./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f865ce2403889b362eca5ba5c175d767c3667187f591deab49a0624f78852be2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:03,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:03,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:07:03,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:03,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:04,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:04,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:04,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:04,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:04,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:04,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:04,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:04,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:07:04,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:04,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:07:04,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:04,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:04,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:04,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:04,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:04,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:04,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:07:04,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:04,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:04,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:04,044 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:04,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:04,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:04,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:04,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:04,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:04,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:04,048 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:04,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:04,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:04,049 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_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f865ce2403889b362eca5ba5c175d767c3667187f591deab49a0624f78852be2 [2023-11-23 20:07:04,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:04,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:04,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:04,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:04,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:04,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2023-11-23 20:07:07,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:07,780 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:07,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2023-11-23 20:07:07,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/data/bce535017/9520ee4d6c924f2b904673f13313f906/FLAG2a1f1eb0d [2023-11-23 20:07:07,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/data/bce535017/9520ee4d6c924f2b904673f13313f906 [2023-11-23 20:07:07,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:07,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:07,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:07,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:07,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:07,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:07" (1/1) ... [2023-11-23 20:07:07,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e16dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07, skipping insertion in model container [2023-11-23 20:07:07,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:07" (1/1) ... [2023-11-23 20:07:07,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:08,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:08,031 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:08,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:08,068 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:08,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08 WrapperNode [2023-11-23 20:07:08,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:08,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:08,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:08,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:08,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,112 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-11-23 20:07:08,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:08,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:08,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:08,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:08,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:08,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:08,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:08,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:08,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:08,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:08,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:08,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420094fe-e964-43f2-ad2c-d68b71fd4519/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:07:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:07:08,290 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:08,293 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:08,597 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:08,649 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:08,649 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:07:08,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:08 BoogieIcfgContainer [2023-11-23 20:07:08,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:08,653 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:08,653 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:08,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:08,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-23 20:07:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-23 20:07:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:07:08,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:08,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:08,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:08,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 73 states and 76 transitions. [2023-11-23 20:07:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-11-23 20:07:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:07:09,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:09,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:09,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:09,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 72 states and 75 transitions. [2023-11-23 20:07:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-11-23 20:07:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:07:09,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:09,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:09,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:07:09,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:09,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:09,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2023-11-23 20:07:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2023-11-23 20:07:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:07:09,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:09,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:09,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:09,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:09,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-23 20:07:09,603 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-23 20:07:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:07:09,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:09,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:09,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:09,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-23 20:07:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-23 20:07:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:07:09,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:09,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:09,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:09,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2023-11-23 20:07:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2023-11-23 20:07:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:07:10,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:10,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:10,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:07:10,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2023-11-23 20:07:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2023-11-23 20:07:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:07:11,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:11,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:11,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:07:11,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 89 states and 97 transitions. [2023-11-23 20:07:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2023-11-23 20:07:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:07:13,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:13,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:13,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:13,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 96 states and 107 transitions. [2023-11-23 20:07:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2023-11-23 20:07:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:07:16,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:16,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:16,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:07:16,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 104 states and 118 transitions. [2023-11-23 20:07:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2023-11-23 20:07:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:07:19,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:19,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:19,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:19,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:21,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 113 states and 131 transitions. [2023-11-23 20:07:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2023-11-23 20:07:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:07:21,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:21,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:21,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:21,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 123 states and 146 transitions. [2023-11-23 20:07:23,813 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 146 transitions. [2023-11-23 20:07:23,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:07:23,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:23,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 134 states and 163 transitions. [2023-11-23 20:07:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2023-11-23 20:07:28,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:07:28,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:28,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:28,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:28,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:51,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]