./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk --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 64bit --witnessprinter.graph.data.programhash ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:20:47,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:20:47,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:20:47,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:20:47,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:20:47,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:20:47,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:20:47,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:20:47,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:20:47,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:20:47,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:20:47,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:20:47,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:20:47,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:20:47,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:20:47,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:20:47,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:20:47,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:20:47,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:20:47,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:20:47,954 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:20:47,959 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:20:47,959 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:20:47,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:20:47,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:47,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:20:47,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:20:47,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:20:47,962 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:20:47,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:20:47,966 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_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 [2024-11-08 23:20:48,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:20:48,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:20:48,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:20:48,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:20:48,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:20:48,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c Unable to find full path for "g++" [2024-11-08 23:20:50,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:20:50,731 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:20:50,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2024-11-08 23:20:50,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/data/075731e88/97d202c55b654577b82a3d28fe890591/FLAG937da0d71 [2024-11-08 23:20:50,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/data/075731e88/97d202c55b654577b82a3d28fe890591 [2024-11-08 23:20:50,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:20:50,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:20:50,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:50,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:20:50,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:20:50,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:50" (1/1) ... [2024-11-08 23:20:50,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb03a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:50, skipping insertion in model container [2024-11-08 23:20:50,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:50" (1/1) ... [2024-11-08 23:20:50,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:51,049 WARN L250 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_29bae230-4312-4213-b548-64e384931c57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-11-08 23:20:51,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:51,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:20:51,133 WARN L250 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_29bae230-4312-4213-b548-64e384931c57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-11-08 23:20:51,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:51,182 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:20:51,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51 WrapperNode [2024-11-08 23:20:51,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:51,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:51,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:20:51,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:20:51,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,259 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 168 [2024-11-08 23:20:51,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:51,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:20:51,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:20:51,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:20:51,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:20:51,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:20:51,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:20:51,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:20:51,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:51" (1/1) ... [2024-11-08 23:20:51,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:51,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:20:51,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:20:51,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:20:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:20:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:20:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:20:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:20:51,495 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:20:51,498 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:20:52,034 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-08 23:20:52,034 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:20:52,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:20:52,387 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:20:52,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:52 BoogieIcfgContainer [2024-11-08 23:20:52,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:20:52,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:20:52,390 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:20:52,402 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:20:52,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:52" (1/1) ... [2024-11-08 23:20:52,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:20:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:52,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:20:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:20:52,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:20:52,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:52,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:20:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:20:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:20:53,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:53,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-08 23:20:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-08 23:20:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:20:55,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:03,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2024-11-08 23:21:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2024-11-08 23:21:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:21:03,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:03,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:03,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:21:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:05,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:21:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:06,131 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-08 23:21:06,171 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:21:06,172 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:21:06,173 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:21:06,173 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:21:06,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:21:06 ImpRootNode [2024-11-08 23:21:06,189 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:21:06,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:21:06,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:21:06,191 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:21:06,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:52" (3/4) ... [2024-11-08 23:21:06,194 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:21:06,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:21:06,196 INFO L158 Benchmark]: Toolchain (without parser) took 15433.48ms. Allocated memory was 180.4MB in the beginning and 314.6MB in the end (delta: 134.2MB). Free memory was 147.0MB in the beginning and 273.1MB in the end (delta: -126.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-08 23:21:06,198 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 91.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:21:06,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.80ms. Allocated memory is still 180.4MB. Free memory was 147.0MB in the beginning and 132.5MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:21:06,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.59ms. Allocated memory is still 180.4MB. Free memory was 132.5MB in the beginning and 128.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:21:06,200 INFO L158 Benchmark]: Boogie Preprocessor took 57.38ms. Allocated memory is still 180.4MB. Free memory was 128.1MB in the beginning and 126.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:21:06,201 INFO L158 Benchmark]: RCFGBuilder took 1070.17ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 65.5MB in the end (delta: 60.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-08 23:21:06,202 INFO L158 Benchmark]: CodeCheck took 13800.02ms. Allocated memory was 180.4MB in the beginning and 314.6MB in the end (delta: 134.2MB). Free memory was 65.5MB in the beginning and 273.1MB in the end (delta: -207.6MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. [2024-11-08 23:21:06,203 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 314.6MB. Free memory is still 273.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:21:06,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 3 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/9 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - 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 50. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 2); [L31] const SORT_2 msb_SORT_2 = (SORT_2)1 << (2 - 1); [L33] const SORT_2 var_5 = 0; [L34] const SORT_2 var_10 = 1; [L35] const SORT_2 var_17 = mask_SORT_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L40] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L41] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L43] SORT_2 init_8_arg_1 = var_5; [L44] state_6 = init_8_arg_1 [L45] SORT_2 init_9_arg_1 = var_5; [L46] state_7 = init_9_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=3, state_6=0, state_7=0, var_10=1, var_17=3] [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 91.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.80ms. Allocated memory is still 180.4MB. Free memory was 147.0MB in the beginning and 132.5MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.59ms. Allocated memory is still 180.4MB. Free memory was 132.5MB in the beginning and 128.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.38ms. Allocated memory is still 180.4MB. Free memory was 128.1MB in the beginning and 126.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1070.17ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 65.5MB in the end (delta: 60.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * CodeCheck took 13800.02ms. Allocated memory was 180.4MB in the beginning and 314.6MB in the end (delta: 134.2MB). Free memory was 65.5MB in the beginning and 273.1MB in the end (delta: -207.6MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 314.6MB. Free memory is still 273.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:21:06,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk --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 64bit --witnessprinter.graph.data.programhash ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:21:08,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:21:08,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:21:08,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:21:08,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:21:08,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:21:08,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:21:08,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:21:08,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:21:08,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:21:08,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:21:08,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:21:08,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:21:08,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:21:08,961 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:21:08,962 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:21:08,962 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:21:08,962 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:21:08,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:21:08,963 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:21:08,963 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:21:08,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:21:08,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:21:08,968 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:08,968 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:21:08,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:21:08,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:21:08,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:21:08,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:21:08,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:21:08,970 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:21:08,970 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:08,970 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:21:08,971 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_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 [2024-11-08 23:21:09,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:21:09,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:21:09,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:21:09,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:21:09,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:21:09,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c Unable to find full path for "g++" [2024-11-08 23:21:11,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:21:11,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:21:11,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2024-11-08 23:21:11,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/data/68b18b024/1c1055456b5a4f03a396d7990adc83eb/FLAG40143438a [2024-11-08 23:21:12,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/data/68b18b024/1c1055456b5a4f03a396d7990adc83eb [2024-11-08 23:21:12,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:21:12,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:21:12,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:12,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:21:12,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:21:12,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5588b2c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12, skipping insertion in model container [2024-11-08 23:21:12,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:21:12,371 WARN L250 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_29bae230-4312-4213-b548-64e384931c57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-11-08 23:21:12,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:12,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:21:12,466 WARN L250 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_29bae230-4312-4213-b548-64e384931c57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-11-08 23:21:12,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:12,520 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:21:12,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12 WrapperNode [2024-11-08 23:21:12,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:12,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:12,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:21:12,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:21:12,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,577 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2024-11-08 23:21:12,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:12,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:21:12,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:21:12,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:21:12,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:21:12,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:21:12,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:21:12,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:21:12,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:12" (1/1) ... [2024-11-08 23:21:12,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:21:12,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:21:12,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:21:12,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:21:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:21:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:21:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:21:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:21:12,863 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:21:12,865 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:21:13,152 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 23:21:13,155 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:21:13,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:21:13,256 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:21:13,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:13 BoogieIcfgContainer [2024-11-08 23:21:13,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:21:13,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:21:13,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:21:13,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:21:13,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:13" (1/1) ... [2024-11-08 23:21:13,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:21:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:21:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:21:13,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:13,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:13,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:13,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:21:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:13,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:13,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:21:13,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:13,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:21:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:21:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:21:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:21:13,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:13,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:13,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:13,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:13,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:21:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:13,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:13,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:21:13,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:14,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:21:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-11-08 23:21:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-11-08 23:21:14,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:21:14,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:14,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:14,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:14,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:14,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:21:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:15,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:15,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:21:15,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:15,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:21:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2024-11-08 23:21:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2024-11-08 23:21:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:21:16,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:16,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:16,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:16,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:21:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:16,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:16,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:21:16,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:17,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:21:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 32 transitions. [2024-11-08 23:21:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 32 transitions. [2024-11-08 23:21:17,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:21:17,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:17,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:17,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:17,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:17,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:21:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:17,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:17,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:21:17,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:19,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 25 states and 55 transitions. [2024-11-08 23:21:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 55 transitions. [2024-11-08 23:21:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:21:24,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:24,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:24,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:24,248 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:24,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:21:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:24,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:24,392 WARN L253 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:21:24,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:26,563 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:21:26,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:21:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:29,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 29 states and 65 transitions. [2024-11-08 23:21:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 65 transitions. [2024-11-08 23:21:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:21:29,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:29,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:29,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:29,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:29,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:21:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:29,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:29,368 WARN L253 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:21:29,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:32,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2024-11-08 23:21:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2024-11-08 23:21:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:21:35,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:35,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:35,800 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:35,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:21:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:35,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:35,952 WARN L253 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:21:35,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:38,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 37 states and 86 transitions. [2024-11-08 23:21:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 86 transitions. [2024-11-08 23:21:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:21:40,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:40,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:40,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:40,141 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:40,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:21:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:40,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:40,292 WARN L253 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:21:40,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:43,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 23:21:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 41 states and 97 transitions. [2024-11-08 23:21:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 97 transitions. [2024-11-08 23:21:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:21:47,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:47,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:47,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:47,283 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:47,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:21:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:47,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:47,471 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 23:21:47,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:50,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:21:53,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2024-11-08 23:21:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2024-11-08 23:21:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:21:53,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:53,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:53,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:53,411 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:53,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:21:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:53,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:53,594 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 23:21:53,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:57,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:21:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 46 states and 111 transitions. [2024-11-08 23:21:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 111 transitions. [2024-11-08 23:21:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:21:58,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:58,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:58,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:58,365 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:58,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:21:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,571 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 23:21:58,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:22:02,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 48 states and 115 transitions. [2024-11-08 23:22:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 115 transitions. [2024-11-08 23:22:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:22:03,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:03,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:03,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:03,806 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:03,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:22:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:22:03,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:22:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:22:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:22:04,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:22:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:22:04,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:22:04,408 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2024-11-08 23:22:04,452 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,452 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,452 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,452 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,452 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,452 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,453 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:22:04 ImpRootNode [2024-11-08 23:22:04,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:22:04,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:22:04,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:22:04,473 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:22:04,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:13" (3/4) ... [2024-11-08 23:22:04,475 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:22:04,486 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,489 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,490 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,490 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,490 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,490 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,490 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:22:04,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:22:04,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:22:04,610 INFO L158 Benchmark]: Toolchain (without parser) took 52550.35ms. Allocated memory was 69.2MB in the beginning and 408.9MB in the end (delta: 339.7MB). Free memory was 37.0MB in the beginning and 293.1MB in the end (delta: -256.0MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2024-11-08 23:22:04,610 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:22:04,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.32ms. Allocated memory is still 69.2MB. Free memory was 36.9MB in the beginning and 38.3MB in the end (delta: -1.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-08 23:22:04,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.20ms. Allocated memory is still 69.2MB. Free memory was 38.3MB in the beginning and 36.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:22:04,611 INFO L158 Benchmark]: Boogie Preprocessor took 45.07ms. Allocated memory is still 69.2MB. Free memory was 36.4MB in the beginning and 35.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:22:04,612 INFO L158 Benchmark]: RCFGBuilder took 628.96ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 34.9MB in the beginning and 73.7MB in the end (delta: -38.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 23:22:04,612 INFO L158 Benchmark]: CodeCheck took 51215.37ms. Allocated memory was 111.1MB in the beginning and 408.9MB in the end (delta: 297.8MB). Free memory was 73.7MB in the beginning and 300.4MB in the end (delta: -226.7MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2024-11-08 23:22:04,613 INFO L158 Benchmark]: Witness Printer took 136.03ms. Allocated memory is still 408.9MB. Free memory was 300.4MB in the beginning and 293.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:22:04,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.1s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 525 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 469 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2354 IncrementalHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 469 mSolverCounterUnsat, 12 mSDtfsCounter, 2354 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2153 GetRequests, 1834 SyntacticMatches, 117 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28555 ImplicationChecksByTransitivity, 27.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.0s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 150 ConstructedInterpolants, 62 QuantifiedInterpolants, 7247 SizeOfPredicates, 74 NumberOfNonLiveVariables, 554 ConjunctsInSsa, 287 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 0/244 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - 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 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 2); [L31] const SORT_2 msb_SORT_2 = (SORT_2)1 << (2 - 1); [L33] const SORT_2 var_5 = 0; [L34] const SORT_2 var_10 = 1; [L35] const SORT_2 var_17 = mask_SORT_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L40] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L41] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L43] SORT_2 init_8_arg_1 = var_5; [L44] state_6 = init_8_arg_1 [L45] SORT_2 init_9_arg_1 = var_5; [L46] state_7 = init_9_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=3, state_6=0, state_7=0, var_10=1, var_17=3] [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.32ms. Allocated memory is still 69.2MB. Free memory was 36.9MB in the beginning and 38.3MB in the end (delta: -1.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.20ms. Allocated memory is still 69.2MB. Free memory was 38.3MB in the beginning and 36.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.07ms. Allocated memory is still 69.2MB. Free memory was 36.4MB in the beginning and 35.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.96ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 34.9MB in the beginning and 73.7MB in the end (delta: -38.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * CodeCheck took 51215.37ms. Allocated memory was 111.1MB in the beginning and 408.9MB in the end (delta: 297.8MB). Free memory was 73.7MB in the beginning and 300.4MB in the end (delta: -226.7MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * Witness Printer took 136.03ms. Allocated memory is still 408.9MB. Free memory was 300.4MB in the beginning and 293.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:22:04,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bae230-4312-4213-b548-64e384931c57/bin/ukojak-verify-ImItNfHLgk/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE