./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_4+newton_1_4.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 03fe66fa 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/combinations/gcd_4+newton_1_4.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_4+newton_1_4.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-03fe66f-m [2024-08-15 18:05:41,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:05:41,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:05:41,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:05:41,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:05:41,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:05:41,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:05:41,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:05:41,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:05:41,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:05:41,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:05:41,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:05:41,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:05:41,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:05:41,920 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:05:41,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:05:41,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:05:41,921 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:05:41,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:05:41,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:05:41,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:05:41,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:05:41,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:05:41,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:05:41,932 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:05:41,932 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:05:41,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:05:41,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:05:41,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:05:41,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:05:41,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:05:41,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:05:41,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:05:41,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:05:41,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:05:41,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:05:41,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:05:41,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:05:41,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:05:41,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:05:41,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:05:41,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:05:41,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:05:41,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:05:42,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:05:42,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:05:42,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:05:42,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:05:42,182 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:05:42,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i [2024-08-15 18:05:43,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:05:43,758 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:05:43,758 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i [2024-08-15 18:05:43,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163f897d3/37ae304970dc4223b0dc114b6d4c6b01/FLAGca3cd105d [2024-08-15 18:05:43,786 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163f897d3/37ae304970dc4223b0dc114b6d4c6b01 [2024-08-15 18:05:43,793 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:05:43,794 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:05:43,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_4+newton_1_4.yml/witness.yml [2024-08-15 18:05:43,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:05:43,869 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:05:43,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:05:43,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:05:43,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:05:43,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:05:43" (1/2) ... [2024-08-15 18:05:43,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e719080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:43, skipping insertion in model container [2024-08-15 18:05:43,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:05:43" (1/2) ... [2024-08-15 18:05:43,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@339d985a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:43, skipping insertion in model container [2024-08-15 18:05:43,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:05:43" (2/2) ... [2024-08-15 18:05:43,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e719080 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:43, skipping insertion in model container [2024-08-15 18:05:43,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:05:43" (2/2) ... [2024-08-15 18:05:43,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:05:44,039 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i[1224,1237] [2024-08-15 18:05:44,063 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i[2806,2819] [2024-08-15 18:05:44,065 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:05:44,076 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:05:44,086 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i[1224,1237] [2024-08-15 18:05:44,101 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i[2806,2819] [2024-08-15 18:05:44,102 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:05:44,121 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:05:44,123 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44 WrapperNode [2024-08-15 18:05:44,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:05:44,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:05:44,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:05:44,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:05:44,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,169 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-08-15 18:05:44,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:05:44,187 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:05:44,189 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:05:44,189 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:05:44,190 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (1/1) ... [2024-08-15 18:05:44,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:05:44,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:05:44,227 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) [2024-08-15 18:05:44,232 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 [2024-08-15 18:05:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:05:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:05:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:05:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:05:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-15 18:05:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:05:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:05:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:05:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:05:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:05:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:05:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:05:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:05:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:05:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:05:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:05:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:05:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:05:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:05:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:05:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:05:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:05:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:05:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-15 18:05:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:05:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:05:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-15 18:05:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:05:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:05:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-15 18:05:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:05:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-15 18:05:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:05:44,353 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:05:44,355 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:05:44,490 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-08-15 18:05:44,490 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:05:44,501 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:05:44,502 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:05:44,502 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:05:44 BoogieIcfgContainer [2024-08-15 18:05:44,503 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:05:44,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:05:44,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:05:44,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:05:44,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:05:43" (1/4) ... [2024-08-15 18:05:44,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc8f545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:05:44, skipping insertion in model container [2024-08-15 18:05:44,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:05:43" (2/4) ... [2024-08-15 18:05:44,511 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:05:44,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc8f545 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:05:44, skipping insertion in model container [2024-08-15 18:05:44,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:44" (3/4) ... [2024-08-15 18:05:44,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc8f545 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:05:44, skipping insertion in model container [2024-08-15 18:05:44,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:05:44" (4/4) ... [2024-08-15 18:05:44,515 INFO L128 eAbstractionObserver]: Analyzing ICFG gcd_4+newton_1_4.i [2024-08-15 18:05:44,533 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:05:44,534 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:05:44,565 INFO L90 WitnessUtils]: Constructing product of automaton with 62 states and violation witness of the following lengths: [11] [2024-08-15 18:05:44,625 INFO L95 WitnessUtils]: Product has 96 reachable states. [2024-08-15 18:05:44,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:05:44,650 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;@4066006c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:05:44,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:05:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2024-08-15 18:05:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-08-15 18:05:44,661 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:05:44,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:05:44,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:05:44,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:05:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1666045295, now seen corresponding path program 1 times [2024-08-15 18:05:44,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:05:44,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107759442] [2024-08-15 18:05:44,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:05:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:05:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:05:44,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:05:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:05:44,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:05:44,851 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:05:44,852 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:05:44,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:05:44,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:05:44,859 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:05:44,862 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:05:44,877 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:05:44 BoogieIcfgContainer [2024-08-15 18:05:44,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:05:44,879 INFO L158 Benchmark]: Toolchain (without parser) took 1009.53ms. Allocated memory is still 180.4MB. Free memory was 122.1MB in the beginning and 71.4MB in the end (delta: 50.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-08-15 18:05:44,879 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory was 145.4MB in the beginning and 145.1MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:05:44,880 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:05:44,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.21ms. Allocated memory is still 180.4MB. Free memory was 121.7MB in the beginning and 109.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-15 18:05:44,881 INFO L158 Benchmark]: Boogie Preprocessor took 61.84ms. Allocated memory is still 180.4MB. Free memory was 109.4MB in the beginning and 107.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:05:44,882 INFO L158 Benchmark]: IcfgBuilder took 315.77ms. Allocated memory is still 180.4MB. Free memory was 107.0MB in the beginning and 91.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-15 18:05:44,882 INFO L158 Benchmark]: TraceAbstraction took 372.64ms. Allocated memory is still 180.4MB. Free memory was 90.7MB in the beginning and 71.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-15 18:05:44,884 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory was 145.4MB in the beginning and 145.1MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.21ms. Allocated memory is still 180.4MB. Free memory was 121.7MB in the beginning and 109.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.84ms. Allocated memory is still 180.4MB. Free memory was 109.4MB in the beginning and 107.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 315.77ms. Allocated memory is still 180.4MB. Free memory was 107.0MB in the beginning and 91.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 372.64ms. Allocated memory is still 180.4MB. Free memory was 90.7MB in the beginning and 71.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. 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: 109]: 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 someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) VAL [\old(cond)=1] [L82] COND FALSE !(!cond) VAL [\old(cond)=1] [L98] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L100] CALL, EXPR f(IN) VAL [\old(x)=110] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=110] [L100] RET, EXPR f(IN) VAL [IN=110] [L100] CALL, EXPR fp(IN) VAL [\old(x)=110] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=110] [L100] RET, EXPR fp(IN) VAL [IN=110] [L100] float x = IN - f(IN)/fp(IN); [L108] COND TRUE !(x < 0.1) VAL [IN=110] [L109] reach_error() VAL [IN=110] - UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 65 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=96occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 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 [2024-08-15 18:05:44,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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/combinations/gcd_4+newton_1_4.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_4+newton_1_4.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-03fe66f-m [2024-08-15 18:05:47,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:05:47,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:05:47,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:05:47,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:05:47,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:05:47,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:05:47,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:05:47,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:05:47,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:05:47,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:05:47,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:05:47,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:05:47,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:05:47,171 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:05:47,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:05:47,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:05:47,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:05:47,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:05:47,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:05:47,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:05:47,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:05:47,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:05:47,177 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:05:47,177 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:05:47,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:05:47,177 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:05:47,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:05:47,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:05:47,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:05:47,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:05:47,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:05:47,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:05:47,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:05:47,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:05:47,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:05:47,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:05:47,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:05:47,179 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:05:47,180 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:05:47,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:05:47,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:05:47,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:05:47,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:05:47,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:05:47,185 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:05:47,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:05:47,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:05:47,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:05:47,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:05:47,522 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:05:47,523 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:05:47,524 INFO L431 ainManager$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/gcd_4+newton_1_4.yml/witness.yml [2024-08-15 18:05:47,593 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:05:47,594 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:05:47,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i [2024-08-15 18:05:49,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:05:49,305 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:05:49,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i [2024-08-15 18:05:49,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27fe3d091/059f7a48a30d4594892a93366fe50025/FLAG70574051b [2024-08-15 18:05:49,712 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27fe3d091/059f7a48a30d4594892a93366fe50025 [2024-08-15 18:05:49,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:05:49,714 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:05:49,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:05:49,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:05:49,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:05:49,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:05:47" (1/2) ... [2024-08-15 18:05:49,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d85dd3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:49, skipping insertion in model container [2024-08-15 18:05:49,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:05:47" (1/2) ... [2024-08-15 18:05:49,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@226df5b0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:05:49, skipping insertion in model container [2024-08-15 18:05:49,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:05:49" (2/2) ... [2024-08-15 18:05:49,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d85dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:49, skipping insertion in model container [2024-08-15 18:05:49,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:05:49" (2/2) ... [2024-08-15 18:05:49,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:05:49,885 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i[1224,1237] [2024-08-15 18:05:49,920 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i[2806,2819] [2024-08-15 18:05:49,921 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:05:49,941 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:05:49,956 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i[1224,1237] [2024-08-15 18:05:49,976 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_1_4.i[2806,2819] [2024-08-15 18:05:49,977 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:05:50,003 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:05:50,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50 WrapperNode [2024-08-15 18:05:50,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:05:50,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:05:50,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:05:50,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:05:50,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,034 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,071 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-08-15 18:05:50,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:05:50,103 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:05:50,106 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:05:50,106 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:05:50,107 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (1/1) ... [2024-08-15 18:05:50,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:05:50,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:05:50,166 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) [2024-08-15 18:05:50,179 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 [2024-08-15 18:05:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:05:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:05:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:05:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:05:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:05:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-15 18:05:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:05:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:05:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:05:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:05:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:05:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:05:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:05:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:05:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:05:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:05:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:05:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:05:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:05:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-08-15 18:05:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:05:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:05:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:05:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-08-15 18:05:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:05:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-08-15 18:05:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:05:50,313 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:05:50,315 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:06:14,436 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-08-15 18:06:14,436 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:06:14,451 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:06:14,453 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:06:14,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:06:14 BoogieIcfgContainer [2024-08-15 18:06:14,454 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:06:14,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:06:14,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:06:14,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:06:14,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:05:47" (1/4) ... [2024-08-15 18:06:14,474 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:06:14,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754af073 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:06:14, skipping insertion in model container [2024-08-15 18:06:14,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:05:49" (2/4) ... [2024-08-15 18:06:14,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754af073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:06:14, skipping insertion in model container [2024-08-15 18:06:14,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:05:50" (3/4) ... [2024-08-15 18:06:14,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754af073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:06:14, skipping insertion in model container [2024-08-15 18:06:14,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:06:14" (4/4) ... [2024-08-15 18:06:14,480 INFO L128 eAbstractionObserver]: Analyzing ICFG gcd_4+newton_1_4.i [2024-08-15 18:06:14,500 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:06:14,500 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:06:14,525 INFO L90 WitnessUtils]: Constructing product of automaton with 60 states and violation witness of the following lengths: [11] [2024-08-15 18:06:14,578 INFO L95 WitnessUtils]: Product has 92 reachable states. [2024-08-15 18:06:14,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:06:14,600 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;@618c319a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:06:14,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:06:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2024-08-15 18:06:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-08-15 18:06:14,608 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:06:14,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:06:14,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:06:14,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:06:14,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1693106264, now seen corresponding path program 1 times [2024-08-15 18:06:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:06:14,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456211614] [2024-08-15 18:06:14,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:06:14,631 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 [2024-08-15 18:06:14,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:06:14,635 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) [2024-08-15 18:06:14,636 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 [2024-08-15 18:09:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:09:20,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:10:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:10:11,918 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:10:11,919 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:10:11,920 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:10:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:10:11,970 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 [2024-08-15 18:10:12,122 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 [2024-08-15 18:10:12,126 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:10:12,130 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:10:12,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:10:12 BoogieIcfgContainer [2024-08-15 18:10:12,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:10:12,145 INFO L158 Benchmark]: Toolchain (without parser) took 262430.18ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 31.7MB in the beginning and 46.2MB in the end (delta: -14.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-08-15 18:10:12,146 INFO L158 Benchmark]: Witness Parser took 1.00ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 38.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:10:12,146 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:10:12,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.35ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 31.5MB in the beginning and 61.3MB in the end (delta: -29.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-08-15 18:10:12,147 INFO L158 Benchmark]: Boogie Preprocessor took 96.45ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 58.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-15 18:10:12,147 INFO L158 Benchmark]: IcfgBuilder took 24351.71ms. Allocated memory is still 86.0MB. Free memory was 58.2MB in the beginning and 40.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-15 18:10:12,147 INFO L158 Benchmark]: TraceAbstraction took 237686.98ms. Allocated memory is still 86.0MB. Free memory was 40.0MB in the beginning and 46.2MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:10:12,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.00ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 38.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.35ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 31.5MB in the beginning and 61.3MB in the end (delta: -29.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.45ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 58.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 24351.71ms. Allocated memory is still 86.0MB. Free memory was 58.2MB in the beginning and 40.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 237686.98ms. Allocated memory is still 86.0MB. Free memory was 40.0MB in the beginning and 46.2MB in the end (delta: -6.2MB). 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: 109]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) VAL [\old(cond)=1] [L82] COND FALSE !(!cond) VAL [\old(cond)=1] [L98] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) VAL [IN=-0.7214607000350952] [L100] CALL, EXPR f(IN) VAL [\old(x)=-0.7214607000350952] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.7214607000350952, \result=-0.6605224013328552] [L100] RET, EXPR f(IN) VAL [IN=-0.7214607000350952] [L100] CALL, EXPR fp(IN) VAL [\old(x)=-0.7214607000350952] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.7214607000350952, \result=0.7512316703796387] [L100] RET, EXPR fp(IN) VAL [IN=-0.7214607000350952] [L100] float x = IN - f(IN)/fp(IN); [L108] COND TRUE !(x < 0.1) [L109] reach_error() - UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 69 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 237.6s, 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=92occurred 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, 185.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 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! [2024-08-15 18:10:12,251 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