: 13#mainFINALtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 13#mainFINALtrue, annotation: [2, 0]]" "assume true;" "CountingPredicate [underlying: 12#mainEXITtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [2, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 13#mainFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 12#mainEXITtrue, annotation: [0, 0]]") }, returnTransitions = { ("CountingPredicate [underlying: 9#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "#28#return;" "CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#mainEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]" "#26#return;" "CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#mainEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 7#L-1true, annotation: [0, 0]]" "#26#return;" "CountingPredicate [underlying: 16#ULTIMATE.startFINALtrue, annotation: [2, 0]]") } ); [2024-08-07 13:45:27,882 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 15 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-08-07 13:45:27,884 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,885 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,886 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,886 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,887 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,887 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,888 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,888 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,888 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,890 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,890 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,891 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,891 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,891 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,892 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,892 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,892 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,892 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,895 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,895 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,896 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,896 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,896 WARN L283 nessProductAutomaton]: assume 1bv32 == ~i~0;, isNegated false [2024-08-07 13:45:27,896 WARN L283 nessProductAutomaton]: assume !(1bv32 == ~i~0);, isNegated true [2024-08-07 13:45:27,903 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 19 states to 9 states. [2024-08-07 13:45:27,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-07 13:45:27,927 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@74f4e403, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-07 13:45:27,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-07 13:45:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2024-08-07 13:45:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-08-07 13:45:27,933 INFO L187 NwaCegarLoop]: Found error trace [2024-08-07 13:45:27,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-08-07 13:45:27,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-07 13:45:27,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-07 13:45:27,940 INFO L85 PathProgramCache]: Analyzing trace with hash -453433828, now seen corresponding path program 1 times [2024-08-07 13:45:27,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-07 13:45:27,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112199179] [2024-08-07 13:45:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-07 13:45:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-07 13:45:27,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-07 13:45:27,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-07 13:45:27,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-07 13:45:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-07 13:45:28,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-07 13:45:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-07 13:45:28,066 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-07 13:45:28,068 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-07 13:45:28,069 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-07 13:45:28,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-08-07 13:45:28,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-07 13:45:28,280 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-07 13:45:28,285 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-07 13:45:28,297 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 01:45:28 BoogieIcfgContainer [2024-08-07 13:45:28,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-07 13:45:28,300 INFO L158 Benchmark]: Toolchain (without parser) took 1179.98ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 34.8MB in the beginning and 54.1MB in the end (delta: -19.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-08-07 13:45:28,300 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 44.0MB. Free memory was 26.4MB in the beginning and 26.3MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 13:45:28,301 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 13:45:28,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.40ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 40.7MB in the end (delta: -6.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-08-07 13:45:28,303 INFO L158 Benchmark]: Boogie Preprocessor took 47.79ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 38.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-07 13:45:28,304 INFO L158 Benchmark]: IcfgBuilder took 338.07ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 26.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-07 13:45:28,304 INFO L158 Benchmark]: TraceAbstraction took 530.61ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 26.0MB in the beginning and 54.4MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 13:45:28,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 44.0MB. Free memory was 26.4MB in the beginning and 26.3MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.40ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 40.7MB in the end (delta: -6.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.79ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 38.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 338.07ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 26.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 530.61ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 26.0MB in the beginning and 54.4MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; VAL [i=1] [L8] i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-07 13:45:28,344 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE