./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.count2.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03fe66fa Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.count2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:18:06,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:18:06,572 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-08-15 18:18:06,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:18:06,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:18:06,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:18:06,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:18:06,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:18:06,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:18:06,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:18:06,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:18:06,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:18:06,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:18:06,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:18:06,609 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:18:06,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:18:06,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:18:06,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:18:06,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:18:06,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:18:06,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:18:06,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:18:06,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:18:06,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:18:06,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:18:06,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:18:06,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:18:06,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:18:06,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:18:06,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:18:06,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:18:06,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:18:06,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:18:06,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:18:06,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:18:06,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:18:06,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:18:06,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:18:06,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:18:06,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:18:06,618 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:18:06,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:18:06,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:18:06,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:18:06,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:18:06,878 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:18:06,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-08-15 18:18:08,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:18:08,506 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:18:08,506 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-08-15 18:18:08,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e53d6e6f/07df229b301942f7ae40d2325feb2771/FLAG3cd0b1e4b [2024-08-15 18:18:08,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e53d6e6f/07df229b301942f7ae40d2325feb2771 [2024-08-15 18:18:08,883 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:18:08,884 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:18:08,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.count2.yml/witness.yml [2024-08-15 18:18:08,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:18:08,965 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:18:08,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:18:08,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:18:08,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:18:08,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:18:08" (1/2) ... [2024-08-15 18:18:08,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b0eddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:08, skipping insertion in model container [2024-08-15 18:18:08,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:18:08" (1/2) ... [2024-08-15 18:18:08,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13e719ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:08, skipping insertion in model container [2024-08-15 18:18:08,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:18:08" (2/2) ... [2024-08-15 18:18:08,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b0eddd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:08, skipping insertion in model container [2024-08-15 18:18:08,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:18:08" (2/2) ... [2024-08-15 18:18:08,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:18:09,120 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c[1256,1269] [2024-08-15 18:18:09,136 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:18:09,148 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:18:09,161 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c[1256,1269] [2024-08-15 18:18:09,168 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:18:09,183 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:18:09,184 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09 WrapperNode [2024-08-15 18:18:09,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:18:09,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:18:09,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:18:09,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:18:09,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,231 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:18:09,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:18:09,249 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:18:09,249 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:18:09,249 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:18:09,250 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (1/1) ... [2024-08-15 18:18:09,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:18:09,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:18:09,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:18:09,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:18:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:18:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:18:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:18:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:18:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:18:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:18:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2024-08-15 18:18:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-08-15 18:18:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:18:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:18:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:18:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:18:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:18:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:18:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:18:09,484 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:18:09,488 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:18:09,667 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-08-15 18:18:09,667 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:18:09,678 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:18:09,678 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:18:09,678 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:18:09 BoogieIcfgContainer [2024-08-15 18:18:09,679 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:18:09,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:18:09,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:18:09,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:18:09,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:18:08" (1/4) ... [2024-08-15 18:18:09,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52428486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:18:09, skipping insertion in model container [2024-08-15 18:18:09,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:18:08" (2/4) ... [2024-08-15 18:18:09,686 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:18:09,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52428486 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:18:09, skipping insertion in model container [2024-08-15 18:18:09,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:09" (3/4) ... [2024-08-15 18:18:09,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52428486 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:18:09, skipping insertion in model container [2024-08-15 18:18:09,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:18:09" (4/4) ... [2024-08-15 18:18:09,693 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.count2.c [2024-08-15 18:18:09,708 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:18:09,708 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:18:09,735 INFO L90 WitnessUtils]: Constructing product of automaton with 27 states and violation witness of the following lengths: [24] [2024-08-15 18:18:09,810 INFO L95 WitnessUtils]: Product has 267 reachable states. [2024-08-15 18:18:09,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:18:09,830 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;@e9555fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:18:09,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:18:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 328 transitions. [2024-08-15 18:18:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-08-15 18:18:09,841 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:18:09,841 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:18:09,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:18:09,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:18:09,846 INFO L85 PathProgramCache]: Analyzing trace with hash 969483526, now seen corresponding path program 1 times [2024-08-15 18:18:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:18:09,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338175850] [2024-08-15 18:18:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:18:09,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:18:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-15 18:18:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-08-15 18:18:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-08-15 18:18:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-08-15 18:18:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:10,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-08-15 18:18:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-08-15 18:18:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-08-15 18:18:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-08-15 18:18:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-08-15 18:18:11,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-15 18:18:11,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338175850] [2024-08-15 18:18:11,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338175850] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-15 18:18:11,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372299362] [2024-08-15 18:18:11,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:18:11,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-15 18:18:11,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:18:11,037 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) [2024-08-15 18:18:11,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-08-15 18:18:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:11,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 44 conjunts are in the unsatisfiable core [2024-08-15 18:18:11,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-15 18:18:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-08-15 18:18:11,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-15 18:18:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 69 proven. 26 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-08-15 18:18:11,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372299362] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-15 18:18:11,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-15 18:18:11,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 12] total 21 [2024-08-15 18:18:11,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137139701] [2024-08-15 18:18:11,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-15 18:18:11,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-08-15 18:18:11,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-15 18:18:11,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-08-15 18:18:11,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-08-15 18:18:11,959 INFO L87 Difference]: Start difference. First operand 267 states and 328 transitions. Second operand has 21 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 20 states have internal predecessors, (53), 10 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-08-15 18:18:12,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-15 18:18:12,412 INFO L93 Difference]: Finished difference Result 118 states and 130 transitions. [2024-08-15 18:18:12,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-15 18:18:12,414 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 20 states have internal predecessors, (53), 10 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) Word has length 76 [2024-08-15 18:18:12,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-15 18:18:12,421 INFO L225 Difference]: With dead ends: 118 [2024-08-15 18:18:12,421 INFO L226 Difference]: Without dead ends: 104 [2024-08-15 18:18:12,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=150, Invalid=780, Unknown=0, NotChecked=0, Total=930 [2024-08-15 18:18:12,430 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 19 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-15 18:18:12,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 177 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-15 18:18:12,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-08-15 18:18:12,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 97. [2024-08-15 18:18:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 75 states have (on average 1.1466666666666667) internal successors, (86), 76 states have internal predecessors, (86), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-08-15 18:18:12,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2024-08-15 18:18:12,464 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 76 [2024-08-15 18:18:12,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-15 18:18:12,465 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2024-08-15 18:18:12,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 20 states have internal predecessors, (53), 10 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-08-15 18:18:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2024-08-15 18:18:12,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-08-15 18:18:12,467 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:18:12,467 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:18:12,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-08-15 18:18:12,669 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 [2024-08-15 18:18:12,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:18:12,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:18:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash 769591605, now seen corresponding path program 1 times [2024-08-15 18:18:12,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:18:12,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113068099] [2024-08-15 18:18:12,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:18:12,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:18:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-15 18:18:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-08-15 18:18:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-08-15 18:18:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-08-15 18:18:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-08-15 18:18:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-08-15 18:18:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-08-15 18:18:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-08-15 18:18:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 64 proven. 4 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-08-15 18:18:13,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-15 18:18:13,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113068099] [2024-08-15 18:18:13,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113068099] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-15 18:18:13,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104629177] [2024-08-15 18:18:13,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:18:13,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-15 18:18:13,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:18:13,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-15 18:18:13,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-15 18:18:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:18:13,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 62 conjunts are in the unsatisfiable core [2024-08-15 18:18:13,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-15 18:18:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 90 proven. 25 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-08-15 18:18:13,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-15 18:18:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-08-15 18:18:13,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104629177] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-15 18:18:13,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-15 18:18:13,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 13] total 23 [2024-08-15 18:18:13,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048445180] [2024-08-15 18:18:13,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-15 18:18:13,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-08-15 18:18:13,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-15 18:18:13,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-08-15 18:18:13,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-08-15 18:18:13,799 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 23 states, 20 states have (on average 3.3) internal successors, (66), 22 states have internal predecessors, (66), 10 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-08-15 18:18:14,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-15 18:18:14,093 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2024-08-15 18:18:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-15 18:18:14,094 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 3.3) internal successors, (66), 22 states have internal predecessors, (66), 10 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 82 [2024-08-15 18:18:14,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-15 18:18:14,095 INFO L225 Difference]: With dead ends: 108 [2024-08-15 18:18:14,095 INFO L226 Difference]: Without dead ends: 90 [2024-08-15 18:18:14,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2024-08-15 18:18:14,096 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 26 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-15 18:18:14,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 162 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-15 18:18:14,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-08-15 18:18:14,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-08-15 18:18:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 71 states have internal predecessors, (73), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-08-15 18:18:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 93 transitions. [2024-08-15 18:18:14,104 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 93 transitions. Word has length 82 [2024-08-15 18:18:14,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-15 18:18:14,104 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 93 transitions. [2024-08-15 18:18:14,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 3.3) internal successors, (66), 22 states have internal predecessors, (66), 10 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-08-15 18:18:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 93 transitions. [2024-08-15 18:18:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-08-15 18:18:14,106 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:18:14,106 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:18:14,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-15 18:18:14,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-15 18:18:14,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:18:14,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:18:14,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1239215460, now seen corresponding path program 1 times [2024-08-15 18:18:14,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:18:14,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767504418] [2024-08-15 18:18:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:18:14,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:18:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:18:14,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:18:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:18:14,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:18:14,534 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:18:14,535 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:18:14,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-15 18:18:14,540 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-08-15 18:18:14,543 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:18:14,569 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:18:14 BoogieIcfgContainer [2024-08-15 18:18:14,570 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:18:14,571 INFO L158 Benchmark]: Toolchain (without parser) took 5605.53ms. Allocated memory was 182.5MB in the beginning and 291.5MB in the end (delta: 109.1MB). Free memory was 110.9MB in the beginning and 252.8MB in the end (delta: -141.9MB). Peak memory consumption was 127.8MB. Max. memory is 16.1GB. [2024-08-15 18:18:14,571 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:18:14,571 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 182.5MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:18:14,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.30ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 98.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-15 18:18:14,572 INFO L158 Benchmark]: Boogie Preprocessor took 62.69ms. Allocated memory is still 182.5MB. Free memory was 98.7MB in the beginning and 96.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:18:14,572 INFO L158 Benchmark]: IcfgBuilder took 429.83ms. Allocated memory is still 182.5MB. Free memory was 96.8MB in the beginning and 141.3MB in the end (delta: -44.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-08-15 18:18:14,572 INFO L158 Benchmark]: TraceAbstraction took 4889.74ms. Allocated memory was 182.5MB in the beginning and 291.5MB in the end (delta: 109.1MB). Free memory was 140.2MB in the beginning and 252.8MB in the end (delta: -112.6MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. [2024-08-15 18:18:14,574 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 182.5MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 182.5MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.30ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 98.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.69ms. Allocated memory is still 182.5MB. Free memory was 98.7MB in the beginning and 96.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 429.83ms. Allocated memory is still 182.5MB. Free memory was 96.8MB in the beginning and 141.3MB in the end (delta: -44.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4889.74ms. Allocated memory was 182.5MB in the beginning and 291.5MB in the end (delta: 109.1MB). Free memory was 140.2MB in the beginning and 252.8MB in the end (delta: -112.6MB). Peak memory consumption was 156.8MB. 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: 22]: 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 bitwiseAnd at line 55. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L30] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 1); [L31] const SORT_9 msb_SORT_9 = (SORT_9)1 << (1 - 1); [L33] const SORT_1 var_2 = 0; [L34] const SORT_1 var_5 = 1; [L35] const SORT_1 var_8 = mask_SORT_1; [L38] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L38] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=7, var_2=0, var_5=1, var_8=7] [L38] SORT_1 state_3 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 init_4_arg_1 = var_2; [L41] state_3 = init_4_arg_1 VAL [mask_SORT_1=7, state_3=0, var_5=1, var_8=7] [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=0, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=0, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=1, var_8=7] [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=1, var_8=7] [L55] EXPR var_6 & mask_SORT_1 [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_8=7] [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=1, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=1, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=2, var_8=7] [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=2, var_8=7] [L55] EXPR var_6 & mask_SORT_1 [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_8=7] [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=2, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=2, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=3, var_8=7] [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=3, var_8=7] [L55] EXPR var_6 & mask_SORT_1 [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_8=7] [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=3, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=3, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=4, var_8=7] [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=4, var_8=7] [L55] EXPR var_6 & mask_SORT_1 [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_8=7] [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=4, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=4, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=5, var_8=7] [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=5, var_8=7] [L55] EXPR var_6 & mask_SORT_1 [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_8=7] [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=5, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=5, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=6, var_8=7] [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=6, var_8=7] [L55] EXPR var_6 & mask_SORT_1 [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_8=7] [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=6, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=6, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=7, var_8=7] [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_6=7, var_8=7] [L55] EXPR var_6 & mask_SORT_1 [L55] EXPR var_6 & mask_SORT_1 VAL [bad_11_arg_0=0, mask_SORT_1=7, var_5=1, var_8=7] [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=1, mask_SORT_1=7, state_3=7, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=0] [L22] COND TRUE !(cond) VAL [\old(cond)=0] [L22] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 339 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 316 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 537 IncrementalHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 23 mSDtfsCounter, 537 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294 SizeOfPredicates, 6 NumberOfNonLiveVariables, 545 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 1280/1347 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-15 18:18:14,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.count2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:18:16,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:18:16,843 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-08-15 18:18:16,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:18:16,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:18:16,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:18:16,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:18:16,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:18:16,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:18:16,884 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:18:16,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:18:16,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:18:16,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:18:16,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:18:16,886 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:18:16,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:18:16,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:18:16,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:18:16,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:18:16,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:18:16,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:18:16,890 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:18:16,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:18:16,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:18:16,891 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:18:16,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:18:16,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:18:16,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:18:16,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:18:16,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:18:16,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:18:16,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:18:16,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:18:16,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:18:16,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:18:16,894 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:18:16,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:18:16,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:18:16,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:18:16,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:18:16,896 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:18:16,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:18:16,897 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:18:16,897 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:18:17,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:18:17,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:18:17,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:18:17,199 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:18:17,201 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:18:17,203 INFO L431 ainManager$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/btor2c-lazyMod.count2.yml/witness.yml [2024-08-15 18:18:17,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:18:17,280 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:18:17,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-08-15 18:18:18,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:18:19,059 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:18:19,059 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-08-15 18:18:19,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963a4e372/1d915059fa874df29a71a7c59ce628e4/FLAG663942747 [2024-08-15 18:18:19,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963a4e372/1d915059fa874df29a71a7c59ce628e4 [2024-08-15 18:18:19,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:18:19,101 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:18:19,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:18:19,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:18:19,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:18:19,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:18:17" (1/2) ... [2024-08-15 18:18:19,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b14466 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:19, skipping insertion in model container [2024-08-15 18:18:19,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:18:17" (1/2) ... [2024-08-15 18:18:19,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29325beb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:18:19, skipping insertion in model container [2024-08-15 18:18:19,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:18:19" (2/2) ... [2024-08-15 18:18:19,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b14466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19, skipping insertion in model container [2024-08-15 18:18:19,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:18:19" (2/2) ... [2024-08-15 18:18:19,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:18:19,281 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c[1256,1269] [2024-08-15 18:18:19,314 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:18:19,334 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:18:19,346 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c[1256,1269] [2024-08-15 18:18:19,359 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:18:19,383 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:18:19,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19 WrapperNode [2024-08-15 18:18:19,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:18:19,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:18:19,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:18:19,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:18:19,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,412 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,429 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:18:19,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:18:19,448 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:18:19,448 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:18:19,451 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:18:19,452 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (1/1) ... [2024-08-15 18:18:19,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:18:19,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:18:19,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:18:19,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:18:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:18:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:18:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:18:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:18:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:18:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:18:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2024-08-15 18:18:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:18:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:18:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:18:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:18:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:18:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:18:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:18:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:18:19,654 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:18:19,656 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:18:19,781 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-08-15 18:18:19,782 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:18:19,788 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:18:19,789 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:18:19,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:18:19 BoogieIcfgContainer [2024-08-15 18:18:19,790 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:18:19,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:18:19,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:18:19,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:18:19,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:18:17" (1/4) ... [2024-08-15 18:18:19,795 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:18:19,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ed5033 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:18:19, skipping insertion in model container [2024-08-15 18:18:19,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:18:19" (2/4) ... [2024-08-15 18:18:19,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ed5033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:18:19, skipping insertion in model container [2024-08-15 18:18:19,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:18:19" (3/4) ... [2024-08-15 18:18:19,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ed5033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:18:19, skipping insertion in model container [2024-08-15 18:18:19,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:18:19" (4/4) ... [2024-08-15 18:18:19,798 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.count2.c [2024-08-15 18:18:19,814 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:18:19,814 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:18:19,847 INFO L90 WitnessUtils]: Constructing product of automaton with 21 states and violation witness of the following lengths: [24] [2024-08-15 18:18:19,916 INFO L95 WitnessUtils]: Product has 216 reachable states. [2024-08-15 18:18:19,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:18:19,944 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;@6878ec33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:18:19,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:18:19,947 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 243 transitions. [2024-08-15 18:18:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-08-15 18:18:19,957 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:18:19,958 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:18:19,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:18:19,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:18:19,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1767699551, now seen corresponding path program 1 times [2024-08-15 18:18:19,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:18:19,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096975466] [2024-08-15 18:18:19,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:18:19,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:18:19,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:18:19,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-15 18:18:19,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-15 18:18:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:18:20,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:18:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:18:20,231 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:18:20,233 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:18:20,234 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:18:20,243 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-08-15 18:18:20,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:18:20,443 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:18:20,446 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:18:20,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:18:20 BoogieIcfgContainer [2024-08-15 18:18:20,469 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:18:20,470 INFO L158 Benchmark]: Toolchain (without parser) took 1369.46ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 37.3MB in the beginning and 57.5MB in the end (delta: -20.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-08-15 18:18:20,470 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:18:20,471 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 75.5MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:18:20,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.23ms. Allocated memory is still 75.5MB. Free memory was 37.0MB in the beginning and 48.8MB in the end (delta: -11.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-08-15 18:18:20,471 INFO L158 Benchmark]: Boogie Preprocessor took 62.50ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 46.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:18:20,472 INFO L158 Benchmark]: IcfgBuilder took 342.48ms. Allocated memory is still 75.5MB. Free memory was 46.7MB in the beginning and 34.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-15 18:18:20,472 INFO L158 Benchmark]: TraceAbstraction took 677.06ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 33.4MB in the beginning and 57.5MB in the end (delta: -24.2MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-08-15 18:18:20,474 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 0.17ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 75.5MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.23ms. Allocated memory is still 75.5MB. Free memory was 37.0MB in the beginning and 48.8MB in the end (delta: -11.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.50ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 46.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 342.48ms. Allocated memory is still 75.5MB. Free memory was 46.7MB in the beginning and 34.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 677.06ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 33.4MB in the beginning and 57.5MB in the end (delta: -24.2MB). Peak memory consumption was 1.7MB. 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: 22]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L30] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 1); [L31] const SORT_9 msb_SORT_9 = (SORT_9)1 << (1 - 1); [L33] const SORT_1 var_2 = 0; [L34] const SORT_1 var_5 = 1; [L35] const SORT_1 var_8 = mask_SORT_1; [L38] SORT_1 state_3 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 init_4_arg_1 = var_2; [L41] state_3 = init_4_arg_1 VAL [mask_SORT_1=7, state_3=0, var_5=1, var_8=7] [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=0, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=0, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=1, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=1, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=2, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=2, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=3, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=3, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=4, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=4, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=5, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=5, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=6, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=1] [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) VAL [bad_11_arg_0=0, mask_SORT_1=7, state_3=6, var_5=1, var_8=7] [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; VAL [bad_11_arg_0=1, mask_SORT_1=7, state_3=7, var_5=1, var_8=7] [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) VAL [\old(cond)=0] [L22] COND TRUE !(cond) VAL [\old(cond)=0] [L22] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 8, 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=216occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-15 18:18:20,503 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