./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 a0165632 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_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 23:19:45,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:19:45,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:19:45,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:19:45,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:19:45,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:19:45,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:19:45,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:19:45,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:19:45,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:19:45,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:19:45,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:19:45,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:19:45,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:19:45,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:19:45,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:19:45,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:19:45,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:19:45,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:19:45,625 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:19:45,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:19:45,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:19:45,626 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:19:45,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:19:45,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:19:45,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:19:45,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:19:45,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:19:45,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:19:45,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:19:45,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:19:45,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:19:45,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:19:45,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:19:45,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:19:45,635 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_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b503f9744330c40db60063d7713649b00b515fae7df517a0a6da071e866822e [2024-11-08 23:19:45,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:19:45,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:19:45,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:19:45,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:19:45,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:19:45,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i Unable to find full path for "g++" [2024-11-08 23:19:47,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:19:48,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:19:48,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i [2024-11-08 23:19:48,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/data/4d841d178/9384768308c743c1bae8d49bb3bc19dd/FLAGe1efd7581 [2024-11-08 23:19:48,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/data/4d841d178/9384768308c743c1bae8d49bb3bc19dd [2024-11-08 23:19:48,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:19:48,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:19:48,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:19:48,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:19:48,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:19:48,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c268426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48, skipping insertion in model container [2024-11-08 23:19:48,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:19:48,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:19:48,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:19:48,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:19:48,844 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:19:48,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48 WrapperNode [2024-11-08 23:19:48,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:19:48,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:19:48,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:19:48,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:19:48,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,891 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-11-08 23:19:48,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:19:48,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:19:48,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:19:48,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:19:48,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:19:48,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:19:48,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:19:48,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:19:48,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:19:48" (1/1) ... [2024-11-08 23:19:48,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:19:48,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:19:48,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:19:48,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:19:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:19:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:19:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:19:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:19:49,072 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:19:49,075 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:19:49,238 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 23:19:49,238 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:19:49,296 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:19:49,296 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:19:49,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:19:49 BoogieIcfgContainer [2024-11-08 23:19:49,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:19:49,298 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:19:49,298 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:19:49,309 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:19:49,310 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:19:49" (1/1) ... [2024-11-08 23:19:49,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:19:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 23:19:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 23:19:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:19:49,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:49,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-08 23:19:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-08 23:19:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:19:49,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:49,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-08 23:19:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-08 23:19:49,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:19:49,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:49,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 23:19:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 23:19:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:19:50,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:50,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:19:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:19:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:19:50,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:50,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-08 23:19:50,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 23:19:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:19:50,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:50,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-08 23:19:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-08 23:19:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:19:51,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:51,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-08 23:19:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 23:19:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:19:51,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:51,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-11-08 23:19:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-08 23:19:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:19:52,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:52,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-08 23:19:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-08 23:19:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:19:52,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:52,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2024-11-08 23:19:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2024-11-08 23:19:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:19:53,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:53,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2024-11-08 23:19:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2024-11-08 23:19:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:19:53,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:53,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:54,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 50 states and 69 transitions. [2024-11-08 23:19:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2024-11-08 23:19:54,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 23:19:54,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:54,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2024-11-08 23:19:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2024-11-08 23:19:55,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:19:55,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:55,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2024-11-08 23:19:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2024-11-08 23:19:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:19:56,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:56,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2024-11-08 23:19:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2024-11-08 23:19:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 23:19:56,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2024-11-08 23:19:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2024-11-08 23:19:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 23:19:57,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2024-11-08 23:19:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2024-11-08 23:19:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-08 23:19:58,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:59,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2024-11-08 23:19:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2024-11-08 23:19:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 23:19:59,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:59,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2024-11-08 23:20:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2024-11-08 23:20:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 23:20:00,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:00,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:01,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 82 states and 117 transitions. [2024-11-08 23:20:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2024-11-08 23:20:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 23:20:01,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:01,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 86 states and 123 transitions. [2024-11-08 23:20:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2024-11-08 23:20:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 23:20:02,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:02,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:04,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:04,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 90 states and 129 transitions. [2024-11-08 23:20:04,103 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2024-11-08 23:20:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 23:20:04,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:04,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 94 states and 135 transitions. [2024-11-08 23:20:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2024-11-08 23:20:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 23:20:05,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 98 states and 141 transitions. [2024-11-08 23:20:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 141 transitions. [2024-11-08 23:20:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 23:20:06,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:06,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 147 transitions. [2024-11-08 23:20:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2024-11-08 23:20:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 23:20:07,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:07,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 1104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 106 states and 153 transitions. [2024-11-08 23:20:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2024-11-08 23:20:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 23:20:09,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:09,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 110 states and 159 transitions. [2024-11-08 23:20:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2024-11-08 23:20:10,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 23:20:10,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:10,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 1300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2024-11-08 23:20:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2024-11-08 23:20:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 23:20:12,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:12,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 1404 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 118 states and 171 transitions. [2024-11-08 23:20:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2024-11-08 23:20:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 23:20:13,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 122 states and 177 transitions. [2024-11-08 23:20:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2024-11-08 23:20:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 23:20:15,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:15,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 1624 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 126 states and 183 transitions. [2024-11-08 23:20:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2024-11-08 23:20:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 23:20:17,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:17,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 1740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 130 states and 189 transitions. [2024-11-08 23:20:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 189 transitions. [2024-11-08 23:20:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 23:20:18,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:18,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:18,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:19,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:19,249 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 33 iterations. [2024-11-08 23:20:19,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:20:19 ImpRootNode [2024-11-08 23:20:19,303 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:20:19,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:20:19,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:20:19,304 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:20:19,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:19:49" (3/4) ... [2024-11-08 23:20:19,309 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:20:19,399 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:20:19,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:20:19,400 INFO L158 Benchmark]: Toolchain (without parser) took 30849.99ms. Allocated memory was 144.7MB in the beginning and 648.0MB in the end (delta: 503.3MB). Free memory was 102.0MB in the beginning and 582.2MB in the end (delta: -480.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-08 23:20:19,400 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 144.7MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:19,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.51ms. Allocated memory is still 144.7MB. Free memory was 101.7MB in the beginning and 89.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:20:19,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.21ms. Allocated memory is still 144.7MB. Free memory was 89.8MB in the beginning and 88.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:19,401 INFO L158 Benchmark]: Boogie Preprocessor took 28.21ms. Allocated memory is still 144.7MB. Free memory was 88.5MB in the beginning and 87.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:19,402 INFO L158 Benchmark]: RCFGBuilder took 376.43ms. Allocated memory is still 144.7MB. Free memory was 87.3MB in the beginning and 75.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:20:19,402 INFO L158 Benchmark]: CodeCheck took 30005.67ms. Allocated memory was 144.7MB in the beginning and 648.0MB in the end (delta: 503.3MB). Free memory was 75.8MB in the beginning and 586.4MB in the end (delta: -510.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:19,403 INFO L158 Benchmark]: Witness Printer took 95.17ms. Allocated memory is still 648.0MB. Free memory was 586.4MB in the beginning and 582.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:20:19,408 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: 29.9s, 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, 19.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3015 mSDsluCounter, 5044 SdHoareTripleChecker+Invalid, 16.0s 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, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14944 GetRequests, 13016 SyntacticMatches, 1746 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11064 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.1s 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 144.7MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.51ms. Allocated memory is still 144.7MB. Free memory was 101.7MB in the beginning and 89.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.21ms. Allocated memory is still 144.7MB. Free memory was 89.8MB in the beginning and 88.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.21ms. Allocated memory is still 144.7MB. Free memory was 88.5MB in the beginning and 87.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.43ms. Allocated memory is still 144.7MB. Free memory was 87.3MB in the beginning and 75.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 30005.67ms. Allocated memory was 144.7MB in the beginning and 648.0MB in the end (delta: 503.3MB). Free memory was 75.8MB in the beginning and 586.4MB in the end (delta: -510.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.17ms. Allocated memory is still 648.0MB. Free memory was 586.4MB in the beginning and 582.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:20:19,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32701d2f-fe6d-487e-941c-a671ec4cc5fc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)