./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/gcd_1+newton_3_7.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_3_7.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_3_7.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_3_7.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 14:12:59,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:12:59,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:12:59,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:12:59,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:12:59,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:12:59,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:12:59,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:12:59,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:12:59,683 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:12:59,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:12:59,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:12:59,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:12:59,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:12:59,686 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:12:59,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:12:59,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:12:59,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:12:59,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:12:59,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:12:59,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:12:59,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:12:59,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:12:59,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:12:59,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:12:59,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:12:59,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:12:59,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:12:59,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:12:59,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:12:59,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:12:59,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:12:59,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:12:59,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:12:59,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:12:59,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:12:59,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:12:59,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:12:59,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:12:59,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:12:59,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:12:59,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:12:59,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:12:59,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:12:59,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:12:59,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:12:59,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:12:59,993 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:12:59,993 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:12:59,994 INFO L431 ainManager$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_3_7.yml/witness.yml [2024-08-14 14:13:00,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:13:00,077 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:13:00,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_1+newton_3_7.i [2024-08-14 14:13:01,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:13:01,708 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:13:01,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_1+newton_3_7.i [2024-08-14 14:13:01,716 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907a00d2a/b9dc6311500048fe973ad7bafe97d247/FLAG2fb5a770b [2024-08-14 14:13:01,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907a00d2a/b9dc6311500048fe973ad7bafe97d247 [2024-08-14 14:13:01,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:13:01,733 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:13:01,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:01,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:13:01,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:13:01,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:00" (1/2) ... [2024-08-14 14:13:01,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e850cc6 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 14:13:01,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:00" (1/2) ... [2024-08-14 14:13:01,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64a52dcf 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 14:13:01,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:01" (2/2) ... [2024-08-14 14:13:01,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e850cc6 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 14:13:01,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:01" (2/2) ... [2024-08-14 14:13:01,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:13:01,921 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_3_7.i[1226,1239] [2024-08-14 14:13:01,954 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_3_7.i[2828,2841] [2024-08-14 14:13:01,959 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:01,969 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:13:01,979 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_3_7.i[1226,1239] [2024-08-14 14:13:01,988 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_3_7.i[2828,2841] [2024-08-14 14:13:01,989 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:02,006 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:13:02,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02 WrapperNode [2024-08-14 14:13:02,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:02,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:13:02,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:13:02,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:13:02,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,068 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 14:13:02,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:13:02,082 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:13:02,082 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:13:02,082 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:13:02,083 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (1/1) ... [2024-08-14 14:13:02,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:13:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:13:02,112 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 14:13:02,114 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 14:13:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:13:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:13:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:13:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-14 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-14 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-14 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2024-08-14 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-14 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-14 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-14 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-14 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-14 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:13:02,241 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:13:02,244 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:13:02,478 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-08-14 14:13:02,478 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:13:02,494 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:13:02,496 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:13:02,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:02 BoogieIcfgContainer [2024-08-14 14:13:02,498 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:13:02,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:13:02,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:13:02,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:13:02,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:13:00" (1/4) ... [2024-08-14 14:13:02,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b1f2a 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 14:13:02,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:13:01" (2/4) ... [2024-08-14 14:13:02,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b1f2a 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 14:13:02,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:02" (3/4) ... [2024-08-14 14:13:02,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b1f2a 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 14:13:02,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:02" (4/4) ... [2024-08-14 14:13:02,511 INFO L119 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_3_7.i [2024-08-14 14:13:02,511 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:13:02,537 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:13:02,538 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:13:02,567 INFO L92 WitnessUtils]: Constructing product of automaton with 66 states and violation witness of the following lengths: [19] [2024-08-14 14:13:02,570 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 66 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 13 states have call successors, (13), 9 states have call predecessors, (13), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-08-14 14:13:02,643 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 118 states to 44 states. [2024-08-14 14:13:02,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:13:02,675 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;@7cc02805, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:13:02,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:13:02,678 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2024-08-14 14:13:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-08-14 14:13:02,683 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:13:02,684 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:13:02,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:13:02,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:13:02,692 INFO L85 PathProgramCache]: Analyzing trace with hash -324110529, now seen corresponding path program 1 times [2024-08-14 14:13:02,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:13:02,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634794653] [2024-08-14 14:13:02,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:13:02,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:13:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:13:02,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:13:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:13:02,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:13:02,857 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:13:02,859 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:13:02,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:13:02,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:13:02,866 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:13:02,870 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:13:02,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:13:02 BoogieIcfgContainer [2024-08-14 14:13:02,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:13:02,888 INFO L158 Benchmark]: Toolchain (without parser) took 1153.99ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 102.1MB in the beginning and 152.4MB in the end (delta: -50.4MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,888 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 159.4MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:02,888 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:02,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.06ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 89.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,890 INFO L158 Benchmark]: Boogie Preprocessor took 73.13ms. Allocated memory is still 159.4MB. Free memory was 89.1MB in the beginning and 86.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,890 INFO L158 Benchmark]: IcfgBuilder took 416.45ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 86.7MB in the beginning and 174.5MB in the end (delta: -87.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,891 INFO L158 Benchmark]: TraceAbstraction took 386.32ms. Allocated memory is still 209.7MB. Free memory was 174.5MB in the beginning and 152.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-14 14:13:02,895 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 0.23ms. Allocated memory is still 159.4MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.06ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 89.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.13ms. Allocated memory is still 159.4MB. Free memory was 89.1MB in the beginning and 86.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 416.45ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 86.7MB in the beginning and 174.5MB in the end (delta: -87.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 386.32ms. Allocated memory is still 209.7MB. Free memory was 174.5MB in the beginning and 152.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. 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 97. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f) VAL [\old(cond)=1] [L75] COND FALSE !(!cond) VAL [\old(cond)=1] [L91] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L93] CALL, EXPR f(IN) 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] [L93] RET, EXPR f(IN) VAL [IN=111] [L93] CALL, EXPR fp(IN) 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] [L93] RET, EXPR fp(IN) VAL [IN=111] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=112] [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)=112] [L95] RET, EXPR f(x) VAL [IN=111, x=112] [L95] CALL, EXPR fp(x) VAL [\old(x)=112] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=112] [L95] RET, EXPR fp(x) VAL [IN=111, x=112] [L95] x = x - f(x)/fp(x) [L97] CALL, EXPR f(x) 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] [L97] RET, EXPR f(x) VAL [IN=111, x=110] [L97] CALL, EXPR fp(x) 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] [L97] RET, EXPR fp(x) VAL [IN=111, x=110] [L97] x = x - f(x)/fp(x) [L101] COND TRUE !(x < 0.1) VAL [IN=111] [L102] reach_error() VAL [IN=111] - UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 69 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-14 14:13:02,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/gcd_1+newton_3_7.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/gcd_1+newton_3_7.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 14:13:05,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:13:05,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:13:05,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:13:05,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:13:05,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:13:05,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:13:05,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:13:05,293 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:13:05,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:13:05,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:13:05,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:13:05,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:13:05,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:13:05,295 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:13:05,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:13:05,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:13:05,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:13:05,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:13:05,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:13:05,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:13:05,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:13:05,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:13:05,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:13:05,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:13:05,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:13:05,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:13:05,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:13:05,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:13:05,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:13:05,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:13:05,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:13:05,314 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:13:05,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:13:05,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:13:05,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:13:05,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:13:05,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:13:05,317 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:13:05,317 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:13:05,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:13:05,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:13:05,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:13:05,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:13:05,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:13:05,318 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:13:05,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:13:05,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:13:05,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:13:05,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:13:05,660 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:13:05,660 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:13:05,663 INFO L431 ainManager$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_3_7.yml/witness.yml [2024-08-14 14:13:05,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:13:05,743 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:13:05,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_1+newton_3_7.i [2024-08-14 14:13:07,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:13:07,506 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:13:07,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_1+newton_3_7.i [2024-08-14 14:13:07,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f987b9b/ce0673cd44d242edbc7cf5b0aedd3967/FLAGf5ccd37cf [2024-08-14 14:13:07,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f987b9b/ce0673cd44d242edbc7cf5b0aedd3967 [2024-08-14 14:13:07,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:13:07,536 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:13:07,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:07,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:13:07,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:13:07,545 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 14:13:07,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f59e4a 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 14:13:07,546 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 14:13:07,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20052163 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 14:13:07,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:07" (2/2) ... [2024-08-14 14:13:07,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f59e4a 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 14:13:07,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:13:07" (2/2) ... [2024-08-14 14:13:07,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:13:07,772 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_3_7.i[1226,1239] [2024-08-14 14:13:07,814 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_1+newton_3_7.i[2828,2841] [2024-08-14 14:13:07,819 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:07,835 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:13:07,850 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_3_7.i[1226,1239] [2024-08-14 14:13:07,869 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_3_7.i[2828,2841] [2024-08-14 14:13:07,870 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:07,890 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:13:07,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:13:07 WrapperNode [2024-08-14 14:13:07,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:07,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:13:07,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:13:07,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:13:07,905 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 14:13:07,905 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 14:13:07,919 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 14:13:07,939 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 14:13:07,939 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 14:13:07,939 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 14:13:07,955 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 14:13:07,957 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 14:13:07,962 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 14:13:07,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:13:07,971 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:13:07,971 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:13:07,971 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:13:07,972 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 14:13:07,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:13:07,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:13:08,011 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 14:13:08,020 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 14:13:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:13:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:13:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:13:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:13:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:13:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2024-08-14 14:13:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:13:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:13:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-14 14:13:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-14 14:13:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:13:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:13:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:13:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:13:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:13:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:13:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:13:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:13:08,074 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 14:13:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:13:08,076 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 14:13:08,078 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 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-08-14 14:13:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:13:08,192 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:13:08,195 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:13:34,727 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-08-14 14:13:34,728 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:13:34,738 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:13:34,739 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:13:34,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:34 BoogieIcfgContainer [2024-08-14 14:13:34,740 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:13:34,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:13:34,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:13:34,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:13:34,746 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 14:13:34,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e244eb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:13:34, skipping insertion in model container [2024-08-14 14:13:34,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:13:07" (2/4) ... [2024-08-14 14:13:34,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e244eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:13:34, skipping insertion in model container [2024-08-14 14:13:34,747 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 14:13:34,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e244eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:13:34, skipping insertion in model container [2024-08-14 14:13:34,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:34" (4/4) ... [2024-08-14 14:13:34,749 INFO L119 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_3_7.i [2024-08-14 14:13:34,749 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:13:34,767 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:13:34,767 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:13:34,792 INFO L92 WitnessUtils]: Constructing product of automaton with 64 states and violation witness of the following lengths: [19] [2024-08-14 14:13:34,795 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 64 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 43 states have internal predecessors, (50), 13 states have call successors, (13), 9 states have call predecessors, (13), 9 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-08-14 14:13:34,876 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 114 states to 44 states. [2024-08-14 14:13:34,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:13:34,905 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;@2f89ad3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:13:34,906 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:13:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2024-08-14 14:13:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-08-14 14:13:34,912 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:13:34,913 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:13:34,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main2Err0ASSERT_VIOLATIONERROR_FUNCTION === [main2Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:13:34,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:13:34,919 INFO L85 PathProgramCache]: Analyzing trace with hash -582731482, now seen corresponding path program 1 times [2024-08-14 14:13:34,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:13:34,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980581955] [2024-08-14 14:13:34,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:13:34,932 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 14:13:34,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:13:34,952 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 14:13:34,954 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 14:14:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:14:03,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:15:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:15:32,029 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:15:32,031 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:15:32,032 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:32,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:32,145 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 14:15:32,234 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 14:15:32,238 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:15:32,242 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:32,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:32 BoogieIcfgContainer [2024-08-14 14:15:32,269 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:32,270 INFO L158 Benchmark]: Toolchain (without parser) took 144734.09ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 41.5MB in the end (delta: -10.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:32,271 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 41.9MB. Free memory was 25.1MB in the beginning and 25.0MB in the end (delta: 71.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:32,273 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 41.9MB. Free memory was 22.3MB in the beginning and 22.3MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:32,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.33ms. Allocated memory is still 58.7MB. Free memory was 30.4MB in the beginning and 33.3MB in the end (delta: -3.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-08-14 14:15:32,274 INFO L158 Benchmark]: Boogie Preprocessor took 77.67ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 30.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:32,274 INFO L158 Benchmark]: IcfgBuilder took 26769.31ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 44.6MB in the end (delta: -14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:15:32,275 INFO L158 Benchmark]: TraceAbstraction took 117526.39ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.5MB in the end (delta: 2.4MB). Peak memory consumption was 651.5kB. Max. memory is 16.1GB. [2024-08-14 14:15:32,278 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 0.19ms. Allocated memory is still 41.9MB. Free memory was 25.1MB in the beginning and 25.0MB in the end (delta: 71.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 41.9MB. Free memory was 22.3MB in the beginning and 22.3MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.33ms. Allocated memory is still 58.7MB. Free memory was 30.4MB in the beginning and 33.3MB in the end (delta: -3.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.67ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 30.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 26769.31ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 44.6MB in the end (delta: -14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 117526.39ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.5MB in the end (delta: 2.4MB). Peak memory consumption was 651.5kB. 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 > -1.4f && IN < 1.4f) VAL [\old(cond)=1] [L75] COND FALSE !(!cond) VAL [\old(cond)=1] [L91] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) VAL [IN=-1.3204967975616455] [L93] CALL, EXPR f(IN) VAL [\old(x)=-1.3204967975616455] [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)=-1.3204967975616455, \result=-0.971583366394043] [L93] RET, EXPR f(IN) VAL [IN=-1.3204967975616455] [L93] CALL, EXPR fp(IN) VAL [\old(x)=-1.3204967975616455] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.3204967975616455, \result=0.26219648122787476] [L93] RET, EXPR fp(IN) VAL [IN=-1.3204967975616455] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=2.3850576877593994] [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)=2.3850576877593994, \result=0.8540842533111572] [L95] RET, EXPR f(x) VAL [x=2.3850576877593994] [L95] CALL, EXPR fp(x) VAL [\old(x)=2.3850576877593994] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2.3850576877593994, \result=-0.24029815196990967] [L95] RET, EXPR fp(x) VAL [x=2.3850576877593994] [L95] x = x - f(x)/fp(x) [L97] CALL, EXPR f(x) VAL [\old(x)=5.939326286315918] [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)=5.939326286315918, \result=84.33814239501953] [L97] RET, EXPR f(x) VAL [x=5.939326286315918] [L97] CALL, EXPR fp(x) VAL [\old(x)=5.939326286315918] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=5.939326286315918, \result=96.17726135253906] [L97] RET, EXPR fp(x) VAL [x=5.939326286315918] [L97] 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, 73 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 117.4s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 28.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-14 14:15:32,371 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