./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:48:53,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:48:53,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:48:53,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:48:53,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:48:53,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:48:53,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:48:53,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:48:53,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:48:53,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:48:53,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:48:53,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:48:53,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:48:53,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:48:53,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:48:53,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:48:53,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:48:53,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:48:53,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:48:53,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:48:53,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:48:53,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:48:53,850 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:48:53,851 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:48:53,851 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:48:53,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:48:53,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:53,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:48:53,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:48:53,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:48:53,854 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:48:53,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:48:53,854 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:48:53,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 [2023-12-02 21:48:54,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:48:54,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:48:54,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:48:54,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:48:54,151 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:48:54,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2023-12-02 21:48:57,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:48:57,306 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:48:57,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2023-12-02 21:48:57,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/data/5e2093784/5e841cd09b844f629ad7753f0f92a894/FLAG7a6aed69d [2023-12-02 21:48:57,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/data/5e2093784/5e841cd09b844f629ad7753f0f92a894 [2023-12-02 21:48:57,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:48:57,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:48:57,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:57,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:48:57,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:48:57,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d96cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57, skipping insertion in model container [2023-12-02 21:48:57,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:48:57,558 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i[919,932] [2023-12-02 21:48:57,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:57,661 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:48:57,676 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i[919,932] [2023-12-02 21:48:57,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:57,743 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:48:57,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57 WrapperNode [2023-12-02 21:48:57,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:57,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:57,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:48:57,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:48:57,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,814 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 307 [2023-12-02 21:48:57,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:57,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:48:57,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:48:57,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:48:57,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:48:57,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:48:57,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:48:57,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:48:57,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:57" (1/1) ... [2023-12-02 21:48:57,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:57,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:48:57,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:48:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:48:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:48:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:48:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:48:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:48:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:48:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:48:58,064 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:48:58,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:48:58,590 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:48:58,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:48:58,929 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:48:58,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:58 BoogieIcfgContainer [2023-12-02 21:48:58,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:48:58,932 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:48:58,932 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:48:58,943 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:48:58,943 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:58" (1/1) ... [2023-12-02 21:48:58,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:48:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 131 transitions. [2023-12-02 21:48:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2023-12-02 21:48:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-02 21:48:59,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:59,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 100 conjunts are in the unsatisfiable core [2023-12-02 21:48:59,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:38,864 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 1260 DAG size of output: 1255 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDml.applyElimination) [2023-12-02 21:57:13,946 WARN L293 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 1259 DAG size of output: 1254 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDml.applyElimination) [2023-12-02 21:59:34,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 846 proven. 400 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2023-12-02 21:59:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 160 states and 350 transitions. [2023-12-02 21:59:38,724 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 350 transitions. [2023-12-02 21:59:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-12-02 21:59:38,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:59:49,006 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:59:49,010 INFO L158 Benchmark]: Toolchain (without parser) took 651670.17ms. Allocated memory was 144.7MB in the beginning and 962.6MB in the end (delta: 817.9MB). Free memory was 104.0MB in the beginning and 885.5MB in the end (delta: -781.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-12-02 21:59:49,010 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:59:49,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.77ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 87.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:59:49,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.26ms. Allocated memory is still 144.7MB. Free memory was 87.0MB in the beginning and 81.5MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:59:49,012 INFO L158 Benchmark]: Boogie Preprocessor took 60.00ms. Allocated memory is still 144.7MB. Free memory was 81.4MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:59:49,013 INFO L158 Benchmark]: RCFGBuilder took 1055.62ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 78.3MB in the beginning and 85.1MB in the end (delta: -6.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-12-02 21:59:49,013 INFO L158 Benchmark]: CodeCheck took 650076.30ms. Allocated memory was 182.5MB in the beginning and 962.6MB in the end (delta: 780.1MB). Free memory was 85.1MB in the beginning and 885.5MB in the end (delta: -800.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:59:49,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.77ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 87.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.26ms. Allocated memory is still 144.7MB. Free memory was 87.0MB in the beginning and 81.5MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.00ms. Allocated memory is still 144.7MB. Free memory was 81.4MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1055.62ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 78.3MB in the beginning and 85.1MB in the end (delta: -6.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * CodeCheck took 650076.30ms. Allocated memory was 182.5MB in the beginning and 962.6MB in the end (delta: 780.1MB). Free memory was 85.1MB in the beginning and 885.5MB in the end (delta: -800.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:59:49,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:59:50,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:59:51,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:59:51,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:59:51,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:59:51,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:59:51,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:59:51,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:59:51,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:59:51,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:59:51,073 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:59:51,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:59:51,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:59:51,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:59:51,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:59:51,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:59:51,076 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:59:51,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:59:51,078 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:59:51,078 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:59:51,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:59:51,079 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:59:51,080 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:59:51,080 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:59:51,081 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:59:51,081 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:51,082 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:59:51,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:59:51,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:59:51,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:59:51,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:59:51,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:59:51,085 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:59:51,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:51,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:59:51,086 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:59:51,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:59:51,086 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 [2023-12-02 21:59:51,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:59:51,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:59:51,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:59:51,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:59:51,381 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:59:51,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2023-12-02 21:59:54,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:59:54,375 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:59:54,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2023-12-02 21:59:54,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/data/81075d329/cc8df2edebcf4b0aa14fde7b75fb4ed6/FLAGb46f2c8f8 [2023-12-02 21:59:54,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/data/81075d329/cc8df2edebcf4b0aa14fde7b75fb4ed6 [2023-12-02 21:59:54,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:59:54,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:59:54,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:59:54,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:59:54,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:59:54,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fbc5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54, skipping insertion in model container [2023-12-02 21:59:54,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:59:54,603 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i[919,932] [2023-12-02 21:59:54,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:59:54,695 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:59:54,708 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i[919,932] [2023-12-02 21:59:54,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:59:54,767 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:59:54,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54 WrapperNode [2023-12-02 21:59:54,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:59:54,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:59:54,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:59:54,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:59:54,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,823 INFO L138 Inliner]: procedures = 27, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 251 [2023-12-02 21:59:54,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:59:54,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:59:54,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:59:54,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:59:54,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:59:54,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:59:54,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:59:54,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:59:54,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:59:54" (1/1) ... [2023-12-02 21:59:54,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:59:54,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:59:54,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:59:54,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:59:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:59:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:59:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:59:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:59:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:59:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:59:55,053 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:59:55,056 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:59:56,369 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:59:56,583 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:59:56,583 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:59:56,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:59:56 BoogieIcfgContainer [2023-12-02 21:59:56,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:59:56,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:59:56,586 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:59:56,596 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:59:56,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:59:56" (1/1) ... [2023-12-02 21:59:56,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:59:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 131 transitions. [2023-12-02 21:59:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2023-12-02 21:59:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-02 21:59:56,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:56,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:56,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:59:56,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:59:56,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a4fbd6-8f7b-41ad-ac15-aaa9761f4a59/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:59:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:57,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:57,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:59:57,945 INFO L285 TraceCheckSpWp]: Computing forward predicates...