./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.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_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi --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 aa34b6970b46b2c3f1bda76d086482188f10831dd44cba913e5171769601c6f3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:48,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:48,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:09:48,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:48,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:48,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:48,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:48,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:48,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:48,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:48,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:48,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:48,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:48,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:48,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:48,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:48,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:48,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:48,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:48,803 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:48,803 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:48,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:48,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:48,804 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:48,805 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:48,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:48,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:48,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:48,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:48,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:48,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:48,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:48,810 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:48,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:48,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:48,810 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_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa34b6970b46b2c3f1bda76d086482188f10831dd44cba913e5171769601c6f3 [2023-11-24 23:09:49,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:49,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:49,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:49,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:49,239 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:49,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.c [2023-11-24 23:09:52,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:52,592 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:52,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.c [2023-11-24 23:09:52,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/data/104bddda9/0e6604a9d39d41d9ad292c3c61372328/FLAG8d09d3154 [2023-11-24 23:09:52,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/data/104bddda9/0e6604a9d39d41d9ad292c3c61372328 [2023-11-24 23:09:52,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:52,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:52,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:52,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:52,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:52,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794d0a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52, skipping insertion in model container [2023-11-24 23:09:52,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:52,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:52,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:52,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:52,982 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:52,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52 WrapperNode [2023-11-24 23:09:52,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:52,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:52,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:52,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:52,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,033 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-24 23:09:53,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:53,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:53,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:53,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:53,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:53,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:53,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:53,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:53,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:53,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:53,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:53,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:53,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfaf8511-b0fd-4ec8-8f38-a44bd329ade8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:09:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:09:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:09:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:09:53,215 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:53,217 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:53,909 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:53,968 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:53,969 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:09:53,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:53 BoogieIcfgContainer [2023-11-24 23:09:53,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:53,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:53,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:53,995 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:53,995 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:53" (1/1) ... [2023-11-24 23:09:54,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:54,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-24 23:09:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-24 23:09:54,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:54,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:54,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:54,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:09:54,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-24 23:09:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-24 23:09:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:54,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:54,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:54,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:09:54,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-24 23:09:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-24 23:09:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:09:55,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:55,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:55,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:55,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-24 23:09:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-24 23:09:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:09:55,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:55,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:55,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-24 23:09:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-24 23:09:55,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:09:55,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:55,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:56,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-24 23:09:56,314 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-24 23:09:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:09:56,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:56,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:56,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:56,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-24 23:09:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-24 23:09:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:57,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:57,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:57,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:57,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-24 23:09:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-24 23:09:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:57,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:57,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:58,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:58,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:09:59,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:59,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 168 states and 185 transitions. [2023-11-24 23:09:59,344 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 185 transitions. [2023-11-24 23:09:59,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:59,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:59,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:59,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:59,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 171 states and 190 transitions. [2023-11-24 23:10:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 190 transitions. [2023-11-24 23:10:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:10:00,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:00,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:00,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:10:00,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:01,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 175 states and 197 transitions. [2023-11-24 23:10:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 197 transitions. [2023-11-24 23:10:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:10:01,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:01,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:01,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:10:01,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:10:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 180 states and 206 transitions. [2023-11-24 23:10:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 206 transitions. [2023-11-24 23:10:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:10:02,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:02,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:02,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:10:02,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:10:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 186 states and 217 transitions. [2023-11-24 23:10:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 217 transitions. [2023-11-24 23:10:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:10:03,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:10:03,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 187 states and 218 transitions. [2023-11-24 23:10:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 218 transitions. [2023-11-24 23:10:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:10:03,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:04,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:10:04,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:10:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 199 states and 238 transitions. [2023-11-24 23:10:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2023-11-24 23:10:08,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:10:08,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:08,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:08,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:10:08,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:10:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 212 states and 259 transitions. [2023-11-24 23:10:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 259 transitions. [2023-11-24 23:10:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:10:14,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:14,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:14,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:10:14,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:10:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 227 states and 284 transitions. [2023-11-24 23:10:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2023-11-24 23:10:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:10:21,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:21,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:21,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:10:21,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:10:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:29,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 243 states and 311 transitions. [2023-11-24 23:10:29,235 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 311 transitions. [2023-11-24 23:10:29,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:10:29,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:29,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:10:29,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:10:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 260 states and 340 transitions. [2023-11-24 23:10:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 340 transitions. [2023-11-24 23:10:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:10:38,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:38,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:38,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:10:38,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.