./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a7fa473b022aa2e23bff7f5f7b8857d51e8b48cb53169d649271e1a03b0ebc0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:01:58,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:01:58,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:01:58,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:01:58,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:01:58,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:01:58,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:01:58,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:01:58,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:01:58,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:01:58,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:01:58,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:01:58,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:01:58,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:01:58,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:01:58,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:01:58,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:01:58,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:01:58,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:01:58,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:01:58,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:01:58,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:01:58,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:01:58,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:01:58,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:01:58,960 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:01:58,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:01:58,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:01:58,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:01:58,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:01:58,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:01:58,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:01:58,963 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:01:58,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:01:58,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:01:58,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a7fa473b022aa2e23bff7f5f7b8857d51e8b48cb53169d649271e1a03b0ebc0 [2023-12-02 23:01:59,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:01:59,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:01:59,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:01:59,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:01:59,233 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:01:59,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c [2023-12-02 23:02:01,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:02:02,107 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:02:02,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c [2023-12-02 23:02:02,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/data/50a4b22f5/a0457f514254415a8b1dd46659493327/FLAG47e20aba9 [2023-12-02 23:02:02,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/data/50a4b22f5/a0457f514254415a8b1dd46659493327 [2023-12-02 23:02:02,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:02:02,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:02:02,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:02:02,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:02:02,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:02:02,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbb9466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02, skipping insertion in model container [2023-12-02 23:02:02,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:02:02,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:02:02,296 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:02:02,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:02:02,326 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:02:02,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02 WrapperNode [2023-12-02 23:02:02,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:02:02,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:02:02,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:02:02,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:02:02,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,363 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-12-02 23:02:02,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:02:02,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:02:02,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:02:02,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:02:02,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:02:02,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:02:02,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:02:02,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:02:02,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:02:02,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:02:02,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:02:02,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a609e3-e6f2-40b7-93fd-09c8d86cdb55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:02:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:02:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:02:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:02:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:02:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:02:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:02:02,515 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:02:02,517 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:02:02,928 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:02:02,961 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:02:02,961 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:02:02,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:02 BoogieIcfgContainer [2023-12-02 23:02:02,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:02:02,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:02:02,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:02:02,972 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:02:02,972 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:02" (1/1) ... [2023-12-02 23:02:02,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:02:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2023-12-02 23:02:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2023-12-02 23:02:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:02:03,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:03,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:03,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 137 states and 141 transitions. [2023-12-02 23:02:03,243 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2023-12-02 23:02:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:02:03,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:03,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 138 states and 142 transitions. [2023-12-02 23:02:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2023-12-02 23:02:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:02:03,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:03,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 143 states and 150 transitions. [2023-12-02 23:02:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2023-12-02 23:02:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:02:03,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:03,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:03,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:03,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 144 states and 151 transitions. [2023-12-02 23:02:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2023-12-02 23:02:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:02:03,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:03,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 145 states and 152 transitions. [2023-12-02 23:02:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 152 transitions. [2023-12-02 23:02:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:02:03,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:03,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 144 states and 151 transitions. [2023-12-02 23:02:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2023-12-02 23:02:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:02:03,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:03,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:03,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:03,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 152 states and 162 transitions. [2023-12-02 23:02:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2023-12-02 23:02:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:02:04,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:04,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:04,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2023-12-02 23:02:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2023-12-02 23:02:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:02:04,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:04,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:04,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:04,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:04,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:04,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 154 states and 165 transitions. [2023-12-02 23:02:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 165 transitions. [2023-12-02 23:02:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:02:04,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:04,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:02:04,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:04,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 153 states and 164 transitions. [2023-12-02 23:02:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 164 transitions. [2023-12-02 23:02:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:02:04,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:04,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:04,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:04,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 156 states and 167 transitions. [2023-12-02 23:02:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 167 transitions. [2023-12-02 23:02:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:02:04,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:04,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:04,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:04,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 163 states and 176 transitions. [2023-12-02 23:02:04,797 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 176 transitions. [2023-12-02 23:02:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:02:04,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:04,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:04,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:04,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 171 states and 186 transitions. [2023-12-02 23:02:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 186 transitions. [2023-12-02 23:02:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:02:05,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:05,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:05,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:05,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:05,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 174 states and 192 transitions. [2023-12-02 23:02:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 192 transitions. [2023-12-02 23:02:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:02:05,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:05,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:05,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:05,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 178 states and 198 transitions. [2023-12-02 23:02:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 198 transitions. [2023-12-02 23:02:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:02:06,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:06,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:02:06,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:06,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:06,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 177 states and 197 transitions. [2023-12-02 23:02:06,142 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 197 transitions. [2023-12-02 23:02:06,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:02:06,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:06,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:06,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:06,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 180 states and 200 transitions. [2023-12-02 23:02:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 200 transitions. [2023-12-02 23:02:06,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:02:06,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:06,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:06,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:06,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 181 states and 201 transitions. [2023-12-02 23:02:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 201 transitions. [2023-12-02 23:02:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:02:06,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:06,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:06,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 182 states and 202 transitions. [2023-12-02 23:02:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 202 transitions. [2023-12-02 23:02:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:02:06,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:06,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:06,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:02:06,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 190 states and 211 transitions. [2023-12-02 23:02:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 211 transitions. [2023-12-02 23:02:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:02:06,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:06,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:06,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:06,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 192 states and 214 transitions. [2023-12-02 23:02:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 214 transitions. [2023-12-02 23:02:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:02:07,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:07,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:07,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:02:07,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 191 states and 213 transitions. [2023-12-02 23:02:07,754 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 213 transitions. [2023-12-02 23:02:07,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:02:07,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:07,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:07,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:07,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 193 states and 215 transitions. [2023-12-02 23:02:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 215 transitions. [2023-12-02 23:02:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:02:08,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:08,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:08,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:02:08,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 197 states and 219 transitions. [2023-12-02 23:02:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2023-12-02 23:02:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:02:08,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:08,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:08,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:08,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 209 states and 232 transitions. [2023-12-02 23:02:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 232 transitions. [2023-12-02 23:02:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:02:08,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:08,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:08,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:08,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:08,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 213 states and 242 transitions. [2023-12-02 23:02:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 242 transitions. [2023-12-02 23:02:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:02:08,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:08,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:08,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:08,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 242 states and 278 transitions. [2023-12-02 23:02:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 278 transitions. [2023-12-02 23:02:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:02:09,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:09,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:09,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:09,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:09,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 243 states and 279 transitions. [2023-12-02 23:02:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 279 transitions. [2023-12-02 23:02:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:02:09,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:09,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:09,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 273 states and 316 transitions. [2023-12-02 23:02:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 316 transitions. [2023-12-02 23:02:10,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:02:10,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:10,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:10,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:02:10,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 272 states and 315 transitions. [2023-12-02 23:02:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 315 transitions. [2023-12-02 23:02:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:02:10,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:10,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:10,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:10,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 275 states and 321 transitions. [2023-12-02 23:02:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 321 transitions. [2023-12-02 23:02:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:02:11,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:11,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:11,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:11,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:11,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 277 states and 323 transitions. [2023-12-02 23:02:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 323 transitions. [2023-12-02 23:02:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:02:11,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:11,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:11,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:11,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:12,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 281 states and 330 transitions. [2023-12-02 23:02:12,124 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 330 transitions. [2023-12-02 23:02:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:02:12,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:12,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:12,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:02:12,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 285 states and 334 transitions. [2023-12-02 23:02:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 334 transitions. [2023-12-02 23:02:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:02:13,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:13,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:13,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:02:13,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:13,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 284 states and 333 transitions. [2023-12-02 23:02:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 333 transitions. [2023-12-02 23:02:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:02:13,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:13,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:13,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:13,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 285 states and 335 transitions. [2023-12-02 23:02:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 335 transitions. [2023-12-02 23:02:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:02:14,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:14,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:14,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:02:14,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 291 states and 343 transitions. [2023-12-02 23:02:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 343 transitions. [2023-12-02 23:02:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:02:15,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:15,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:15,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:15,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 292 states and 345 transitions. [2023-12-02 23:02:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 345 transitions. [2023-12-02 23:02:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:02:15,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:15,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:15,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:15,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 294 states and 347 transitions. [2023-12-02 23:02:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 347 transitions. [2023-12-02 23:02:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:02:16,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:16,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:16,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:16,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:02:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 302 states and 360 transitions. [2023-12-02 23:02:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 360 transitions. [2023-12-02 23:02:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:02:17,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:17,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:17,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:17,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 312 states and 374 transitions. [2023-12-02 23:02:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 374 transitions. [2023-12-02 23:02:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:02:18,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:18,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:18,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:18,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:02:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 321 states and 388 transitions. [2023-12-02 23:02:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 388 transitions. [2023-12-02 23:02:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:02:19,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:19,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:19,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 330 states and 404 transitions. [2023-12-02 23:02:40,968 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 404 transitions. [2023-12-02 23:02:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:02:40,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:40,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:40,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:02:40,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:02:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 329 states and 403 transitions. [2023-12-02 23:02:41,003 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 403 transitions. [2023-12-02 23:02:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:02:41,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:41,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:41,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:41,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:02:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 335 states and 411 transitions. [2023-12-02 23:02:47,273 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 411 transitions. [2023-12-02 23:02:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:02:47,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:47,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:47,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:02:47,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 374 states and 475 transitions. [2023-12-02 23:02:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 475 transitions. [2023-12-02 23:02:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:02:52,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:52,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:52,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:52,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:06:52,024 WARN L293 SmtUtils]: Spent 12.15s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:09:09,785 WARN L293 SmtUtils]: Spent 10.19s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:09:13,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:09:52,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:11:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 381 states and 486 transitions. [2023-12-02 23:11:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 486 transitions. [2023-12-02 23:11:10,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:11:10,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:10,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:10,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:11:10,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:36,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 395 states and 526 transitions. [2023-12-02 23:13:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 526 transitions. [2023-12-02 23:13:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:13:36,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:36,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:13:36,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:14:04,202 WARN L293 SmtUtils]: Spent 20.02s on a formula simplification. DAG size of input: 20 DAG size of output: 18 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:14:20,727 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:14:42,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:15:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 403 states and 540 transitions. [2023-12-02 23:15:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 540 transitions. [2023-12-02 23:15:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:15:07,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:07,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:07,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:07,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:15:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 402 states and 539 transitions. [2023-12-02 23:15:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 539 transitions. [2023-12-02 23:15:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:15:07,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:07,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:15:07,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 153 states and 197 transitions. [2023-12-02 23:15:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 197 transitions. [2023-12-02 23:15:33,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:15:33,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:33,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:33,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:15:33,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 154 states and 198 transitions. [2023-12-02 23:16:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 198 transitions. [2023-12-02 23:16:45,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:16:45,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:45,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:45,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:16:45,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 142 states and 182 transitions. [2023-12-02 23:16:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 182 transitions. [2023-12-02 23:16:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:16:59,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:59,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:59,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:16:59,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.