./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b503f9744330c40db60063d7713649b00b515fae7df517a0a6da071e866822e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:07,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:07,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:18:07,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:18:07,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:18:07,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:07,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:07,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:07,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:07,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:07,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:07,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:07,371 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:18:07,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:18:07,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:18:07,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:07,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:07,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:07,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:07,375 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:07,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:07,376 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:18:07,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:07,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:07,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:07,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:07,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:07,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:07,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:07,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:07,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:07,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:07,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:18:07,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:18:07,394 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:07,394 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_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b503f9744330c40db60063d7713649b00b515fae7df517a0a6da071e866822e [2023-11-23 20:18:07,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:07,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:07,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:07,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:07,677 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:07,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i [2023-11-23 20:18:10,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:11,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:11,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i [2023-11-23 20:18:11,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/data/28f4ab87b/c80b32d64b414194914576f5fa94d000/FLAGbca71eef0 [2023-11-23 20:18:11,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/data/28f4ab87b/c80b32d64b414194914576f5fa94d000 [2023-11-23 20:18:11,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:11,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:11,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:11,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:11,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:11,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1f3afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11, skipping insertion in model container [2023-11-23 20:18:11,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:11,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:11,457 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:11,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:11,489 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:11,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11 WrapperNode [2023-11-23 20:18:11,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:11,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:11,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:11,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:11,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,530 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2023-11-23 20:18:11,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:11,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:11,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:11,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:11,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:11,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:11,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:11,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:11,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:11,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:11,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:11,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:18:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:11,749 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:11,753 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:11,971 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:12,050 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:12,050 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:18:12,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:12 BoogieIcfgContainer [2023-11-23 20:18:12,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:12,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:12,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:12,073 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:12,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:12" (1/1) ... [2023-11-23 20:18:12,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-23 20:18:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-23 20:18:12,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:18:12,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:12,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-23 20:18:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-23 20:18:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:18:12,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:12,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-11-23 20:18:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-23 20:18:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:18:12,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:12,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:18:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:18:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:18:12,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:12,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:13,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-23 20:18:13,184 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-23 20:18:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:18:13,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:13,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-23 20:18:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-23 20:18:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:18:13,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:13,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-23 20:18:13,891 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-23 20:18:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:18:13,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:13,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-23 20:18:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-23 20:18:14,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:18:14,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:14,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-23 20:18:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-23 20:18:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:18:14,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:15,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:15,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2023-11-23 20:18:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-23 20:18:15,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:18:15,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:15,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:15,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2023-11-23 20:18:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2023-11-23 20:18:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:18:15,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:15,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2023-11-23 20:18:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2023-11-23 20:18:16,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:18:16,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:16,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 50 states and 69 transitions. [2023-11-23 20:18:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2023-11-23 20:18:17,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:18:17,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:17,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2023-11-23 20:18:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2023-11-23 20:18:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:18:17,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:18,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2023-11-23 20:18:18,640 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2023-11-23 20:18:18,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:18:18,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:18,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:19,111 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2023-11-23 20:18:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2023-11-23 20:18:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:18:19,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2023-11-23 20:18:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-23 20:18:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:18:20,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:20,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2023-11-23 20:18:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2023-11-23 20:18:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:18:21,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:21,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:22,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2023-11-23 20:18:22,414 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-11-23 20:18:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:18:22,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:22,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2023-11-23 20:18:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2023-11-23 20:18:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:18:23,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:23,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 82 states and 117 transitions. [2023-11-23 20:18:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2023-11-23 20:18:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:18:24,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:24,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 86 states and 123 transitions. [2023-11-23 20:18:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-11-23 20:18:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:18:25,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:25,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 90 states and 129 transitions. [2023-11-23 20:18:27,442 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2023-11-23 20:18:27,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 20:18:27,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:27,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 94 states and 135 transitions. [2023-11-23 20:18:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2023-11-23 20:18:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 20:18:29,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:29,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 98 states and 141 transitions. [2023-11-23 20:18:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 141 transitions. [2023-11-23 20:18:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 20:18:30,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:30,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 147 transitions. [2023-11-23 20:18:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2023-11-23 20:18:32,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 20:18:32,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:32,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 1104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 106 states and 153 transitions. [2023-11-23 20:18:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2023-11-23 20:18:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:18:34,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:34,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:36,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 110 states and 159 transitions. [2023-11-23 20:18:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2023-11-23 20:18:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 20:18:36,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:36,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 1300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2023-11-23 20:18:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2023-11-23 20:18:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 20:18:38,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:38,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 1404 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 118 states and 171 transitions. [2023-11-23 20:18:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2023-11-23 20:18:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 20:18:40,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 122 states and 177 transitions. [2023-11-23 20:18:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2023-11-23 20:18:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 20:18:42,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:42,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 1624 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:44,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 126 states and 183 transitions. [2023-11-23 20:18:44,121 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2023-11-23 20:18:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-23 20:18:44,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:44,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 1740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 130 states and 189 transitions. [2023-11-23 20:18:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 189 transitions. [2023-11-23 20:18:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-23 20:18:46,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:46,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:46,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:46,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:46,617 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 33 iterations. [2023-11-23 20:18:46,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:46 ImpRootNode [2023-11-23 20:18:46,727 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:46,728 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:46,728 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:46,729 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:46,729 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:12" (3/4) ... [2023-11-23 20:18:46,730 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:18:46,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:18:46,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:46,853 INFO L158 Benchmark]: Toolchain (without parser) took 35693.98ms. Allocated memory was 125.8MB in the beginning and 587.2MB in the end (delta: 461.4MB). Free memory was 82.0MB in the beginning and 283.4MB in the end (delta: -201.4MB). Peak memory consumption was 262.4MB. Max. memory is 16.1GB. [2023-11-23 20:18:46,854 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory was 95.6MB in the beginning and 95.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:46,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.81ms. Allocated memory is still 125.8MB. Free memory was 82.0MB in the beginning and 71.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:18:46,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.03ms. Allocated memory is still 125.8MB. Free memory was 71.5MB in the beginning and 70.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:46,860 INFO L158 Benchmark]: Boogie Preprocessor took 42.12ms. Allocated memory is still 125.8MB. Free memory was 70.3MB in the beginning and 68.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:46,861 INFO L158 Benchmark]: RCFGBuilder took 485.16ms. Allocated memory is still 125.8MB. Free memory was 68.9MB in the beginning and 58.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:18:46,862 INFO L158 Benchmark]: CodeCheck took 34666.35ms. Allocated memory was 125.8MB in the beginning and 587.2MB in the end (delta: 461.4MB). Free memory was 58.1MB in the beginning and 287.6MB in the end (delta: -229.4MB). Peak memory consumption was 235.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:46,862 INFO L158 Benchmark]: Witness Printer took 124.64ms. Allocated memory is still 587.2MB. Free memory was 286.5MB in the beginning and 283.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:46,865 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, 11 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 34.5s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3235 SdHoareTripleChecker+Valid, 20.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3015 mSDsluCounter, 5044 SdHoareTripleChecker+Invalid, 16.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3856 mSDsCounter, 5237 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9158 IncrementalHoareTripleChecker+Invalid, 14395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5237 mSolverCounterUnsat, 1188 mSDtfsCounter, 9158 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14944 GetRequests, 13016 SyntacticMatches, 1746 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11064 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 2060 NumberOfCodeBlocks, 2060 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1902 ConstructedInterpolants, 0 QuantifiedInterpolants, 12868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 3 PerfectInterpolantSequences, 3/17983 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: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x==1 && y==1)) VAL [x=1, y=1] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=2, y=2] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=4, y=4] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=8, y=8] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=16, y=16] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=32, y=32] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=64, y=64] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=128, y=128] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=256, y=256] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=512, y=512] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=1024, y=1024] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=2048, y=2048] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=4096, y=4096] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=8192, y=8192] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=16384, y=16384] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=32768, y=32768] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=65536, y=65536] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=131072, y=131072] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=262144, y=262144] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=524288, y=524288] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=1048576, y=1048576] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=2097152, y=2097152] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=4194304, y=4194304] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=8388608, y=8388608] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=16777216, y=16777216] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=33554432, y=33554432] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=67108864, y=67108864] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=134217728, y=134217728] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=268435456, y=268435456] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=536870912, y=536870912] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x VAL [x=1073741824, y=1073741824] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] x+y VAL [x=1073741824, y=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory was 95.6MB in the beginning and 95.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.81ms. Allocated memory is still 125.8MB. Free memory was 82.0MB in the beginning and 71.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.03ms. Allocated memory is still 125.8MB. Free memory was 71.5MB in the beginning and 70.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.12ms. Allocated memory is still 125.8MB. Free memory was 70.3MB in the beginning and 68.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.16ms. Allocated memory is still 125.8MB. Free memory was 68.9MB in the beginning and 58.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 34666.35ms. Allocated memory was 125.8MB in the beginning and 587.2MB in the end (delta: 461.4MB). Free memory was 58.1MB in the beginning and 287.6MB in the end (delta: -229.4MB). Peak memory consumption was 235.1MB. Max. memory is 16.1GB. * Witness Printer took 124.64ms. Allocated memory is still 587.2MB. Free memory was 286.5MB in the beginning and 283.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:18:46,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4307d2b-4d80-402b-bdbe-772556ea8904/bin/ukojak-verify-1t5iHCbJaC/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(OVERFLOW)