./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/gcd_4+newton_3_8.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_4+newton_3_8.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_3_8.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_4+newton_3_8.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 18:06:39,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:06:39,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:06:39,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:06:39,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:06:39,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:06:39,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:06:39,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:06:39,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:06:39,973 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:06:39,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:06:39,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:06:39,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:06:39,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:06:39,975 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:06:39,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:06:39,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:06:39,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:06:39,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:06:39,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:06:39,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:06:39,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:06:39,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:06:39,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:06:39,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:06:39,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:06:39,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:06:39,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:06:39,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:06:39,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:06:39,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:06:39,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:06:39,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:06:39,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:06:39,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:06:39,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:06:39,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:06:39,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:06:39,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:06:39,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:06:39,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:06:39,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:06:39,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:06:39,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:06:40,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:06:40,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:06:40,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:06:40,313 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:06:40,313 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:06:40,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_4+newton_3_8.i [2024-08-15 18:06:41,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:06:42,143 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:06:42,144 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_3_8.i [2024-08-15 18:06:42,160 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673dfd77d/11b28a2ff3384650ab8bf47c256295da/FLAG718251566 [2024-08-15 18:06:42,494 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673dfd77d/11b28a2ff3384650ab8bf47c256295da [2024-08-15 18:06:42,497 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:06:42,497 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:06:42,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_4+newton_3_8.yml/witness.yml [2024-08-15 18:06:42,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:06:42,609 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:06:42,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:06:42,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:06:42,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:06:42,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:06:42" (1/2) ... [2024-08-15 18:06:42,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dabd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:42, skipping insertion in model container [2024-08-15 18:06:42,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:06:42" (1/2) ... [2024-08-15 18:06:42,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4781e184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:42, skipping insertion in model container [2024-08-15 18:06:42,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:06:42" (2/2) ... [2024-08-15 18:06:42,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dabd06 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:06:42, skipping insertion in model container [2024-08-15 18:06:42,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:06:42" (2/2) ... [2024-08-15 18:06:42,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:06:42,814 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_3_8.i[1224,1237] [2024-08-15 18:06:42,844 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_3_8.i[2848,2861] [2024-08-15 18:06:42,851 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:06:42,861 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:06:42,880 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_3_8.i[1224,1237] [2024-08-15 18:06:42,892 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_3_8.i[2848,2861] [2024-08-15 18:06:42,893 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:06:42,912 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:06:42,913 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:06:42 WrapperNode [2024-08-15 18:06:42,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:06:42,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:06:42,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:06:42,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:06:42,926 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,926 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,934 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,950 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 18:06:42,951 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,951 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,962 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,966 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,967 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:06:42,975 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:06:42,975 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:06:42,975 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:06:42,976 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 06:06:42" (1/1) ... [2024-08-15 18:06:42,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:06:42,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:06:43,013 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 18:06:43,015 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 18:06:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:06:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:06:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:06:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:06:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-15 18:06:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:06:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:06:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:06:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:06:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:06:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:06:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:06:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:06:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:06:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:06:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:06:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-15 18:06:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:06:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:06:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-15 18:06:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:06:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-15 18:06:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:06:43,144 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:06:43,149 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:06:43,355 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-08-15 18:06:43,356 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:06:43,370 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:06:43,370 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:06:43,371 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:06:43 BoogieIcfgContainer [2024-08-15 18:06:43,371 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:06:43,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:06:43,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:06:43,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:06:43,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:06:42" (1/4) ... [2024-08-15 18:06:43,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142740a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:06:43, skipping insertion in model container [2024-08-15 18:06:43,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:06:42" (2/4) ... [2024-08-15 18:06:43,378 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:06:43,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142740a6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:06:43, skipping insertion in model container [2024-08-15 18:06:43,382 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 06:06:42" (3/4) ... [2024-08-15 18:06:43,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142740a6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:06:43, skipping insertion in model container [2024-08-15 18:06:43,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:06:43" (4/4) ... [2024-08-15 18:06:43,384 INFO L128 eAbstractionObserver]: Analyzing ICFG gcd_4+newton_3_8.i [2024-08-15 18:06:43,402 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:06:43,403 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:06:43,436 INFO L90 WitnessUtils]: Constructing product of automaton with 68 states and violation witness of the following lengths: [19] [2024-08-15 18:06:43,517 INFO L95 WitnessUtils]: Product has 120 reachable states. [2024-08-15 18:06:43,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:06:43,546 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;@7c635ada, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:06:43,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:06:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 133 transitions. [2024-08-15 18:06:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-08-15 18:06:43,559 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:06:43,560 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:06:43,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:06:43,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:06:43,567 INFO L85 PathProgramCache]: Analyzing trace with hash -984989146, now seen corresponding path program 1 times [2024-08-15 18:06:43,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:06:43,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930598346] [2024-08-15 18:06:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:06:43,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:06:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:06:43,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:06:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:06:43,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:06:43,810 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:06:43,812 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:06:43,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:06:43,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:06:43,830 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:06:43,856 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:06:43,874 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:06:43 BoogieIcfgContainer [2024-08-15 18:06:43,875 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:06:43,876 INFO L158 Benchmark]: Toolchain (without parser) took 1267.41ms. Allocated memory is still 148.9MB. Free memory was 121.2MB in the beginning and 117.3MB in the end (delta: 3.9MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-08-15 18:06:43,876 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 105.0MB in the end (delta: 83.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:06:43,877 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 148.9MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:06:43,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.65ms. Allocated memory is still 148.9MB. Free memory was 121.2MB in the beginning and 108.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-15 18:06:43,878 INFO L158 Benchmark]: Boogie Preprocessor took 59.73ms. Allocated memory is still 148.9MB. Free memory was 108.5MB in the beginning and 106.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:06:43,878 INFO L158 Benchmark]: IcfgBuilder took 396.11ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 90.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-15 18:06:43,879 INFO L158 Benchmark]: TraceAbstraction took 502.28ms. Allocated memory is still 148.9MB. Free memory was 89.6MB in the beginning and 117.3MB in the end (delta: -27.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-08-15 18:06:43,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 105.0MB in the end (delta: 83.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 148.9MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.65ms. Allocated memory is still 148.9MB. Free memory was 121.2MB in the beginning and 108.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.73ms. Allocated memory is still 148.9MB. Free memory was 108.5MB in the beginning and 106.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 396.11ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 90.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 502.28ms. Allocated memory is still 148.9MB. Free memory was 89.6MB in the beginning and 117.3MB in the end (delta: -27.7MB). Peak memory consumption was 23.3MB. 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 104. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) VAL [\old(cond)=1] [L82] COND FALSE !(!cond) VAL [\old(cond)=1] [L98] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L100] CALL, EXPR f(IN) VAL [\old(x)=111] [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)=111] [L100] RET, EXPR f(IN) VAL [IN=111] [L100] CALL, EXPR fp(IN) VAL [\old(x)=111] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=111] [L100] RET, EXPR fp(IN) VAL [IN=111] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=112] [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)=112] [L102] RET, EXPR f(x) VAL [IN=111, x=112] [L102] CALL, EXPR fp(x) VAL [\old(x)=112] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=112] [L102] RET, EXPR fp(x) VAL [IN=111, x=112] [L102] x = x - f(x)/fp(x) [L104] CALL, EXPR f(x) 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] [L104] RET, EXPR f(x) VAL [IN=111, x=110] [L104] CALL, EXPR fp(x) 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] [L104] RET, EXPR fp(x) VAL [IN=111, x=110] [L104] x = x - f(x)/fp(x) [L108] COND TRUE !(x < 0.1) VAL [IN=111] [L109] reach_error() VAL [IN=111] - 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, 71 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 3, 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=120occurred 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, 43 NumberOfCodeBlocks, 43 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 18:06:43,908 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_3_8.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_4+newton_3_8.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 18:06:46,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:06:46,447 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:06:46,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:06:46,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:06:46,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:06:46,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:06:46,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:06:46,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:06:46,495 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:06:46,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:06:46,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:06:46,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:06:46,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:06:46,498 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:06:46,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:06:46,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:06:46,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:06:46,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:06:46,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:06:46,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:06:46,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:06:46,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:06:46,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:06:46,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:06:46,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:06:46,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:06:46,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:06:46,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:06:46,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:06:46,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:06:46,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:06:46,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:06:46,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:06:46,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:06:46,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:06:46,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:06:46,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:06:46,511 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:06:46,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:06:46,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:06:46,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:06:46,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:06:46,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:06:46,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:06:46,513 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:06:46,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:06:46,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:06:46,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:06:46,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:06:46,923 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:06:46,924 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:06:46,927 INFO L431 ainManager$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_3_8.yml/witness.yml [2024-08-15 18:06:47,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:06:47,018 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:06:47,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_4+newton_3_8.i [2024-08-15 18:06:48,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:06:49,030 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:06:49,031 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_4+newton_3_8.i [2024-08-15 18:06:49,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd9409c5/8db0c1f6a11240f4871738d426c685b4/FLAG451387fa3 [2024-08-15 18:06:49,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd9409c5/8db0c1f6a11240f4871738d426c685b4 [2024-08-15 18:06:49,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:06:49,407 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:06:49,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:06:49,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:06:49,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:06:49,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:06:47" (1/2) ... [2024-08-15 18:06:49,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73336844 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:06:49, skipping insertion in model container [2024-08-15 18:06:49,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:06:47" (1/2) ... [2024-08-15 18:06:49,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ea33c68 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:06:49, skipping insertion in model container [2024-08-15 18:06:49,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:06:49" (2/2) ... [2024-08-15 18:06:49,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73336844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49, skipping insertion in model container [2024-08-15 18:06:49,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:06:49" (2/2) ... [2024-08-15 18:06:49,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:06:49,627 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_3_8.i[1224,1237] [2024-08-15 18:06:49,674 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_3_8.i[2848,2861] [2024-08-15 18:06:49,675 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:06:49,704 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:06:49,717 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_3_8.i[1224,1237] [2024-08-15 18:06:49,737 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_3_8.i[2848,2861] [2024-08-15 18:06:49,743 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:06:49,787 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:06:49,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49 WrapperNode [2024-08-15 18:06:49,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:06:49,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:06:49,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:06:49,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:06:49,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,832 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 18:06:49,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:06:49,866 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:06:49,866 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:06:49,866 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:06:49,867 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (1/1) ... [2024-08-15 18:06:49,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:06:49,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:06:49,900 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 18:06:49,902 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 18:06:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:06:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:06:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:06:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:06:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:06:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:06:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:06:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:06:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:06:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:06:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:06:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:06:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:06:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:06:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:06:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-15 18:06:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:06:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:06:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:06:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:06:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:06:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:06:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:06:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:06:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:06:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:06:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-08-15 18:06:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:06:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:06:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:06:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-08-15 18:06:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:06:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-08-15 18:06:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:06:50,044 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:06:50,047 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:07:22,121 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-08-15 18:07:22,121 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:07:22,132 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:07:22,134 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:07:22,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:07:22 BoogieIcfgContainer [2024-08-15 18:07:22,136 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:07:22,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:07:22,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:07:22,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:07:22,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:06:47" (1/4) ... [2024-08-15 18:07:22,144 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:07:22,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5575d5c7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:07:22, skipping insertion in model container [2024-08-15 18:07:22,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:06:49" (2/4) ... [2024-08-15 18:07:22,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5575d5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:07:22, skipping insertion in model container [2024-08-15 18:07:22,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:06:49" (3/4) ... [2024-08-15 18:07:22,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5575d5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:07:22, skipping insertion in model container [2024-08-15 18:07:22,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:07:22" (4/4) ... [2024-08-15 18:07:22,152 INFO L128 eAbstractionObserver]: Analyzing ICFG gcd_4+newton_3_8.i [2024-08-15 18:07:22,171 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:07:22,172 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:07:22,203 INFO L90 WitnessUtils]: Constructing product of automaton with 66 states and violation witness of the following lengths: [19] [2024-08-15 18:07:22,291 INFO L95 WitnessUtils]: Product has 116 reachable states. [2024-08-15 18:07:22,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:07:22,315 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;@226c8f39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:07:22,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:07:22,320 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2024-08-15 18:07:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-08-15 18:07:22,328 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:07:22,330 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:07:22,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:07:22,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:07:22,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1243610099, now seen corresponding path program 1 times [2024-08-15 18:07:22,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:07:22,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946074800] [2024-08-15 18:07:22,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:07:22,349 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 18:07:22,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:07:22,351 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 18:07:22,353 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 18:08:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:08:09,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:08:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:08:32,237 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:08:32,240 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:08:32,240 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:08:32,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:08:32,363 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 18:08:32,443 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 18:08:32,447 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:08:32,451 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:08:32,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:08:32 BoogieIcfgContainer [2024-08-15 18:08:32,476 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:08:32,477 INFO L158 Benchmark]: Toolchain (without parser) took 103070.39ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 65.1MB in the end (delta: -4.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-08-15 18:08:32,478 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:08:32,478 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:08:32,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.50ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 69.6MB in the end (delta: -9.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-08-15 18:08:32,479 INFO L158 Benchmark]: Boogie Preprocessor took 76.03ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:08:32,480 INFO L158 Benchmark]: IcfgBuilder took 32270.04ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 48.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-15 18:08:32,480 INFO L158 Benchmark]: TraceAbstraction took 70337.04ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 65.1MB in the end (delta: -16.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-15 18:08:32,482 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 0.29ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.50ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 69.6MB in the end (delta: -9.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.03ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 32270.04ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 48.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 70337.04ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 65.1MB in the end (delta: -16.8MB). Peak memory consumption was 23.1MB. 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 > -2.0f && IN < 2.0f) VAL [\old(cond)=1] [L82] COND FALSE !(!cond) VAL [\old(cond)=1] [L98] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) VAL [IN=1.2158231735229492] [L100] CALL, EXPR f(IN) VAL [\old(x)=1.2158231735229492] [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)=1.2158231735229492, \result=0.9391984939575195] [L100] RET, EXPR f(IN) VAL [IN=1.2158231735229492] [L100] CALL, EXPR fp(IN) VAL [\old(x)=1.2158231735229492] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.2158231735229492, \result=0.3564213514328003] [L100] RET, EXPR fp(IN) VAL [IN=1.2158231735229492] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=-1.4192559719085693] [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)=-1.4192559719085693, \result=-0.9930793642997742] [L102] RET, EXPR f(x) VAL [x=-1.4192559719085693] [L102] CALL, EXPR fp(x) VAL [\old(x)=-1.4192559719085693] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.4192559719085693, \result=0.17326362431049347] [L102] RET, EXPR fp(x) VAL [x=-1.4192559719085693] [L102] x = x - f(x)/fp(x) [L104] CALL, EXPR f(x) VAL [\old(x)=4.312353134155273] [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)=4.312353134155273, \result=8.876964569091797] [L104] RET, EXPR f(x) VAL [x=4.312353134155273] [L104] CALL, EXPR fp(x) VAL [\old(x)=4.312353134155273] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=4.312353134155273, \result=15.043307304382324] [L104] RET, EXPR fp(x) VAL [x=4.312353134155273] [L104] x = x - f(x)/fp(x) [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, 75 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 70.2s, OverallIterations: 1, TraceHistogramMax: 3, 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=116occurred 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, 47.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 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 18:08:32,596 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