./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/gcd_1+newton_1_4.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+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 26998269 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_1+newton_1_4.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+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-2699826-m [2024-08-14 14:12:59,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:12:59,333 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:12:59,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:12:59,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:12:59,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:12:59,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:12:59,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:12:59,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:12:59,367 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:12:59,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:12:59,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:12:59,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:12:59,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:12:59,371 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:12:59,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:12:59,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:12:59,372 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:12:59,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:12:59,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:12:59,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:12:59,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:12:59,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:12:59,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:12:59,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:12:59,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:12:59,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:12:59,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:12:59,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:12:59,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:12:59,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:12:59,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:12:59,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:12:59,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:12:59,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:12:59,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:12:59,381 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:12:59,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:12:59,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:12:59,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:12:59,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:12:59,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:12:59,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:12:59,383 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:12:59,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:12:59,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:12:59,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:12:59,705 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:12:59,705 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:12:59,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_1+newton_1_4.i [2024-08-14 14:13:01,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:13:01,324 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:13:01,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_1+newton_1_4.i [2024-08-14 14:13:01,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b345083/4e8d1807bec840a3b4c855d1c8503465/FLAGef85d0e7f [2024-08-14 14:13:01,346 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b345083/4e8d1807bec840a3b4c855d1c8503465 [2024-08-14 14:13:01,349 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:13:01,349 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:13:01,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_1_4.yml/witness.yml [2024-08-14 14:13:01,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:13:01,417 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:13:01,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:01,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:13:01,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:13:01,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:01" (1/2) ... [2024-08-14 14:13:01,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4c1be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:01, skipping insertion in model container [2024-08-14 14:13:01,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:01" (1/2) ... [2024-08-14 14:13:01,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ab18fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:01, skipping insertion in model container [2024-08-14 14:13:01,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:01" (2/2) ... [2024-08-14 14:13:01,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4c1be1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01, skipping insertion in model container [2024-08-14 14:13:01,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:01" (2/2) ... [2024-08-14 14:13:01,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:13:01,607 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_1+newton_1_4.i[1226,1239] [2024-08-14 14:13:01,639 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_1+newton_1_4.i[2786,2799] [2024-08-14 14:13:01,641 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:01,653 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:13:01,662 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_1+newton_1_4.i[1226,1239] [2024-08-14 14:13:01,671 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_1+newton_1_4.i[2786,2799] [2024-08-14 14:13:01,671 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:01,687 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:13:01,687 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01 WrapperNode [2024-08-14 14:13:01,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:01,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:13:01,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:13:01,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:13:01,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,707 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,719 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]. [2024-08-14 14:13:01,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:13:01,730 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:13:01,731 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:13:01,731 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:13:01,731 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (1/1) ... [2024-08-14 14:13:01,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:13:01,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:13:01,760 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) [2024-08-14 14:13:01,762 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 [2024-08-14 14:13:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:13:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:13:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:13:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:13:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-14 14:13:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:13:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:13:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-14 14:13:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-14 14:13:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:13:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:13:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:13:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:13:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-14 14:13:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:13:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-14 14:13:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:13:01,934 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:13:01,936 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:13:02,097 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-08-14 14:13:02,098 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:13:02,106 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:13:02,106 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:13:02,107 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:02 BoogieIcfgContainer [2024-08-14 14:13:02,107 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:13:02,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:13:02,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:13:02,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:13:02,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:13:01" (1/4) ... [2024-08-14 14:13:02,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f52e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:13:02, skipping insertion in model container [2024-08-14 14:13:02,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:01" (2/4) ... [2024-08-14 14:13:02,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f52e4a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:13:02, skipping insertion in model container [2024-08-14 14:13:02,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:01" (3/4) ... [2024-08-14 14:13:02,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f52e4a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:13:02, skipping insertion in model container [2024-08-14 14:13:02,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:02" (4/4) ... [2024-08-14 14:13:02,114 INFO L119 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_1_4.i [2024-08-14 14:13:02,114 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:13:02,131 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:13:02,131 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:13:02,162 INFO L92 WitnessUtils]: Constructing product of automaton with 60 states and violation witness of the following lengths: [11] [2024-08-14 14:13:02,168 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 60 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 9 states have call predecessors, (9), 9 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-08-14 14:13:02,251 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 94 states to 26 states. [2024-08-14 14:13:02,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:13:02,283 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;@2038eea3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:13:02,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:13:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2024-08-14 14:13:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-08-14 14:13:02,290 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:13:02,292 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] [2024-08-14 14:13:02,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:13:02,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:13:02,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2114843466, now seen corresponding path program 1 times [2024-08-14 14:13:02,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:13:02,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552460478] [2024-08-14 14:13:02,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:13:02,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:13:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:13:02,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:13:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:13:02,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:13:02,483 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:13:02,484 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:13:02,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:13:02,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:13:02,490 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:13:02,493 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:13:02,505 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:13:02 BoogieIcfgContainer [2024-08-14 14:13:02,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:13:02,506 INFO L158 Benchmark]: Toolchain (without parser) took 1089.03ms. Allocated memory is still 157.3MB. Free memory was 79.6MB in the beginning and 98.9MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:02,506 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 157.3MB. Free memory was 127.9MB in the beginning and 127.4MB in the end (delta: 489.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:02,507 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:02,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.61ms. Allocated memory is still 157.3MB. Free memory was 79.1MB in the beginning and 66.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,508 INFO L158 Benchmark]: Boogie Preprocessor took 41.89ms. Allocated memory is still 157.3MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,508 INFO L158 Benchmark]: IcfgBuilder took 376.30ms. Allocated memory is still 157.3MB. Free memory was 64.4MB in the beginning and 118.7MB in the end (delta: -54.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,509 INFO L158 Benchmark]: TraceAbstraction took 396.63ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 98.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,511 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 157.3MB. Free memory was 127.9MB in the beginning and 127.4MB in the end (delta: 489.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.61ms. Allocated memory is still 157.3MB. Free memory was 79.1MB in the beginning and 66.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.89ms. Allocated memory is still 157.3MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 376.30ms. Allocated memory is still 157.3MB. Free memory was 64.4MB in the beginning and 118.7MB in the end (delta: -54.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * TraceAbstraction took 396.63ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 98.9MB in the end (delta: 18.9MB). 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: 102]: 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 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 93. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) VAL [\old(cond)=1] [L75] COND FALSE !(!cond) VAL [\old(cond)=1] [L91] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L93] CALL, EXPR f(IN) VAL [\old(x)=110] [L80] 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] [L93] RET, EXPR f(IN) VAL [IN=110] [L93] CALL, EXPR fp(IN) VAL [\old(x)=110] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=110] [L93] RET, EXPR fp(IN) VAL [IN=110] [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) VAL [IN=110] [L102] 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, 63 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=26occurred 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, 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 [2024-08-14 14:13:02,542 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_1+newton_1_4.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+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-2699826-m [2024-08-14 14:13:04,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:13:04,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:13:04,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:13:04,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:13:04,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:13:04,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:13:04,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:13:04,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:13:04,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:13:04,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:13:04,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:13:04,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:13:04,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:13:04,860 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:13:04,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:13:04,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:13:04,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:13:04,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:13:04,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:13:04,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:13:04,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:13:04,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:13:04,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:13:04,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:13:04,867 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:13:04,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:13:04,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:13:04,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:13:04,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:13:04,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:13:04,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:13:04,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:13:04,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:13:04,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:13:04,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:13:04,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:13:04,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:13:04,872 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:13:04,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:13:04,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:13:04,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:13:04,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:13:04,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:13:04,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:13:04,874 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:13:04,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:13:05,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:13:05,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:13:05,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:13:05,228 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:13:05,229 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:13:05,232 INFO L431 ainManager$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_1+newton_1_4.yml/witness.yml [2024-08-14 14:13:05,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:13:05,304 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:13:05,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_1+newton_1_4.i [2024-08-14 14:13:06,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:13:06,934 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:13:06,935 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_1+newton_1_4.i [2024-08-14 14:13:06,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3341d952/8af11eef964d49d6b290b4dec8a8cb0b/FLAG3e149af93 [2024-08-14 14:13:06,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3341d952/8af11eef964d49d6b290b4dec8a8cb0b [2024-08-14 14:13:06,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:13:06,959 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:13:06,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:06,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:13:06,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:13:06,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:05" (1/2) ... [2024-08-14 14:13:06,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b8d719 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:06, skipping insertion in model container [2024-08-14 14:13:06,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:05" (1/2) ... [2024-08-14 14:13:06,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@427f2549 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:06, skipping insertion in model container [2024-08-14 14:13:06,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:06" (2/2) ... [2024-08-14 14:13:06,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b8d719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:06, skipping insertion in model container [2024-08-14 14:13:06,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:06" (2/2) ... [2024-08-14 14:13:06,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:13:07,181 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_1+newton_1_4.i[1226,1239] [2024-08-14 14:13:07,213 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_1+newton_1_4.i[2786,2799] [2024-08-14 14:13:07,218 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:07,241 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:13:07,255 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_1+newton_1_4.i[1226,1239] [2024-08-14 14:13:07,270 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_1+newton_1_4.i[2786,2799] [2024-08-14 14:13:07,270 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:07,295 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:13:07,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07 WrapperNode [2024-08-14 14:13:07,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:07,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:13:07,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:13:07,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:13:07,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,320 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,344 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]. [2024-08-14 14:13:07,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:13:07,369 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:13:07,372 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:13:07,372 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:13:07,373 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (1/1) ... [2024-08-14 14:13:07,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:13:07,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:13:07,412 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) [2024-08-14 14:13:07,416 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 [2024-08-14 14:13:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:13:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:13:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:13:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:13:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:13:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-14 14:13:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:13:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:13:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-14 14:13:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-14 14:13:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:13:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:13:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:13:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:13:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:13:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:13:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:13:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:13:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:13:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:13:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:13:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:13:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:13:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:13:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-14 14:13:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:13:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:13:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:13:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:13:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-14 14:13:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-14 14:13:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:13:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:13:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:13:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:13:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-08-14 14:13:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:13:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:13:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:13:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-08-14 14:13:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:13:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-08-14 14:13:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:13:07,571 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:13:07,573 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:13:33,364 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-08-14 14:13:33,365 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:13:33,378 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:13:33,378 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:13:33,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:33 BoogieIcfgContainer [2024-08-14 14:13:33,379 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:13:33,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:13:33,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:13:33,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:13:33,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:05" (1/4) ... [2024-08-14 14:13:33,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aebae56 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:13:33, skipping insertion in model container [2024-08-14 14:13:33,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:13:06" (2/4) ... [2024-08-14 14:13:33,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aebae56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:13:33, skipping insertion in model container [2024-08-14 14:13:33,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07" (3/4) ... [2024-08-14 14:13:33,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aebae56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:13:33, skipping insertion in model container [2024-08-14 14:13:33,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:33" (4/4) ... [2024-08-14 14:13:33,407 INFO L119 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_1_4.i [2024-08-14 14:13:33,408 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:13:33,428 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:13:33,428 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:13:33,453 INFO L92 WitnessUtils]: Constructing product of automaton with 58 states and violation witness of the following lengths: [11] [2024-08-14 14:13:33,456 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 58 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 41 states have internal predecessors, (48), 9 states have call successors, (9), 9 states have call predecessors, (9), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-08-14 14:13:33,516 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 90 states to 26 states. [2024-08-14 14:13:33,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:13:33,549 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;@6d0f0670, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:13:33,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:13:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2024-08-14 14:13:33,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-08-14 14:13:33,556 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:13:33,557 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] [2024-08-14 14:13:33,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:13:33,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:13:33,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1179027729, now seen corresponding path program 1 times [2024-08-14 14:13:33,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:13:33,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353290456] [2024-08-14 14:13:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:13:33,577 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 [2024-08-14 14:13:33,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:13:33,582 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) [2024-08-14 14:13:33,583 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 [2024-08-14 14:16:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:16:00,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:19:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:19:41,805 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:19:41,806 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:19:41,807 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:19:41,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:19:41,860 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 [2024-08-14 14:19:42,010 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 [2024-08-14 14:19:42,014 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:19:42,018 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:19:42,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:19:42 BoogieIcfgContainer [2024-08-14 14:19:42,038 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:19:42,040 INFO L158 Benchmark]: Toolchain (without parser) took 395082.00ms. Allocated memory is still 77.6MB. Free memory was 47.4MB in the beginning and 37.6MB in the end (delta: 9.8MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-08-14 14:19:42,040 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 58.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:19:42,041 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 58.7MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:19:42,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.05ms. Allocated memory is still 77.6MB. Free memory was 47.2MB in the beginning and 54.1MB in the end (delta: -6.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-08-14 14:19:42,042 INFO L158 Benchmark]: Boogie Preprocessor took 71.48ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 51.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:19:42,042 INFO L158 Benchmark]: IcfgBuilder took 26010.22ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 34.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:19:42,042 INFO L158 Benchmark]: TraceAbstraction took 368638.49ms. Allocated memory is still 77.6MB. Free memory was 56.5MB in the beginning and 37.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-14 14:19:42,046 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 0.30ms. Allocated memory is still 58.7MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 58.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 58.7MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.05ms. Allocated memory is still 77.6MB. Free memory was 47.2MB in the beginning and 54.1MB in the end (delta: -6.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.48ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 51.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 26010.22ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 34.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 368638.49ms. Allocated memory is still 77.6MB. Free memory was 56.5MB in the beginning and 37.6MB in the end (delta: 18.9MB). 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 - CounterExampleResult [Line: 102]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) VAL [\old(cond)=1] [L75] COND FALSE !(!cond) VAL [\old(cond)=1] [L91] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) VAL [IN=-0.7421608567237854] [L93] CALL, EXPR f(IN) VAL [\old(x)=-0.7421608567237854] [L80] 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)=-0.7421608567237854, \result=-0.6759311556816101] [L93] RET, EXPR f(IN) VAL [IN=-0.7421608567237854] [L93] CALL, EXPR fp(IN) VAL [\old(x)=-0.7421608567237854] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.7421608567237854, \result=0.7374717593193054] [L93] RET, EXPR fp(IN) VAL [IN=-0.7421608567237854] [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) [L102] 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, 67 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 368.6s, 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=26occurred 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, 147.2s 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! [2024-08-14 14:19:42,141 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