./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9 --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 56ae0381e0fc321a4bef875cc97d6a437c7ca54ffeb3bb010be2e47fa76c5a5f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:18:38,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:18:38,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:18:38,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:18:38,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:18:38,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:18:38,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:18:38,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:18:38,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:18:38,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:18:38,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:18:38,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:18:38,730 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:18:38,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:18:38,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:18:38,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:18:38,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:18:38,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:18:38,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:18:38,733 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:18:38,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:18:38,735 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:18:38,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:18:38,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:18:38,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:18:38,737 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:18:38,737 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:18:38,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:18:38,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:18:38,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:18:38,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:18:38,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:18:38,740 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:18:38,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:18:38,740 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:18:38,740 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_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ae0381e0fc321a4bef875cc97d6a437c7ca54ffeb3bb010be2e47fa76c5a5f [2023-12-03 03:18:38,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:18:38,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:18:38,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:18:38,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:18:38,972 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:18:38,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c [2023-12-03 03:18:41,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:18:41,891 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:18:41,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c [2023-12-03 03:18:41,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/data/f237b51bc/ecb3b2f535b74bf4a83f9eb5247ac273/FLAG96d7503da [2023-12-03 03:18:41,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/data/f237b51bc/ecb3b2f535b74bf4a83f9eb5247ac273 [2023-12-03 03:18:41,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:18:41,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:18:41,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:18:41,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:18:41,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:18:41,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:41" (1/1) ... [2023-12-03 03:18:41,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa8c33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:41, skipping insertion in model container [2023-12-03 03:18:41,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:41" (1/1) ... [2023-12-03 03:18:41,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:18:42,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:18:42,093 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:18:42,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:18:42,121 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:18:42,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42 WrapperNode [2023-12-03 03:18:42,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:18:42,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:18:42,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:18:42,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:18:42,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,156 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-12-03 03:18:42,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:18:42,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:18:42,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:18:42,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:18:42,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:18:42,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:18:42,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:18:42,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:18:42,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:18:42,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:18:42,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:18:42,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f3a629-c254-48a4-a879-5e9da00eff18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:18:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:18:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:18:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:18:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:18:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:18:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:18:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:18:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:18:42,310 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:18:42,312 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:18:42,546 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:18:42,581 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:18:42,582 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:18:42,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:42 BoogieIcfgContainer [2023-12-03 03:18:42,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:18:42,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:18:42,585 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:18:42,593 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:18:42,593 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:42" (1/1) ... [2023-12-03 03:18:42,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:18:42,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-12-03 03:18:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-12-03 03:18:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:18:42,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:42,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:42,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:18:42,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2023-12-03 03:18:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2023-12-03 03:18:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:18:42,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:42,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:42,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:18:42,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-12-03 03:18:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-03 03:18:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:18:42,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:42,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:42,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:18:42,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 68 transitions. [2023-12-03 03:18:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-12-03 03:18:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:18:43,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:43,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:43,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:18:43,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:43,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:43,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 70 transitions. [2023-12-03 03:18:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2023-12-03 03:18:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:18:43,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:43,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:43,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:18:43,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 72 transitions. [2023-12-03 03:18:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-12-03 03:18:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:18:43,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:43,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:43,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:18:43,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:43,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 79 transitions. [2023-12-03 03:18:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2023-12-03 03:18:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:18:43,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:43,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:43,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:18:43,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:44,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 88 transitions. [2023-12-03 03:18:44,227 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-12-03 03:18:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:18:44,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:44,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:44,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:18:44,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 90 transitions. [2023-12-03 03:18:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-12-03 03:18:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:18:44,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:44,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:44,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:18:44,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:44,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 93 transitions. [2023-12-03 03:18:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-12-03 03:18:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:44,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:44,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:44,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:18:44,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 104 transitions. [2023-12-03 03:18:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-12-03 03:18:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:45,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:45,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:45,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:18:45,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 100 states and 123 transitions. [2023-12-03 03:18:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2023-12-03 03:18:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:18:45,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:45,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:45,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:18:45,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 101 states and 124 transitions. [2023-12-03 03:18:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-12-03 03:18:45,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:18:45,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:45,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:18:45,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:18:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 114 states and 144 transitions. [2023-12-03 03:18:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 144 transitions. [2023-12-03 03:18:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:18:46,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:46,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:18:46,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:56,736 WARN L876 $PredicateComparison]: unable to prove that (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_1 Int)) (and (<= v_z_1 4294967295) (exists ((|v_ULTIMATE.start_main_~x~0#1_53| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_53| v_z_1))) (and (<= |v_ULTIMATE.start_main_~x~0#1_53| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_53| |c_ULTIMATE.start_main_~x~0#1|))))) (<= 1 v_z_1)))) is different from true [2023-12-03 03:18:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:20:13,113 WARN L293 SmtUtils]: Spent 14.96s on a formula simplification. DAG size of input: 23 DAG size of output: 18 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:20:54,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 03:20:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 115 states and 147 transitions. [2023-12-03 03:20:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2023-12-03 03:20:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:20:54,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:54,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:54,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:20:54,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:21:41,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 115 states and 146 transitions. [2023-12-03 03:21:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2023-12-03 03:21:41,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:21:41,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:41,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:41,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:21:41,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:22:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 118 states and 151 transitions. [2023-12-03 03:22:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 151 transitions. [2023-12-03 03:22:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:22:02,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:02,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:02,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:22:02,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:22:59,744 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:23:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 127 states and 168 transitions. [2023-12-03 03:23:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 168 transitions. [2023-12-03 03:23:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:23:04,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:04,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:23:04,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:23:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 131 states and 174 transitions. [2023-12-03 03:23:46,434 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 174 transitions. [2023-12-03 03:23:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:23:46,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:46,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:46,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:46,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:24:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 141 states and 192 transitions. [2023-12-03 03:24:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 192 transitions. [2023-12-03 03:24:33,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:24:33,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:33,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:33,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:24:33,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:24:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 140 states and 191 transitions. [2023-12-03 03:24:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 191 transitions. [2023-12-03 03:24:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:24:33,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:33,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:33,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:33,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:25:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 148 states and 208 transitions. [2023-12-03 03:25:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 208 transitions. [2023-12-03 03:25:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:25:26,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:26,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:26,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:25:26,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:27:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 152 states and 211 transitions. [2023-12-03 03:27:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 211 transitions. [2023-12-03 03:27:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:27:44,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:44,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:27:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:44,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:29:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 160 states and 224 transitions. [2023-12-03 03:29:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 224 transitions. [2023-12-03 03:29:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:29:29,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:29,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:29:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:29,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:29:29,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 168 states and 241 transitions. [2023-12-03 03:31:49,176 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 241 transitions. [2023-12-03 03:31:49,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:31:49,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:49,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:49,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:49,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:33:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 178 states and 258 transitions. [2023-12-03 03:33:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 258 transitions. [2023-12-03 03:33:15,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 03:33:15,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:15,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:15,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:33:15,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.