./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/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_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL --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 64bit --witnessprinter.graph.data.programhash 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:42,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:42,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:23:42,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:42,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:43,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:43,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:43,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:43,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:43,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:43,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:43,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:43,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:43,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:43,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:43,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:43,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:43,042 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:23:43,042 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:43,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:43,043 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:43,044 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:43,045 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:43,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:43,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:43,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:43,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:43,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:43,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:43,049 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:43,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:43,051 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:43,051 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_1d286b0f-d14d-48a1-b00c-f783ffcc2921/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2023-11-19 03:23:43,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:43,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:43,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:43,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:43,405 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:43,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2023-11-19 03:23:46,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:46,829 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:46,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2023-11-19 03:23:46,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/data/a5c6f0d45/8651db6a1adb449984852f98bd4c20ee/FLAG9c3c5a1e9 [2023-11-19 03:23:46,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/data/a5c6f0d45/8651db6a1adb449984852f98bd4c20ee [2023-11-19 03:23:46,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:46,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:46,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:46,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:46,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:46,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:46" (1/1) ... [2023-11-19 03:23:46,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6bed7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:46, skipping insertion in model container [2023-11-19 03:23:46,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:46" (1/1) ... [2023-11-19 03:23:46,909 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:47,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:47,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:47,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:47,134 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:47,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47 WrapperNode [2023-11-19 03:23:47,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:47,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:47,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:47,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:47,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,178 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2023-11-19 03:23:47,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:47,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:47,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:47,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:47,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:47,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:47,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:47,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:47,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:47,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:47,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:47,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2023-11-19 03:23:47,320 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2023-11-19 03:23:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:47,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:47,388 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:47,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:47,637 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:47,792 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:47,792 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:23:47,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:47 BoogieIcfgContainer [2023-11-19 03:23:47,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:47,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:47,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:47,809 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:47,809 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:47" (1/1) ... [2023-11-19 03:23:47,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-11-19 03:23:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-19 03:23:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:23:47,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:47,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:48,038 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 03:23:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-19 03:23:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-19 03:23:48,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:23:48,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:48,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:48,111 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 03:23:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-19 03:23:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-19 03:23:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:23:48,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:48,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:48,315 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 03:23:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-11-19 03:23:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-11-19 03:23:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:23:48,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:48,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:48,479 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 03:23:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2023-11-19 03:23:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2023-11-19 03:23:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:23:48,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:48,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:48,614 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 03:23:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:48,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 87 transitions. [2023-11-19 03:23:48,680 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2023-11-19 03:23:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:48,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:48,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:48,779 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 03:23:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2023-11-19 03:23:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2023-11-19 03:23:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:49,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,185 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 03:23:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2023-11-19 03:23:49,269 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2023-11-19 03:23:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:49,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,321 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 03:23:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2023-11-19 03:23:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2023-11-19 03:23:49,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:49,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,432 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 03:23:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2023-11-19 03:23:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2023-11-19 03:23:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:49,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,509 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 03:23:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 83 states and 138 transitions. [2023-11-19 03:23:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 138 transitions. [2023-11-19 03:23:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:49,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,589 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 03:23:49,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 140 transitions. [2023-11-19 03:23:49,621 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2023-11-19 03:23:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:49,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,672 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 03:23:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 83 states and 136 transitions. [2023-11-19 03:23:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2023-11-19 03:23:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:49,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,796 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 03:23:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 81 states and 132 transitions. [2023-11-19 03:23:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 132 transitions. [2023-11-19 03:23:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:49,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,884 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 03:23:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 83 states and 134 transitions. [2023-11-19 03:23:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2023-11-19 03:23:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:49,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 136 transitions. [2023-11-19 03:23:50,143 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2023-11-19 03:23:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:50,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,195 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 03:23:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 90 states and 150 transitions. [2023-11-19 03:23:50,452 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2023-11-19 03:23:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:50,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,525 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 03:23:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 81 states and 134 transitions. [2023-11-19 03:23:50,562 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2023-11-19 03:23:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:50,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,613 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 03:23:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 89 states and 149 transitions. [2023-11-19 03:23:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2023-11-19 03:23:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:50,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,782 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 03:23:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 145 transitions. [2023-11-19 03:23:50,824 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2023-11-19 03:23:50,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:50,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,902 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 03:23:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 85 states and 141 transitions. [2023-11-19 03:23:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2023-11-19 03:23:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:50,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,028 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 03:23:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 87 states and 143 transitions. [2023-11-19 03:23:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2023-11-19 03:23:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:51,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:51,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 90 states and 152 transitions. [2023-11-19 03:23:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2023-11-19 03:23:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:51,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,608 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 03:23:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 83 states and 140 transitions. [2023-11-19 03:23:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2023-11-19 03:23:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:51,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,682 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 03:23:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 81 states and 136 transitions. [2023-11-19 03:23:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2023-11-19 03:23:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:51,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,775 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 03:23:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 132 transitions. [2023-11-19 03:23:51,811 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2023-11-19 03:23:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:51,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,847 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 03:23:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 81 states and 134 transitions. [2023-11-19 03:23:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2023-11-19 03:23:51,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:51,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,939 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 03:23:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 73 states and 118 transitions. [2023-11-19 03:23:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 118 transitions. [2023-11-19 03:23:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:51,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:52,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 68 states and 105 transitions. [2023-11-19 03:23:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-19 03:23:52,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:52,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:52,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:52,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:52,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:52,359 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 29 iterations. [2023-11-19 03:23:52,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:52 ImpRootNode [2023-11-19 03:23:52,392 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:52,392 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:52,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:52,393 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:52,393 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:47" (3/4) ... [2023-11-19 03:23:52,394 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:23:52,460 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:23:52,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:52,461 INFO L158 Benchmark]: Toolchain (without parser) took 5591.98ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 90.9MB in the beginning and 59.6MB in the end (delta: 31.3MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2023-11-19 03:23:52,461 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:52,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.44ms. Allocated memory is still 134.2MB. Free memory was 90.9MB in the beginning and 81.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:23:52,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.66ms. Allocated memory is still 134.2MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:52,462 INFO L158 Benchmark]: Boogie Preprocessor took 44.99ms. Allocated memory is still 134.2MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:52,463 INFO L158 Benchmark]: RCFGBuilder took 572.37ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 58.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:23:52,465 INFO L158 Benchmark]: CodeCheck took 4594.47ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 58.2MB in the beginning and 61.7MB in the end (delta: -3.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-11-19 03:23:52,469 INFO L158 Benchmark]: Witness Printer took 67.60ms. Allocated memory is still 163.6MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:52,471 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 2 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5149 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4438 mSDsluCounter, 9242 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6984 mSDsCounter, 809 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3410 IncrementalHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 809 mSolverCounterUnsat, 2258 mSDtfsCounter, 3410 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4713 GetRequests, 4365 SyntacticMatches, 286 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1643 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 477 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 25 PerfectInterpolantSequences, 2/7 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: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 VAL [d=0, x=2147483647] [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 VAL [d=-1, x=2147483647] [L80] COND TRUE x > 0 VAL [d=-1, x=2147483647] [L81] x - d VAL [d=-1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.44ms. Allocated memory is still 134.2MB. Free memory was 90.9MB in the beginning and 81.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.66ms. Allocated memory is still 134.2MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.99ms. Allocated memory is still 134.2MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.37ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 58.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4594.47ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 58.2MB in the beginning and 61.7MB in the end (delta: -3.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 67.60ms. Allocated memory is still 163.6MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:23:52,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d286b0f-d14d-48a1-b00c-f783ffcc2921/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)