./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:37,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:37,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:26:37,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:37,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:37,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:37,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:37,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:37,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:37,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:37,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:37,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:37,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:37,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:37,805 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:37,805 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:37,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:37,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:37,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:37,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:37,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:37,806 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:37,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:37,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 [2024-12-05 21:26:38,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:38,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:38,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:38,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:38,056 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:38,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2024-12-05 21:26:40,692 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/data/709e26f28/90f4c42fed1d41a2b65745b5b741c0eb/FLAGa5dcbf50f [2024-12-05 21:26:40,935 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:40,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2024-12-05 21:26:40,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/data/709e26f28/90f4c42fed1d41a2b65745b5b741c0eb/FLAGa5dcbf50f [2024-12-05 21:26:40,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/data/709e26f28/90f4c42fed1d41a2b65745b5b741c0eb [2024-12-05 21:26:40,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:40,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:40,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:40,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:40,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:40,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:40" (1/1) ... [2024-12-05 21:26:40,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fad740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:40, skipping insertion in model container [2024-12-05 21:26:40,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:40" (1/1) ... [2024-12-05 21:26:40,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:41,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c[458,471] [2024-12-05 21:26:41,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:41,147 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:41,157 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c[458,471] [2024-12-05 21:26:41,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:41,176 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:41,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41 WrapperNode [2024-12-05 21:26:41,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:41,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:41,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:41,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:41,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,205 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-12-05 21:26:41,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:41,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:41,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:41,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:41,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,216 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:41,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:41,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:41,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:41,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:41,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:41,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:41,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:26:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:26:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:26:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:26:41,341 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:41,343 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:26:41,458 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 21:26:41,458 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:26:41,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:26:41,480 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:26:41,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:41 BoogieIcfgContainer [2024-12-05 21:26:41,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:26:41,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:26:41,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:26:41,492 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:26:41,492 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:41" (1/1) ... [2024-12-05 21:26:41,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:26:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 21:26:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 21:26:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:26:41,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:41,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 21:26:41,699 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 21:26:41,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:26:41,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:41,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:41,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:26:41,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-05 21:26:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-05 21:26:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:26:41,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-05 21:26:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-05 21:26:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:26:42,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:42,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:42,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 21:26:42,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-12-05 21:26:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-12-05 21:26:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:26:42,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:42,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:42,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 21:26:42,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-12-05 21:26:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-05 21:26:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:26:42,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:42,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-05 21:26:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-05 21:26:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:26:43,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:43,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:26:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-05 21:26:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-05 21:26:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:26:43,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:43,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:43,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:26:43,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:26:45,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2024-12-05 21:26:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-12-05 21:26:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 21:26:45,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:45,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:45,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:26:45,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:26:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2024-12-05 21:26:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-12-05 21:26:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 21:26:45,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:45,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:26:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2024-12-05 21:26:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-12-05 21:26:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:26:46,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:46,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 21:26:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2024-12-05 21:26:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-12-05 21:26:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:26:46,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:46,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 21:26:46,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:26:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-12-05 21:26:48,658 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-12-05 21:26:48,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:26:48,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:48,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:48,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 21:26:48,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:48,832 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 21:26:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2024-12-05 21:26:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2024-12-05 21:26:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:26:49,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:49,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 21:26:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 66 states and 123 transitions. [2024-12-05 21:26:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2024-12-05 21:26:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 21:26:50,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:50,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 21:26:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2024-12-05 21:26:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2024-12-05 21:26:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 21:26:50,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:50,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:50,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 21:26:50,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 21:26:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2024-12-05 21:26:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2024-12-05 21:26:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 21:26:52,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:52,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:52,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 21:26:52,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 21:26:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 79 states and 151 transitions. [2024-12-05 21:26:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2024-12-05 21:26:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 21:26:53,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 21:26:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 83 states and 159 transitions. [2024-12-05 21:26:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 159 transitions. [2024-12-05 21:26:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 21:26:54,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:54,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-05 21:26:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2024-12-05 21:26:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2024-12-05 21:26:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 21:26:54,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:54,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 21:26:54,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 21:26:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 93 states and 181 transitions. [2024-12-05 21:26:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2024-12-05 21:26:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 21:26:57,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:57,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:57,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 21:26:57,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 21:26:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 96 states and 187 transitions. [2024-12-05 21:26:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 187 transitions. [2024-12-05 21:26:58,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 21:26:58,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:58,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 21:26:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2024-12-05 21:26:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2024-12-05 21:26:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 21:26:59,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:59,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-05 21:27:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 101 states and 197 transitions. [2024-12-05 21:27:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2024-12-05 21:27:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 21:27:00,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:00,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:00,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 21:27:00,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 21:27:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 110 states and 217 transitions. [2024-12-05 21:27:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 217 transitions. [2024-12-05 21:27:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 21:27:03,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 21:27:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 113 states and 223 transitions. [2024-12-05 21:27:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 223 transitions. [2024-12-05 21:27:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 21:27:04,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:04,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 21:27:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:06,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 117 states and 231 transitions. [2024-12-05 21:27:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 231 transitions. [2024-12-05 21:27:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 21:27:06,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:06,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-05 21:27:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 118 states and 233 transitions. [2024-12-05 21:27:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 233 transitions. [2024-12-05 21:27:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 21:27:06,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:06,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:06,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 21:27:06,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 21:27:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 127 states and 253 transitions. [2024-12-05 21:27:10,312 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions. [2024-12-05 21:27:10,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 21:27:10,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:10,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:10,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 21:27:10,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 21:27:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 130 states and 259 transitions. [2024-12-05 21:27:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 259 transitions. [2024-12-05 21:27:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 21:27:12,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:12,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 98 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 21:27:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 134 states and 267 transitions. [2024-12-05 21:27:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 267 transitions. [2024-12-05 21:27:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 21:27:14,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:14,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-12-05 21:27:15,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 269 transitions. [2024-12-05 21:27:15,206 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 269 transitions. [2024-12-05 21:27:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-05 21:27:15,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:15,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:15,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 21:27:15,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 21:27:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 144 states and 289 transitions. [2024-12-05 21:27:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 289 transitions. [2024-12-05 21:27:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 21:27:19,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:19,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:19,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-05 21:27:19,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 21:27:20,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 147 states and 295 transitions. [2024-12-05 21:27:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 295 transitions. [2024-12-05 21:27:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 21:27:20,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 128 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 21:27:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:23,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 151 states and 303 transitions. [2024-12-05 21:27:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 303 transitions. [2024-12-05 21:27:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 21:27:23,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:23,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-05 21:27:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 152 states and 305 transitions. [2024-12-05 21:27:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 305 transitions. [2024-12-05 21:27:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 21:27:23,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:23,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:24,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-05 21:27:24,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 21:27:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 161 states and 325 transitions. [2024-12-05 21:27:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 325 transitions. [2024-12-05 21:27:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 21:27:29,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:29,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:29,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 21:27:29,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 37 proven. 194 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-05 21:27:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 164 states and 331 transitions. [2024-12-05 21:27:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2024-12-05 21:27:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 21:27:30,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:30,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-05 21:27:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 168 states and 338 transitions. [2024-12-05 21:27:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 338 transitions. [2024-12-05 21:27:33,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-05 21:27:33,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:33,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-12-05 21:27:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 169 states and 340 transitions. [2024-12-05 21:27:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 340 transitions. [2024-12-05 21:27:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-05 21:27:34,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:34,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:34,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 21:27:34,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 19 proven. 208 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-05 21:27:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 178 states and 359 transitions. [2024-12-05 21:27:40,510 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 359 transitions. [2024-12-05 21:27:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-05 21:27:40,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:40,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 201 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 21:27:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 75 states and 126 transitions. [2024-12-05 21:27:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 126 transitions. [2024-12-05 21:27:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-05 21:27:58,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:58,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:58,298 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:27:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:58,359 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 42 iterations. [2024-12-05 21:27:58,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:27:58 ImpRootNode [2024-12-05 21:27:58,394 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:27:58,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:27:58,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:27:58,395 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:27:58,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:41" (3/4) ... [2024-12-05 21:27:58,397 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:27:58,461 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 54. [2024-12-05 21:27:58,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:27:58,540 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:27:58,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:27:58,541 INFO L158 Benchmark]: Toolchain (without parser) took 77579.13ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 117.6MB in the beginning and 307.0MB in the end (delta: -189.4MB). Peak memory consumption was 241.7MB. Max. memory is 16.1GB. [2024-12-05 21:27:58,541 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:58,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.43ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 106.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:27:58,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.73ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:58,542 INFO L158 Benchmark]: Boogie Preprocessor took 17.94ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.4MB in the end (delta: 794.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:58,543 INFO L158 Benchmark]: RCFGBuilder took 255.47ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 93.9MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:27:58,543 INFO L158 Benchmark]: CodeCheck took 76912.76ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 93.9MB in the beginning and 315.4MB in the end (delta: -221.4MB). Peak memory consumption was 208.1MB. Max. memory is 16.1GB. [2024-12-05 21:27:58,543 INFO L158 Benchmark]: Witness Printer took 145.65ms. Allocated memory is still 578.8MB. Free memory was 315.4MB in the beginning and 307.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:27:58,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.8s, OverallIterations: 42, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6205 SdHoareTripleChecker+Valid, 38.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4947 mSDsluCounter, 4913 SdHoareTripleChecker+Invalid, 33.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3723 mSDsCounter, 9839 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26681 IncrementalHoareTripleChecker+Invalid, 36520 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9839 mSolverCounterUnsat, 1190 mSDtfsCounter, 26681 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16860 GetRequests, 15670 SyntacticMatches, 444 SemanticMatches, 746 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286339 ImplicationChecksByTransitivity, 67.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 1980 NumberOfCodeBlocks, 1980 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1852 ConstructedInterpolants, 0 QuantifiedInterpolants, 5586 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2890 ConjunctsInSsa, 563 ConjunctsInUnsatCore, 41 InterpolantComputations, 4 PerfectInterpolantSequences, 3350/5413 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L23] y = 0 [L24] x = 0 [L25] c = 0 VAL [c=0, counter=0, k=12, x=0, y=0] [L27] EXPR counter++ VAL [c=0, counter=1, k=12, x=0, y=0] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=0, counter=1, k=12, x=0, y=0] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=1, counter=1, k=12, x=1, y=1] [L27] EXPR counter++ VAL [c=1, counter=2, k=12, x=1, y=1] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=1, counter=2, k=12, x=1, y=1] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=2, counter=2, k=12, x=9, y=2] [L27] EXPR counter++ VAL [c=2, counter=3, k=12, x=9, y=2] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=2, counter=3, k=12, x=9, y=2] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=3, counter=3, k=12, x=36, y=3] [L27] EXPR counter++ VAL [c=3, counter=4, k=12, x=36, y=3] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=3, counter=4, k=12, x=36, y=3] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=4, counter=4, k=12, x=100, y=4] [L27] EXPR counter++ VAL [c=4, counter=5, k=12, x=100, y=4] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=4, counter=5, k=12, x=100, y=4] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=5, counter=5, k=12, x=225, y=5] [L27] EXPR counter++ VAL [c=5, counter=6, k=12, x=225, y=5] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=6] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=5, counter=6, k=12, x=225, y=5] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=6, counter=6, k=12, x=441, y=6] [L27] EXPR counter++ VAL [c=6, counter=7, k=12, x=441, y=6] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=7] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=7] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=6, counter=7, k=12, x=441, y=6] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=7, counter=7, k=12, x=784, y=7] [L27] EXPR counter++ VAL [c=7, counter=8, k=12, x=784, y=7] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=8] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=8] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=7, counter=8, k=12, x=784, y=7] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=8, counter=8, k=12, x=1296, y=8] [L27] EXPR counter++ VAL [c=8, counter=9, k=12, x=1296, y=8] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=9] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=9] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=8, counter=9, k=12, x=1296, y=8] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=9, counter=9, k=12, x=2025, y=9] [L27] EXPR counter++ VAL [c=9, counter=10, k=12, x=2025, y=9] [L27] COND TRUE counter++<10 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=10] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=10] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=9, counter=10, k=12, x=2025, y=9] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=10, counter=10, k=12, x=3025, y=10] [L27] EXPR counter++ VAL [c=10, counter=11, k=12, x=3025, y=10] [L27] COND FALSE !(counter++<10) [L37] CALL __VERIFIER_assert(k*y - (y*y) == 0) VAL [\old(cond)=0, counter=11] [L10] COND TRUE !(cond) VAL [\old(cond)=0, counter=11] [L12] reach_error() VAL [\old(cond)=0, counter=11] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.43ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 106.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.73ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.94ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.4MB in the end (delta: 794.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.47ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 93.9MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 76912.76ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 93.9MB in the beginning and 315.4MB in the end (delta: -221.4MB). Peak memory consumption was 208.1MB. Max. memory is 16.1GB. * Witness Printer took 145.65ms. Allocated memory is still 578.8MB. Free memory was 315.4MB in the beginning and 307.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:27:58,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a31b31c-e8ea-438f-b1bc-113eb2fb1327/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE