./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/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_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:44:33,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:33,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:44:33,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:33,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:33,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:33,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:33,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:33,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:33,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:33,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:33,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:33,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:34,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:34,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:34,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:34,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:34,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:34,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:34,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:34,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:34,007 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:34,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:34,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:34,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:34,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:34,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:34,011 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:34,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:34,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:34,014 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_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 [2023-11-19 03:44:34,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:34,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:34,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:34,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:34,471 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:34,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2023-11-19 03:44:38,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:38,471 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:38,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2023-11-19 03:44:38,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/data/92f1c6a19/77328c771311497f8f0947368e5626bd/FLAG067ce1b61 [2023-11-19 03:44:38,515 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/data/92f1c6a19/77328c771311497f8f0947368e5626bd [2023-11-19 03:44:38,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:38,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:38,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:38,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:38,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:38,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712e088f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38, skipping insertion in model container [2023-11-19 03:44:38,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:38,816 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2023-11-19 03:44:38,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:38,877 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:38,904 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2023-11-19 03:44:38,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:38,959 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:38,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38 WrapperNode [2023-11-19 03:44:38,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:38,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:38,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:38,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:38,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,061 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2023-11-19 03:44:39,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:39,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:39,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:39,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:39,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:39,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:39,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:39,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:39,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:39,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:39,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:39,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:39,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:44:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:39,321 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:39,324 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:39,986 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:40,404 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:40,406 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:44:40,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:40 BoogieIcfgContainer [2023-11-19 03:44:40,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:40,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:40,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:40,425 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:40,425 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:40" (1/1) ... [2023-11-19 03:44:40,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:44:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:44:40,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:44:40,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:40,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:41,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-19 03:44:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-19 03:44:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:44:41,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:41,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 03:44:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 03:44:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:44:45,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:45,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2023-11-19 03:44:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2023-11-19 03:44:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:44:52,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:52,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:53,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:44:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:57,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:44:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:58,918 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-19 03:44:58,991 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:44:58,991 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:44:58,992 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:44:58,992 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:44:59,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:44:59 ImpRootNode [2023-11-19 03:44:59,009 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:44:59,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:44:59,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:44:59,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:44:59,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:40" (3/4) ... [2023-11-19 03:44:59,014 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:44:59,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:44:59,017 INFO L158 Benchmark]: Toolchain (without parser) took 20492.40ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 147.4MB in the beginning and 135.5MB in the end (delta: 11.9MB). Peak memory consumption was 145.6MB. Max. memory is 16.1GB. [2023-11-19 03:44:59,018 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:59,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.76ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 135.3MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:44:59,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.04ms. Allocated memory is still 178.3MB. Free memory was 135.3MB in the beginning and 130.6MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:44:59,020 INFO L158 Benchmark]: Boogie Preprocessor took 55.99ms. Allocated memory is still 178.3MB. Free memory was 130.6MB in the beginning and 128.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:44:59,021 INFO L158 Benchmark]: RCFGBuilder took 1291.39ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 131.0MB in the end (delta: -2.5MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-19 03:44:59,022 INFO L158 Benchmark]: CodeCheck took 18597.77ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 131.0MB in the beginning and 136.6MB in the end (delta: -5.5MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. [2023-11-19 03:44:59,023 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 310.4MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:59,028 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: 18.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 3 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 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 [init_8_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=3, msb_SORT_1=1, msb_SORT_2=2, state_6=0, state_7=0, var_10=1, var_17=3, var_5=0] [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)) VAL [\old(cond)=1, cond=1] [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 VAL [bad_21_arg_0=0, constr_23_arg_0=1, init_8_arg_1=0, init_9_arg_1=0, input_3=1, input_4=1, mask_SORT_1=1, mask_SORT_2=3, msb_SORT_1=1, msb_SORT_2=2, next_15_arg_1=1, next_16_arg_1=1, state_6=1, state_7=1, var_10=1, var_11=1, var_11_arg_0=0, var_11_arg_1=1, var_12=1, var_12_arg_0=0, var_12_arg_1=1, var_13=1, var_13_arg_0=1, var_13_arg_1=1, var_13_arg_2=0, var_14=1, var_14_arg_0=1, var_14_arg_1=1, var_14_arg_2=0, var_17=3, var_18=0, var_18_arg_0=0, var_18_arg_1=3, var_19=0, var_19_arg_0=0, var_19_arg_1=3, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_22=1, var_22_arg_0=1, var_22_arg_1=1, var_5=0] [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)) VAL [\old(cond)=1, cond=1] [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 VAL [bad_21_arg_0=0, constr_23_arg_0=1, init_8_arg_1=0, init_9_arg_1=0, input_3=1, input_4=1, mask_SORT_1=1, mask_SORT_2=3, msb_SORT_1=1, msb_SORT_2=2, next_15_arg_1=2, next_16_arg_1=2, state_6=2, state_7=2, var_10=1, var_11=2, var_11_arg_0=1, var_11_arg_1=1, var_12=2, var_12_arg_0=1, var_12_arg_1=1, var_13=2, var_13_arg_0=1, var_13_arg_1=2, var_13_arg_2=1, var_14=2, var_14_arg_0=1, var_14_arg_1=2, var_14_arg_2=1, var_17=3, var_18=0, var_18_arg_0=1, var_18_arg_1=3, var_19=0, var_19_arg_0=1, var_19_arg_1=3, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_22=1, var_22_arg_0=1, var_22_arg_1=1, var_5=0] [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)) VAL [\old(cond)=1, cond=1] [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 VAL [bad_21_arg_0=0, constr_23_arg_0=1, init_8_arg_1=0, init_9_arg_1=0, input_3=1, input_4=1, mask_SORT_1=1, mask_SORT_2=3, msb_SORT_1=1, msb_SORT_2=2, next_15_arg_1=3, next_16_arg_1=3, state_6=3, state_7=3, var_10=1, var_11=3, var_11_arg_0=2, var_11_arg_1=1, var_12=3, var_12_arg_0=2, var_12_arg_1=1, var_13=3, var_13_arg_0=1, var_13_arg_1=3, var_13_arg_2=2, var_14=3, var_14_arg_0=1, var_14_arg_1=3, var_14_arg_2=2, var_17=3, var_18=0, var_18_arg_0=2, var_18_arg_1=3, var_19=0, var_19_arg_0=2, var_19_arg_1=3, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_22=1, var_22_arg_0=1, var_22_arg_1=1, var_5=0] [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) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.76ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 135.3MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.04ms. Allocated memory is still 178.3MB. Free memory was 135.3MB in the beginning and 130.6MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.99ms. Allocated memory is still 178.3MB. Free memory was 130.6MB in the beginning and 128.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1291.39ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 131.0MB in the end (delta: -2.5MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * CodeCheck took 18597.77ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 131.0MB in the beginning and 136.6MB in the end (delta: -5.5MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 310.4MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:44:59,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/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_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:45:02,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:45:02,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:45:02,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:45:02,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:45:02,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:45:02,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:45:02,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:45:02,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:45:02,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:45:02,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:45:02,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:45:02,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:45:02,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:45:02,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:45:02,487 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:45:02,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:45:02,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:45:02,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:45:02,492 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:45:02,492 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:45:02,493 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:45:02,494 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:02,494 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:45:02,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:45:02,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:02,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:45:02,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:45:02,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:45:02,498 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:45:02,500 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:02,500 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:45:02,501 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:45:02,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:45:02,502 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 [2023-11-19 03:45:03,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:45:03,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:45:03,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:45:03,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:45:03,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:45:03,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2023-11-19 03:45:06,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:45:07,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:45:07,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2023-11-19 03:45:07,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/data/bf21c288b/3d7065c0d2514046bad18a300cb37143/FLAGff7685eb5 [2023-11-19 03:45:07,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/data/bf21c288b/3d7065c0d2514046bad18a300cb37143 [2023-11-19 03:45:07,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:45:07,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:45:07,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:07,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:45:07,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:45:07,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb0f10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07, skipping insertion in model container [2023-11-19 03:45:07,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:45:07,553 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2023-11-19 03:45:07,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:07,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:45:07,630 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2023-11-19 03:45:07,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:07,673 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:45:07,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07 WrapperNode [2023-11-19 03:45:07,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:07,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:07,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:45:07,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:45:07,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,729 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-19 03:45:07,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:07,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:45:07,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:45:07,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:45:07,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:45:07,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:45:07,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:45:07,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:45:07,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:07,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:45:07,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:45:07,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:45:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:45:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:45:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:45:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:45:08,034 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:45:08,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:45:08,363 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:45:08,457 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:45:08,457 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:45:08,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:08 BoogieIcfgContainer [2023-11-19 03:45:08,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:45:08,464 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:45:08,464 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:45:08,487 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:45:08,487 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:08" (1/1) ... [2023-11-19 03:45:08,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:45:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:45:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:45:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:45:08,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:08,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:08,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:45:08,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:45:08,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:45:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:08,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:45:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:08,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:45:08,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:09,101 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:45:09,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:45:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:45:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:45:09,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:09,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:09,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:09,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:45:09,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:45:09,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:45:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:09,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:45:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:09,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:45:09,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:09,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:09,978 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:45:09,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:45:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-19 03:45:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-19 03:45:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:45:10,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:10,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:10,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:45:10,567 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:45:10,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:45:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:10,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:45:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:10,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:45:10,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:11,396 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:45:11,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:45:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2023-11-19 03:45:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2023-11-19 03:45:12,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:45:12,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:12,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:12,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:45:12,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:45:12,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:45:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:12,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:45:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:12,500 WARN L260 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-19 03:45:12,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:15,658 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:45:15,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b950317c-f99c-45e0-a195-91dd148ea778/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0