./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.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_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3 --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 c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:12:34,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:12:34,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:12:34,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:12:34,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:12:34,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:12:34,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:12:34,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:12:34,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:12:34,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:12:34,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:12:34,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:12:34,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:12:34,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:12:34,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:12:34,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:12:34,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:12:34,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:12:34,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:12:34,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:12:34,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:12:34,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:12:34,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:12:34,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:12:34,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:12:34,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:12:34,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:12:34,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:12:34,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:12:34,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:12:34,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:12:34,389 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:12:34,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:12:34,389 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_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3 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 -> c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e [2024-11-24 18:12:34,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:12:34,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:12:34,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:12:34,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:12:34,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:12:34,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2024-11-24 18:12:37,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/data/a6cf5b520/65616c9343274cc6bcc7dc249e28659b/FLAGfac9578cd [2024-11-24 18:12:37,958 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:12:37,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2024-11-24 18:12:37,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/data/a6cf5b520/65616c9343274cc6bcc7dc249e28659b/FLAGfac9578cd [2024-11-24 18:12:37,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/data/a6cf5b520/65616c9343274cc6bcc7dc249e28659b [2024-11-24 18:12:38,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:12:38,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:12:38,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:12:38,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:12:38,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:12:38,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:12:37" (1/1) ... [2024-11-24 18:12:38,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53bd0573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38, skipping insertion in model container [2024-11-24 18:12:38,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:12:37" (1/1) ... [2024-11-24 18:12:38,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:12:38,218 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_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c[1263,1276] [2024-11-24 18:12:38,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:12:38,250 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:12:38,262 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_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c[1263,1276] [2024-11-24 18:12:38,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:12:38,288 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:12:38,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38 WrapperNode [2024-11-24 18:12:38,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:12:38,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:12:38,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:12:38,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:12:38,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,323 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-11-24 18:12:38,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:12:38,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:12:38,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:12:38,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:12:38,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,343 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:12:38,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:12:38,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:12:38,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:12:38,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:12:38,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:12:38,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:12:38,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2e58c2-1e6e-4ecf-b6a1-137ade09a1a3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:12:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:12:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:12:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:12:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:12:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:12:38,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:12:38,497 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:12:38,500 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:12:38,635 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-24 18:12:38,635 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:12:38,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:12:38,732 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:12:38,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:12:38 BoogieIcfgContainer [2024-11-24 18:12:38,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:12:38,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:12:38,733 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:12:38,745 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:12:38,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:12:38" (1/1) ... [2024-11-24 18:12:38,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:12:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:38,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-24 18:12:38,818 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-24 18:12:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:12:38,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:38,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:38,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:12:38,995 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:12:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:12:38,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:38,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:12:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:39,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:12:39,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-24 18:12:39,320 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-24 18:12:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:12:39,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:39,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-24 18:12:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-24 18:12:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:12:39,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:39,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-24 18:12:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-24 18:12:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 18:12:40,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:40,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:12:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:40,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 18:12:40,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2024-11-24 18:12:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2024-11-24 18:12:43,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 18:12:43,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:43,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2024-11-24 18:12:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-24 18:12:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:12:44,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:44,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:12:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:44,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 18:12:44,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:12:46,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-24 18:12:46,191 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-24 18:12:46,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:12:46,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:46,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:12:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:48,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-24 18:12:48,421 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-24 18:12:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:12:48,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:48,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:12:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2024-11-24 18:12:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2024-11-24 18:12:49,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:12:49,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:12:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:49,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-24 18:12:49,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:12:57,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:12:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 101 transitions. [2024-11-24 18:12:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2024-11-24 18:12:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:12:59,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:59,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:12:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:59,514 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:13:06,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2024-11-24 18:13:06,028 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2024-11-24 18:13:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:13:06,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:06,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:13:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:13:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 56 states and 119 transitions. [2024-11-24 18:13:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 119 transitions. [2024-11-24 18:13:17,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:13:17,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:17,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:13:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:13:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:17,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-24 18:13:17,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 18:13:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 60 states and 141 transitions. [2024-11-24 18:13:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 141 transitions. [2024-11-24 18:13:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:13:27,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:27,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:13:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:13:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 62 states and 144 transitions. [2024-11-24 18:13:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 144 transitions. [2024-11-24 18:13:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:13:29,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:13:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:13:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:33,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 64 states and 147 transitions. [2024-11-24 18:13:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 147 transitions. [2024-11-24 18:13:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:13:33,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:33,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:13:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:13:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:33,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-24 18:13:33,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:46,637 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:13:50,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:13:59,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 65 states and 149 transitions. [2024-11-24 18:13:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 149 transitions. [2024-11-24 18:13:59,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:13:59,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:13:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:14:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:00,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-24 18:14:00,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:16:13,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:16:19,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:16:29,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:16:35,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:16:40,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.88s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:16:50,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:16:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 70 states and 166 transitions. [2024-11-24 18:16:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 166 transitions. [2024-11-24 18:16:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:16:50,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:16:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:16:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:50,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 18:16:50,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-24 18:17:35,181 WARN L286 SmtUtils]: Spent 13.57s on a formula simplification. DAG size of input: 265 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:17:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 74 states and 187 transitions. [2024-11-24 18:17:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 187 transitions. [2024-11-24 18:17:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:17:53,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:53,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:19:14,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:20:17,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:21:32,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 77 states and 195 transitions. [2024-11-24 18:21:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 195 transitions. [2024-11-24 18:21:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:21:32,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:32,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:21:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:32,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 18:21:32,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-24 18:21:36,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-11-24 18:21:36,452 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-11-24 18:21:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:21:36,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:36,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:21:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 81 states and 199 transitions. [2024-11-24 18:21:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 199 transitions. [2024-11-24 18:21:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:21:45,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:22:07,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 82 states and 212 transitions. [2024-11-24 18:22:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 212 transitions. [2024-11-24 18:22:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:22:07,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:07,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:22:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 84 states and 215 transitions. [2024-11-24 18:22:16,870 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 215 transitions. [2024-11-24 18:22:16,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:22:16,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:16,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:22:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 86 states and 219 transitions. [2024-11-24 18:22:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 219 transitions. [2024-11-24 18:22:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:22:20,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:20,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:22:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 88 states and 223 transitions. [2024-11-24 18:22:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 223 transitions. [2024-11-24 18:22:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:22:24,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:24,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:22:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 90 states and 229 transitions. [2024-11-24 18:22:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 229 transitions. [2024-11-24 18:22:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:22:27,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:27,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-24 18:22:27,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-24 18:24:58,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.62s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:25:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 94 states and 242 transitions. [2024-11-24 18:25:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 242 transitions. [2024-11-24 18:25:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:25:08,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:25:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:25:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:09,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-24 18:25:09,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:25:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 95 states and 246 transitions. [2024-11-24 18:25:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 246 transitions. [2024-11-24 18:25:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-24 18:25:22,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:22,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:25:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:25:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:22,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-24 18:25:22,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:28,987 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-24 18:25:57,869 WARN L286 SmtUtils]: Spent 6.48s on a formula simplification. DAG size of input: 227 DAG size of output: 219 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:26:12,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:26:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 99 states and 264 transitions. [2024-11-24 18:26:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 264 transitions. [2024-11-24 18:26:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-24 18:26:49,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:26:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.