./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 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/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-2699826-m [2024-08-14 14:24:19,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:24:19,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-08-14 14:24:19,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:24:19,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:24:20,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:24:20,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:24:20,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:24:20,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:24:20,031 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:24:20,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:24:20,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:24:20,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:24:20,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:24:20,034 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:24:20,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:24:20,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:24:20,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:24:20,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:24:20,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:24:20,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:24:20,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:24:20,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:24:20,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:24:20,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:24:20,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:24:20,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:24:20,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:24:20,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:24:20,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:24:20,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:24:20,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:24:20,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:24:20,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:24:20,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:24:20,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:24:20,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:24:20,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:24:20,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:24:20,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:24:20,043 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:24:20,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:24:20,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:24:20,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:24:20,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:24:20,392 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:24:20,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-08-14 14:24:21,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:24:22,059 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:24:22,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-08-14 14:24:22,072 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08a236daa/417fef0953e4481db0efd6539f9e5b8f/FLAGfa8ab1e56 [2024-08-14 14:24:22,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08a236daa/417fef0953e4481db0efd6539f9e5b8f [2024-08-14 14:24:22,094 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:24:22,096 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:24:22,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.count2.yml/witness.yml [2024-08-14 14:24:22,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:24:22,187 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:24:22,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:24:22,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:24:22,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:24:22,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:24:22" (1/2) ... [2024-08-14 14:24:22,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b9dad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:24:22, skipping insertion in model container [2024-08-14 14:24:22,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:24:22" (1/2) ... [2024-08-14 14:24:22,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68be7710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:24:22, skipping insertion in model container [2024-08-14 14:24:22,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:24:22" (2/2) ... [2024-08-14 14:24:22,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b9dad8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22, skipping insertion in model container [2024-08-14 14:24:22,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:24:22" (2/2) ... [2024-08-14 14:24:22,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:24:22,392 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] [2024-08-14 14:24:22,418 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:24:22,438 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:24:22,448 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] [2024-08-14 14:24:22,457 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:24:22,470 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:24:22,471 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22 WrapperNode [2024-08-14 14:24:22,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:24:22,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:24:22,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:24:22,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:24:22,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,510 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]. [2024-08-14 14:24:22,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:24:22,521 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:24:22,521 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:24:22,522 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:24:22,523 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (1/1) ... [2024-08-14 14:24:22,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:24:22,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:24:22,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:24:22,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:24:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:24:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:24:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:24:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:24:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:24:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:24:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2024-08-14 14:24:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-08-14 14:24:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:24:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:24:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:24:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:24:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:24:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:24:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:24:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:24:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:24:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:24:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:24:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:24:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:24:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:24:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:24:22,727 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:24:22,738 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:24:22,991 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-08-14 14:24:22,991 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:24:23,006 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:24:23,006 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:24:23,007 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:24:23 BoogieIcfgContainer [2024-08-14 14:24:23,007 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:24:23,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:24:23,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:24:23,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:24:23,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:24:22" (1/4) ... [2024-08-14 14:24:23,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b41805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:24:23, skipping insertion in model container [2024-08-14 14:24:23,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:24:22" (2/4) ... [2024-08-14 14:24:23,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b41805 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:24:23, skipping insertion in model container [2024-08-14 14:24:23,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:22" (3/4) ... [2024-08-14 14:24:23,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b41805 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:24:23, skipping insertion in model container [2024-08-14 14:24:23,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:24:23" (4/4) ... [2024-08-14 14:24:23,019 INFO L119 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.count2.c [2024-08-14 14:24:23,019 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:24:23,046 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:24:23,047 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:24:23,076 INFO L92 WitnessUtils]: Constructing product of automaton with 27 states and violation witness of the following lengths: [24] [2024-08-14 14:24:23,085 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:24:23,171 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 267 states to 175 states. [2024-08-14 14:24:23,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:24:23,193 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;@e96f0d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:24:23,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:24:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2024-08-14 14:24:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-08-14 14:24:23,204 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:24:23,205 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:24:23,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:24:23,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:24:23,210 INFO L85 PathProgramCache]: Analyzing trace with hash 969483526, now seen corresponding path program 1 times [2024-08-14 14:24:23,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:24:23,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292702214] [2024-08-14 14:24:23,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:24:23,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:24:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:24:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-08-14 14:24:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-08-14 14:24:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-08-14 14:24:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-08-14 14:24:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-08-14 14:24:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-08-14 14:24:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-08-14 14:24:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-08-14 14:24:24,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:24:24,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292702214] [2024-08-14 14:24:24,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292702214] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 14:24:24,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923978968] [2024-08-14 14:24:24,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:24:24,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 14:24:24,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:24:24,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 14:24:24,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-08-14 14:24:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:24,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 44 conjunts are in the unsatisfiable core [2024-08-14 14:24:24,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 14:24:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-08-14 14:24:25,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 14:24:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 69 proven. 26 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-08-14 14:24:25,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923978968] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 14:24:25,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 14:24:25,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 12] total 21 [2024-08-14 14:24:25,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50190764] [2024-08-14 14:24:25,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 14:24:25,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-08-14 14:24:25,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:24:25,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-08-14 14:24:25,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-08-14 14:24:25,633 INFO L87 Difference]: Start difference. First operand 175 states. 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) [2024-08-14 14:24:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:24:26,126 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2024-08-14 14:24:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-14 14:24:26,132 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 [2024-08-14 14:24:26,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:24:26,134 INFO L225 Difference]: With dead ends: 111 [2024-08-14 14:24:26,135 INFO L226 Difference]: Without dead ends: 104 [2024-08-14 14:24:26,137 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 [2024-08-14 14:24:26,140 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 [2024-08-14 14:24:26,141 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] [2024-08-14 14:24:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-08-14 14:24:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 97. [2024-08-14 14:24:26,183 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) [2024-08-14 14:24:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2024-08-14 14:24:26,191 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 76 [2024-08-14 14:24:26,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:24:26,191 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2024-08-14 14:24:26,191 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) [2024-08-14 14:24:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2024-08-14 14:24:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-08-14 14:24:26,194 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:24:26,194 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] [2024-08-14 14:24:26,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-08-14 14:24:26,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-08-14 14:24:26,395 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:24:26,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:24:26,396 INFO L85 PathProgramCache]: Analyzing trace with hash 769591605, now seen corresponding path program 1 times [2024-08-14 14:24:26,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:24:26,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232884182] [2024-08-14 14:24:26,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:24:26,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:24:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:24:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-08-14 14:24:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-08-14 14:24:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-08-14 14:24:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-08-14 14:24:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-08-14 14:24:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-08-14 14:24:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-08-14 14:24:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 64 proven. 4 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-08-14 14:24:26,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:24:26,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232884182] [2024-08-14 14:24:26,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232884182] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 14:24:26,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128873699] [2024-08-14 14:24:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:24:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 14:24:26,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:24:26,848 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) [2024-08-14 14:24:26,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-14 14:24:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:24:26,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 62 conjunts are in the unsatisfiable core [2024-08-14 14:24:26,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 14:24:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 90 proven. 25 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-08-14 14:24:27,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 14:24:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-08-14 14:24:27,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128873699] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 14:24:27,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 14:24:27,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 13] total 23 [2024-08-14 14:24:27,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70341224] [2024-08-14 14:24:27,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 14:24:27,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-08-14 14:24:27,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:24:27,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-08-14 14:24:27,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-08-14 14:24:27,648 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) [2024-08-14 14:24:28,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:24:28,023 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2024-08-14 14:24:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-14 14:24:28,023 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 [2024-08-14 14:24:28,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:24:28,025 INFO L225 Difference]: With dead ends: 108 [2024-08-14 14:24:28,028 INFO L226 Difference]: Without dead ends: 90 [2024-08-14 14:24:28,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2024-08-14 14:24:28,030 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-14 14:24:28,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 144 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-14 14:24:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-08-14 14:24:28,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-08-14 14:24:28,042 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) [2024-08-14 14:24:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 93 transitions. [2024-08-14 14:24:28,045 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 93 transitions. Word has length 82 [2024-08-14 14:24:28,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:24:28,045 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 93 transitions. [2024-08-14 14:24:28,046 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) [2024-08-14 14:24:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 93 transitions. [2024-08-14 14:24:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-08-14 14:24:28,050 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:24:28,050 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] [2024-08-14 14:24:28,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-14 14:24:28,251 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 [2024-08-14 14:24:28,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:24:28,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:24:28,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1239215460, now seen corresponding path program 1 times [2024-08-14 14:24:28,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:24:28,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490846694] [2024-08-14 14:24:28,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:24:28,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:24:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:24:28,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:24:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:24:28,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:24:28,504 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:24:28,505 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:24:28,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 14:24:28,510 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-08-14 14:24:28,514 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:24:28,564 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:24:28 BoogieIcfgContainer [2024-08-14 14:24:28,564 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:24:28,565 INFO L158 Benchmark]: Toolchain (without parser) took 6377.93ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 145.0MB in the beginning and 108.5MB in the end (delta: 36.6MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-08-14 14:24:28,566 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:24:28,566 INFO L158 Benchmark]: Witness Parser took 1.05ms. Allocated memory is still 180.4MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:24:28,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.30ms. Allocated memory is still 180.4MB. Free memory was 144.0MB in the beginning and 132.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:24:28,569 INFO L158 Benchmark]: Boogie Preprocessor took 48.23ms. Allocated memory is still 180.4MB. Free memory was 132.4MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:24:28,569 INFO L158 Benchmark]: IcfgBuilder took 486.13ms. Allocated memory is still 180.4MB. Free memory was 130.4MB in the beginning and 142.1MB in the end (delta: -11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-14 14:24:28,570 INFO L158 Benchmark]: TraceAbstraction took 5555.48ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 141.0MB in the beginning and 108.5MB in the end (delta: 32.5MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2024-08-14 14:24:28,571 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.05ms. Allocated memory is still 180.4MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.30ms. Allocated memory is still 180.4MB. Free memory was 144.0MB in the beginning and 132.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.23ms. Allocated memory is still 180.4MB. Free memory was 132.4MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 486.13ms. Allocated memory is still 180.4MB. Free memory was 130.4MB in the beginning and 142.1MB in the end (delta: -11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5555.48ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 141.0MB in the beginning and 108.5MB in the end (delta: 32.5MB). Peak memory consumption was 72.4MB. 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: 5.4s, OverallIterations: 3, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 321 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 298 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 557 IncrementalHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 23 mSDtfsCounter, 557 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, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s 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 [2024-08-14 14:24:28,611 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-2699826-m [2024-08-14 14:24:30,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:24:30,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-08-14 14:24:30,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:24:30,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:24:31,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:24:31,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:24:31,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:24:31,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:24:31,026 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:24:31,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:24:31,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:24:31,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:24:31,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:24:31,030 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:24:31,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:24:31,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:24:31,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:24:31,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:24:31,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:24:31,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:24:31,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:24:31,036 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:24:31,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:24:31,037 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:24:31,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:24:31,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:24:31,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:24:31,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:24:31,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:24:31,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:24:31,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:24:31,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:24:31,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:24:31,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:24:31,042 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:24:31,042 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:24:31,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:24:31,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:24:31,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:24:31,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:24:31,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:24:31,043 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:24:31,043 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:24:31,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:24:31,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:24:31,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:24:31,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:24:31,405 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:24:31,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-08-14 14:24:32,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:24:33,098 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:24:33,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-08-14 14:24:33,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16bc075e1/5365fc3781c34640a2bc63cb6f03153e/FLAG271153d04 [2024-08-14 14:24:33,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16bc075e1/5365fc3781c34640a2bc63cb6f03153e [2024-08-14 14:24:33,490 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:24:33,491 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:24:33,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.count2.yml/witness.yml [2024-08-14 14:24:33,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:24:33,593 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:24:33,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:24:33,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:24:33,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:24:33,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:24:33" (1/2) ... [2024-08-14 14:24:33,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b46375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:24:33, skipping insertion in model container [2024-08-14 14:24:33,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:24:33" (1/2) ... [2024-08-14 14:24:33,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74b5bf15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:24:33, skipping insertion in model container [2024-08-14 14:24:33,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:24:33" (2/2) ... [2024-08-14 14:24:33,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b46375 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33, skipping insertion in model container [2024-08-14 14:24:33,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:24:33" (2/2) ... [2024-08-14 14:24:33,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:24:33,789 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] [2024-08-14 14:24:33,825 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:24:33,840 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:24:33,852 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] [2024-08-14 14:24:33,867 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:24:33,885 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:24:33,887 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33 WrapperNode [2024-08-14 14:24:33,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:24:33,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:24:33,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:24:33,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:24:33,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,924 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]. [2024-08-14 14:24:33,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:24:33,941 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:24:33,941 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:24:33,941 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:24:33,942 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (1/1) ... [2024-08-14 14:24:33,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:24:33,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:24:33,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:24:33,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:24:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:24:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:24:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:24:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:24:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:24:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:24:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2024-08-14 14:24:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-08-14 14:24:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:24:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:24:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:24:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:24:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:24:34,115 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:24:34,117 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:24:34,297 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-08-14 14:24:34,298 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:24:34,307 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:24:34,308 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:24:34,308 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:24:34 BoogieIcfgContainer [2024-08-14 14:24:34,308 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:24:34,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:24:34,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:24:34,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:24:34,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:24:33" (1/4) ... [2024-08-14 14:24:34,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e938e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:24:34, skipping insertion in model container [2024-08-14 14:24:34,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:24:33" (2/4) ... [2024-08-14 14:24:34,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e938e1c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:24:34, skipping insertion in model container [2024-08-14 14:24:34,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:24:33" (3/4) ... [2024-08-14 14:24:34,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e938e1c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:24:34, skipping insertion in model container [2024-08-14 14:24:34,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:24:34" (4/4) ... [2024-08-14 14:24:34,320 INFO L119 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.count2.c [2024-08-14 14:24:34,320 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:24:34,341 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:24:34,343 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:24:34,384 INFO L92 WitnessUtils]: Constructing product of automaton with 21 states and violation witness of the following lengths: [24] [2024-08-14 14:24:34,388 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 21 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:24:34,470 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 216 states to 124 states. [2024-08-14 14:24:34,494 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:24:34,500 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;@5458b5b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:24:34,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:24:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2024-08-14 14:24:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-08-14 14:24:34,516 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:24:34,517 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:24:34,518 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:24:34,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:24:34,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1767699551, now seen corresponding path program 1 times [2024-08-14 14:24:34,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:24:34,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786694961] [2024-08-14 14:24:34,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:24:34,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 14:24:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:24:34,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-14 14:24:34,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-14 14:24:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:24:34,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:24:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:24:34,839 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:24:34,841 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:24:34,843 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:24:34,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-08-14 14:24:35,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 14:24:35,054 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:24:35,060 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:24:35,095 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:24:35 BoogieIcfgContainer [2024-08-14 14:24:35,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:24:35,098 INFO L158 Benchmark]: Toolchain (without parser) took 1503.61ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 32.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-08-14 14:24:35,099 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:24:35,099 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 75.5MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:24:35,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.62ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 47.3MB in the end (delta: -8.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-08-14 14:24:35,100 INFO L158 Benchmark]: Boogie Preprocessor took 52.69ms. Allocated memory is still 75.5MB. Free memory was 47.3MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:24:35,100 INFO L158 Benchmark]: IcfgBuilder took 367.06ms. Allocated memory is still 75.5MB. Free memory was 44.9MB in the beginning and 32.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:24:35,101 INFO L158 Benchmark]: TraceAbstraction took 784.52ms. Allocated memory is still 75.5MB. Free memory was 31.7MB in the beginning and 32.4MB in the end (delta: -791.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:24:35,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 75.5MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.62ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 47.3MB in the end (delta: -8.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.69ms. Allocated memory is still 75.5MB. Free memory was 47.3MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 367.06ms. Allocated memory is still 75.5MB. Free memory was 44.9MB in the beginning and 32.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 784.52ms. Allocated memory is still 75.5MB. Free memory was 31.7MB in the beginning and 32.4MB in the end (delta: -791.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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: 0.7s, 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=124occurred 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! [2024-08-14 14:24:35,132 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