./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/gcd_1+newton_2_8.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_2_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 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_2_8.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_2_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-2699826-m [2024-08-14 14:12:59,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:12:59,502 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:12:59,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:12:59,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:12:59,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:12:59,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:12:59,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:12:59,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:12:59,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:12:59,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:12:59,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:12:59,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:12:59,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:12:59,542 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:12:59,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:12:59,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:12:59,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:12:59,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:12:59,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:12:59,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:12:59,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:12:59,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:12:59,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:12:59,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:12:59,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:12:59,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:12:59,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:12:59,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:12:59,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:12:59,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:12:59,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:12:59,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:12:59,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:12:59,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:12:59,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:12:59,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:12:59,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:12:59,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:12:59,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:12:59,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:12:59,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:12:59,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:12:59,555 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:12:59,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:12:59,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:12:59,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:12:59,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:12:59,841 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:12:59,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_1+newton_2_8.i [2024-08-14 14:13:01,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:13:01,428 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:13:01,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_1+newton_2_8.i [2024-08-14 14:13:01,440 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2047a461e/05cbb6c3f3d2425bac93353ab743b695/FLAGa90ec6c4b [2024-08-14 14:13:01,812 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2047a461e/05cbb6c3f3d2425bac93353ab743b695 [2024-08-14 14:13:01,814 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:13:01,815 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:13:01,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_2_8.yml/witness.yml [2024-08-14 14:13:01,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:13:01,888 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:13:01,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:01,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:13:01,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:13:01,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:01" (1/2) ... [2024-08-14 14:13:01,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2cf2d8 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 14:13:01,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:01" (1/2) ... [2024-08-14 14:13:01,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d11be1d 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 14:13:01,896 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 14:13:01,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2cf2d8 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 14:13:01,897 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 14:13:01,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:13:02,077 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_2_8.i[1226,1239] [2024-08-14 14:13:02,119 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_2_8.i[2807,2820] [2024-08-14 14:13:02,121 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:02,130 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:13:02,146 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_2_8.i[1226,1239] [2024-08-14 14:13:02,177 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_2_8.i[2807,2820] [2024-08-14 14:13:02,181 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:02,195 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:13:02,196 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:02 WrapperNode [2024-08-14 14:13:02,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:02,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:13:02,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:13:02,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:13:02,207 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,207 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,214 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,228 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 14:13:02,228 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,228 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,235 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,236 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,237 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:13:02,241 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:13:02,241 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:13:02,241 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:13:02,243 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:13:02,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:13:02,284 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 14:13:02,287 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 14:13:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:13:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:13:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:13:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:13:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-14 14:13:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:13:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:13:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-14 14:13:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-14 14:13:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:13:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:13:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:13:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:13:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:13:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:13:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:13:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:13:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-14 14:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-14 14:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-14 14:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-14 14:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-14 14:13:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:13:02,437 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:13:02,439 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:13:02,628 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-08-14 14:13:02,629 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:13:02,640 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:13:02,640 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:13:02,640 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 14:13:02,640 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:13:02,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:13:02,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:13:02,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:13:02,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:13:01" (1/4) ... [2024-08-14 14:13:02,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7deec491 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 14:13:02,649 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 14:13:02,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7deec491 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 14:13:02,651 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 02:13:02" (3/4) ... [2024-08-14 14:13:02,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7deec491 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 14:13:02,652 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 14:13:02,654 INFO L119 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_2_8.i [2024-08-14 14:13:02,654 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:13:02,673 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:13:02,674 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:13:02,706 INFO L92 WitnessUtils]: Constructing product of automaton with 63 states and violation witness of the following lengths: [15] [2024-08-14 14:13:02,708 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 63 states, 40 states have (on average 1.275) internal successors, (51), 43 states have internal predecessors, (51), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-08-14 14:13:02,790 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 106 states to 35 states. [2024-08-14 14:13:02,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:13:02,818 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;@23b33a85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:13:02,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:13:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2024-08-14 14:13:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-08-14 14:13:02,824 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:13:02,825 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-08-14 14:13:02,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:13:02,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:13:02,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1153453443, now seen corresponding path program 1 times [2024-08-14 14:13:02,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:13:02,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387526521] [2024-08-14 14:13:02,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:13:02,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:13:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:13:02,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:13:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:13:03,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:13:03,007 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:13:03,008 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:13:03,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:13:03,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:13:03,015 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:13:03,029 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:13:03,044 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:13:03 BoogieIcfgContainer [2024-08-14 14:13:03,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:13:03,045 INFO L158 Benchmark]: Toolchain (without parser) took 1156.21ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 76.3MB in the beginning and 177.1MB in the end (delta: -100.7MB). Peak memory consumption was 169.8kB. Max. memory is 16.1GB. [2024-08-14 14:13:03,045 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:03,045 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:03,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.52ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 76.2MB in the beginning and 177.9MB in the end (delta: -101.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-08-14 14:13:03,046 INFO L158 Benchmark]: Boogie Preprocessor took 43.44ms. Allocated memory is still 207.6MB. Free memory was 177.9MB in the beginning and 175.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:13:03,047 INFO L158 Benchmark]: IcfgBuilder took 399.63ms. Allocated memory is still 207.6MB. Free memory was 175.8MB in the beginning and 159.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:13:03,047 INFO L158 Benchmark]: TraceAbstraction took 399.30ms. Allocated memory is still 207.6MB. Free memory was 157.9MB in the beginning and 177.1MB in the end (delta: -19.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-14 14:13:03,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.52ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 76.2MB in the beginning and 177.9MB in the end (delta: -101.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.44ms. Allocated memory is still 207.6MB. Free memory was 177.9MB in the beginning and 175.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 399.63ms. Allocated memory is still 207.6MB. Free memory was 175.8MB in the beginning and 159.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 399.30ms. Allocated memory is still 207.6MB. Free memory was 157.9MB in the beginning and 177.1MB in the end (delta: -19.1MB). 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 - 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 95. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) VAL [\old(cond)=1] [L75] COND FALSE !(!cond) VAL [\old(cond)=1] [L91] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [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); [L95] CALL, EXPR f(x) VAL [\old(x)=111] [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)=111] [L95] RET, EXPR f(x) VAL [IN=110, x=111] [L95] CALL, EXPR fp(x) VAL [\old(x)=111] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=111] [L95] RET, EXPR fp(x) VAL [IN=110, x=111] [L95] x = x - f(x)/fp(x) [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, 66 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=35occurred 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, 34 NumberOfCodeBlocks, 34 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 14:13:03,108 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_2_8.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_2_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-2699826-m [2024-08-14 14:13:05,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:13:05,340 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:13:05,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:13:05,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:13:05,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:13:05,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:13:05,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:13:05,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:13:05,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:13:05,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:13:05,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:13:05,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:13:05,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:13:05,388 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:13:05,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:13:05,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:13:05,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:13:05,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:13:05,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:13:05,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:13:05,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:13:05,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:13:05,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:13:05,392 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:13:05,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:13:05,392 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:13:05,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:13:05,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:13:05,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:13:05,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:13:05,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:13:05,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:13:05,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:13:05,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:13:05,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:13:05,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:13:05,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:13:05,396 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:13:05,397 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:13:05,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:13:05,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:13:05,397 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:13:05,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:13:05,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:13:05,398 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:13:05,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:13:05,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:13:05,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:13:05,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:13:05,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:13:05,731 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:13:05,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_1+newton_2_8.i [2024-08-14 14:13:07,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:13:07,485 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:13:07,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_1+newton_2_8.i [2024-08-14 14:13:07,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c90856f9/1af28f9b7904489b96f2e4848c5a6e67/FLAGaacfc10e7 [2024-08-14 14:13:07,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c90856f9/1af28f9b7904489b96f2e4848c5a6e67 [2024-08-14 14:13:07,521 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:13:07,522 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:13:07,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_2_8.yml/witness.yml [2024-08-14 14:13:07,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:13:07,602 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:13:07,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:07,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:13:07,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:13:07,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:07" (1/2) ... [2024-08-14 14:13:07,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f454f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07, skipping insertion in model container [2024-08-14 14:13:07,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:07" (1/2) ... [2024-08-14 14:13:07,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a9fb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07, skipping insertion in model container [2024-08-14 14:13:07,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:07" (2/2) ... [2024-08-14 14:13:07,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f454f41 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:07, skipping insertion in model container [2024-08-14 14:13:07,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:07" (2/2) ... [2024-08-14 14:13:07,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:13:07,808 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_2_8.i[1226,1239] [2024-08-14 14:13:07,846 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_2_8.i[2807,2820] [2024-08-14 14:13:07,850 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:07,869 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:13:07,884 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_2_8.i[1226,1239] [2024-08-14 14:13:07,900 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_2_8.i[2807,2820] [2024-08-14 14:13:07,905 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:07,928 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:13:07,929 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:07 WrapperNode [2024-08-14 14:13:07,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:07,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:13:07,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:13:07,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:13:07,942 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 02:13:07" (1/1) ... [2024-08-14 14:13:07,943 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 02:13:07" (1/1) ... [2024-08-14 14:13:07,955 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 02:13:07" (1/1) ... [2024-08-14 14:13:07,971 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 14:13:07,972 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 02:13:07" (1/1) ... [2024-08-14 14:13:07,972 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 02:13:07" (1/1) ... [2024-08-14 14:13:07,984 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 02:13:07" (1/1) ... [2024-08-14 14:13:07,986 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 02:13:07" (1/1) ... [2024-08-14 14:13:07,991 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 02:13:07" (1/1) ... [2024-08-14 14:13:07,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:13:07,996 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:13:07,996 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:13:07,996 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:13:07,998 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 02:13:07" (1/1) ... [2024-08-14 14:13:08,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:13:08,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:13:08,031 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 14:13:08,033 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 14:13:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:13:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:13:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:13:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:13:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:13:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-14 14:13:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:13:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:13:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-14 14:13:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-14 14:13:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:13:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:13:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:13:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:13:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:13:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:13:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:13:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:13:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:13:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:13:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:13:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-14 14:13:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:13:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-08-14 14:13:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:13:08,219 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:13:08,224 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:13:33,820 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-08-14 14:13:33,823 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:13:33,833 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:13:33,836 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:13:33,837 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:33 BoogieIcfgContainer [2024-08-14 14:13:33,837 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:13:33,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:13:33,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:13:33,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:13:33,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:13:07" (1/4) ... [2024-08-14 14:13:33,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488d7af6 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 14:13:33,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:07" (2/4) ... [2024-08-14 14:13:33,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488d7af6 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 14:13:33,845 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 02:13:07" (3/4) ... [2024-08-14 14:13:33,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488d7af6 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 14:13:33,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:33" (4/4) ... [2024-08-14 14:13:33,850 INFO L119 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_2_8.i [2024-08-14 14:13:33,850 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:13:33,870 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:13:33,870 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:13:33,909 INFO L92 WitnessUtils]: Constructing product of automaton with 61 states and violation witness of the following lengths: [15] [2024-08-14 14:13:33,913 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 61 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 42 states have internal predecessors, (49), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-08-14 14:13:33,993 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 102 states to 35 states. [2024-08-14 14:13:34,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:13:34,016 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;@57fd9f24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:13:34,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:13:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2024-08-14 14:13:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-08-14 14:13:34,022 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:13:34,023 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-08-14 14:13:34,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:13:34,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:13:34,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1121564323, now seen corresponding path program 1 times [2024-08-14 14:13:34,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:13:34,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567698458] [2024-08-14 14:13:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:13:34,041 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 14:13:34,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:13:34,045 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 14:13:34,046 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 14:13:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:13:49,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:14:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:14:13,852 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:14:13,854 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:14:13,855 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:14:13,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:14:13,943 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 14:14:14,059 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 14:14:14,063 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:14:14,066 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:14:14,085 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:14:14 BoogieIcfgContainer [2024-08-14 14:14:14,085 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:14:14,086 INFO L158 Benchmark]: Toolchain (without parser) took 66484.15ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 47.5MB in the end (delta: 5.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-08-14 14:14:14,086 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:14:14,087 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 77.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:14:14,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.19ms. Allocated memory is still 77.6MB. Free memory was 52.3MB in the beginning and 38.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:14:14,087 INFO L158 Benchmark]: Boogie Preprocessor took 64.80ms. Allocated memory is still 77.6MB. Free memory was 38.9MB in the beginning and 36.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:14:14,088 INFO L158 Benchmark]: IcfgBuilder took 25841.46ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 43.7MB in the end (delta: -7.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-08-14 14:14:14,088 INFO L158 Benchmark]: TraceAbstraction took 40246.00ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 47.5MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:14:14,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 77.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.19ms. Allocated memory is still 77.6MB. Free memory was 52.3MB in the beginning and 38.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.80ms. Allocated memory is still 77.6MB. Free memory was 38.9MB in the beginning and 36.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 25841.46ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 43.7MB in the end (delta: -7.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 40246.00ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 47.5MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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 > -2.0f && IN < 2.0f) VAL [\old(cond)=1] [L75] COND FALSE !(!cond) VAL [\old(cond)=1] [L91] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) VAL [IN=-1.5411834716796875] [L93] CALL, EXPR f(IN) VAL [\old(x)=-1.5411834716796875] [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)=-1.5411834716796875, \result=-1.007624864578247] [L93] RET, EXPR f(IN) VAL [IN=-1.5411834716796875] [L93] CALL, EXPR fp(IN) VAL [\old(x)=-1.5411834716796875] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.5411834716796875, \result=0.06606359034776688] [L93] RET, EXPR fp(IN) VAL [IN=-1.5411834716796875] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=13.711164474487305] [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)=13.711164474487305, \result=21697.806640625] [L95] RET, EXPR f(x) VAL [x=13.711164474487305] [L95] CALL, EXPR fp(x) VAL [\old(x)=13.711164474487305] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=13.711164474487305, \result=10607.732421875] [L95] RET, EXPR fp(x) VAL [x=13.711164474487305] [L95] x = x - f(x)/fp(x) [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, 70 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 40.2s, OverallIterations: 1, TraceHistogramMax: 2, 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=35occurred 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, 15.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 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 14:14:14,181 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