./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/recursified_nla-digbench/recursified_geo1-u.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/recursified_geo1-u.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/recursified_nla-digbench/recursified_geo1-u.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/recursified_geo1-u.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 14:34:30,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:34:30,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:34:30,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:34:30,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:34:30,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:34:30,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:34:30,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:34:30,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:34:30,367 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:34:30,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:34:30,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:34:30,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:34:30,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:34:30,369 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:34:30,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:34:30,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:34:30,370 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:34:30,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:34:30,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:34:30,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:34:30,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:34:30,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:34:30,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:34:30,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:34:30,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:34:30,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:34:30,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:34:30,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:34:30,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:34:30,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:34:30,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:34:30,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:34:30,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:34:30,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:34:30,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:34:30,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:34:30,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:34:30,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:34:30,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:34:30,381 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:34:30,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:34:30,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:34:30,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:34:30,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:34:30,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:34:30,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:34:30,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:34:30,650 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:34:30,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursified_nla-digbench/recursified_geo1-u.c [2024-08-14 14:34:32,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:34:32,275 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:34:32,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursified_nla-digbench/recursified_geo1-u.c [2024-08-14 14:34:32,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea7214f5/5965bd3cec3845fbba1067d96b6de8ea/FLAG1fded86b9 [2024-08-14 14:34:32,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea7214f5/5965bd3cec3845fbba1067d96b6de8ea [2024-08-14 14:34:32,679 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:34:32,680 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:34:32,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/recursified_geo1-u.yml/witness.yml [2024-08-14 14:34:32,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:34:32,736 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:34:32,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:34:32,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:34:32,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:34:32,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:34:32" (1/2) ... [2024-08-14 14:34:32,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511c4840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:32, skipping insertion in model container [2024-08-14 14:34:32,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:34:32" (1/2) ... [2024-08-14 14:34:32,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@783fcd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:32, skipping insertion in model container [2024-08-14 14:34:32,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:32" (2/2) ... [2024-08-14 14:34:32,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511c4840 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:34:32, skipping insertion in model container [2024-08-14 14:34:32,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:32" (2/2) ... [2024-08-14 14:34:32,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:34:32,948 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2024-08-14 14:34:32,960 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:34:32,970 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:34:32,980 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2024-08-14 14:34:32,991 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:34:33,006 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:34:33,006 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:34:33 WrapperNode [2024-08-14 14:34:33,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:34:33,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:34:33,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:34:33,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:34:33,019 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,019 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,028 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,051 INFO L175 MemorySlicer]: Split 27 memory accesses to 6 slices as follows [2, 4, 8, 5, 6, 2]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 2, 3, 2, 1, 1]. [2024-08-14 14:34:33,052 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,052 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,062 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,067 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,069 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:34:33,079 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:34:33,079 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:34:33,079 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:34:33,080 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 02:34:33" (1/1) ... [2024-08-14 14:34:33,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:34:33,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:34:33,115 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 14:34:33,131 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 14:34:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:34:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:34:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:34:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:34:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:34:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2024-08-14 14:34:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:34:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:34:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:34:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:34:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:34:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:34:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:34:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:34:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2024-08-14 14:34:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:34:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-14 14:34:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-08-14 14:34:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-08-14 14:34:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-08-14 14:34:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-08-14 14:34:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:34:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-14 14:34:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-08-14 14:34:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-08-14 14:34:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-08-14 14:34:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-08-14 14:34:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:34:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-14 14:34:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:34:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:34:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:34:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-14 14:34:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-08-14 14:34:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-08-14 14:34:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-08-14 14:34:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-08-14 14:34:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:34:33,295 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:34:33,297 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:34:33,403 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L78: call ULTIMATE.dealloc(~#z~0.base, ~#z~0.offset);havoc ~#z~0.base, ~#z~0.offset;call ULTIMATE.dealloc(~#k~0.base, ~#k~0.offset);havoc ~#k~0.base, ~#k~0.offset;call ULTIMATE.dealloc(~#x~0.base, ~#x~0.offset);havoc ~#x~0.base, ~#x~0.offset;call ULTIMATE.dealloc(~#y~0.base, ~#y~0.offset);havoc ~#y~0.base, ~#y~0.offset;call ULTIMATE.dealloc(~#c~0.base, ~#c~0.offset);havoc ~#c~0.base, ~#c~0.offset; [2024-08-14 14:34:33,494 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-08-14 14:34:33,494 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:34:33,502 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:34:33,503 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:34:33,503 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:34:33 BoogieIcfgContainer [2024-08-14 14:34:33,503 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:34:33,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:34:33,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:34:33,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:34:33,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:34:32" (1/4) ... [2024-08-14 14:34:33,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9d5f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:34:33, skipping insertion in model container [2024-08-14 14:34:33,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:32" (2/4) ... [2024-08-14 14:34:33,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9d5f45 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:34:33, skipping insertion in model container [2024-08-14 14:34:33,513 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 02:34:33" (3/4) ... [2024-08-14 14:34:33,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9d5f45 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:34:33, skipping insertion in model container [2024-08-14 14:34:33,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:34:33" (4/4) ... [2024-08-14 14:34:33,514 INFO L119 eAbstractionObserver]: Analyzing ICFG recursified_geo1-u.c [2024-08-14 14:34:33,514 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:34:33,536 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:34:33,536 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:34:33,565 INFO L92 WitnessUtils]: Constructing product of automaton with 29 states and violation witness of the following lengths: [9] [2024-08-14 14:34:33,573 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 29 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-08-14 14:34:33,647 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 98 states to 44 states. [2024-08-14 14:34:33,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:34:33,680 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;@6c88146c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:34:33,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:34:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2024-08-14 14:34:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-08-14 14:34:33,689 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:34:33,690 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:34:33,691 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:34:33,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:34:33,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1118915610, now seen corresponding path program 1 times [2024-08-14 14:34:33,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:34:33,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041605536] [2024-08-14 14:34:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:34:33,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:34:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-08-14 14:34:33,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438239129] [2024-08-14 14:34:33,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:34:33,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 14:34:33,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:34:33,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 14:34:33,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-08-14 14:34:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:34:34,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:34:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:34:34,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:34:34,654 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:34:34,655 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:34:34,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-08-14 14:34:34,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-08-14 14:34:34,862 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:34:34,865 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:34:34,893 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:34:34 BoogieIcfgContainer [2024-08-14 14:34:34,893 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:34:34,895 INFO L158 Benchmark]: Toolchain (without parser) took 2158.61ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 65.8MB in the end (delta: 30.0MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-08-14 14:34:34,895 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:34:34,896 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:34:34,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.62ms. Allocated memory is still 157.3MB. Free memory was 95.5MB in the beginning and 119.7MB in the end (delta: -24.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-14 14:34:34,898 INFO L158 Benchmark]: Boogie Preprocessor took 70.35ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:34:34,898 INFO L158 Benchmark]: IcfgBuilder took 424.75ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 100.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:34:34,899 INFO L158 Benchmark]: TraceAbstraction took 1387.18ms. Allocated memory is still 157.3MB. Free memory was 100.1MB in the beginning and 65.8MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-08-14 14:34:34,901 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.62ms. Allocated memory is still 157.3MB. Free memory was 95.5MB in the beginning and 119.7MB in the end (delta: -24.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.35ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 424.75ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 100.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1387.18ms. Allocated memory is still 157.3MB. Free memory was 100.1MB in the beginning and 65.8MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. 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: 42]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L78] unsigned int z; [L79] unsigned int k; [L80] unsigned long long x; [L81] unsigned long long y; [L82] unsigned long long c; [L83] z = __VERIFIER_nondet_uint() [L84] k = __VERIFIER_nondet_uint() [L85] x = 1 [L86] EXPR \read(z) [L86] y = z [L87] c = 1 VAL [c={6:0}, k={4:0}, x={8:0}, y={5:0}, z={7:0}] [L88] CALL func_to_recursive_line_28_to_36_0(&c, &y, &z, &x, &k) VAL [\old(c)={6:0}, \old(k)={4:0}, \old(x)={8:0}, \old(y)={5:0}, \old(z)={7:0}] [L54] COND TRUE 1 [L57] EXPR \read(*x) [L57] EXPR \read(*z) [L57] EXPR \read(*x) [L57] EXPR \read(*y) VAL [\old(c)={6:0}, \old(k)={4:0}, \old(x)={8:0}, \old(y)={5:0}, \old(z)={7:0}, c={6:0}, k={4:0}, x={8:0}, y={5:0}, z={7:0}] [L57] CALL __VERIFIER_assert((((((*x) * (*z)) - (*x)) - (*y)) + 1) == 0) VAL [\old(cond)=1] [L38] COND FALSE !(!cond) VAL [\old(cond)=1] [L57] RET __VERIFIER_assert((((((*x) * (*z)) - (*x)) - (*y)) + 1) == 0) VAL [\old(c)={6:0}, \old(k)={4:0}, \old(x)={8:0}, \old(y)={5:0}, \old(z)={7:0}, c={6:0}, k={4:0}, x={8:0}, y={5:0}, z={7:0}] [L58] EXPR \read(*c) [L58] EXPR \read(*k) VAL [\old(c)={6:0}, \old(k)={4:0}, \old(x)={8:0}, \old(y)={5:0}, \old(z)={7:0}, c={6:0}, k={4:0}, x={8:0}, y={5:0}, z={7:0}] [L58] COND TRUE !((*c) < (*k)) [L88] RET func_to_recursive_line_28_to_36_0(&c, &y, &z, &x, &k) VAL [c={6:0}, k={4:0}, x={8:0}, y={5:0}, z={7:0}] [L89] EXPR \read(x) [L89] EXPR \read(z) [L89] x = x * (z - 1) [L90] EXPR \read(x) [L90] EXPR \read(y) VAL [c={6:0}, k={4:0}] [L90] CALL __VERIFIER_assert(((1 + x) - y) == 0) VAL [\old(cond)=0] [L38] COND TRUE !cond VAL [\old(cond)=0] [L42] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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=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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 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 14:34:34,932 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE